Han Woong Kim

Journal Article J Cardiovasc Magn Reson · July 4, 2024 BACKGROUND: Cardiovascular magnetic resonance (CMR) is increasingly utilized to evaluate expanding cardiovascular conditions. The Society for Cardiovascular Magnetic Resonance (SCMR) Registry is a central repository for real-world clinical data to support ... Full text Link to item Cite

Sacubitril/valsartan and cardiovascular biomarkers among patients with recent COVID-19 infection: The PARACOR-19 randomized clinical trial.

Journal Article Eur J Heart Fail · June 2024 AIMS: The PARACOR-19 randomized controlled trial (RCT) was designed to examine the effects of sacubitril/valsartan on markers of cardiac injury, inflammation, structure, and function among patients who have recovered from acute coronavirus disease 2019 (CO ... Full text Link to item Cite

Incidence and Predictors of Relapse After Weaning Immune Suppressive Therapy in Cardiac Sarcoidosis.

Journal Article Am J Cardiol · October 1, 2023 Cardiac sarcoidosis (CS) is a relapsing-remitting disease, and immune suppression (IS) is the mainstay of therapy. Predictors of relapse for patients with CS in remission are not well characterized. We assessed incidence of relapse in consecutive patients ... Full text Link to item Cite

The association with organ procurement techniques and early cardiac transplant outcomes using cardiac MRI.

Journal Article Clin Transplant · May 2023 BACKGROUND: Heart transplantation (HT) has historically been limited by organ availability. Use of donation after circulatory death (DCD) donors addresses this limitation by utilizing previously unused hearts through use of the Organ Care System (OCS). OBJ ... Full text Link to item Cite

Revisiting how we perform late gadolinium enhancement CMR: insights gleaned over 25 years of clinical practice.

Journal Article J Cardiovasc Magn Reson · March 16, 2023 Full text Link to item Cite

Native T1 Mapping for the Diagnosis of Myocardial Fibrosis in Patients With Chronic Myocardial Infarction.

Journal Article JACC Cardiovasc Imaging · December 2022 BACKGROUND: Myocardial fibrosis is a fundamental process in cardiac injury. Cardiac magnetic resonance native T1 mapping has been proposed for diagnosing myocardial fibrosis without the need for gadolinium contrast. However, recent studies suggest that T1 ... Full text Link to item Cite

Assessment of Papillary Muscle Infarction with Dark-Blood Delayed Enhancement Cardiac MRI in Canines and Humans.

Journal Article Radiology · November 2022 Background The relationship between papillary muscle infarction (papMI) and the culprit coronary lesion has not been fully investigated. Delayed enhancement cardiac MRI may detect papMI, yet its accuracy is unknown. Flow-independent dark-blood delayed enha ... Full text Link to item Cite

Assessment of myocardial lipomatous metaplasia using an optimized out-of-phase cine steady-state free-precession sequence: Validation and clinical implementation.

Journal Article NMR Biomed · October 2022 Myocardial lipomatous metaplasia, which can serve as substrate for ventricular arrhythmias, is usually composed of regions in which there is an admixture of fat and nonfat tissue. Although dedicated sequences for the detection of fat are available, it woul ... Full text Link to item Cite

Society for Cardiovascular Magnetic Resonance 2021 cases of SCMR and COVID-19 case collection series.

Journal Article J Cardiovasc Magn Reson · July 4, 2022 The Society for Cardiovascular Magnetic Resonance (SCMR) is an international society focused on the research, education, and clinical application of cardiovascular magnetic resonance (CMR). "Cases of SCMR" is a case series hosted on the SCMR website ( http ... Full text Link to item Cite

Myocardial Contractile Mechanics in Ischemic Mitral Regurgitation: Multicenter Data Using Stress Perfusion Cardiovascular Magnetic Resonance.

Journal Article JACC Cardiovasc Imaging · July 2022 BACKGROUND: Left ventricular (LV) ischemia has been variably associated with functional mitral regurgitation (FMR). Determinants of FMR in patients with ischemia are poorly understood. OBJECTIVES: This study sought to test whether contractile mechanics in ... Full text Link to item Cite

Cardiovascular magnetic resonance imaging in suspected cardiac tumour: a multicentre outcomes study.

Journal Article European heart journal · December 2021 AimsCardiovascular magnetic resonance (CMR) imaging is a key diagnostic tool for the evaluation of patients with suspected cardiac tumours. Patient management is guided by the CMR diagnosis, including no further testing if a mass is excluded or if ... Full text Cite

Society for Cardiovascular Magnetic Resonance 2020 Case of the Week series.

Journal Article J Cardiovasc Magn Reson · October 11, 2021 The Society for Cardiovascular Magnetic Resonance (SCMR) is an international society focused on the research, education, and clinical application of cardiovascular magnetic resonance (CMR). Case of the week is a case series hosted on the SCMR website ( htt ... Full text Open Access Link to item Cite

Patients With Acute Myocarditis Following mRNA COVID-19 Vaccination.

Journal Article JAMA Cardiol · October 1, 2021 IMPORTANCE: Vaccine-associated myocarditis is an unusual entity that has been described for the smallpox vaccine, but only anecdotal case reports have been described for other vaccines. Whether COVID-19 vaccination may be linked to the occurrence of myocar ... Full text Link to item Cite

Double spectral attenuated inversion recovery (DSPAIR)-an efficient fat suppression technique for late gadolinium enhancement at 3 tesla.

Journal Article NMR Biomed · October 2021 Despite clinical use of late gadolinium enhancement (LGE) for two decades, an efficient, robust fat suppression (FS) technique still does not exist for this CMR mainstay. In ischemic and non-ischemic heart disease, differentiating fibrotic tissue from infi ... Full text Link to item Cite

ECG-gated MR angiography provides better reproducibility for standard aortic measurements.

Journal Article Eur Radiol · July 2021 OBJECTIVE: Cardiac motion and aortic pulsatility can affect the image quality of 3D contrast-enhanced MR angiography (CE-MRA). The addition of ECG gating improves image quality; however, no studies have directly linked image quality improvements to clinica ... Full text Link to item Cite

Progression of Myocardial Fibrosis in Nonischemic DCM and Association With Mortality and Heart Failure Outcomes.

Journal Article JACC Cardiovasc Imaging · July 2021 OBJECTIVES: The purpose of this study was to assess whether the presence and extent of fibrosis changes over time in patients with nonischemic, dilated cardiomyopathy (DCM) receiving optimal medical therapy and the implications of any such changes on left ... Full text Link to item Cite

T1 Mapping in Patients With Nonischemic Cardiomyopathy Undergoing Catheter Ablation: Moving Beyond Late Gadolinium Enhancement.

Journal Article JACC Clin Electrophysiol · July 2021 Full text Link to item Cite

Quality assurance of quantitative cardiac T1-mapping in multicenter clinical trials - A T1 phantom program from the hypertrophic cardiomyopathy registry (HCMR) study.

Journal Article Int J Cardiol · May 1, 2021 BACKGROUND: Quantitative cardiovascular magnetic resonance T1-mapping is increasingly used for myocardial tissue characterization. However, the lack of standardization limits direct comparability between centers and wider roll-out for clinical use or trial ... Full text Link to item Cite

Ablation of Ventricular Tachycardia Storm With Coronary Venous Ethanol.

Journal Article JACC Clin Electrophysiol · May 2021 Full text Link to item Cite

Ischemia-Mediated Dysfunction in Subpapillary Myocardium as a Marker of Functional Mitral Regurgitation.

Journal Article JACC Cardiovasc Imaging · April 2021 OBJECTIVES: The goal of this study was to test whether ischemia-mediated contractile dysfunction underlying the mitral valve affects functional mitral regurgitation (FMR) and the prognostic impact of FMR. BACKGROUND: FMR results from left ventricular (LV) ... Full text Link to item Cite

Epicardial Surface Area of Infarction: A Stable Surrogate of Microvascular Obstruction in Acute Myocardial Infarction.

Journal Article Circ Cardiovasc Imaging · February 2021 BACKGROUND: Microvascular obstruction (MO) is a pathophysiologic complication of acute myocardial infarction that portends poor prognosis; however, it is transient and disappears with infarct healing. Much remains unknown regarding its pathophysiology and ... Full text Link to item Cite

Comparison of magnetization transfer-preparation and T2-preparation for dark-blood delayed-enhancement imaging.

Journal Article NMR Biomed · November 2020 Recently developed dark-blood techniques such as Flow-Independent Dark-blood DeLayed Enhancement (FIDDLE) allow simultaneous visualization of tissue contrast-enhancement and blood-pool suppression. Critical to FIDDLE is the magnetization preparation, which ... Full text Link to item Cite

Rare aortic arch anomaly identified by CMR in patient with Klippel-Feil syndrome

Journal Article Society of Cardiovascular Magnetic Resonance · May 2020 Link to item Cite

Prognostic Implications of Mitral Annular Plane Systolic Excursion in Patients with Hypertension and a Clinical Indication for Cardiac Magnetic Resonance Imaging: A Multicenter Study.

Journal Article JACC Cardiovasc Imaging · September 2019 OBJECTIVES: This study sought to evaluate the prognostic value of cardiac magnetic resonance (CMR)-derived mitral annular plane systolic excursion (MAPSE) in a large multicenter population of patients with hypertension. BACKGROUND: In patients with hyperte ... Full text Link to item Cite

Prognostic Value of Vasodilator Stress Cardiac Magnetic Resonance Imaging: A Multicenter Study With 48 000 Patient-Years of Follow-up.

Journal Article JAMA Cardiol · March 1, 2019 IMPORTANCE: Stress cardiac magnetic resonance imaging (CMR) is not widely used in current clinical practice, and its ability to predict patient mortality is unknown. OBJECTIVE: To determine whether stress CMR is associated with patient mortality. DESIGN, S ... Full text Link to item Cite

Dark-Blood Delayed Enhancement Cardiac Magnetic Resonance of Myocardial Infarction.

Journal Article JACC Cardiovasc Imaging · December 2018 OBJECTIVES: This study introduced and validated a novel flow-independent delayed enhancement technique that shows hyperenhanced myocardium while simultaneously suppressing blood-pool signal. BACKGROUND: The diagnosis and assessment of myocardial infarction ... Full text Open Access Link to item Cite

Feature-Tracking Global Longitudinal Strain Predicts Death in a Multicenter Population of Patients With Ischemic and Nonischemic Dilated Cardiomyopathy Incremental to Ejection Fraction and Late Gadolinium Enhancement.

Journal Article JACC Cardiovasc Imaging · October 2018 OBJECTIVES: The aim of this study was to evaluate the prognostic value of cardiac magnetic resonance (CMR) feature-tracking-derived global longitudinal strain (GLS) in a large multicenter population of patients with ischemic and nonischemic dilated cardiom ... Full text Link to item Cite

Unexpected Cardiac MRI Findings in Patients Presenting to the Emergency Department for Possible Acute Coronary Syndrome.

Journal Article Crit Pathw Cardiol · September 2018 BACKGROUND: Stress cardiac magnetic resonance imaging (CMR) has become increasingly used in patients presenting to the emergency department (ED) with symptoms concerning for acute coronary syndrome (ACS). We hypothesized that CMR detects a number of altern ... Full text Open Access Link to item Cite

Left Ventricular Long-Axis Function Assessed with Cardiac Cine MR Imaging Is an Independent Predictor of All-Cause Mortality in Patients with Reduced Ejection Fraction: A Multicenter Study.

Journal Article Radiology · February 2018 Purpose To evaluate the prognostic value of a simple index of left ventricular (LV) long-axis function-lateral mitral annular plane systolic excursion (MAPSE)-in a large multicenter population of patients with reduced ejection fraction (EF) who were underg ... Full text Link to item Cite

Intracardiac Echinococcal Cyst Causing Biventricular Cavity Obliteration.

Journal Article Circ Heart Fail · February 2018 Full text Link to item Cite

Prognostic Implications of Cardiac Magnetic Resonance Imaging Derived Mitral Annular Plane Systolic Excursion in Hypertensive Patients With Preserved Ejection Fraction: A Multicenter Study

Conference CIRCULATION · 2018 Cite

Suppression of ghost artifacts arising from long T1 species in segmented inversion-recovery imaging.

Journal Article Magn Reson Med · October 2017 PURPOSE: We demonstrate an improved segmented inversion-recovery sequence that suppresses ghost artifacts arising from tissues with long T1 ( > 1.5 s). THEORY AND METHODS: Long T1 species such as pericardial fluid can create bright ghost artifacts in segme ... Full text Link to item Cite

The Prevalence, Correlates, and Impact on Cardiac Mortality of Right Ventricular Dysfunction in Nonischemic Cardiomyopathy.

Journal Article JACC. Cardiovascular imaging · October 2017 ObjectivesThis study sought to determine the prevalence, correlates, and impact on cardiac mortality of right ventricular (RV) dysfunction in nonischemic cardiomyopathy.BackgroundCurrent heart failure guidelines place little emphasis on R ... Full text Cite

105 Unexpected Cardiac Magnetic Resonance Imaging Findings in Patients Presenting to the Emergency Department for Potential Acute Coronary Syndrome

Conference Annals of Emergency Medicine · October 2017 Full text Cite

Sources of variability in quantification of cardiovascular magnetic resonance infarct size - reproducibility among three core laboratories.

Journal Article J Cardiovasc Magn Reson · August 11, 2017 BACKGROUND: Acute myocardial infarct (AMI) size depicted by late gadolinium enhancement cardiovascular magnetic resonance (CMR) is increasingly used as an efficacy endpoint in randomized trials comparing AMI therapies. Infarct size is quantified using manu ... Full text Open Access Link to item Cite

Association of Feature-Tracking Cardiac Magnetic Resonance Imaging Left Ventricular Global Longitudinal Strain With All-Cause Mortality in Patients With Reduced Left Ventricular Ejection Fraction.

Journal Article Circulation · June 6, 2017 Full text Link to item Cite

Imaging Surveillance After Proximal Aortic Operations: Is it Necessary?

Journal Article Ann Thorac Surg · March 2017 BACKGROUND: Current guidelines for imaging surveillance after proximal aortic repair are not evidence based. This study sought to characterize the incidence and causes of reintervention after proximal aortic operations to provide data to guide the frequenc ... Full text Link to item Cite

Left Ventricular Long Axis Function Assessed During Routine Cine-Cardiac Magnetic Resonance Imaging is an Independent Predictor of Mortality in Patients With Reduced Ejection Fraction: A Multicenter Study

Conference CIRCULATION · November 11, 2016 Link to item Cite

Prognostic Value of Myocardial Damage in Patients With Sarcoidosis: Is Cardiac Magnetic Resonance What We Need?

Journal Article Circ Cardiovasc Imaging · September 2016 Full text Link to item Cite