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Thomas Michael Bashore

Professor Emeritus of Medicine
Medicine, Cardiology
Duke Box 3012, Durham, NC 27710
7412 Hosp North, Durham, NC 27710

Selected Publications


Addressing the Menace of Enterococcal Endocarditis.

Journal Article J Am Coll Cardiol · February 11, 2020 Full text Open Access Link to item Cite

ACC/AATS/AHA/ASE/ASNC/HRS/SCAI/SCCT/SCMR/STS 2019 Appropriate Use Criteria for Multimodality Imaging in the Assessment of Cardiac Structure and Function in Nonvalvular Heart Disease : A Report of the American College of Cardiology Appropriate Use Criteria Task Force, American Association for Thoracic Surgery, American Heart Association, American Society of Echocardiography, American Society of Nuclear Cardiology, Heart Rhythm Society, Society for Cardiovascular Angiography and Interventions, Society of Cardiovascular Computed Tomography, Society for Cardiovascular Magnetic Resonance, and the Society of Thoracic Surgeons.

Journal Article J Nucl Cardiol · August 2019 This document is the second of 2 companion appropriate use criteria (AUC) documents developed by the American College of Cardiology, American Association for Thoracic Surgery, American Heart Association, American Society of Echocardiography, American Socie ... Full text Link to item Cite

ACC/AATS/AHA/ASE/ASNC/HRS/SCAI/SCCT/SCMR/STS 2019 Appropriate Use Criteria for Multimodality Imaging in the Assessment of Cardiac Structure and Function in Nonvalvular Heart Disease: A Report of the American College of Cardiology Appropriate Use Criteria Task Force, American Association for Thoracic Surgery, American Heart Association, American Society of Echocardiography, American Society of Nuclear Cardiology, Heart Rhythm Society, Society for Cardiovascular Angiography and Interventions, Society of Cardiovascular Computed Tomography, Society for Cardiovascular Magnetic Resonance, and the Society of Thoracic Surgeons.

Journal Article J Am Soc Echocardiogr · May 2019 This document is the second of 2 companion appropriate use criteria (AUC) documents developed by the American College of Cardiology, American Association for Thoracic Surgery, American Heart Association, American Society of Echocardiography, American Socie ... Full text Link to item Cite

Effect of Patent Foramen Ovale in Patients With Pulmonary Hypertension.

Journal Article Am J Cardiol · August 1, 2018 Septostomy reduces right ventricular (RV) workload at the expense of hypoxemia in patients with advanced pulmonary hypertension (PH). A patent foramen ovale (PFO) may serve as a "natural" septostomy, but the incidence and impact of a PFO in PH remains unce ... Full text Open Access Link to item Cite

ACC/AATS/AHA/ASE/ASNC/HRS/SCAI/SCCT/SCMR/STS 2017 Appropriate Use Criteria for Multimodality Imaging in Valvular Heart Disease: A Report of the American College of Cardiology Appropriate Use Criteria Task Force, American Association for Thoracic Surgery, American Heart Association, American Society of Echocardiography, American Society of Nuclear Cardiology, Heart Rhythm Society, Society for Cardiovascular Angiography and Interventions, Society of Cardiovascular Computed Tomography, Society for Cardiovascular Magnetic Resonance, and Society of Thoracic Surgeons.

Journal Article J Am Soc Echocardiogr · April 2018 This document is 1 of 2 companion appropriate use criteria (AUC) documents developed by the American College of Cardiology, American Association for Thoracic Surgery, American Heart Association, American Society of Echocardiography, American Society of Nuc ... Full text Link to item Cite

Isolated Tricuspid Valve Surgery.

Journal Article J Am Coll Cardiol · December 19, 2017 Full text Link to item Cite

ACC/AATS/AHA/ASE/ASNC/HRS/SCAI/SCCT/SCMR/STS 2017 Appropriate Use Criteria for Multimodality Imaging in Valvular Heart Disease : A Report of the American College of Cardiology Appropriate Use Criteria Task Force, American Association for Thoracic Surgery, American Heart Association, American Society of Echocardiography, American Society of Nuclear Cardiology, Heart Rhythm Society, Society for Cardiovascular Angiography and Interventions, Society of Cardiovascular Computed Tomography, Society for Cardiovascular Magnetic Resonance, and Society of Thoracic Surgeons.

Journal Article J Nucl Cardiol · December 2017 This document is 1 of 2 companion appropriate use criteria (AUC) documents developed by the American College of Cardiology, American Association for Thoracic Surgery, American Heart Association, American Society of Echocardiography, American Society of Nuc ... Full text Link to item Cite

Radiation safety

Chapter · September 11, 2017 In general, the effects of ionizing radiation have been a greater focus for radiologists than cardiologists. This chapter discusses the manner in which X-ray images are created to better understand the means by which a reduction in radiation dose may be ac ... Cite

Reply.

Journal Article AJNR Am J Neuroradiol · September 2017 Full text Link to item Cite

Health insurance and racial disparities in pulmonary hypertension outcomes.

Journal Article Am J Manag Care · August 2017 OBJECTIVES: Pulmonary hypertension portends a poorer prognosis for blacks versus white populations, but the underlying reasons are poorly understood. We investigated associations of disease characteristics, insurance status, and race with clinical outcomes ... Open Access Link to item Cite

Reply.

Other Clin Gastroenterol Hepatol · December 2016 Full text Link to item Cite

Temporal Trends in Disease Severity and Predicted Surgical Risk at the Time of Referral for Echocardiography in Patients Diagnosed with Aortic Stenosis.

Journal Article Crit Pathw Cardiol · September 2015 BACKGROUND: Calcific aortic stenosis (AS) is the most common underlying pathology in patients undergoing heart valve surgery, with an expected increasing prevalence among the aging population. METHODS AND RESULTS: We identified the temporal trends in refer ... Full text Link to item Cite

Impact of diabetes in patients with pulmonary hypertension.

Journal Article Pulm Circ · March 2015 Diabetes complicates management in a number of disease states and adversely impacts survival; how diabetes affects patients with pulmonary hypertension (PH) has not been well characterized. With insulin resistance having recently been demonstrated in PH, w ... Full text Open Access Link to item Cite

Predictors and progression of aortic stenosis in patients with preserved left ventricular ejection fraction.

Journal Article Am J Cardiol · January 1, 2015 We aimed to characterize the hemodynamic progression of aortic stenosis (AS) in a contemporary unselected cohort of patients with preserved left ventricular ejection fraction. Current guidelines recommend echocardiographic surveillance of hemodynamic progr ... Full text Link to item Cite

Addressing the Menace of Enterococcal Endocarditis.

Journal Article J Am Coll Cardiol · February 11, 2020 Full text Open Access Link to item Cite

ACC/AATS/AHA/ASE/ASNC/HRS/SCAI/SCCT/SCMR/STS 2019 Appropriate Use Criteria for Multimodality Imaging in the Assessment of Cardiac Structure and Function in Nonvalvular Heart Disease : A Report of the American College of Cardiology Appropriate Use Criteria Task Force, American Association for Thoracic Surgery, American Heart Association, American Society of Echocardiography, American Society of Nuclear Cardiology, Heart Rhythm Society, Society for Cardiovascular Angiography and Interventions, Society of Cardiovascular Computed Tomography, Society for Cardiovascular Magnetic Resonance, and the Society of Thoracic Surgeons.

Journal Article J Nucl Cardiol · August 2019 This document is the second of 2 companion appropriate use criteria (AUC) documents developed by the American College of Cardiology, American Association for Thoracic Surgery, American Heart Association, American Society of Echocardiography, American Socie ... Full text Link to item Cite

ACC/AATS/AHA/ASE/ASNC/HRS/SCAI/SCCT/SCMR/STS 2019 Appropriate Use Criteria for Multimodality Imaging in the Assessment of Cardiac Structure and Function in Nonvalvular Heart Disease: A Report of the American College of Cardiology Appropriate Use Criteria Task Force, American Association for Thoracic Surgery, American Heart Association, American Society of Echocardiography, American Society of Nuclear Cardiology, Heart Rhythm Society, Society for Cardiovascular Angiography and Interventions, Society of Cardiovascular Computed Tomography, Society for Cardiovascular Magnetic Resonance, and the Society of Thoracic Surgeons.

Journal Article J Am Soc Echocardiogr · May 2019 This document is the second of 2 companion appropriate use criteria (AUC) documents developed by the American College of Cardiology, American Association for Thoracic Surgery, American Heart Association, American Society of Echocardiography, American Socie ... Full text Link to item Cite

Effect of Patent Foramen Ovale in Patients With Pulmonary Hypertension.

Journal Article Am J Cardiol · August 1, 2018 Septostomy reduces right ventricular (RV) workload at the expense of hypoxemia in patients with advanced pulmonary hypertension (PH). A patent foramen ovale (PFO) may serve as a "natural" septostomy, but the incidence and impact of a PFO in PH remains unce ... Full text Open Access Link to item Cite

ACC/AATS/AHA/ASE/ASNC/HRS/SCAI/SCCT/SCMR/STS 2017 Appropriate Use Criteria for Multimodality Imaging in Valvular Heart Disease: A Report of the American College of Cardiology Appropriate Use Criteria Task Force, American Association for Thoracic Surgery, American Heart Association, American Society of Echocardiography, American Society of Nuclear Cardiology, Heart Rhythm Society, Society for Cardiovascular Angiography and Interventions, Society of Cardiovascular Computed Tomography, Society for Cardiovascular Magnetic Resonance, and Society of Thoracic Surgeons.

Journal Article J Am Soc Echocardiogr · April 2018 This document is 1 of 2 companion appropriate use criteria (AUC) documents developed by the American College of Cardiology, American Association for Thoracic Surgery, American Heart Association, American Society of Echocardiography, American Society of Nuc ... Full text Link to item Cite

Isolated Tricuspid Valve Surgery.

Journal Article J Am Coll Cardiol · December 19, 2017 Full text Link to item Cite

ACC/AATS/AHA/ASE/ASNC/HRS/SCAI/SCCT/SCMR/STS 2017 Appropriate Use Criteria for Multimodality Imaging in Valvular Heart Disease : A Report of the American College of Cardiology Appropriate Use Criteria Task Force, American Association for Thoracic Surgery, American Heart Association, American Society of Echocardiography, American Society of Nuclear Cardiology, Heart Rhythm Society, Society for Cardiovascular Angiography and Interventions, Society of Cardiovascular Computed Tomography, Society for Cardiovascular Magnetic Resonance, and Society of Thoracic Surgeons.

Journal Article J Nucl Cardiol · December 2017 This document is 1 of 2 companion appropriate use criteria (AUC) documents developed by the American College of Cardiology, American Association for Thoracic Surgery, American Heart Association, American Society of Echocardiography, American Society of Nuc ... Full text Link to item Cite

Radiation safety

Chapter · September 11, 2017 In general, the effects of ionizing radiation have been a greater focus for radiologists than cardiologists. This chapter discusses the manner in which X-ray images are created to better understand the means by which a reduction in radiation dose may be ac ... Cite

Reply.

Journal Article AJNR Am J Neuroradiol · September 2017 Full text Link to item Cite

Health insurance and racial disparities in pulmonary hypertension outcomes.

Journal Article Am J Manag Care · August 2017 OBJECTIVES: Pulmonary hypertension portends a poorer prognosis for blacks versus white populations, but the underlying reasons are poorly understood. We investigated associations of disease characteristics, insurance status, and race with clinical outcomes ... Open Access Link to item Cite

Reply.

Other Clin Gastroenterol Hepatol · December 2016 Full text Link to item Cite

Temporal Trends in Disease Severity and Predicted Surgical Risk at the Time of Referral for Echocardiography in Patients Diagnosed with Aortic Stenosis.

Journal Article Crit Pathw Cardiol · September 2015 BACKGROUND: Calcific aortic stenosis (AS) is the most common underlying pathology in patients undergoing heart valve surgery, with an expected increasing prevalence among the aging population. METHODS AND RESULTS: We identified the temporal trends in refer ... Full text Link to item Cite

Impact of diabetes in patients with pulmonary hypertension.

Journal Article Pulm Circ · March 2015 Diabetes complicates management in a number of disease states and adversely impacts survival; how diabetes affects patients with pulmonary hypertension (PH) has not been well characterized. With insulin resistance having recently been demonstrated in PH, w ... Full text Open Access Link to item Cite

Predictors and progression of aortic stenosis in patients with preserved left ventricular ejection fraction.

Journal Article Am J Cardiol · January 1, 2015 We aimed to characterize the hemodynamic progression of aortic stenosis (AS) in a contemporary unselected cohort of patients with preserved left ventricular ejection fraction. Current guidelines recommend echocardiographic surveillance of hemodynamic progr ... Full text Link to item Cite

Treatment of mechanical aortic valve thrombosis with heparin and eptifibatide.

Journal Article J Thromb Thrombolysis · July 2014 A 75-year old woman with a history of coronary disease status post 3-vessel coronary artery bypass grafting (CABG) 8 years ago and a repeat one-vessel CABG 2 years ago in the setting of aortic valve replacement with a #19 mm St. Jude bileaflet mechanical v ... Full text Link to item Cite

Radiation-associated valvular heart disease.

Journal Article J Heart Valve Dis · November 2013 Therapeutic ionizing radiation, such as that used in the treatment of Hodgkin's lymphoma, can cause cardiac valvular damage that may take several years to manifest as radiation-associated valvular heart disease. Treatment can be complicated by comorbid rad ... Link to item Cite

Conversation in cardiology: should FFR and IVUS be counted as PCI?

Journal Article Catheter Cardiovasc Interv · July 1, 2013 Full text Link to item Cite

Adult Congenital Heart Disease

Journal Article · October 3, 2012 Full text Cite

Infective endocarditis: a comprehensive overview.

Journal Article Rev Cardiovasc Med · 2012 Infective endocarditis (IE) is an infection of a heart valve or other cardiac structure at a site of endothelial damage. The definition has been also expanded to include infected cardiac devices. A variety of organ systems may be adversely affected in pati ... Full text Link to item Cite

Management of patients with bicuspid aortic valve disease.

Journal Article Curr Treat Options Cardiovasc Med · December 2011 Featured Publication Our approach to the management of the patient with a bicuspid aortic valve (BAV) takes several factors into consideration. First, is the dysfunction of the valve due to aortic stenosis (AS), aortic regurgitation (AR), or a combination of stenosis and regur ... Full text Link to item Cite

Association of anemia and long-term survival in patients with pulmonary hypertension.

Journal Article Int J Cardiol · August 4, 2011 BACKGROUND: Anemia is a marker of worsened clinical outcome in patients with heart failure from left ventricular dysfunction. Pulmonary hypertension often results in right ventricular dysfunction. Accordingly we sought to examine the association of hemoglo ... Full text Open Access Link to item Cite

Response to inhaled nitric oxide predicts survival in patients with pulmonary hypertension.

Journal Article J Card Fail · April 2011 Featured Publication OBJECTIVE: To examine the ability of vasodilator response to predict survival in a diverse cohort of patients with pulmonary hypertension (PH). PATIENTS & METHODS: A total of 214 consecutive treatment-naive patients referred for invasive PH evaluation were ... Full text Open Access Link to item Cite

Pulmonary hypertension related to left-sided cardiac pathology.

Journal Article Pulm Med · 2011 Featured Publication Pulmonary hypertension (PH) is the end result of a variety of diverse pathologic processes. The chronic elevation in pulmonary artery pressure often leads to right ventricular pressure overload and subsequent right ventricular failure. In patients with lef ... Full text Link to item Cite

Pulmonary hypertension and elevated transpulmonary gradient in patients with mitral stenosis.

Journal Article J Heart Valve Dis · November 2010 BACKGROUND AND AIM OF THE STUDY: Pulmonary hypertension frequently complicates mitral stenosis, with a subset of these patients exhibiting pressures well in excess of their mitral valve hemodynamics. The prevalence of this condition and its impact on clini ... Open Access Link to item Cite

Surprising finding of a primary pericardial mesothelioma.

Journal Article Int J Cardiovasc Imaging · August 2010 In this report, we describe a case of primary pericardial mesothelioma, which is an extremely rare tumor arising from mesothelial cells lining the pericardium and is associated with a dismal prognosis. ... Full text Link to item Cite

Ranolazine-related dyspnea on exertion.

Journal Article Am J Geriatr Pharmacother · February 2010 BACKGROUND: Ranolazine is increasingly being prescribed for the treatment of chronic stable angina. This report describes an adverse effect that may be related to ranolazine. CASE SUMMARY: A 77-year-old white man with chronic renal insufficiency was evalua ... Full text Link to item Cite

Impact of anemia in patients with pulmonary hypertension

Journal Article EUROPEAN HEART JOURNAL · September 1, 2009 Open Access Link to item Cite

Pure annular dilation as a cause of mitral regurgitation: a clinically distinct entity of female heart disease.

Journal Article J Heart Valve Dis · May 2009 BACKGROUND AND AIM OF THE STUDY: Pure annular dilation (PAD) is a recognized etiology of mitral regurgitation, yet few data exist to define the prognostic profile of this disorder relative to other etiologies, such as ischemia or myxomatous prolapse. METHO ... Link to item Cite

Infective Endocarditis

Chapter · January 1, 2009 Full text Cite

Medical therapy for rheumatic heart disease: is it time to be proactive rather than reactive?

Journal Article Indian Heart J · 2009 Rheumatic Heart Disease (RHD) is well known to be an active inflammatory process which develops progressive calcification and leaflet thickening over time. The potential for statin therapy in slowing the progression of valvular heart disease is still contr ... Link to item Cite

ACC/AHA 2008 Guidelines for the Management of Adults With Congenital Heart Disease

Journal Article Journal of the American College of Cardiology · December 2, 2008 Full text Cite

Response to Kuvin

Journal Article Circulation · July 29, 2008 Cite

Training cardiovascular specialists in imaging: a curriculum based on fundamental concepts required for multimodal imaging.

Journal Article Am Heart J · November 2007 BACKGROUND: Training cardiovascular (CV) imaging specialists is becoming increasingly complex owing to rapidly emerging technological advances and the growing recognition that single modality training is inefficient and results in suboptimal education and ... Full text Link to item Cite

Mobile cardiac catheterization laboratories increase use of cardiac care in women and African Americans.

Journal Article Am Heart J · September 2007 Featured Publication BACKGROUND: Women and minorities traditionally have shown less use of diagnostic cardiac catheterization. We sought to determine whether mobile cardiac catheterization laboratories may increase the use of catheterization among women and minorities by bring ... Full text Link to item Cite

Adult congenital heart disease: right ventricular outflow tract lesions.

Journal Article Circulation · April 10, 2007 Featured Publication Full text Link to item Cite

Best of the AHA Scientific Sessions 2005

Journal Article Reviews in Cardiovascular Medicine · December 1, 2006 Cite

Peripheral blood levels of matrix metalloproteinases in patients referred for percutaneous balloon mitral valve commissurotomy.

Journal Article J Heart Valve Dis · May 2006 BACKGROUND AND AIM OF THE STUDY: Inflammation may play a central role in the progression of stenotic valvular heart disease. Serum levels of matrix metalloproteinases (MMPs), markers of extracellular matrix (ECM) turnover and potential markers of active in ... Link to item Cite

Update on infective endocarditis.

Journal Article Curr Probl Cardiol · April 2006 Featured Publication With infective endocarditis afflicting 15,000 patients each year and with a mortality rate that still hovers at almost 40%, the disease remains a very serious health problem. Surprisingly, the incidence has not declined over the last 30 years, and now with ... Full text Link to item Cite

Unusual cardiomyopathies: ventricular noncompaction and takotsubo cardiomyopathy.

Journal Article Rev Cardiovasc Med · 2006 With improved imaging techniques, such as cardiac magnetic resonance imaging and computed tomography, 2 unusual cardiomyopathies have been added to the differential diagnosis of nonischemic dilated cardiomyopathies. Ventricular noncompaction (VNC) classica ... Link to item Cite

A nitric oxide processing defect of red blood cells created by hypoxia: deficiency of S-nitrosohemoglobin in pulmonary hypertension.

Journal Article Proc Natl Acad Sci U S A · October 11, 2005 Featured Publication The mechanism by which hypoxia [low partial pressure of O(2) (pO(2))] elicits signaling to regulate pulmonary arterial pressure is incompletely understood. We considered the possibility that, in addition to its effects on smooth muscle, hypoxia may influen ... Full text Link to item Cite

The response to inhaled nitric oxide in patients with pulmonary artery hypertension is not masked by baseline vasodilator use.

Journal Article Am Heart J · October 2005 BACKGROUND: Assessment of pulmonary vasodilator responsiveness is important in determining the prognosis and management of patients with pulmonary hypertension. Many patients, however, are already on vasodilators at the time of testing. It is unclear if th ... Full text Link to item Cite

The emerging role of percutaneous intervention in adults with congenital heart disease.

Journal Article Rev Cardiovasc Med · 2005 Featured Publication Adults with congenital heart disease (CHD) constitute a patient population that has grown rapidly, due to advances in diagnosis and treatment of children with CHD. Though ideally served by cardiologists with advanced training in congenital conditions, adul ... Link to item Cite

Undercover and overlooked [4] (multiple letters)

Journal Article New England Journal of Medicine · December 30, 2004 Cite

Clinical problem-solving. Undercover and overlooked.

Journal Article N Engl J Med · September 2, 2004 Full text Link to item Cite

Everything old is new again: transthoracic cardiac catheterization.

Journal Article Catheter Cardiovasc Interv · September 2004 Full text Link to item Cite

Native coronary disease progression exceeds failed revascularization as cause of angina after five years in the Bypass Angioplasty Revascularization Investigation (BARI).

Journal Article J Am Coll Cardiol · August 18, 2004 OBJECTIVES: Coronary angiograms obtained five years following revascularization were examined to assess the extent of compromise in myocardial perfusion due to failure of revascularization versus progression of native disease. BACKGROUND: The Bypass Angiop ... Full text Link to item Cite

Valvular disease.

Journal Article J Am Coll Cardiol · July 21, 2004 Full text Link to item Cite

Usefulness of percutaneous balloon mitral commissurotomy in preventing the development of atrial fibrillation in patients with mitral stenosis.

Journal Article Am J Cardiol · April 1, 2004 A prospective cohort of patients with mitral stenosis and no history of atrial arrhythmias showed no decrease in the incidence of atrial fibrillation (AF) after successful versus unsuccessful Inoue balloon percutaneous balloon mitral valve commissurotomy. ... Full text Link to item Cite

Radiation safety in the cardiac catheterization laboratory.

Journal Article Am Heart J · March 2004 Featured Publication Full text Link to item Cite

"It's hard to make predictions, especially about the future".

Journal Article Catheter Cardiovasc Interv · March 2004 Full text Link to item Cite

Five-year clinical and echocardiographic evaluation of the Das AngelWings atrial septal occluder.

Journal Article Am Heart J · February 2004 BACKGROUND: The late outcome of patients treated with atrial septal occluder devices remains incompletely defined. The purpose of this study was to assess the late outcome (range 4-7 years postprocedure) of patients in whom the Das AngelWings septal occlud ... Full text Link to item Cite

C-reactive protein elevation independently influences the procedural success of percutaneous balloon mitral valve commissurotomy.

Journal Article Am Heart J · December 2003 BACKGROUND: Markers of systemic inflammation including C-reactive protein (CRP) appear to predict morbidity and mortality in various clinical conditions. The presence of systemic inflammation and its impact on the procedural success of percutaneous balloon ... Full text Link to item Cite

Staphylococcus aureus pericardial abscess in a patient with liver cirrhosis: case report.

Journal Article South Med J · September 2003 Pericardial abscess is a rare complication of Staphylococcus aureus bacteremia. We report the case of a 40-year-old man with hepatitis C and liver cirrhosis who presented with high-grade fever and chest pain. Transthoracic echocardiography showed a pericar ... Full text Link to item Cite

Valvular heart disease.

Journal Article J Am Coll Cardiol · July 16, 2003 Featured Publication Full text Link to item Cite

Cholesterol emboli after invasive cardiac procedures.

Journal Article J Am Coll Cardiol · July 16, 2003 Featured Publication Full text Link to item Cite

Trained and supervised physician assistants can safely perform diagnostic cardiac catheterization with coronary angiography.

Journal Article Catheter Cardiovasc Interv · June 2003 Featured Publication Using a prospectively collected database of patients undergoing cardiac catheterization, we sought to compare the outcomes of procedures performed by supervised physician assistants (PAs) with those performed by supervised cardiology fellows-in-training. O ... Full text Link to item Cite

Quantitative regional wall motion analysis with early contrast ventriculography for the assessment of myocardium at risk in acute myocardial infarction.

Journal Article Am Heart J · June 2003 BACKGROUND: Several techniques have been used to quantify the myocardium at risk, including measurement of regional ventricular function with contrast ventriculography and measurement of perfusion defect size with tomographic technetium-99m-sestamibi imagi ... Full text Link to item Cite

Mechanical ventricular support lowers pulmonary vascular resistance in a patient with congential heart disease.

Journal Article Ann Thorac Surg · March 2003 Severely elevated pulmonary vascular resistance (PVR) is a relative contraindication to orthotopic heart transplantation. A potential novel strategy to reverse elevated PVR may be implantation of a chronic left ventricular assist device with subsequent lef ... Full text Link to item Cite

Correlations between preprocedure mood and clinical outcome in patients undergoing coronary angioplasty.

Journal Article Cardiol Rev · 2003 We studied the relationship between mood and mood shift immediately before percutaneous coronary intervention (PCI) and 3 end points: total ischemic burden during PCI, adverse cardiac end points (ACE) after PCI, and death by 6-month follow up. Patients (n ... Full text Link to item Cite

Serial echocardiographic evaluation of restenosis after successful percutaneous mitral commissurotomy.

Journal Article J Am Coll Cardiol · January 16, 2002 Featured Publication OBJECTIVES: This study was designed to determine predictors of restenosis after successful percutaneous mitral commissurotomy (PMC) and its relationship to late clinical outcome. BACKGROUND: The restenosis rate after PMC and its relationship to late clinic ... Full text Link to item Cite

Integrative noetic therapies as adjuncts to percutaneous intervention during unstable coronary syndromes: Monitoring and Actualization of Noetic Training (MANTRA) feasibility pilot.

Journal Article Am Heart J · November 2001 BACKGROUND: Patients undergoing percutaneous coronary intervention (PCI) for unstable coronary syndromes have substantial emotional and spiritual distress that may promote procedural complications. Noetic (nonpharmacologic) therapies may reduce anxiety, pa ... Full text Link to item Cite

Comparison of results of percutaneous balloon mitral commissurotomy in patients aged > or = 65 years with those in patients aged < 65 years.

Journal Article Am J Cardiol · November 1, 2001 Percutaneous balloon mitral commissurotomy (PBMC) is now first-line therapy in patients with symptomatic mitral stenosis (MS) and favorable valve morphology. Unfortunately, the outcome of Medicare-aged patients undergoing this procedure has not previously ... Full text Link to item Cite

Fundamentals of X-ray imaging and radiation safety.

Journal Article Catheter Cardiovasc Interv · September 2001 A basic understanding of the means by which images are acquired and processed in the cardiac catheterization laboratory should be a fundamental part of every cardiology training program. This review outlines the entire X-ray system step-by-step by followin ... Full text Link to item Cite

Acute myocardial infarction in a young female.

Journal Article J Invasive Cardiol · August 2001 Link to item Cite

Correlation between quantitative left atrial spontaneous echocardiographic contrast and intact fibrinogen levels in mitral stenosis.

Journal Article J Am Soc Echocardiogr · April 2001 An association between left atrial spontaneous echocardiographic contrast (LASEC) and thromboembolic events has been recognized. However, the appearance of LASEC and the assessment of its intensity are gain dependent. To evaluate the relation between LASEC ... Full text Link to item Cite

Biosensibility of viability: NOGA or no good?

Journal Article Catheter Cardiovasc Interv · March 2001 Full text Link to item Cite

Inhaled nitric oxide selectively dilates pulmonary vasculature in adult patients with pulmonary hypertension, irrespective of etiology.

Journal Article J Am Coll Cardiol · December 2000 Featured Publication OBJECTIVES: We sought to compare the responses of patients with pulmonary hypertension from primary and secondary causes (PPH and SPH, respectively) to inhaled nitric oxide (iNO) in the cardiac catheterization laboratory. BACKGROUND: Pulmonary hypertension ... Full text Link to item Cite

Cardiac rhabdomyoma in an adult patient presenting with ventricular arrhythmia.

Journal Article Chest · October 2000 Cardiac rhabdomyomas are extremely uncommon in the adult patient. We describe a previously healthy man who presented with ventricular arrhythmias resulting from a right ventricular, cardiac rhabdomyoma. Echocardiography, CT scanning, and MRI are recognized ... Full text Link to item Cite

Exacerbation of radiocontrast nephrotoxicity by endothelin receptor antagonism.

Journal Article Kidney Int · April 2000 Featured Publication BACKGROUND: Endothelin is a potent vasoconstrictor that has been implicated in the pathogenesis of radiocontrast nephrotoxicity. Endothelin antagonists may reduce the renal hemodynamic abnormalities following radiocontrast administration. METHODS: One hund ... Full text Link to item Cite

American College of Cardiology/European Society of Cardiology International Study of Angiographic Data Compression Phase I: The effect of lossy data compression on recognition of diagnostic features in digital coronary angiography.

Journal Article J Am Coll Cardiol · April 2000 Featured Publication OBJECTIVES: This study intended to determine the effect of varying degrees of lossy Joint Photographic Experts Group (JPEG) compression on detection of coronary angiographic features. BACKGROUND: Compression of digital coronary angiograms facilitates playb ... Full text Link to item Cite

American College of Cardiology/ European Society of Cardiology international study of angiographic data compression phase I. The effects of lossy data compression on recognition of diagnostic features in digital coronary angiography.

Journal Article Eur Heart J · April 2000 OBJECTIVES: This study intended to determine the effect of varying degrees of lossy Joint Photographic Experts Group (JPEG) compression on detection of coronary angiographic features. Background Compression of digital coronary angiograms facilitates playba ... Full text Link to item Cite

Proposed modifications to the Duke criteria for the diagnosis of infective endocarditis.

Journal Article Clin Infect Dis · April 2000 Although the sensitivity and specificity of the Duke criteria for the diagnosis of infective endocarditis (IE) have been validated by investigators from Europe and the United States, several shortcomings of this schema remain. The Duke IE database contains ... Full text Link to item Cite

The cost of doing business in a digital age.

Journal Article Catheter Cardiovasc Interv · March 2000 Full text Link to item Cite

Effect of variability in the interpretation of coronary angiograms on the appropriateness of use of coronary revascularization procedures.

Journal Article Am Heart J · January 2000 BACKGROUND: Evidence from numerous studies of coronary angiography show differences between observers' assessments of 15% to 45%. The implication of this variation is serious: If readings are erroneous, some patients will undergo revascularization procedur ... Full text Link to item Cite

Editorial comment: What evidence?

Journal Article ACC Current Journal Review · January 1, 2000 Full text Cite

Relationship of extent of revascularization with angina at one year in the Bypass Angioplasty Revascularization Investigation (BARI).

Journal Article J Am Coll Cardiol · November 15, 1999 Featured Publication OBJECTIVES: To determine the relative degree of revascularization obtained with bypass surgery versus angioplasty in a randomized trial of patients with multivessel disease requiring revascularization (Bypass Angioplasty Revascularization Investigation [BA ... Full text Link to item Cite

Assessing the severity of mitral stenosis: variability between noninvasive and invasive measurements in patients with symptomatic mitral valve stenosis.

Journal Article Am Heart J · October 1999 BACKGROUND: This study evaluated the correlation and variability between noninvasive and invasive measures of mitral stenosis severity before and after balloon mitral commissurotomy (BMC) in a large group of patients with symptomatic mitral stenosis. Facto ... Full text Link to item Cite

Mortality and need for reoperation in patients with mild-to-moderate asymptomatic aortic valve disease undergoing coronary artery bypass graft alone.

Journal Article Am Heart J · October 1999 BACKGROUND: Patients presenting for coronary artery bypass graft (CABG) surgery may have concurrent asymptomatic aortic stenosis (AS) or aortic insufficiency (AI). This retrospective study was performed to evaluate outcomes in patients with aortic valve di ... Full text Link to item Cite

Angiography at reduced frame rates: how low can you go?

Journal Article Catheter Cardiovasc Interv · September 1999 Full text Link to item Cite

Long-term outcome after biologic versus mechanical aortic valve replacement in 841 patients.

Journal Article J Thorac Cardiovasc Surg · May 1999 OBJECTIVE: The purpose of this study was to optimize selection criteria of biologic versus mechanical valve prostheses for aortic valve replacement. METHODS: Retrospective analysis was performed for 841 patients undergoing isolated, first-time aortic valve ... Full text Link to item Cite

Hypoxemia after prior cardiac surgery due to interatrial shunting and its treatment with a novel transcatheter occlusion device.

Journal Article Catheter Cardiovasc Interv · April 1999 We describe two unusual cases of hypoxemia after cardiac surgery due to intracardiac right-to-left shunting through a patent foramen ovale or atrial septal defect. The interatrial defects were successfully occluded by placement of a novel, transcather devi ... Full text Link to item Cite

Predictors and significance of atrial rhythm before and six months after percutaneous balloon mitral commissurotomy.

Journal Article Am J Cardiol · January 1, 1999 Clinical, echocardiographic, and cardiac catheterization data were evaluated in 263 patients with mitral stenosis who were undergoing balloon commissurotomy to determine the predictors of atrial rhythm and its effect on functional status. Conversion from a ... Full text Link to item Cite

What does the left atrial v wave signify during balloon commissurotomy of mitral stenosis?

Journal Article Am J Cardiol · December 1, 1998 Left atrial v-wave amplitude has been associated with the presence and severity of chronic mitral regurgitation (MR) but it has not been evaluated for the detection of acute MR. We evaluated the left atrial v-wave amplitude of 205 consecutive patients with ... Full text Link to item Cite

Determinants of 15-year outcome with 1,119 standard Carpentier-Edwards porcine valves.

Journal Article Ann Thorac Surg · December 1998 BACKGROUND: The determinants of long-term outcome 15 years or more after porcine valve replacement are poorly documented. METHODS: A retrospective review was performed of patients undergoing valve replacement with standard Carpentier-Edwards aortic (n = 53 ... Full text Link to item Cite

Comparison of open mitral commissurotomy with mitral valve replacement with or without chordal preservation in patients with mitral stenosis.

Journal Article Circulation · November 10, 1998 BACKGROUND: Percutaneous balloon mitral valvuloplasty and durable mitral prostheses have made the role of open mitral commissurotomy (OMC) uncertain. METHODS AND RESULTS: Results from the use of St Jude mitral valve replacement (SJMVR) were compared with t ... Link to item Cite

Comparison of open mitral commissurotomy with mitral valve replacement with or without chordal preservation in patients with mitral stenosis

Journal Article Circulation · November 10, 1998 Background - Percutaneous balloon mitral valvuloplasty and durable mitral prostheses have made the role of open mitral commissurotomy (OMC) uncertain. Methods and Results - Results from the use of St Jude mitral valve replacement (SJMVR) were compared with ... Cite

Doppler pressure half-time method of assessing mitral valve area: aortic insufficiency does not adversely affect validity.

Journal Article Am Heart J · October 1998 OBJECTIVES: This study evaluated the effect of aortic insufficiency on the correlation of pressure half-time-derived mitral valve area with each of 2 standards for mitral valve area (planimetry and cardiac catheterization) in a prospectively assembled coho ... Full text Link to item Cite

The Ross procedure: shorter hospital stay, decreased morbidity, and cost effective.

Journal Article Ann Thorac Surg · June 1998 BACKGROUND: The Ross procedure has become an accepted and sometimes preferred alternative to mechanical aortic valve replacement. One criticism of the Ross procedure is that it may have a higher operative mortality, morbidity, and cost. Several groups have ... Full text Link to item Cite

Survival in renal vascular disease.

Journal Article J Am Soc Nephrol · February 1998 Renal artery stenosis (RAS) is a relatively uncommon but important potentially reversible cause of renal failure. Little is known about the natural history of ischemic renal disease secondary to RAS. In previous reports, these researchers examined the inci ... Full text Link to item Cite

Massive pulmonary edema and death after prostacyclin infusion in a patient with pulmonary veno-occlusive disease.

Journal Article Chest · January 1998 Pulmonary veno-occlusive disease (PVOD) is a rare form of pulmonary hypertension associated with fibrotic occlusion of the smaller pulmonary veins. Although vasodilator therapy is effective in many patients with primary pulmonary hypertension, the role of ... Full text Link to item Cite

Percutaneous stenting of superior vena cava syndrome: a case report and review of the literature.

Journal Article Am J Med · January 1998 Superior vena cava syndrome (SVCS) is a distressing manifestation of benign or malignant disease obstructing return of blood flow through the superior vena cava (SVC). Treatment, often centering around management of the underlying illness, may be slow in r ... Full text Link to item Cite

Simultaneous biplane coronary and pulmonary arteriography: a novel technique for defining the course of an anomalous left main coronary artery originating from the right sinus of Valsalva.

Journal Article Cathet Cardiovasc Diagn · September 1997 We present a novel technique employing biplane cineangiography with simultaneous left coronary and pulmonary angiography to define the anomalous course of the left main coronary artery when it originates from the right sinus of Valsalva. These biplane cine ... Full text Link to item Cite

Lossy (15:1) JPEG compression of digital coronary angiograms does not limit detection of subtle morphological features.

Journal Article Circulation · August 19, 1997 BACKGROUND: Development of the "all-digital" cardiac catheterization laboratory has been slowed by substantial computer archival and transfer requirements. Lossy data compression reduces this burden but creates irreversible changes in images, potentially i ... Full text Link to item Cite

Role of right ventricular and pulmonary functional abnormalities in limiting exercise capacity in adults with congenital heart disease.

Journal Article Am J Cardiol · August 1, 1997 This study evaluates right ventricular (RV) and pulmonary function during exercise in adults with congenital heart disease (CHD). Thirty-one patients with CHD involving the right side of the heart underwent symptom-limited bicycle exercise testing with sim ... Full text Link to item Cite

Effect of inadequate cardiac output reserve on exercise tolerance in patients with moderate mitral stenosis.

Journal Article Am J Cardiol · July 15, 1997 Twenty-nine patients with moderate mitral stenosis and 29 age-matched normal controls underwent symptom-limited upright bicycle exercise testing with simultaneous hemodynamic monitoring. Exercise tolerance in the mitral stenosis group was found to be limit ... Full text Link to item Cite

Balloon aortic valvuloplasty.

Journal Article Prog Cardiovasc Dis · 1997 Balloon aortic valvuloplasty is a percutaneous, therapeutic option for patients with severe aortic stenosis, yet the effectiveness of this procedure is dependent on the morphology of the stenotic aortic valve and the respective mechanism of dilation. In yo ... Full text Link to item Cite

Managing clinically insignificant aortic valve disease in patients undergoing CABG

Journal Article ACC Current Journal Review · January 1, 1997 The studies that have addressed combined CABG and AVR in those with significant coronary artery disease and asymptomatic aortic valve disease offer important insight into the management of this subset of patients. From the information available, we can con ... Full text Cite

Balloon aortic valvuloplasty: Failure to improve long-term survival for the elderly

Journal Article Cardiology Review · December 1, 1996 In this study of 165 elderly patients with severe symptomatic aortic valve stenosis treated with balloon valvuloplasty, long-term event-free and actuarial survival was poor regardless of symptoms at presentation and resembled the natural history of untreat ... Cite

Esophageal varices in association with unilateral pulmonary vein atresia.

Journal Article Cathet Cardiovasc Diagn · August 1996 A 27-yr-old woman with recurrent episodes of hemoptysis (and hematemesis due to esophageal varices) was found to have unilateral pulmonary vein atresia. Reversed flow in the left pulmonary artery, a finding highly suggestive of this rare congenital anomaly ... Full text Link to item Cite

Compression of digital coronary angiograms does not affect visual or quantitative assessment of coronary artery stenosis severity.

Journal Article Am J Cardiol · July 15, 1996 Digital coronary angiographic techniques are now widely used in many cardiac catheterization laboratories. However, the full potential of digital imaging technology remains to be achieved because of its enormous storage and exchange requirements. Compressi ... Full text Link to item Cite

Late conduit occlusion after modified Fontan procedure with classic Glenn shunt.

Journal Article Ann Thorac Surg · July 1996 A number of patients with complex congenital heart disease who were initially palliated with a classic Glenn shunt subsequently underwent modified Fontan procedures. This report discusses the operative management of complete occlusion of right atrial-to-ri ... Full text Link to item Cite

Total pulmonary artery occlusion immediately after lung transplantation: successful revascularization with intravascular stents.

Journal Article J Heart Lung Transplant · May 1996 Occlusion of the pulmonary artery anastomosis is an uncommon early complication of lung transplantation which necessitates emergency surgical revision. Percutaneous correction of such a complication has not been previously reported. We report a patient who ... Link to item Cite

Negative predictive value of the Duke criteria for infective endocarditis.

Journal Article Am J Cardiol · February 15, 1996 With use of new Duke criteria, 405 episodes of suspected endocarditis were previously classified as "definite," "possible," or "rejected" endocarditis. To determine the negative predictive value of the Duke clinical criteria for the classification of suspe ... Full text Link to item Cite

Multimodality cardiac image review station using dynamic decompression of JPEG images

Journal Article Proceedings of SPIE - The International Society for Optical Engineering · December 1, 1995 A cardiology review station for clinical use has been developed which can decompress, zoom, and display full resolution JPEG- encoded cardiac angiograms and echocardiograms in real-time (30 frames/second). The review station is installed in a network which ... Cite

Balloon aortic valvuloplasty in adults: failure of procedure to improve long-term survival.

Journal Article J Am Coll Cardiol · November 15, 1995 OBJECTIVES: This study sought to determine the long-term outcome of adult patients undergoing percutaneous balloon aortic valvuloplasty. BACKGROUND: Percutaneous balloon aortic valvuloplasty has been offered as an alternative to aortic valve replacement fo ... Full text Link to item Cite

Left ventricular performance improves late after aortic valve replacement in patients with aortic stenosis and reduced ejection fraction.

Journal Article Am J Cardiol · September 15, 1995 Featured Publication EF in patients with aortic stenosis and reduced EF who underwent aortic valve replacement did not improve by 1 week postoperatively despite rectification of afterload mismatch. By 6 months, however, EF significantly improved without any further change in v ... Full text Link to item Cite

Carcinoid heart disease. Correlation of high serotonin levels with valvular abnormalities detected by cardiac catheterization and echocardiography.

Journal Article Circulation · August 15, 1995 Featured Publication BACKGROUND: Although serotonin has been postulated as an etiologic agent in the development of carcinoid heart disease, no direct evidence for different ambient serotonin levels in cardiac and noncardiac patients has been reported to date. METHODS AND RESU ... Full text Link to item Cite

Does hypotension during dobutamine stress echocardiography correlate with anatomic or functional cardiac impairment?

Journal Article Am Heart J · June 1995 The development of hypotension during various exercise stress tests has been correlated with the presence of multivessel coronary artery disease and impaired left ventricular contractility. Hypotension may also occur during dobutamine stress echocardiograp ... Full text Link to item Cite

The forgotten chamber: the importance of the right ventricle.

Journal Article Cathet Cardiovasc Diagn · May 1995 Historically, the right heart was viewed as less important than the left heart in the maintenance of normal overall hemodynamic performance. However, there is now considerable evidence that emphasizes the significance of intact right ventricular (RV) funct ... Full text Link to item Cite

Predictors of outcome of tricuspid valve replacement in carcinoid heart disease.

Journal Article Am J Cardiol · March 1, 1995 The cardiac valvular surgical experience of patients in the Duke Carcinoid Database was reviewed to assess operative outcome. Of the 604 patients in the database, 19 patients with carcinoid heart disease were identified by cardiac catheterization or echoca ... Full text Link to item Cite

Severe mitral incompetence following balloon mitral valvuloplasty: complete resolution during follow-up.

Journal Article Cathet Cardiovasc Diagn · March 1995 Mitral incompetence (MR) is a complication of balloon mitral valvuloplasty. There are few reports of long-term outcome. We believe this is the first report in the literature of complete resolution during follow-up of severe mitral regurgitation resulting f ... Full text Link to item Cite

Application of quantitative coronary angiography in a cineless environment: in vivo assessment of a fully automated system for clinical use.

Journal Article Am Heart J · February 1995 The accuracy and precision of a fully automated quantitative coronary angiography (QCA) algorithm for use in a cineless environment were determined in phantom studies and in an in vivo canine preparation. Imaging studies of 118 coronary segments in six ane ... Full text Link to item Cite

Spontaneous resolution of percutaneous balloon mitral commissurotomy‐related mitral regurgitation

Journal Article Catheterization and Cardiovascular Diagnosis · January 1, 1995 Full text Cite

Ballooning between a rock and a hard place.

Journal Article Cathet Cardiovasc Diagn · January 1995 Full text Link to item Cite

Transesophageal echocardiographic assessment of reversal of systolic pulmonary venous flow in mitral stenosis.

Journal Article Am J Cardiol · January 1, 1995 Transesophageal echocardiography and diagnostic cardiac catheterization were performed in 36 patients with symptomatic mitral stenosis to assess the incidence and significance of systolic flow reversal in the pulmonary veins. Mitral regurgitation was grade ... Full text Link to item Cite

Partial and transient relief of conduit obstruction by low-pressure balloon dilation in patients with congenital heart disease.

Journal Article Cathet Cardiovasc Diagn · January 1995 Seven patients underwent attempted low pressure balloon dilation of stenotic conduits or homografts from right ventricle to pulmonary artery (n = 5), in the aortic valve position (n = 1), or from right atrium to left pulmonary artery (n = 1). In the right ... Full text Link to item Cite

Aortic valve replacement in adults after balloon aortic valvuloplasty

Journal Article Circulation · November 1, 1994 Background: Percutaneous balloon aortic valvuloplasty is limited by a high risk of procedural morbidity, transient clinical benefit, and a high restenosis rate. The management of patients with symptomatic aortic valve restenosis after percutaneous balloon ... Cite

Value of transthoracic echocardiography in predicting embolic events in active infective endocarditis. Duke Endocarditis Service.

Journal Article Am J Cardiol · October 15, 1994 The purpose of this study was twofold: (1) to determine interobserver variability of echocardiographic characteristics of vegetations in patients with infective endocarditis, and (2) to assess the value of these vegetation characteristics in predicting emb ... Full text Link to item Cite

Which media are most likely to solve the archival problem?

Journal Article Int J Card Imaging · September 1994 The clinical application of quantitative methods for coronary arteriography remains limited, due in large part to the absence of a suitable replacement for cinefilm as the procedure record. The extension to the clinical environment of the validated objecti ... Full text Link to item Cite

Relief of superior vena cava syndrome due to fibrosing mediastinitis using the Palmaz stent.

Journal Article Chest · July 1994 Relief of superior vena cava (SVC) syndrome due to non-neoplastic mediastinal disease presents a formidable challenge. Long-term patency of surgically created bypass grafts has been poor, and the morbidity associated with these procedures is substantial. W ... Full text Link to item Cite

Adult patients with congenital heart disease.

Journal Article N C Med J · April 1994 Adult patients with congenital heart disease present complex problems that require individualized management. Unfortunately, few physicians who care for adults with congenital heart disease have received adequate specific training to deal with their proble ... Link to item Cite

New criteria for diagnosis of infective endocarditis: utilization of specific echocardiographic findings. Duke Endocarditis Service.

Journal Article Am J Med · March 1994 PURPOSE: This study was designed to develop improved criteria for the diagnosis of infective endocarditis and to compare these criteria with currently accepted criteria in a large series of cases. PATIENTS AND METHODS: A total of 405 consecutive cases of s ... Full text Link to item Cite

Three-year outcome after balloon aortic valvuloplasty. Insights into prognosis of valvular aortic stenosis.

Journal Article Circulation · February 1994 BACKGROUND: To identify predictors of long-term outcome after balloon aortic valvuloplasty, we analyzed data on 674 adults (mean age, 78 +/- 9 years; 56% were women) undergoing this procedure at 24 clinical centers who had a mean initial increase in aortic ... Full text Link to item Cite

Complications related to percutaneous transvenous mitral commissurotomy.

Journal Article Cathet Cardiovasc Diagn · 1994 Recent randomized studies have demonstrated that percutaneous transvenous mitral commissurotomy (PTMC) has similar efficacy compared to surgical commissurotomy. Compared with surgery, PTMC is associated with shorter hospital stays, reduced patient discomfo ... Link to item Cite

Usefulness of dobutamine echocardiography for detecting restenosis after percutaneous transluminal coronary angioplasty.

Journal Article Am J Cardiol · December 1, 1993 To determine the usefulness of dobutamine stress echocardiography for detecting restenosis after percutaneous transluminal coronary angioplasty, the results of coronary arteriography and dobutamine stress echocardiography were compared in 103 patients 6 mo ... Full text Link to item Cite

Comparison of balloon valvuloplasty with operative treatment for mitral stenosis.

Journal Article Ann Thorac Surg · December 1993 To determine the optimal role for percutaneous balloon mitral valvuloplasty or open mitral commissurotomy, the outcome of 164 consecutive patients undergoing either percutaneous balloon mitral valvuloplasty, open mitral commissurotomy, or mitral valve repl ... Full text Link to item Cite

Aortic/mitral obstruction and coarctation of the aorta.

Journal Article Cardiol Clin · November 1993 The prevalence, anatomy and physiology, clinical manifestations, laboratory findings, and management of patients with aortic/mitral obstruction and coarctation of the aorta are assessed. Subaortic stenosis reviewed includes discreet membranous and tunnel s ... Link to item Cite

Design and clinical evaluation of a high capacity digital image archival library and high speed network for the replacement of cinefilm in the cardiac angiography environment

Conference Proceedings of SPIE - The International Society for Optical Engineering · September 8, 1993 An economical and practical digital solution for the replacement of 35mm cinefilm as the archive media in the cardiac x-ray imaging environment has remained lacking to date due to the demanding requirements of high capacity, high acquisition rate, high tra ... Full text Cite

Comparison of results of percutaneous balloon valvuloplasty in patients with mild and moderate mitral stenosis to those with severe mitral stenosis. The North American Inoue Balloon Investigators.

Journal Article Am J Cardiol · June 1, 1993 Most reported studies of percutaneous balloon valvuloplasty in adults with acquired mitral stenosis have used patients with severely stenosed valves. The risks and benefits of valvuloplasty were examined in a multicenter registry of patients to determine w ... Full text Link to item Cite

Antemortem diagnosis of an endomyocardial breast cancer metastasis by transvenous endomyocardial biopsy.

Journal Article Chest · April 1993 Endomyocardial breast cancer metastases are extremely rare and have previously been diagnosed antemortem only through median sternotomy and cardiotomy. We report a case of endomyocardial breast cancer metastasis which was diagnosed antemortem by transvenou ... Full text Link to item Cite

In vivo validation of compensatory enlargement of atherosclerotic coronary arteries.

Journal Article Am J Cardiol · March 15, 1993 Necropsy examinations and epicardial ultrasound studies have suggested that atherosclerotic coronary arteries undergo compensatory enlargement. This increase in vessel size may be an important mechanism for maintaining myocardial blood flow. It also is of ... Full text Link to item Cite

Effect of balloon size and stepwise inflation technique on the acute results of Inoue mitral commissurotomy. Inoue Balloon Catheter Investigators.

Journal Article Cathet Cardiovasc Diagn · March 1993 Currently percutaneous transvenous mitral commissurotomy (PTMC) is performed by most operators using stepwise inflation of the Inoue balloon beginning at a small diameter and increasing size by a sequence of inflations to nominal diameter. The effect of ba ... Full text Link to item Cite

Unrecognized left main coronary artery disease in patients undergoing interventional procedures.

Journal Article Am J Cardiol · January 15, 1993 Selective, coronary arteriographic, catheter-based, intravascular ultrasound images were obtained to determine the presence and extent of angiographically undetected or underestimated left main (LM) coronary arterial narrowing in patients receiving coronar ... Full text Link to item Cite

Stunned myocardium in the toxic shock syndrome.

Journal Article Ann Intern Med · December 1, 1992 Full text Link to item Cite

Ejection load changes in aortic stenosis. Observations made after balloon aortic valvuloplasty.

Journal Article Circ Res · November 1992 To investigate complementarity and competitiveness between the intrinsic and extrinsic components of the total left ventricular systolic load, hemodynamic data from 18 elderly subjects with severe aortic stenosis were analyzed before and after balloon dila ... Full text Link to item Cite

Congenital aortic stenosis and patent ductus arteriosus in the adult.

Journal Article Ann Thorac Surg · August 1992 Concurrent aortic stenosis and patent ductus arteriosus are not infrequent in children but are rare in adults. An adult case is described with diagnosis by cardiac catheterization and magnetic resonance imaging and with management by combined aortic valve ... Full text Link to item Cite

Balloon mitral commissurotomy after previous surgical commissurotomy. The National Heart, Lung, and Blood Institute Balloon Valvuloplasty Registry participants.

Journal Article Circulation · July 1992 BACKGROUND: Mitral restenosis after surgical mitral commissurotomy often occurs within 5-15 years, necessitating a repeat procedure. Balloon mitral commissurotomy (BMC) has been advocated as an alternative to repeat surgery for mitral restenosis. METHODS A ... Full text Link to item Cite

Factors influencing immediate results, complications, and short-term follow-up status after Inoue balloon mitral valvotomy: a North American multicenter study.

Journal Article Am Heart J · July 1992 Clinical trials with the Inoue mitral valvotomy balloon have recently begun in the United States. We assessed the effects of 17 demographic, echocardiographic, procedural, and hemodynamic variables on the immediate results, complications, and short-term fo ... Full text Link to item Cite

Ergonovine maleate testing during cardiac catheterization: a 10-year perspective in 3,447 patients without significant coronary artery disease or Prinzmetal's variant angina.

Journal Article J Am Coll Cardiol · July 1992 Featured Publication The utility of ergonovine testing for coronary artery spasm was assessed in 3,447 patients with angiographically insignificant (less than 50% diameter stenosis) or no coronary artery disease. No patients clinically had Prinzmetal's variant angina. Overall, ... Full text Link to item Cite

Methodologic issues in clinical evaluation of stenosis severity in adults undergoing aortic or mitral balloon valvuloplasty. The NHLBI Balloon Valvuloplasty Registry.

Journal Article Am J Cardiol · June 15, 1992 Although both catheterization and Doppler measures of valvular stenosis severity have been validated, each has specific advantages and limitations, particularly in the setting of balloon valvuloplasty. Invasive valve area and mean pressure gradient recorde ... Full text Link to item Cite

Comparison of preload recruitable stroke work, end-systolic pressure-volume and dP/dtmax-end-diastolic volume relations as indexes of left ventricular contractile performance in patients undergoing routine cardiac catheterization.

Journal Article J Am Coll Cardiol · June 1992 The end-systolic pressure-volume relation, the relation between stroke work and end-diastolic volume, termed the preload recruitable stroke work relation, and the relation between the peak of the first derivative of left ventricular pressure (dP/dtmax) and ... Full text Link to item Cite

Renal artery stenosis: prevalence and associated risk factors in patients undergoing routine cardiac catheterization.

Journal Article J Am Soc Nephrol · May 1992 The purposes of this study were to determine the prevalence of angiographically significant renal artery stenosis in a patient population referred for diagnostic cardiac catheterization and to develop a model that predicts the highest-risk subset of patien ... Full text Link to item Cite

Use of balloon occlusion to improve visualization of anomalous pulmonary venous return in an adult with cor triatriatum.

Journal Article Cathet Cardiovasc Diagn · April 1992 Cor triatriatum, although rare in adults, is often associated with anomalous pulmonary venous return. Accurate diagnosis of the pulmonary venous return and its anatomic connections is essential in planning proper surgical correction. This case illustrates ... Full text Link to item Cite

Critical mitral stenosis causing ischemic hepatic failure. Successful treatment by percutaneous balloon mitral valvotomy.

Journal Article Chest · March 1992 We report a 52-year-old patient with severe mitral stenosis who developed new onset atrial fibrillation, low output congestive heart failure and fulminant ischemic hepatic failure with subsequent severe coagulopathy. Percutaneous mitral valvotomy resulted ... Full text Link to item Cite

Quantitative and qualitative coronary angiographic analysis: review of methods, utility, and limitations.

Journal Article Cathet Cardiovasc Diagn · February 1992 Coronary angiography continues to be the pivotal study in the diagnosis and treatment of ischemic cardiac disease. Although angiographic equipment and imaging techniques have advanced over the past three decades, the analysis of coronary angiograms, by vis ... Full text Link to item Cite

A computerized method for the application of coronary artery disease risk classification models to a large patient population

Conference Proceedings - Computers in Cardiology, CIC 1992 · January 1, 1992 We have developed a flexible and powerful coronary anatomy classification system which can be applied to the development and evaluation of qualitative and quantitative methods for assessing myocardium in jeopardy on the basis of the severity and location o ... Full text Cite

A rapid, user-friendly method for entering lesion morphology data after cardiac catheterization

Conference Proceedings - Computers in Cardiology, CIC 1992 · January 1, 1992 An expert panel Task Force of the AHA/ACC reported that determination of lesion morphology was predictive of adverse events after diagnostic/interventional procedures. To date, the classification system proposed by the Task Force has not been routinely use ... Full text Cite

Left ventricular filling and ventricular diastolic performance after percutaneous balloon mitral valvotomy.

Journal Article Am J Cardiol · January 1, 1992 The time course of left ventricular (LV) filling and LV diastolic performance were examined in 27 consecutive patients in sinus rhythm before and acutely after balloon mitral valvotomy (BMV). The mitral valve area acutely increased from 1.1 +/- 0.3 to 2.1 ... Full text Link to item Cite

Cardiac ejection fraction: phantom study comparing cine MR imaging, radionuclide blood pool imaging, and ventriculography.

Journal Article J Magn Reson Imaging · 1992 The accuracy and reproducibility of cardiac ejection fraction (EF) measurements based on cine magnetic resonance (MR) imaging, radionuclide multigated acquisition (MUGA) blood pool imaging, and angiographic ventriculography were evaluated by comparing them ... Full text Link to item Cite

Effect of valve deformity on results and mitral regurgitation after Inoue balloon commissurotomy.

Journal Article Circulation · January 1992 BACKGROUND: The effect of valve deformity and patient age adversely affect the results of percutaneous transvenous mitral commissurotomy (PTMC) with conventional balloons. METHODS AND RESULTS: These factors were characterized after PTMC with the Inoue ball ... Full text Link to item Cite

Predictors of one-year outcome after balloon aortic valvuloplasty

Journal Article Cardiology Board Review · January 1, 1992 Cite

Doppler echocardiographic findings in adults with severe symptomatic valvular aortic stenosis. Balloon Valvuloplasty Registry Echocardiographers.

Journal Article Am J Cardiol · December 1, 1991 Baseline echocardiographic data in 680 adults (mean age 78 years) undergoing balloon aortic valvuloplasty at 24 medical centers were analyzed to describe the degree of outflow obstruction in patients with symptomatic aortic stenosis. Maximal aortic jet vel ... Full text Link to item Cite

Percutaneous balloon aortic valvuloplasty. Acute and 30-day follow-up results in 674 patients from the NHLBI Balloon Valvuloplasty Registry.

Journal Article Circulation · December 1991 BACKGROUND: Percutaneous balloon aortic valvuloplasty has been used as a therapeutic option for relief of valvular stenosis. This study describes patients undergoing initial percutaneous aortic balloon valvuloplasty enrolled in the National Heart, Lung, an ... Full text Link to item Cite

ACC/AHA guidelines for cardiac catheterization and cardiac catheterization laboratories. American College of Cardiology/American Heart Association Ad Hoc Task Force on Cardiac Catheterization.

Journal Article Circulation · November 1991 Featured Publication It is evident that the practice of cardiac catheterization has undergone, and continues to undergo, marked change. Most prominent are the recent very rapid proliferation of catheterization laboratories in general and the development of newer types of cathe ... Full text Link to item Cite

Pitfalls in the determination of absolute dimensions using angiographic catheters as calibration devices in quantitative angiography.

Journal Article Am J Cardiol · November 1, 1991 Using catheter outer diameter as a scaling device, quantitative coronary arteriography allows the precise and objective measurement of change in absolute dimensions of coronary arteries after mechanical or pharmacologic intervention. Because of variable de ... Full text Link to item Cite

Surgical aortic valvuloplasty using the Cavitron Ultrasonic Surgical Aspirator: an invasive hemodynamic follow-up study.

Journal Article Cathet Cardiovasc Diagn · September 1991 Valve repair and calcium debridement in patients with calcific aortic stenosis, using the Cavitron Ultrasonic Surgical Aspirator (CUSA), results in a reduction in the aortic valve gradient while potentially avoiding long-term problems inherent to prostheti ... Full text Link to item Cite

Determinants of one-year outcome from balloon aortic valvuloplasty.

Journal Article Am J Cardiol · July 1, 1991 Balloon aortic valvuloplasty (BAV) has been a therapeutic alternative treatment for severe symptomatic aortic stenosis. Previous studies have been unable to predict 1-year outcome because of limited acute and follow-up clinical, invasive and echocardiograp ... Full text Link to item Cite

A multiuser networked system for the large scale study of coronary artery restenosis using quantitative and qualitative coronary angiography

Journal Article Computers in Cardiology · May 1, 1991 A multi-user system capable of assessing the changes induced from interventional procedures such as coronary angioplasty (PTCA) is assembled using quantitative coronary angiography coupled with the visual assessment of twenty morphological descriptors as i ... Cite

An image processing algorithm for the determination of changes in coronary blood flow from digital coronary angiograms

Journal Article Computers in Cardiology · May 1, 1991 A method for measuring regional variation in coronary blood flow has been developed using image processing techniques applied to sequences of digital coronary angiograms. A series of digital subtraction angiography images is used as a basic data set to for ... Cite

Comparison of intravascular ultrasound, external ultrasound and digital angiography for evaluation of peripheral artery dimensions and morphology.

Journal Article Am J Cardiol · April 15, 1991 Validation of catheter-based intravascular ultrasound imaging has been based on comparisons with histology and digital angiography, each of which may have limitations in the assessment of arterial size and morphology. External, high-frequency ultrasound ca ... Full text Link to item Cite

Follow-up recatheterization after balloon aortic valvuloplasty. Mansfield Scientific Aortic Valvuloplasty Registry Investigators.

Journal Article J Am Coll Cardiol · April 1991 Featured Publication The results of recatheterization were assessed in a select group of 95 patients enrolled in the Mansfield Scientific Aortic Valvuloplasty Registry to determine whether any procedural or patient-related variables at baseline predicted either initial immedia ... Full text Link to item Cite

Comparison of ionic and low-osmolar contrast media during cardiac catheterization.

Journal Article Trends Cardiovasc Med · March 1991 The use of nonionic contrast agents during cardiac catheterization decreases the incidence of both major and minor cardiovascular complications when compared with ionic contrast. Hemodynamic and electrophysiologic effects are less profound especially in pa ... Full text Link to item Cite

Platelet and fibrin modification by radiographic contrast media.

Journal Article Circ Res · March 1991 The effect of the radiographic contrast agents, iopamidol and diatrizoate, on fibrin assembly and structure as well as platelet surface charge was studied. Increasing the iopamidol concentration from 0 to 4.5 mM prolongs the fibrin gelation time from 20 to ... Full text Link to item Cite

Quantitative analysis of cardiac images: Application in the clinical environment

Journal Article MedicaMundi · January 1, 1991 This article describes the application of quantitative cardiac analysis in a high volume clinical environment. Computerized evaluation is applied for measurement of coronary artery stenoses, and for determination of global and regional ventricular function ... Cite

Percutaneous balloon pulmonic valvuloplasty following treated endocarditis in a patient with congenital pulmonary valve stenosis.

Journal Article Cathet Cardiovasc Diagn · December 1990 A 36-year-old woman with congenital pulmonary valve stenosis developed the rare complication of endocarditis of the valve. After successful sterilization of the valve, the patient underwent percutaneous balloon pulmonic valvuloplasty at a later date. The p ... Full text Link to item Cite

Multiuser environment for the display and processing of digital cardiac angiographic images

Journal Article Proceedings of SPIE - The International Society for Optical Engineering · December 1, 1990 The increased application of digital imaging techniques to diagnostic cardiology requires the resolution of several remaining problems involving the transmission, display and storage of clinical image data. A Digital Imaging Laboratory is being assembled f ... Cite

Serial left ventricular performance evaluated by cardiac catheterization before, immediately after and at 6 months after balloon aortic valvuloplasty.

Journal Article J Am Coll Cardiol · November 1990 Although impaired ventricular function has been shown to improve after aortic valve replacement, there are few data on hemodynamic changes after balloon aortic valvuloplasty based on follow-up catheterization. Of 71 patients surviving 6 months after balloo ... Full text Link to item Cite

Randomized comparison of the cost and effectiveness of iopamidol and diatrizoate as contrast agents for cardiac angiography.

Journal Article J Am Coll Cardiol · October 1990 To evaluate the effectiveness and cost of low osmolarity, nonionic contrast agents for cardiac angiography, 443 patients were randomized to receive either iopamidol or diatrizoate. All adverse events that occurred within 24 h of the procedure were recorded ... Full text Link to item Cite

Changes in left ventricular diastolic performance after aortic balloon valvuloplasty: acute and late effects.

Journal Article J Am Coll Cardiol · October 1990 To evaluate acute and follow-up changes in left ventricular diastolic performance, simultaneous digital left ventriculography and micromanometry were performed in 49 patients undergoing aortic balloon valvuloplasty. All patients improved symptomatically af ... Full text Link to item Cite

A rapid, effective technique for retrograde crossing of valvular aortic stenosis using standard coronary catheters.

Journal Article Cathet Cardiovasc Diagn · September 1990 Retrograde crossing of valvular aortic stenosis can be challenging even to experienced angiographers. In 446 of 447 consecutive patients with aortic stenosis catheterized during the past 3 years, a technique using a standard Judkins right coronary catheter ... Full text Link to item Cite

Intravascular ultrasonography versus digital subtraction angiography: a human in vivo comparison of vessel size and morphology.

Journal Article J Am Coll Cardiol · September 1990 The accuracy of catheter-based intravascular ultrasonography to define luminal size in humans in vivo and its sensitivity to describe lesion morphology have not been previously reported. Vessel diameter, cross-sectional area and lesion characteristics asse ... Full text Link to item Cite

Early and late changes in left ventricular systolic performance after percutaneous aortic balloon valvuloplasty.

Journal Article Am J Cardiol · August 1, 1990 To evaluate early and late hemodynamics after aortic valvuloplasty, 17 patients underwent first-pass radionuclide angiocardiography with simultaneous high-fidelity micromanometer pressure before, 10 minutes after and 6 months after aortic valvuloplasty. Pr ... Full text Link to item Cite

Detection, characterization and functional assessment of reperfused Q-wave acute myocardial infarction by cine magnetic resonance imaging.

Journal Article Am J Cardiol · July 1, 1990 The capability of dynamic gradient-refocused magnetic resonance imaging (cine MRI) to detect, localize and functionally assess acute myocardial infarction (AMI) in 25 patients at a mean time interval of 7 days after AMI was evaluated. Fifteen asymptomatic ... Full text Link to item Cite

Thrombotic and cardiovascular complications related to nonionic contrast media during cardiac catheterization: analysis of 8,517 patients.

Journal Article Am J Cardiol · June 15, 1990 The incidence of major complications associated with nonionic contrast media has not been defined in a large study. Accordingly, cardiovascular complications, especially thrombotic events, were prospectively evaluated in 8,517 consecutive patients undergoi ... Full text Link to item Cite

Early ambulation after 5 French diagnostic cardiac catheterization: results of a multicenter trial.

Journal Article J Am Coll Cardiol · June 1990 Because earlier ambulation and discharge after cardiac catheterization may result in the increased utilization of outpatient facilities, a prospective five center clinical pilot trial assessing the safety and outcome of early ambulation after routine left ... Full text Link to item Cite

Changes in left ventricular systolic performance immediately after percutaneous aortic balloon valvuloplasty.

Journal Article Am J Cardiol · May 15, 1990 To evaluate the acute changes in left ventricular (LV) performance before and immediately after percutaneous aortic valvuloplasty, 25 patients underwent first-pass radionuclide angiocardiography for construction of pressure-volume loops. Simultaneously, hi ... Full text Link to item Cite

Relation of quantitative coronary lesion measurements to the development of exercise-induced ischemia assessed by exercise echocardiography.

Journal Article J Am Coll Cardiol · April 1990 To assess the relation of quantitative measures of coronary stenoses to the development of exercise-induced regional wall motion abnormalities, 34 patients with isolated, single vessel coronary artery lesions and normal wall motion at rest underwent exerci ... Full text Link to item Cite

Balloon angioplasty of coarctation of the aorta evaluated with intravascular ultrasound imaging.

Journal Article J Am Coll Cardiol · March 15, 1990 Intravascular ultrasound images were employed to evaluate aortic coarctation before and after balloon angioplasty. Measurements obtained with use of an ultrasound imaging catheter correlated well with measurements made with digital aortography, both in the ... Full text Link to item Cite

Feasibility and cost-saving potential of outpatient cardiac catheterization.

Journal Article J Am Coll Cardiol · February 1990 To determine the feasibility and cost-saving potential of substituting outpatient for inpatient cardiac catheterization, 986 consecutive procedures were studied at a large referral hospital. Patients were classified prospectively as to their eligibility fo ... Full text Link to item Cite

Failure of balloon aortic valvuloplasty to result in sustained clinical improvement in patients with depressed left ventricular function.

Journal Article Am J Cardiol · January 1, 1990 Featured Publication Although balloon aortic valvuloplasty usually results in acute hemodynamic improvement, recurrent symptoms often occur within several months. The current study was designed to determine whether clinical characteristics, including invasive hemodynamic param ... Full text Link to item Cite

Serial evaluation of ventricular function after percutaneous aortic balloon valvuloplasty.

Journal Article Am Heart J · January 1990 To evaluate the serial changes in right and left ventricular performance after percutaneous aortic balloon valvuloplasty, 15 patients, mean age 75 +/- 18 years, and in New York Heart Association (NYHA) class III, were studied with first-pass radionuclide a ... Full text Link to item Cite

Validation of pressure-volume data obtained in patients by initial transit radionuclide angiocardiography.

Journal Article Am Heart J · November 1989 In order to validate the measurement of pressure-volume loops and stroke work in humans, simultaneous digital subtraction ventriculography (DSA) and first-pass radionuclide angiocardiography (RNA) coupled with high-fidelity micromanometer left ventricular ... Full text Link to item Cite

Contrast nephrotoxicity.

Journal Article N Engl J Med · August 10, 1989 Full text Link to item Cite

Doppler left ventricular diastolic filling abnormalities in aortic stenosis and their relation to hemodynamic parameters.

Journal Article Am J Cardiol · June 1, 1989 Doppler mitral flow indexes and their relation to invasively measured hemodynamic diastolic indexes were assessed in 13 patients with isolated aortic stenosis (AS), and compared to Doppler indexes in 10 normal subjects matched for age, heart rate, left ven ... Full text Link to item Cite

Functional abnormalities in isolated left bundle branch block. The effect of interventricular asynchrony.

Journal Article Circulation · April 1989 Eighteen patients with isolated left bundle branch block (LBBB) were compared with 10 normal control subjects. Apexcardiograms, phonocardiograms, electrocardiograms, two-dimensional and dual M-mode echocardiograms, and radionuclide ventriculograms (RNV) we ... Full text Link to item Cite

Quantification of aortic regurgitation after balloon aortic valvuloplasty using videodensitometric analysis of digital subtraction aortography.

Journal Article Am J Cardiol · March 1, 1989 The serial changes in aortic regurgitation (AR) after balloon aortic valvuloplasty have not been quantitatively evaluated. This study assessed the degree of AR by quantitative and qualitative techniques before and immediately after aortic valvuloplasty. Di ... Full text Link to item Cite

Prediction of early recurrent myocardial ischemia and coronary reocclusion after successful thrombolysis: a qualitative and quantitative angiographic study.

Journal Article Am J Cardiol · February 15, 1989 To determine the association of qualitative and quantitative measurements of the myocardial infarct-related coronary narrowing with subsequent recurrent ischemia/reocclusion after successful thrombolysis, 47 patients treated with high-dose (150 mg) tissue ... Full text Link to item Cite

Analysis of the early rise in aortic transvalvular gradient after aortic valvuloplasty.

Journal Article Am Heart J · February 1989 The relationship between dynamic changes in aortic valve gradient and left ventricular ejection performance in the early period after successful percutaneous aortic valvuloplasty has not been described in detail. Accordingly 20 adult patients with severe s ... Full text Link to item Cite

Histopathologic examination of material from angioplasty balloon catheters used in vivo in human coronary arteries.

Journal Article Atherosclerosis · February 1989 Reports on vascular pathology post-PTCA in both human and animal coronary vessels have revealed medial and intimal cracks and tears, thrombus formation, platelet accumulation, and loss of endothelial cells. The extent and type of damage can currently be as ... Full text Link to item Cite

Contrast nephrotoxicity: a randomized controlled trial of a nonionic and an ionic radiographic contrast agent.

Journal Article N Engl J Med · January 19, 1989 Experimental studies have suggested that nonionic contrast agents are less nephrotoxic than ionic contrast agents. To examine the relative nephrotoxicity of the two types of agents, we randomly assigned 443 patients to receive either iopamidol (nonionic) o ... Full text Link to item Cite

Cardiovascular and renal toxicity of a nonionic radiographic contrast agent after cardiac catheterization. A prospective trial.

Journal Article Ann Intern Med · January 15, 1989 STUDY OBJECTIVE: To determine the incidence of cardiovascular and renal toxicity of a nonionic contrast agent when used for cardiac catheterization, and to assess the value of electrolytes and urinalysis results as predictors of nephropathy induced by a co ... Full text Link to item Cite

Comparison of coronary stenosis quantitation results from on-line digital and digitized cine film images.

Journal Article Am J Cardiol · September 1, 1988 To examine the effects of digital image acquisition mode and subtraction techniques on the results of coronary stenosis quantitation, 100 discrete lesions from 45 patients undergoing routine diagnostic angiography were analyzed in each of 3 image types: di ... Full text Link to item Cite

Mitral stenosis: mitral dome excursion at M1 and the mitral opening snap--the concept of reciprocal heart sounds.

Journal Article Am Heart J · June 1988 The dynamics of the delayed accentuated mitral component (M1) of the first heart sound and the MOS were studied in 11 patients with mitral stenosis of varying severity. Echophonocardiographic (M-mode and 2D) studies were performed with analysis of LA dimen ... Full text Link to item Cite

The risk for systemic embolization associated with percutaneous balloon valvuloplasty in adults. A prospective comprehensive evaluation.

Journal Article Ann Intern Med · April 1988 STUDY OBJECTIVE: To prospectively investigate the evidence for embolic phenomena associated with percutaneous mitral and aortic valvuloplasty. DESIGN: Prospective, consecutive case series before and after balloon valvuloplasty. SETTING: Referral center hos ... Full text Link to item Cite

Postural exercise abnormalities in symptomatic patients with mitral valve prolapse.

Journal Article J Am Coll Cardiol · March 1988 The hemodynamics of the supine and upright exercise response in 16 symptomatic women with mitral valve prolapse (Group I) was compared with that in 8 asymptomatic normal control women (Group II). All subjects had supine and upright echocardiography and pho ... Full text Link to item Cite

Changes in epicardial coronary arterial diameter following intracoronary papaverine in man.

Journal Article Cathet Cardiovasc Diagn · 1988 The effect of intracoronary papaverine administration on epicardial coronary arterial diameter was examined in 18 male patients. Coronary-artery cineangiograms were acquired with a power injector before intervention, 20 sec after intracoronary saline (cont ... Full text Link to item Cite

Pulsus alternans induced by inferior vena caval occlusion in man.

Journal Article Cathet Cardiovasc Diagn · 1988 To assess the effect of rapid preload reduction on left ventricular performance in nonischemic cardiomyopathy, 11 patients were studied during inferior vena caval (IVC) balloon occlusion. Five developed sustained pulsus alternans. During pulsus alternans, ... Full text Link to item Cite

Postural exercise abnormalities associated with mitral valve prolapse

Journal Article Cardiology Board Review · January 1, 1988 Cite

Altered phosphate metabolism in myocardial infarction: P-31 MR spectroscopy.

Journal Article Radiology · December 1987 The high-energy myocardial phosphate metabolism of four patients with acute anterior myocardial infarction after coronary angioplasty and drug therapy was evaluated with cardiac-gated phosphorus magnetic resonance (MR) depth-resolved surface coil spectrosc ... Full text Link to item Cite

Accuracy of digital angiography for quantitation of normal coronary luminal segments in excised, perfused hearts.

Journal Article Am J Cardiol · June 1, 1987 The accuracy of coronary artery diameter determination by digital angiography was assessed by imaging 39 coronary segments of excised dog and human hearts and comparing these segments with pathologic sections 0.76 to 3.31 mm in luminal diameter. Digital im ... Full text Link to item Cite

Failure of normalized ventricular filling rates to predict true filling rates.

Journal Article Nucl Med Commun · June 1987 Ventricular filling rates derived from radionuclide angiographic (RNA) time-activity curves are commonly expressed as normalized values. The assumption that normalized filling rates have a relationship to the actual filling rates was tested. RNA and contra ... Full text Link to item Cite

Cine MR determination of left ventricular ejection fraction.

Journal Article AJR Am J Roentgenol · May 1987 Cine MR imaging provides tomographic images of the heart with both high spatial and high temporal resolution. As many as 32 images per cardiac cycle can be acquired with up to four separate anatomic slices and a total imaging time of 128 cardiac cycles. En ... Full text Link to item Cite

Safety and efficacy of inferior vena caval occlusion to rapidly alter ventricular loading conditions in idiopathic dilated cardiomyopathy.

Journal Article Am J Cardiol · April 15, 1987 To investigate the safety and efficacy of inferior vena caval (IVC) balloon occlusion for preload alteration in humans, 13 patients with dilated cardiomyopathy were studied before and during repeated (total of 78) IVC occlusions. Left and right ventricular ... Full text Link to item Cite

Histologic and biochemical correlates of left ventricular chamber dynamics in man.

Journal Article J Am Coll Cardiol · April 1987 To investigate the relation between left ventricular chamber dynamics in humans and the quantitative analysis of the histologic and biochemical characteristics of left ventricular endomyocardial biopsy material, 15 patients with a wide range of ventricular ... Full text Link to item Cite

Position as a variable for cardiovascular responses during exercise.

Journal Article Clin Cardiol · March 1987 Twenty-one normal young male subjects underwent resting and exercise (bicycle) radionuclide angiography in the full supine and 70 degrees upright tilt positions in order to examine the effects of position on left ventricular size and performance, hemodynam ... Full text Link to item Cite

Right ventricular aneurysm due to ischemic disease. Diagnosis by radionuclide angiography with localization of the site of PVC origin by phase analysis.

Journal Article Clin Nucl Med · February 1987 A case of right ventricular aneurysm due to coronary artery disease in a 69-year-old male with no prior history of surgery or chest trauma is reported. The presence of the aneurysm was diagnosed by gated radionuclide angiography and confirmed by contrast a ... Full text Link to item Cite

Clinical and angiographic assessment of complex mammary artery bypass grafting.

Journal Article J Thorac Cardiovasc Surg · November 1986 The internal mammary artery has become the coronary bypass graft of choice in recent years because of enhanced long-term patency. Along with this trend, sequential, bilateral, and free mammary grafts have been employed more frequently in an effort to maxim ... Link to item Cite

Localization of the site of ventricular premature complexes by radionuclide angiographic phase imaging.

Journal Article Am J Cardiol · September 1, 1986 To investigate whether gated radionuclide angiographic phase imaging is useful for visually displaying the origin of ventricular premature complexes (VPCs), 82 patients were studied by gating only VPCs. The VPC "origin" by the scintigraphic method was defi ... Full text Link to item Cite

Prevention of bedrest-induced physical deconditioning by daily dobutamine infusions. Implications for drug-induced physical conditioning.

Journal Article J Clin Invest · October 1985 The effects of intermittent infusions of dobutamine were studied in young normal male subjects during a period of bedrest deconditioning to determine whether this synthetic catechol affects physical conditioning processes in humans. 24 volunteers were plac ... Full text Link to item Cite

Effect of acute standing and prolonged upright activity on left ventricular hemodynamics, systolic and diastolic intervals, and QT-QS2 relationship.

Journal Article Am Heart J · September 1985 It is generally accepted that upright posture decreases preload and afterload, which could alter left ventricular (LV) performance. It is not known if changes occurring with acute standing persist after prolonged ambulatory activity (amb-act). In seven nor ... Full text Link to item Cite

The noninvasive localization of ventricular pacing sites by radionuclide phase imaging.

Journal Article Circulation · October 1984 This study was designed to investigate the potential role of radionuclide angiographic phase imaging in defining ventricular pacing sites. Twenty patients were paced from multiple right ventricular and left ventricular sites. Ten patients had both normal w ... Full text Link to item Cite

Relation between premature ventricular contraction site of origin (defined by radionuclide phase analysis) and subsequent left ventricular function.

Journal Article Am J Cardiol · April 1, 1984 It has been suggested that the effect of a premature ventricular contraction (PVC) on left ventricular (LV) function depends on the site of origin of the PVC, and that the subsequent impairment of LV performance during a PVC may be more pronounced if basel ... Full text Link to item Cite

Hemodynamic correlates for timing intervals, ejection rate and filling rate derived from the radionuclide angiographic volume curve.

Journal Article Am J Cardiol · February 1, 1984 This study was designed to more clearly define the relation between various invasive hemodynamic measurements and left ventricular (LV) timing intervals, ejection rate and filling rate derived from the radionuclide angiographic volume curve. Twenty-eight p ... Full text Link to item Cite

Chronic oral amrinone therapy in congestive heart failure: a double-blind placebo-controlled withdrawal study.

Journal Article Int J Clin Pharmacol Res · 1984 Eighteen patients with congestive heart failure were studied in a double-blind, randomized, placebo-controlled withdrawal trial to evaluate the effectiveness of chronic oral amrinone therapy when added to conventional heart failure therapy. All patients re ... Link to item Cite

Histologic and functional characteristics of human heart after mitoxantrone therapy

Journal Article Cancer Treatment Symposia · January 1, 1984 Cite

Amrinone therapy for congestive heart failure in outpatients with idiopathic dilated cardiomyopathy.

Journal Article Am J Cardiol · August 1983 Amrinone, 100 mg orally every 8 hours, was administered to 13 patients with moderate-to-severe congestive heart failure (CHF) for 1 month on an outpatient basis to determine the beneficial and undesirable effects of this new cardioactive agent in this clin ... Full text Link to item Cite

Assessment of left ventricular pressure-volume relations using gated radionuclide angiography, echocardiography, and micromanometer pressure recordings. A new method for serial measurements of systolic and diastolic function in man.

Journal Article Circulation · April 1983 This study was designed to validate the use of combined invasive and noninvasive methods in assessing serial pressure-volume relations in man. Ten patients undergoing cardiac catheterization were studied with simultaneous intracardiac micromanometer pressu ... Full text Link to item Cite

Cardiac evaluation of mitoxantrone.

Journal Article Cancer Treat Rep · April 1983 Mitoxantrone is a synthetic anthraquinone that was developed through the doxorubicin analog program in hopes of retaining anticancer activity with less cardiotoxicity. This study evaluated 18 patients receiving mitoxantrone with serial noninvasive tests of ... Link to item Cite

Repolarization variant vs acute pericarditis. A prospective electrocardiographic and echocardiographic evaluation.

Journal Article Chest · February 1983 Patients with ECG nonischemic ST segment elevation were prospectively studied to determine the accuracy of the initial ECG diagnoses. Evaluations were made of 131 consecutive patients by serial clinical, ECG, and echocardiography to establish a diagnosis. ... Full text Link to item Cite

Anatomic and prognostic implications of an early positive treadmill exercise test.

Journal Article Am J Cardiol · October 1982 Eighty men (group A) with clinical coronary artery disease underwent coronary angiography regardless of symptoms and previous therapy because they had a positive treadmill exercise test in stage I or II of the Bruce protocol. Thirty-four other men (group B ... Full text Link to item Cite

The epicardial screw-on electrode. An analysis of 114 consecutive patients with complete one-year follow-up.

Journal Article Pacing Clin Electrophysiol · January 1982 This study assesses the clinical and electrode complications associated with the use of the epicardial screw-on electrode technique for permanent ventricular pacing. The records of 114 consecutive patients who received screw-on epicardial electrodes were a ... Full text Link to item Cite

Coronary flow and regional function before and after supraarterial myotomy for myocardial bridging.

Journal Article Ann Thorac Surg · February 1981 Myocardial bridges have been associated with clinical and metabolic evidence of ischemia, although the mechanism for this is unclear. We measured coronary blood flow and segmental function at different heart rates prior to and after release of a myocardial ... Full text Link to item Cite

Paroxysmal hypotension associated with sympathetic withdrawal. A new disorder of autonomic vasomotor regulation.

Journal Article Circulation · October 1980 We evaluated a patient who had transient episodes of hypotension with clinical and laboratory features apparently distinct from previously recognized disorders of vasomotor regulation. In between his abrupt attacks of hypotension, the patient is asymptomat ... Full text Link to item Cite

Ventricular fibrillation in the Wolff-Parkinson-White syndrome.

Journal Article N Engl J Med · November 15, 1979 To examine the risk of ventricular fibrillation in patients with the Wolff-Parkinson-White syndrome, we compared patients who had this syndrome and a history of ventricular fibrillation related to preexcitation with patients who had the syndrome without th ... Full text Link to item Cite

Electrophysiologic effects of disopyramide phosphate on sinus node function in patients with sinus node dysfunction.

Journal Article Circulation · February 1979 The electrophysiologic effects of intravenously administered disopyramide (2 mg/kg) on three parameters of sinus node function were examined in 16 symptomatic patients with sinus node dysfunction. Based on their ECG data before study, patients were subdivi ... Full text Link to item Cite

Assessment of drug effect in pre excitation syndrome

Journal Article British Heart Journal · December 1, 1977 Cite

Digitalis in the pre-excitation syndrome. Analysis during atrial fibrillation.

Journal Article Circulation · August 1977 The effect of digitalis in 21 patients with Wolff-Parkinson-White syndrome was anlayzed with respect to the ventricular response during atrial fibrillation and antegrade and retrograde refractory periods of accessory pathways. Digitalis shortened the cycle ... Full text Link to item Cite

Effects of procainamide and quinidine sulfate in the Wolff-Parkinson-White syndrome.

Journal Article Circulation · January 1977 Thirty-three patients with Wolff-Parkinson-White syndrome were studied electrophysiologically before and after administration of intravenous procainamide and oral quinidine sulfate. Procainamide prolonged the shortest R-R (SRR) interval between two consecu ... Full text Link to item Cite