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Muath Bishawi

House Staff
Surgery

Selected Publications


Surgical Treatment of Tricuspid Valve Regurgitation in Patients Undergoing Left Ventricular Assist Device Implantation: Interim analysis of the TVVAD trial.

Journal Article J Thorac Cardiovasc Surg · May 2024 OBJECTIVES: Right heart failure remains a serious complication of left ventricular assist device therapy. Many patients presenting for left ventricular assist device implantation have significant tricuspid regurgitation. It remains unknown whether concurre ... Full text Link to item Cite

Transvenous Endomyocardial Biopsy Technique for Intra-abdominal Heterotopic Cardiac Grafts.

Journal Article J Cardiovasc Transl Res · June 2023 The porcine intra-abdominal heterotopic heart transplantation model allows for the assessment of immunologic effects on cardiac transplantation without relying on the allograft to maintain hemodynamic support for the animal. Historically, allograft functio ... Full text Link to item Cite

Ex Vivo Gene Delivery to Porcine Cardiac Allografts Using a Myocardial-Enhanced Adeno-Associated Viral Vector.

Journal Article Hum Gene Ther · April 2023 Transplantation, the gold standard intervention for organ failure, is a clinical field that is ripe for applications of gene therapy. One of the major challenges in applying gene therapy to this field is the need for a method that achieves consistent and r ... Full text Link to item Cite

An enhancer-based gene-therapy strategy for spatiotemporal control of cargoes during tissue repair.

Journal Article Cell Stem Cell · January 5, 2023 The efficacy and safety of gene-therapy strategies for indications like tissue damage hinge on precision; yet, current methods afford little spatial or temporal control of payload delivery. Here, we find that tissue-regeneration enhancer elements (TREEs) i ... Full text Link to item Cite

Improved Outcomes in Severe Primary Graft Dysfunction After Heart Transplantation Following Donation After Circulatory Death Compared With Donation After Brain Death.

Journal Article J Card Fail · January 2023 BACKGROUND: Primary graft dysfunction (PGD), the leading cause of early mortality after heart transplantation, is more common following donation after circulatory death (DCD) than donation after brain death (DBD). We conducted a single-center, retrospectiv ... Full text Link to item Cite

A Porcine Model of Acute Rejection for Cardiac Transplantation

Conference JOURNAL OF HEART AND LUNG TRANSPLANTATION · 2023 Cite

Health-related quality of life impacts upon 5-year survival after coronary artery bypass surgery.

Journal Article Journal of cardiac surgery · December 2022 BackgroundPoor preoperative health-related quality of life (HRQoL) has been associated with reduced short-term survival after coronary artery bypass graft (CABG) surgery; however, its impact on long-term mortality is unknown. This study's objectiv ... Full text Cite

Late Durability of Mitral Repair for Ischemic Versus Nonischemic Functional Mitral Regurgitation.

Journal Article Ann Thorac Surg · October 2022 BACKGROUND: Concerns regarding long-term durability of surgical repair for functional mitral regurgitation are based on short-term data, with few comparisons of ischemic mitral regurgitation (IMR) versus nonischemic functional mitral regurgitation (NIFMR) ... Full text Link to item Cite

Novel Use of Mobile Ex-Vivo Lung Perfusion in Donation After Circulatory Death Lung Transplantation.

Journal Article Progress in transplantation (Aliso Viejo, Calif.) · June 2022 Full text Cite

An engineering approach to mitral valve mechanics and function

Journal Article Applications in Engineering Science · June 1, 2022 Full text Cite

Incidence and Diagnostic Challenges of Bowel Ischemia after Continuous-flow Left Ventricular Assist Device Therapy.

Journal Article ASAIO J · May 1, 2022 Long-term continuous-flow left ventricular assist device (CFLVAD) therapy is limited by complications. Compared with stroke and renal dysfunction, post-CFLVAD bowel ischemia is poorly characterized. Adult patients who underwent first-time durable CFLVAD im ... Full text Link to item Cite

Late onset cardiovascular dysfunction in adult mice resulting from galactic cosmic ray exposure.

Journal Article iScience · April 15, 2022 The complex and inaccessible space radiation environment poses an unresolved risk to astronaut cardiovascular health during long-term space exploration missions. To model this risk, healthy male c57BL/6 mice aged six months (corresponding to an astronaut o ... Full text Link to item Cite

A Porcine Heterotopic Heart Transplantation Protocol for Delivery of Therapeutics to a Cardiac Allograft.

Journal Article J Vis Exp · February 14, 2022 Cardiac transplantation is the gold standard treatment for end-stage heart failure. However, it remains limited by the number of available donor hearts and complications such as primary graft dysfunction and graft rejection. The recent clinical use of an e ... Full text Link to item Cite

The outcome of mitral repair for degenerative versus ischemic mitral regurgitation using a single complete ring.

Journal Article J Card Surg · February 2022 BACKGROUND: The durability of surgical repair for degenerative versus ischemic mitral regurgitation (MR) is thought to be markedly different. We, therefore, examined late outcomes and durability for mitral repair in a large cohort of patients receiving a s ... Full text Link to item Cite

Targeted Delivery for Cardiac Regeneration: Comparison of Intra-coronary Infusion and Intra-myocardial Injection in Porcine Hearts.

Journal Article Front Cardiovasc Med · 2022 BACKGROUND: The optimal delivery route to enhance effectiveness of regenerative therapeutics to the human heart is poorly understood. Direct intra-myocardial (IM) injection is the gold standard, however, it is relatively invasive. We thus compared targeted ... Full text Link to item Cite

Evaluation of U-Net Based Architectures for Automatic Aortic Dissection Segmentation

Journal Article ACM Transactions on Computing for Healthcare · January 1, 2022 Segmentation and reconstruction of arteries is important for a variety of medical and engineering fields, such as surgical planning and physiological modeling. However, manual methods can be laborious and subject to a high degree of human variability. In t ... Full text Cite

Patient- and Ventilator-Specific Modeling to Drive the Use and Development of 3D Printed Devices for Rapid Ventilator Splitting During the COVID-19 Pandemic

Conference Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) · January 1, 2022 In the early days of the COVID-19 pandemic, there was a pressing need for an expansion of the ventilator capacity in response to the COVID19 pandemic. Reserved for dire situations, ventilator splitting is complex, and has previously been limited to patient ... Full text Cite

Surgical Treatment of Tricuspid Valve Regurgitation in Patients Undergoing Left Ventricular Assist Device Implantation: Interim analysis of the TVVAD trial.

Journal Article J Thorac Cardiovasc Surg · May 2024 OBJECTIVES: Right heart failure remains a serious complication of left ventricular assist device therapy. Many patients presenting for left ventricular assist device implantation have significant tricuspid regurgitation. It remains unknown whether concurre ... Full text Link to item Cite

Transvenous Endomyocardial Biopsy Technique for Intra-abdominal Heterotopic Cardiac Grafts.

Journal Article J Cardiovasc Transl Res · June 2023 The porcine intra-abdominal heterotopic heart transplantation model allows for the assessment of immunologic effects on cardiac transplantation without relying on the allograft to maintain hemodynamic support for the animal. Historically, allograft functio ... Full text Link to item Cite

Ex Vivo Gene Delivery to Porcine Cardiac Allografts Using a Myocardial-Enhanced Adeno-Associated Viral Vector.

Journal Article Hum Gene Ther · April 2023 Transplantation, the gold standard intervention for organ failure, is a clinical field that is ripe for applications of gene therapy. One of the major challenges in applying gene therapy to this field is the need for a method that achieves consistent and r ... Full text Link to item Cite

An enhancer-based gene-therapy strategy for spatiotemporal control of cargoes during tissue repair.

Journal Article Cell Stem Cell · January 5, 2023 The efficacy and safety of gene-therapy strategies for indications like tissue damage hinge on precision; yet, current methods afford little spatial or temporal control of payload delivery. Here, we find that tissue-regeneration enhancer elements (TREEs) i ... Full text Link to item Cite

Improved Outcomes in Severe Primary Graft Dysfunction After Heart Transplantation Following Donation After Circulatory Death Compared With Donation After Brain Death.

Journal Article J Card Fail · January 2023 BACKGROUND: Primary graft dysfunction (PGD), the leading cause of early mortality after heart transplantation, is more common following donation after circulatory death (DCD) than donation after brain death (DBD). We conducted a single-center, retrospectiv ... Full text Link to item Cite

A Porcine Model of Acute Rejection for Cardiac Transplantation

Conference JOURNAL OF HEART AND LUNG TRANSPLANTATION · 2023 Cite

Health-related quality of life impacts upon 5-year survival after coronary artery bypass surgery.

Journal Article Journal of cardiac surgery · December 2022 BackgroundPoor preoperative health-related quality of life (HRQoL) has been associated with reduced short-term survival after coronary artery bypass graft (CABG) surgery; however, its impact on long-term mortality is unknown. This study's objectiv ... Full text Cite

Late Durability of Mitral Repair for Ischemic Versus Nonischemic Functional Mitral Regurgitation.

Journal Article Ann Thorac Surg · October 2022 BACKGROUND: Concerns regarding long-term durability of surgical repair for functional mitral regurgitation are based on short-term data, with few comparisons of ischemic mitral regurgitation (IMR) versus nonischemic functional mitral regurgitation (NIFMR) ... Full text Link to item Cite

Novel Use of Mobile Ex-Vivo Lung Perfusion in Donation After Circulatory Death Lung Transplantation.

Journal Article Progress in transplantation (Aliso Viejo, Calif.) · June 2022 Full text Cite

An engineering approach to mitral valve mechanics and function

Journal Article Applications in Engineering Science · June 1, 2022 Full text Cite

Incidence and Diagnostic Challenges of Bowel Ischemia after Continuous-flow Left Ventricular Assist Device Therapy.

Journal Article ASAIO J · May 1, 2022 Long-term continuous-flow left ventricular assist device (CFLVAD) therapy is limited by complications. Compared with stroke and renal dysfunction, post-CFLVAD bowel ischemia is poorly characterized. Adult patients who underwent first-time durable CFLVAD im ... Full text Link to item Cite

Late onset cardiovascular dysfunction in adult mice resulting from galactic cosmic ray exposure.

Journal Article iScience · April 15, 2022 The complex and inaccessible space radiation environment poses an unresolved risk to astronaut cardiovascular health during long-term space exploration missions. To model this risk, healthy male c57BL/6 mice aged six months (corresponding to an astronaut o ... Full text Link to item Cite

A Porcine Heterotopic Heart Transplantation Protocol for Delivery of Therapeutics to a Cardiac Allograft.

Journal Article J Vis Exp · February 14, 2022 Cardiac transplantation is the gold standard treatment for end-stage heart failure. However, it remains limited by the number of available donor hearts and complications such as primary graft dysfunction and graft rejection. The recent clinical use of an e ... Full text Link to item Cite

The outcome of mitral repair for degenerative versus ischemic mitral regurgitation using a single complete ring.

Journal Article J Card Surg · February 2022 BACKGROUND: The durability of surgical repair for degenerative versus ischemic mitral regurgitation (MR) is thought to be markedly different. We, therefore, examined late outcomes and durability for mitral repair in a large cohort of patients receiving a s ... Full text Link to item Cite

Targeted Delivery for Cardiac Regeneration: Comparison of Intra-coronary Infusion and Intra-myocardial Injection in Porcine Hearts.

Journal Article Front Cardiovasc Med · 2022 BACKGROUND: The optimal delivery route to enhance effectiveness of regenerative therapeutics to the human heart is poorly understood. Direct intra-myocardial (IM) injection is the gold standard, however, it is relatively invasive. We thus compared targeted ... Full text Link to item Cite

Evaluation of U-Net Based Architectures for Automatic Aortic Dissection Segmentation

Journal Article ACM Transactions on Computing for Healthcare · January 1, 2022 Segmentation and reconstruction of arteries is important for a variety of medical and engineering fields, such as surgical planning and physiological modeling. However, manual methods can be laborious and subject to a high degree of human variability. In t ... Full text Cite

Patient- and Ventilator-Specific Modeling to Drive the Use and Development of 3D Printed Devices for Rapid Ventilator Splitting During the COVID-19 Pandemic

Conference Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) · January 1, 2022 In the early days of the COVID-19 pandemic, there was a pressing need for an expansion of the ventilator capacity in response to the COVID19 pandemic. Reserved for dire situations, ventilator splitting is complex, and has previously been limited to patient ... Full text Cite

Surgical features of malignant cardiac tumors

Chapter · January 1, 2022 Malignant primary cardiac tumors are rare and generally present at a young age. Multimodal imaging (CT, Cardiac MRI, and Echo) represents the current gold standard for diagnosis, staging, and surgical planning. Unique considerations include tumor involveme ... Full text Cite

Influence of peritoneal dialysis catheter type on complications and long-term outcomes: an updated systematic review and meta-analysis.

Journal Article J Nephrol · December 2021 BACKGROUND: There is currently no consensus regarding the optimal type of peritoneal dialysis catheter (PDC). We compared the outcomes of PDCs according to the number of cuffs, intercuff and intraperitoneal segment shape, and presence of a weighted tip. ME ... Full text Link to item Cite

Surgical versus percutaneous catheter placement for peritoneal dialysis: an updated systematic review and meta-analysis.

Journal Article J Nephrol · October 2021 BACKGROUND: No consensus currently exists regarding the optimal approach for peritoneal dialysis catheter placement. We aimed to compare the outcomes of percutaneous and surgical peritoneal dialysis catheter placement. METHODS: A systematic review of the l ... Full text Link to item Cite

New-onset postoperative atrial fibrillation impact on 5-year clinical outcomes and costs.

Journal Article The Journal of thoracic and cardiovascular surgery · May 2021 ObjectiveThe impact of new-onset postoperative atrial fibrillation (POAF) following coronary artery bypass grafting (CABG) surgery on long-term clinical outcomes and costs is not known. This subanalysis of the Veterans Affairs "Randomized On/Off B ... Full text Cite

Characteristics of strokes associated with centrifugal flow left ventricular assist devices.

Journal Article Sci Rep · January 18, 2021 Stroke is a devastating complication of left ventricular assist device (LVAD) therapy. Understanding the characteristics, risk factors and outcomes of strokes associated with the centrifugal flow LVADs is important to devise better strategies for managemen ... Full text Link to item Cite

Predicting aneurysmal degeneration of type B aortic dissection with computational fluid dynamics

Conference Proceedings of the 12th ACM Conference on Bioinformatics, Computational Biology, and Health Informatics, BCB 2021 · January 18, 2021 Stanford Type B aortic dissection (TBAD) is a deadly cardiovascular disease with mortality rates as high as 50% in complicated cases. Patients with TBAD are often medically managed, but in ∼20-40% of cases, patients experience aneurysmal degeneration in th ... Full text Cite

PD-1 and PD-L1 expression in cardiac transplantation.

Journal Article Cardiovasc Pathol · 2021 Programmed death-ligand 1 (PD-L1), a transmembrane protein and member of the CD28 T cell family is associated with lymphocyte activation.1 PD-L1 expression is upregulated on activated antigen presenting cells such as monocytes, myeloid and dendritic cells. ... Full text Link to item Cite

Treatment of Perioperative Ischemia, Infarction, and Ventricular Failure in Cardiac Surgery

Chapter · January 1, 2021 An increasing number of high-risk patients are undergoing cardiac surgery. Despite this trend, advances in surgical techniques, myocardial preservation, anesthesia, and perioperative care have resulted in reduced morbidity and mortality. Positive outcomes ... Full text Cite

The Role of Neoadjuvant Chemotherapy in Patients With Resectable Malignant Pleural Mesothelioma-An Institutional and National Analysis.

Journal Article J Natl Cancer Inst · November 1, 2020 BACKGROUND: There is no standard of care with respect to the use of neoadjuvant chemotherapy (NAC) in resectable malignant pleural mesothelioma (MPM). We performed an intention-to-treat analysis with data from a single institution and the National Cancer D ... Full text Link to item Cite

Cloud Computing for COVID-19: Lessons Learned From Massively Parallel Models of Ventilator Splitting.

Journal Article Computing in science & engineering · November 2020 A patient-specific airflow simulation was developed to help address the pressing need for an expansion of the ventilator capacity in response to the COVID-19 pandemic. The computational model provides guidance regarding how to split a ventilator between tw ... Full text Cite

Surgical infection prophylaxis prior to left ventricular assist device implantation: A survey of clinical practice.

Journal Article J Card Surg · October 2020 BACKGROUND: Short duration, antimicrobial prophylaxis that includes antistaphylococcal activity is recommended at the time of left ventricular assist device (LVAD) implantation to reduce infection-related complications. There continues to be wide variabili ... Full text Link to item Cite

Modeling early stage atherosclerosis in a primary human vascular microphysiological system.

Journal Article Nature communications · October 2020 Novel atherosclerosis models are needed to guide clinical therapy. Here, we report an in vitro model of early atherosclerosis by fabricating and perfusing multi-layer arteriole-scale human tissue-engineered blood vessels (TEBVs) by plastic compression. TEB ... Full text Cite

Failure to rescue in the era of the lung allocation score: The impact of center volume.

Journal Article American journal of surgery · September 2020 BackgroundFailure to Rescue (FTR) is a valuable surgical quality improvement metric. The aim of this study is to assess the relationship between center volume and FTR following lung transplantation.MethodsUsing the database of the United ... Full text Cite

Incidence and Prognostic Impact of Incomplete Revascularization Documented by Coronary Angiography 1 Year After Coronary Artery Bypass Grafting.

Journal Article The American journal of cardiology · September 2020 Complete revascularization (CR) at the time of coronary artery bypass graft (CABG) surgery improves long-term cardiac outcomes. No studies have previously reported angiographically confirmed CR rates post-CABG. This study's aim was to assess the impact upo ... Full text Cite

Cardiovascular Implantable Electronic Device Surgery Following Left Ventricular Assist Device Implantation.

Journal Article JACC Clin Electrophysiol · September 2020 OBJECTIVES: This study sought to determine the indications, characteristics, and outcomes of cardiovascular implantable electronic device (CIED) surgery in patients with LVAD. BACKGROUND: Many patients with a left ventricular assist device (LVAD) will requ ... Full text Link to item Cite

Rapid Ventilator Splitting During COVID-19 Pandemic Using 3D Printed Devices and Numerical Modeling of 200 Million Patient Specific Air Flow Scenarios.

Journal Article Res Sq · August 12, 2020 There has been a pressing need for an expansion of the ventilator capacity in response to the recent COVID19 pandemic. To address this need, we present a system to enable rapid and efficacious splitting between two or more patients with varying lung compli ... Full text Link to item Cite

The use of an inexpensive processing aid device (the Mouse PAD) to facilitate rodent tissue banking.

Journal Article Biotechniques · July 2020 The generation of an experimental animal model often requires considerable investment of both time and money. Typically, investigators are interested in specific organs and when experimental animals are euthanized, tissues that are not the focus of the res ... Full text Link to item Cite

Aortic valve repair with a newly approved geometric annuloplasty ring in patients undergoing proximal aortic repair: early results from a single-centre experience.

Journal Article Eur J Cardiothorac Surg · June 1, 2020 OBJECTIVES: Aortic insufficiency (AI) is common in patients with proximal aortic disease, but limited options exist to facilitate aortic valve repair (AVr) in this population. This study reports 'real-world' early results of AVr using newly FDA-approved tr ... Full text Link to item Cite

Lead Extraction for Cardiovascular Implantable Electronic Device Infection in Patients With Left Ventricular Assist Devices.

Journal Article JACC Clin Electrophysiol · June 2020 OBJECTIVES: The goal of this study was to assess the utility of transvenous lead extraction for cardiovascular implantable electronic device (CIED) infection in patients with a left ventricular assist device (LVAD). BACKGROUND: The use of transvenous lead ... Full text Link to item Cite

Variability in donor organ offer acceptance and lung transplantation survival.

Journal Article J Heart Lung Transplant · April 2020 BACKGROUND: Lung transplantation offers a survival benefit for patients with end-stage lung disease. When suitable donors are identified, centers must accept or decline the offer for a matched candidate on their waitlist. The degree to which variability in ... Full text Link to item Cite

Successful Gene Delivery to Cardiac Allograft with Adeno-Associated Viral Vector Using Ex Vivo Storage Perfusion Platform

Conference The Journal of heart and lung transplantation : the official publication of the International Society for Heart Transplantation · April 1, 2020 PURPOSE: Cardiac gene therapy remains limited by inefficient transgene delivery with currently available methods (intravenous infusion, transcatheter coronary artery infusion, direct myocardial injection). We previously demonstrated in a porcine heterotopi ... Full text Cite

Impact of Tricuspid Valve Repair for Moderate Tricuspid Regurgitation at the Time of Left Ventricular Assist Device Implantation on the Occurrence of Right Heart Failure

Conference The Journal of heart and lung transplantation : the official publication of the International Society for Heart Transplantation · April 1, 2020 PURPOSE: Significant tricuspid regurgitation (TR) in patients undergoing durable left ventricular assist device (LVAD) implantation has been associated with increased incidence of right heart failure (RHF). There is great surgical practice variability rela ... Full text Cite

The HeartMate 6.

Journal Article ASAIO J · March 2020 The need for biventricular support poses significant challenges for patients who require a mechanical bridge to transplantation. Recent improvements in ventricular assist device (VAD) technology has made possible the use of two centrifugal flow VADs as a t ... Full text Link to item Cite

Stroke risk following implantation of current generation centrifugal flow left ventricular assist devices.

Journal Article J Card Surg · February 2020 BACKGROUND AND AIM: Stroke remains a significant complication of left ventricular assist device (LVAD) therapy. We performed a single-center retrospective study evaluating patients undergoing first-time HeartWare HVAD (Medtronic Inc) or HeartMate 3 (Abbott ... Full text Link to item Cite

Durability and Efficacy of Tricuspid Valve Repair in Patients Undergoing Left Ventricular Assist Device Implantation.

Journal Article JACC Heart Fail · February 2020 OBJECTIVES: This study sought to determine the durability of tricuspid valve repair (TVr) performed concurrently with left ventricular assist device (LVAD) implantation and its association with the development of late right heart failure (RHF). BACKGROUND: ... Full text Open Access Link to item Cite

Failure to Rescue Contributes to Center-Level Differences in Mortality After Lung Transplantation.

Journal Article Ann Thorac Surg · January 2020 BACKGROUND: The clinical response to postoperative complications after lung transplantation (LTx) may contribute to mortality differences among transplantation centers. The ability to avoid mortality after a complication-failure to rescue (FTR)-may be an e ... Full text Link to item Cite

Pre- Versus Post-Procedure Health Care Resource Utilization in Patients Undergoing Commercial Transcatheter Mitral Valve Repair.

Journal Article JACC Cardiovasc Interv · December 9, 2019 OBJECTIVES: The aim of this study was to assess the real-world impact of transcatheter mitral valve repair (TMVR) on hospitalizations and Medicare costs pre- versus post-TMVR. BACKGROUND: TMVR is effective in degenerative mitral regurgitation (MR) and appr ... Full text Link to item Cite

Single lung transplantation in patients with severe secondary pulmonary hypertension.

Journal Article J Heart Lung Transplant · September 2019 BACKGROUND: The optimal transplant strategy for patients with end-stage lung disease complicated by secondary pulmonary hypertension (PH) is controversial. The aim of this study is to define the role of single lung transplantation in this population. METHO ... Full text Link to item Cite

Controlling axillary intra-aortic balloon pump inflation is a viable option for turning an acute heart failure patient into a chronic one.

Journal Article Artif Organs · July 2019 Intra-aortic balloon pump (IABP) is often used to support patients in decompensated heart failure. Placement of the IABP via the axillary artery facilitates long-term support with the device and may allow for the conversion of an acute heart failure (HF) p ... Full text Link to item Cite

Circulating mitochondria in organ donors promote allograft rejection.

Journal Article Am J Transplant · July 2019 The innate immune system is a critical regulator of the adaptive immune responses that lead to allograft rejection. It is increasingly recognized that endogenous molecules released from tissue injury and cell death are potent activators of innate immunity. ... Full text Link to item Cite

Outcomes After Extracorporeal Right Ventricular Assist Device Combined With Durable Left Ventricular Assist Device Support.

Journal Article Ann Thorac Surg · June 2019 BACKGROUND: Right heart failure occurs in 9% to 44% of left ventricular assist device (LVAD) implants, of which less than 10% require right ventricular assist device (RVAD) support either concurrently with the LVAD or staged, as a delayed procedure. We hav ... Full text Link to item Cite

A normothermic ex vivo organ perfusion delivery method for cardiac transplantation gene therapy.

Journal Article Sci Rep · May 29, 2019 Clinically, both percutaneous and surgical approaches to deliver viral vectors to the heart either have resulted in therapeutically inadequate levels of transgene expression or have raised safety concerns associated with extra-cardiac delivery. Recent deve ... Full text Link to item Cite

Tricuspid Valve Regurgitation Immediately After Heart Transplant and Long-Term Outcomes.

Journal Article Ann Thorac Surg · May 2019 BACKGROUND: Tricuspid valve regurgitation (TR) is a common finding immediately after cardiac transplantation. However, there is a scarcity of data regarding its implication if left untreated on long-term outcomes and the role of early surgical repair. METH ... Full text Link to item Cite

Outcomes of Laparoscopic Cholecystectomy in Patients Supported with a Left Ventricular Assist Device.

Journal Article J Laparoendosc Adv Surg Tech A · April 2019 BACKGROUND: An increasing number of end-stage heart failure patients are supported with left ventricular assist device (LVAD) implantation and must be maintained on consistent anticoagulation. These patients are experiencing prolonged survival and, in some ... Full text Link to item Cite

Clinical and Angiographic Predictors of Patient-Reported Angina 1 Year After Coronary Artery Bypass Graft Surgery.

Journal Article Circulation. Cardiovascular quality and outcomes · April 2019 BackgroundStudies of the relationship between patient self-reported angina symptoms using the Seattle Angina Questionnaire (SAQ) and angiographic findings after coronary artery bypass grafting surgery (CABG) are lacking. Nested within a randomized ... Full text Cite

Outcomes of carotid-subclavian bypass performed in the setting of thoracic endovascular aortic repair.

Journal Article J Vasc Surg · March 2019 BACKGROUND: Subclavian artery revascularization is frequently performed in the setting of thoracic endovascular aortic repair (TEVAR). However, there is little information on the short- and long-term outcomes of patients undergoing carotid to subclavian ar ... Full text Link to item Cite

Implications of declining donor offers with increased risk of disease transmission on waiting list survival in lung transplantation.

Journal Article J Heart Lung Transplant · March 2019 BACKGROUND: Donors with characteristics that may increase the likelihood of disease transmission with transplantation are noted as increased risk via Public Health Service criteria. This study aimed to establish the implications of declining an increased-r ... Full text Link to item Cite

Costs Five Years After Off-Pump or On-Pump Coronary Artery Bypass Surgery.

Journal Article The Annals of thoracic surgery · January 2019 BackgroundCoronary artery bypass grafting (CABG) is a common surgical treatment for ischemic heart disease. Little is known about the long-term costs of conducting the surgery on-pump or off-pump.MethodsAs part of the Randomized On/Off By ... Full text Cite

Off-Pump Versus On-Pump Impact: Diabetic Patient 5-Year Coronary Artery Bypass Clinical Outcomes.

Journal Article The Annals of thoracic surgery · January 2019 BackgroundFor diabetic patients who require coronary artery bypass graft (CABG) operation, controversy persists whether an off-pump or an on-pump approach may be advantageous. This US-based, multicenter, randomized, controlled trial, Department of ... Full text Cite

Implications of blood group on lung transplantation rates: A propensity-matched registry analysis.

Journal Article J Heart Lung Transplant · January 2019 BACKGROUND: Blood type O lung allografts may be allocated to blood type identical (type O) or compatible (non-O) candidates. We tested the hypothesis that the current organ allocation schema in the United States-based on the Lung Allocation Score-prejudice ... Full text Link to item Cite

Extracellular Mitochondrial DNA and N-Formyl Peptides in Trauma and Critical Illness: A Systematic Review.

Journal Article Crit Care Med · December 2018 OBJECTIVES: Extracellular mitochondrial DNA and N-formyl peptides released following tissue damage may contribute to systemic inflammation through stimulation of the innate immune system. In this review, we evaluate existing in vivo human data regarding a ... Full text Link to item Cite

The Perioperative Management of Ascending Aortic Dissection.

Journal Article Anesth Analg · December 2018 Acute aortic syndromes are a distinct group of pathologies involving the wall of the aorta that present acutely and can be potentially fatal unless treated in a timely fashion. The syndrome is dominated by aortic dissections, which comprise ≥95% of all suc ... Full text Link to item Cite

Mitochondria Released by Apoptotic Cell Death Initiate Innate Immune Responses.

Journal Article Immunohorizons · December 2018 In solid organ transplantation, cell death arising from ischemia/reperfusion leads to the release of several damage-associated molecular patterns derived from mitochondria. Mitochondrial damage-associated molecular patterns (mtDAMPs) initiate proinflammato ... Full text Link to item Cite

Outcomes of Planned Two-Stage Hybrid Aortic Repair With Dacron-Replaced Proximal Landing Zone.

Journal Article Ann Thorac Surg · October 2018 BACKGROUND: Results of hybrid arch repair (HAR) using the native zone 0 proximal landing zone (PLZ) have been unsatisfactory in many series, especially in the setting of ascending aortic dilation (>4.0 cm). This study reports early and late outcomes of pla ... Full text Link to item Cite

Management of Patients With Left Ventricular Assist Devices Requiring Teeth Extraction: Is Halting Anticoagulation Appropriate?

Journal Article J Oral Maxillofac Surg · September 2018 PURPOSE: An increasing number of patients with end-stage heart failure are supported with left ventricular assist device (LVAD) implantation and must be maintained on a consistent anticoagulation regimen. Pre-emptive extraction of carious teeth in these pa ... Full text Link to item Cite

Is Functional Independence Associated With Improved Long-Term Survival After Lung Transplantation?

Journal Article Ann Thorac Surg · July 2018 BACKGROUND: Existing research demonstrates superior short-term outcomes (length of stay, 1-year survival) after lung transplantation in patients with preoperative functional independence. The aim of this study was to determine whether advantages remain sig ... Full text Link to item Cite

Risk factors for stroke on left ventricular assist devices.

Journal Article J Card Surg · June 2018 BACKGROUND: Patients with end-stage heart failure on left ventricular assist devices (LVADs) are predisposed to a high incidence of stroke. Preoperative factors associated with increased stroke risk are poorly understood. METHODS: We performed a single-cen ... Full text Link to item Cite

Use of Two Intracorporeal Ventricular Assist Devices As a Total Artificial Heart.

Journal Article J Vis Exp · May 11, 2018 Featured Publication Mechanical circulatory support (MCS) has been introduced as a viable alternative to heart transplantation primarily through the use of intracorporeal ventricular assist devices (VADs) for support of the left ventricle. However, certain clinical scenarios w ... Full text Link to item Cite

Single- Versus Multicenter Surgeons' Risk-Adjusted Coronary Artery Bypass Graft Procedural Outcomes.

Journal Article Ann Thorac Surg · May 2018 Featured Publication BACKGROUND: Since 2010, 460+ hospital mergers have occurred in the United States, rerouting historical coronary artery bypass graft (CABG) referral patterns. The goals of this study were: (1) to compare risk-adjusted CABG outcomes between single-center ver ... Full text Link to item Cite

Preoperative factors associated with worsening in health-related quality of life following coronary artery bypass grafting in the Randomized On/Off Bypass (ROOBY) trial.

Journal Article American heart journal · April 2018 For advanced coronary disease, coronary artery bypass graft (CABG) surgery generally improves patients' symptoms and long-term survival. Unfortunately, some patients experience worse health-related quality of life (HRQL) after CABG. The objective of this s ... Full text Cite

Single Lung Transplantation in Patients with Severe Secondary Pulmonary Hypertension

Conference The Journal of Heart and Lung Transplantation · April 2018 Full text Cite

Bridging silos: Taking a page from the Alzheimer playbook.

Journal Article The Journal of thoracic and cardiovascular surgery · March 2018 Full text Cite

Comparison of Outcomes and Costs Associated With Aspirin ± Clopidogrel After Coronary Artery Bypass Grafting.

Journal Article The American journal of cardiology · March 2018 Optimal antiplatelet therapy after coronary artery bypass graft (CABG) surgery remains controversial. This study evaluated the role of dual antiplatelet therapy using aspirin and clopidogrel (DAPT) versus antiplatelet therapy using aspirin only (ASA) on po ... Full text Cite

ECHOCARDIOGRAPHIC MEASUREMENT OF CARDIAC TWIST: A SYSTEMATIC REVIEW AND META-ANALYSIS

Conference Journal of the American College of Cardiology · March 2018 Full text Cite

Surgical predictive planning using 3D printing

Chapter · January 1, 2018 Cardiovascular outcomes, either through percutaneous therapy or surgical intervention, have seen tremendous improvements over the past decade, primarily through the enhanced ability to risk stratify patients pre- or postprocedurally. Furthermore, 3D printi ... Full text Cite

Concordance between administrative data and clinical review for mortality in the randomized on/off bypass follow-up study (ROOBY-FS).

Journal Article Journal of cardiac surgery · December 2017 BackgroundThe optimal methodology to identify cardiac versus non-cardiac cause of death following cardiac surgery has not been determined.MethodsThe Randomized On/Off Bypass Trial was a multicenter, randomized, controlled clinical trial o ... Full text Cite

Left Atrial Appendage Membrane in a Patient Presenting with Stroke.

Journal Article CASE (Phila) · October 2017 • LAA membranes are a rare abnormality of the LAA. • Left-sided cardiac myxomas may be associated with LAA membranes. • Comprehensive perioperative TEE should be performed in cardiac surgery. ... Full text Link to item Cite

Five-Year Outcomes after On-Pump and Off-Pump Coronary-Artery Bypass.

Journal Article The New England journal of medicine · August 2017 BackgroundCoronary-artery bypass grafting (CABG) surgery may be performed either with cardiopulmonary bypass (on pump) or without cardiopulmonary bypass (off pump). We report the 5-year clinical outcomes in patients who had been included in the Ve ... Full text Cite

Mechanochemical ablation for symptomatic great saphenous vein reflux: A two-year follow-up.

Journal Article Phlebology · February 2017 Background Several studies have shown comparable early efficacy of mechanochemical ablation to endothermal techniques. The goal of this report was to show if early efficacy is maintained at 24 months. Methods This was a two-year analysis on the efficacy of ... Full text Cite

Medication Nonadherence After Lung Transplantation in Adult Recipients.

Journal Article Ann Thorac Surg · January 2017 BACKGROUND: Our objective was to identify potential avenues for resource allocation and patient advocacy to improve outcomes by evaluating the association between recipient sociodemographic and patient characteristics and medication nonadherence after lung ... Full text Link to item Cite

Concomitant Thoracic Aortobifemoral Bypass With Left Ventricular Assist Device Implantation.

Journal Article Ann Thorac Surg · November 2016 Improved quality of life for patients after left ventricular assist device (LVAD) implantation can be greatly limited by peripheral vascular disease even if heart failure symptoms are resolved by LVAD support. We present a case of concomitant thoracic aort ... Full text Link to item Cite

Recurrence of rectal prolapse following rectopexy: a pooled analysis of 532 patients.

Conference Colorectal disease : the official journal of the Association of Coloproctology of Great Britain and Ireland · August 2016 AimThe study was designed to address the unanswered question of the influence of the extent of rectal mobilization, the type of rectal fixation and the surgical access (open vs laparoscopic) on recurrence rates following abdominal surgery for full ... Full text Cite

Are Prophylactic Postoperative Antibiotics Necessary for Immediate Breast Reconstruction? Results of a Prospective Randomized Clinical Trial.

Journal Article J Am Coll Surg · June 2016 BACKGROUND: Closed-suction drains, implants, and acellular dermal matrix (ADM) are routinely used in tissue expander-based immediate breast reconstruction (TE-IBR). Each of these factors is thought to increase the potential for surgical site infection (SSI ... Full text Link to item Cite

Incidence and Outcomes After Stroke on Rotary Flow Ventricular Assist Device Support

Conference The Journal of Heart and Lung Transplantation · April 2016 Full text Cite

Resident versus attending surgeon graft patency and clinical outcomes in on- versus off-pump coronary artery bypass surgery.

Conference The Journal of thoracic and cardiovascular surgery · December 2015 ObjectiveControversy exists regarding ideal approaches in teaching residents complex and/or new surgical techniques in part because consequences on patient outcomes are largely unknown. This study compared patient outcomes for cases in which resid ... Full text Cite

Surveillance of moderate-size aneurysms of the thoracic aorta.

Journal Article Journal of cardiothoracic surgery · February 2015 BackgroundThere are no evidence based guidelines for the surveillance of patients with moderate-sized (<5 cm) thoracic aortic aneurysms (MTAA), who do not warrant surgical intervention. The purpose of this study was to review the MTAA patient surv ... Full text Cite

Postoperative atrial fibrillation impacts on costs and one-year clinical outcomes: the Veterans Affairs Randomized On/Off Bypass Trial.

Journal Article The Annals of thoracic surgery · January 2015 BackgroundNew-onset postoperative atrial fibrillation (POAF) after coronary artery bypass graft surgery (CABG) is associated with worse in-hospital morbidity and mortality, extended hospital stays, and higher costs. Beyond the initial hospital dis ... Full text Cite

Surgeon judgment and utility of transit time flow probes in coronary artery bypass grafting surgery.

Journal Article JAMA surgery · November 2014 ImportanceTransit time flow (TTF) probes may be useful for predicting long-term graft patency and assessing grafts intraoperatively in patients undergoing coronary artery bypass grafting (CABG); however, studies of TTF probe use are limited.Ob ... Full text Cite

Oxidative stress and nerve function after cardiopulmonary bypass in patients with diabetes.

Journal Article The Annals of thoracic surgery · November 2014 BackgroundChronic hyperglycemia has been associated with increased oxidative stress in skeletal muscle and sympathetic nerve dysfunction. We investigated the effect of chronic hyperglycemia on the myocardium of patients with uncontrolled diabetes ... Full text Cite

Close, but no cigar.

Journal Article Techniques in coloproctology · September 2014 Full text Cite

Comparing off-pump and on-pump clinical outcomes and costs for diabetic cardiac surgery patients.

Conference The Annals of thoracic surgery · July 2014 BackgroundObservational studies have documented an off-pump over on-pump advantage for high-risk patients, including diabetic patients. Randomized trials have not confirmed this advantage. The VA Randomization On Versus Off Bypass (ROOBY) trial ra ... Full text Cite

Simulated transanal NOTES sigmoidectomy training improves the responsiveness of surgical endoscopists.

Journal Article Gastrointestinal endoscopy · July 2014 BackgroundThere is no evidence demonstrating the feasibility of colorectal natural orifice transluminal endoscopic surgery (NOTES) resection with currently available endoscopic instrumentation.ObjectiveThis study aimed to evaluate the res ... Full text Cite

Mechanochemical ablation in patients with chronic venous disease: a prospective multicenter report.

Journal Article Phlebology · July 2014 BackgroundThere are several endovenous methods to ablate the saphenous vein, all of which require tumescent anesthesia. This report was designed to evaluate the efficacy of a tumescent-free technique using mechanochemical ablation (MOCA).Metho ... Full text Cite

Great saphenous vein stump thrombosis after harvesting for coronary artery bypass graft surgery.

Journal Article Phlebology · May 2014 ObjectivesTo determine the rate of superficial venous thrombosis in patients undergoing great saphenous vein (GSV) harvesting for coronary artery bypass surgery (CABG).MethodsPost-CABG patients with suspected lower-extremity thrombosis un ... Full text Cite

Surgical site infection rates: open versus hand-assisted colorectal resections.

Conference Techniques in coloproctology · April 2014 PurposeThis study was performed to determine impact of open and hand-assisted colorectal resection on surgical site infection (SSI) rates.MethodsNational Surgical Quality Improvement Project data from 2006 to 2008 were supplemented with a ... Full text Cite

A systematic review of infection rates and associated antibiotic duration in acellular dermal matrix breast reconstruction.

Journal Article Eplasty · January 2014 IntroductionReported infection rates in breast reconstruction with acellular dermal matrix (ADM) can exceed 31%. Prophylactic antibiotics remain controversial due to the absence of evidence-based literature. The purpose of this study was to examin ... Cite

Chronic obstructive pulmonary disease impact upon outcomes: the veterans affairs randomized on/off bypass trial.

Journal Article The Annals of thoracic surgery · October 2013 BackgroundPatients with chronic obstructive pulmonary disease (COPD) are at inherent risk for higher rates of adverse events after coronary artery bypass graft surgery (CABG). As compared with on-pump CABG (ONCAB), it has been suggested that beati ... Full text Cite

Intracorporeal ileocolic anastomosis: a review.

Journal Article Techniques in coloproctology · October 2013 This study is a narrative review of the current literature regarding intracorporeal ileocolic anastomosis in laparoscopic right colon resection for benign or malignant diseases of the right colon and terminal ileum. The search strategy included Medline, Em ... Full text Cite

Severity of emphysema predicts location of lung cancer and 5-y survival of patients with stage I non-small cell lung cancer.

Journal Article The Journal of surgical research · September 2013 BackgroundNon-small cell lung cancer (NSCLC) has a predilection to occur in emphysematous lungs. The relation between the regional severity of emphysema and the location of NSCLC as well as long-term survival has been poorly studied.Methods Full text Cite

On-pump versus off-pump coronary artery bypass surgery: cost-effectiveness analysis alongside a multisite trial.

Conference The Annals of thoracic surgery · September 2013 BackgroundQuestions have been raised about the costs and outcomes for patients receiving on-pump and off-pump coronary artery bypass graft surgery. As part of the Department of Veterans Affairs Randomized On/Off Bypass (ROOBY) multisite trial, a c ... Full text Cite

Impact of lipid-lowering medications and low-density lipoprotein levels on 1-year clinical outcomes after coronary artery bypass grafting.

Journal Article Journal of the American College of Surgeons · September 2013 BackgroundStudies investigating lipid-lowering medication (LLM) use and LDL levels in coronary artery bypass grafting patients are limited.Study designThe Veterans Affairs Randomized On/Off Bypass Trial's patient records were analyzed for ... Full text Cite

The impact of intravenous fluid administration on complication rates in bowel surgery within an enhanced recovery protocol: a randomized controlled trial.

Journal Article Colorectal disease : the official journal of the Association of Coloproctology of Great Britain and Ireland · July 2013 AimA randomized controlled trial was conducted to test the hypothesis that there is no difference in complications in patients receiving intravenous (iv) water and electrolyte, based on either stroke volume or clinical indicators at bowel surgery. ... Full text Cite

FDG-PET imaging in patients with pulmonary carcinoid tumor.

Journal Article Clinical nuclear medicine · July 2013 PurposeThis study aimed to assess the imaging findings in patients with pathologically proven carcinoid tumors and determine if SUV can help to differentiate typical from atypical (more aggressive) pulmonary carcinoid tumors.Patients and metho ... Full text Cite

Changes in health-related quality of life in off-pump versus on-pump cardiac surgery: Veterans Affairs Randomized On/Off Bypass trial.

Journal Article The Annals of thoracic surgery · June 2013 BackgroundThe relative benefits of performing coronary artery bypass graft surgery off-pump versus on-pump continue to be debated. A critical, patient-centered outcome is health-related quality of life; yet there has been limited evaluation in lar ... Full text Cite

Long-term follow-up assessment of a phase 1 trial of angiogenic gene therapy using direct intramyocardial administration of an adenoviral vector expressing the VEGF121 cDNA for the treatment of diffuse coronary artery disease.

Journal Article Human gene therapy · February 2013 On the basis of studies in experimental animals demonstrating that AdVEGF121, an E1(-)E3(-) serotype 5 adenovirus coding the 121 isoform of vascular endothelial growth factor (VEGF), could mediate the generation of new blood vessels and reverse coronary is ... Full text Cite

A systematic review of antibiotic use and infection in breast reconstruction: what is the evidence?

Conference Plast Reconstr Surg · January 2013 BACKGROUND: The literature reports overall complication rates in breast reconstruction to be as high as 60 percent. Infection rates can exceed 20 percent, much higher than anticipated in clean elective surgery. There is no consensus among surgeons regardin ... Full text Link to item Cite

Subjective rating of cosmetic treatment with botulinum toxin type A: do existing measures demonstrate interobserver validity?

Conference Ann Plast Surg · October 2012 BACKGROUND: Throughout the literature, investigators have assessed the cosmetic efficacy of botulinum toxin (BT) treatment by using various subjective, qualitative measures, including the Facial Wrinkle Scale (FWS) and Subject Global Assessment (SGA). The ... Full text Link to item Cite

Factors influencing postoperative adverse events after Hartmann's reversal.

Journal Article Colorectal disease : the official journal of the Association of Coloproctology of Great Britain and Ireland · March 2012 AimThe study was performed to evaluate factors influencing postoperative adverse events after Hartmann's reversal (HR).MethodThis was a retrospective study of unselected patients who underwent HR after the Hartmann's procedure (HP) for le ... Full text Cite

Pulmonary function testing after stereotactic body radiotherapy to the lung.

Journal Article International journal of radiation oncology, biology, physics · January 2012 PurposeSurgical resection remains the standard of care for operable early-stage non-small-cell lung cancer (NSCLC). However, some patients are not fit for surgery because of comorbidites such as chronic obstructive pulmonary disease (COPD) and oth ... Full text Cite

Colonoscopic injection for murine solid cecal cancer model.

Journal Article Surgical endoscopy · September 2011 BackgroundThe validity of current animal colon cancer models is questionable. This study was performed to evaluate whether colonoscopic injection of a murine colon cancer cell line into the cecal wall of immunocompetent rats leads to a solid tumor ... Full text Cite

The Effect Of Stereotactic Body Radiotherapy On Tumor Size And Local Control Of Early Stage NSCLC

Journal Article AMERICAN JOURNAL OF RESPIRATORY AND CRITICAL CARE MEDICINE · January 1, 2011 Link to item Cite

Severity of Emphysema Predicts Location of Lung Cancer

Journal Article AMERICAN JOURNAL OF RESPIRATORY AND CRITICAL CARE MEDICINE · January 1, 2010 Link to item Cite