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  1. Article

    Open Access

    Predictors of change in functional health status in adults with repaired tetralogy of Fallot

    Jimmy C Lu, Sunkyung Yu, Ray Lowery in Journal of Cardiovascular Magnetic Resonan… (2016)

  2. No Access

    Article

    Predictors of Change in Functional Health Status in Adults with Repaired Tetralogy of Fallot

    Left ventricular (LV) ejection fraction (EF) and right ventricular (RV) ejection fraction by cardiovascular magnetic resonance (CMR) are associated with functional health status in patients with repaired tetra...

    Jimmy C. Lu, Sunkyung Yu, Ray Lowery, Janaki Sagi, Amanda C. Delong in Pediatric Cardiology (2016)

  3. No Access

    Article

    Predictors of missed appointments in patients referred for congenital or pediatric cardiac magnetic resonance

    Congenital cardiac magnetic resonance is a limited resource because of scanner and physician availability. Missed appointments decrease scheduling efficiency, have financial implications and represent missed c...

    Jimmy C . Lu, Ray Lowery, Sunkyung Yu, Maryam Ghadimi Mahani in Pediatric Radiology (2017)

  4. No Access

    Article

    Routine Septal Myectomy During Subaortic Stenosis Membrane Resection: Effect on Recurrence Rates

    Recurrence of subaortic stenosis (SubAS) is up to ~ 19% following resection. Historically, treatment has consisted of membrane resection alone. This study investigated the effect of routine septal myectomy in ...

    Alyssa A. Mazurek, Sunkyung Yu, Ray Lowery, Richard G. Ohye in Pediatric Cardiology (2018)

  5. No Access

    Article

    Differential Myocardial Mechanics in Volume and Pressure Loaded Right Ventricles Demonstrated by Cardiac Magnetic Resonance

    In patients with D-looped transposition of the great arteries (D-TGA) status post atrial switch operation, the systemic right ventricle (RV) shifts to predominantly circumferential (CS) rather than longitudina...

    Karena Wu, Sunkyung Yu, Adam L. Dorfman, Ray Lowery in Pediatric Cardiology (2019)

  6. No Access

    Article

    Acute Hemodynamic Effects of Negative Extrathoracic Pressure in Fontan Physiology

    We sought to assess acute hemodynamic changes after implementation of negative extrathoracic pressure (NEP) in spontaneously breathing ambulatory Fontan patients with symptomatic heart failure. We hypothesized...

    David M. Peng, Jeffrey D. Zampi, Susan M. Smith, Sunkyung Yu in Pediatric Cardiology (2019)

  7. No Access

    Article

    Differences in Pulmonary and Systemic Flow Measurements by Cardiac Magnetic Resonance vs Cardiac Catheterization and Relation to Collateral Flow in Single Ventricle Patients

    Both cardiac magnetic resonance (CMR) and cardiac catheterization (cath) may assess patients with single ventricle physiology prior to stage II or Fontan palliation. However, development of significant aortopu...

    Michael R. Hart, Wendy Whiteside, Sunkyung Yu, Ray Lowery in Pediatric Cardiology (2020)

  8. No Access

    Article

    Neo-aortic Root Dilatation, Aortic Stiffness, and Ventricular interactions in Long-Term Follow-Up After the Ross Procedure in Childhood

    Patients after the Ross procedure are at risk for right (RV) and left ventricular (LV) dysfunction due to neo-aortic and pulmonary dysfunction. While neo-aortic root dilatation has been related to LV dysfuncti...

    Mehul D. Patel, Adam L. Dorfman, Sunkyung Yu, Ray Lowery in Pediatric Cardiology (2020)

  9. No Access

    Article

    Impact of standardized prenatal documentation among newborns with ductal-dependent heart disease

    Absent risk stratification, variable physiology of ductal-dependent congenital heart disease (DD-CHD) imparts risk of over-medicalization and unnecessary exclusion from early parental bonding.

    Ian Thomas, Naomi T. Laventhal, Sunkyung Yu, Ray Lowery in Journal of Perinatology (2020)

  10. No Access

    Article

    Native Aortic Root Thrombosis in Single-Ventricle Patients with Native-to-Neoaortic Anastomoses

    In single-ventricle patients with native-to-neoaortic anastomoses, the native aortic root serves as a conduit to the coronary arteries. Thrombosis of the native aortic root has been described only in small, li...

    Kimberly J. Watkins, Jeffrey D. Zampi, Ray Lowery, Sunkyung Yu in Pediatric Cardiology (2022)

  11. Article

    Primary Disease, Sex, and Racial Differences in Health-Related Quality of Life in Adolescents and Young Adults with Heart Failure

    Health-related quality of life (HRQOL) is an important clinical and research trial endpoint in adult heart failure and has been shown to predict mortality and hospitalizations in adult heart failure population...

    Melissa K. Cousino, Heang M. Lim, Cynthia Smith, Sunkyung Yu in Pediatric Cardiology (2022)

  12. No Access

    Article

    Timing of Balloon Atrial Septostomy in Patients with d-TGA and Association with Birth Location and Patient Outcomes

    Patients with d-looped transposition of the great arteries (d-TGA), especially those without an adequate atrial septal defect, can experience severe hypoxemia and hemodynamic compromise in the neonatal period....

    Courtney Thomas, Sunkyung Yu, Ray Lowery, Jeffrey D. Zampi in Pediatric Cardiology (2023)

  13. No Access

    Article

    Augmented Reality Visualization of 3D Rotational Angiography in Congenital Heart Disease: A Comparative Study to Standard Computer Visualization

    Augmented reality (AR) visualization of 3D rotational angiography (3DRA) provides 3D representations of cardiac structures with full visualization of the procedural environment. The purpose of this study was t...

    Arash Salavitabar, Jeffrey D. Zampi, Courtney Thomas in Pediatric Cardiology (2023)

  14. No Access

    Article

    Experience with SGLT2 Inhibitors in Patients with Single Ventricle Congenital Heart Disease and Fontan Circulatory Failure

    Heart failure is the leading cause of morbidity and mortality in patients with Fontan circulation. Sodium-glucose-cotransporter 2 inhibitors (SGLT2i) have become a mainstay of heart failure therapy in adult pa...

    Anusha Konduri, Caroline West, Ray Lowery, Tiffany Hunter in Pediatric Cardiology (2023)

  15. No Access

    Article

    Reducing Hyperoxia Exposure in Infants Requiring Veno-Arterial Extracorporeal Membrane Oxygenation after Cardiac Surgery

    Recent studies have suggested worse outcomes in patients exposed to hyperoxia while supported on veno-arterial extracorporeal membrane oxygenation (VA-ECMO). However, there are no data regarding the effect of ...

    Nathaniel R. Sznycer-Taub, Ray Lowery, Sunkyung Yu, Gabe Owens in Pediatric Cardiology (2024)