- American Association for Physician Leadership
- American College of Cardiology
- American College of Healthcare Executives
- Congenital Cardiovascular Intervention Study Consortium
- Dallas County Medical Society
- Pediatric Society of Greater Dallas
- Society for Cardiac Angiography and Interventions
- Texas Medical Society
Thomas Zellers, M.D.
- Pediatrics - Cardiology
- Pediatric & Adolescent Medicine
- Pediatric Cardiology
Biography
Thomas M. Zellers, M.D., is a Professor in the Department of Pediatrics at UT Southwestern Medical Center. He serves as Vice President of Medical Staff Affairs for Children’s Health System, as well as Senior Vice President, Chief Clinical Officer, and Chief Quality Officer at Children’s Health Plano. He specializes in pediatric interventional cardiology.
Dr. Zellers earned his medical degree at UT Southwestern Medical School. He completed a residency in pediatrics at the University of Virginia and received advanced training in pediatric cardiology and interventional cardiac catheterization through fellowships at the Mayo Clinic and Baylor College of Medicine, respectively. He also holds a master’s degree in medical management from UT Southwestern.
Certified by the American Boards of Pediatrics (cardiology) and Internal Medicine (adult congenital heart disease), Dr. Zellers joined the UT Southwestern faculty in 1989.
Dr. Zellers’ research interests include innovative transcatheter therapies to treat congenital and structural heart disease in children and adults. He also studies physician leadership, leadership training, and physician involvement in quality improvement. The author of numerous scholarly articles, he serves as an ad hoc reviewer for Pediatric Cardiology, Pediatric Infectious Disease Journal, Circulation, American Journal of Physiology, and Catheterization and Cardiac Intervention.
He is a member of the American Association for Physician Leadership, the American College of Cardiology, the American College of Healthcare Executives, the Congenital Cardiovascular Intervention Study Consortium, the Dallas County Medical Society, the Pediatric Society of Greater Dallas, the Society for Cardiovascular Angiography and Interventions, and the Texas Medical Association.
Education & Training
- Medical School - UT Southwestern Medical School (1979-1983)
- Residency - University of Virginia Health System (1983-1986), Pediatric Medicine
- Fellowship - Baylor College of Medicine (1997-1997), Interventional Cardiac Catheterization
- Fellowship - Mayo Clinic College of Medicine (1986-1989), Pediatric Cardiology
Professional Associations & Affiliations
Honors & Awards
- D Magazine Best Doctor 2022
- D Magazine Best Pediatric Specialist 2003-2021
- Pogue Family Foundation Master Clinician in Pediatric Cardiology 2015-2020, Children’s Health
- Texas Super Doctors 2005-2020, Texas Monthly Magazine
- Kathryne and Gene Bishop Distinguished Chair in Pediatric Care 2004-2015, UT Southwestern
- Texas Hospital Association Leadership Fellow 2014-2015, Texas Hospital Association
- Patient's Choice Award 2002, Mended Hearts Parents Group
- Outstanding Faculty Teaching Award 1991, Awarded by Children’s Medical Center of Dallas
Books & Publications
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Publications
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Ventricular Arrhythmias After Self-Expanding Transcatheter Pulmonary Valve Replacement: A Report From the SERVE Registry
Armstrong AK, Goldstein BH, Aboulhosn J, Balzer D, Barry OM, Berman DP, Boe BA, Bocks ML, Cabalka AK, Fraint H, Kanter J, Keeshan B, Lamers L, Ligon RA, Maschietto N, McMahon WS, Qureshi AM, Shahanavaz S, Stefanescu Schmidt AC, Suntharos P, Whiteside W, Zablah JE, Zahn E, Zampi JD, Zellers T, Eazer J, Shay V, Alvarado C, Dimas VV, Kamp AN JACC: Clinical Electrophysiology 2026 Mar 12 446-458 -
Venous-Only Approach for Transcatheter Patent Ductus Arteriosus Closure in Infants: Is It Time for Change?
Harinarayanan SC, Wu S, Arar Y, Zellers TM, Veeram Reddy SR, Divekar AA Journal of the Society for Cardiovascular Angiography and Interventions 2025 Aug 4 -
Association between procedure duration and adverse events in congenital cardiac catheterization
Yeh MJ, Bergersen L, Gauvreau K, Akhtar S, Batlivala SP, Bocks ML, Holzer R, O’Byrne ML, Shahanavaz S, Trucco SM, Zellers T, Armstrong AK Cardiology in the Young 2025 Jan 35 162-169 -
Multicenter Pivotal Study of the Alterra Adaptive Prestent for the Treatment of Pulmonary Regurgitation
Dimas VV, Babaliaros V, Kim D, Lim DS, Morgan G, Jones TK, Armstrong AK, Berman D, Aboulhosn J, Mahadevan VS, Gillespie MJ, Balzer D, Zellers T, Yu X, Shirali G, Parthiban A, Leipsic J, Blanke P, Zahn E, Shahanavaz S JACC: Cardiovascular Interventions 2024 Oct 17 2287-2297 -
Angiographic tool to detect pulmonary arteriovenous malformations in single ventricle physiology
Spurgin SB, Arar YM, Zellers TM, Wang J, Madsen NL, Veeram Reddy SR, Cleaver O, Divekar AA Cardiology in the Young 2024 Sep 34 1871-1876 -
Diagnosis and Management of Congenital Coronary Artery Fistulas in Infants and Children
Wu S, Fares M, Zellers TM, Jyothinagaram M, Reddy SR Current Cardiology Reports 2023 Dec 25 1921-1932 -
Beyond the Short-Term in Neonatal Coarctation
Zellers TM JACC: Advances 2023 May 2 -
Regionalization of Care in Congenital Interventional Cardiology
Author Collaboration S2, Bauser-Heaton H, El-Said H, Hijazi ZM, Vincent RN, Zellers TM, Ing FF Journal of the Society for Cardiovascular Angiography and Interventions 2023 Jan 2 -
Pre-procedural CT imaging aids neonatal PDA stenting for ductal-dependent pulmonary blood flow with reduction in overall procedural morbidity
Arar Y, Dimas VV, Nugent A, Hussain T, Kasraie N, Reddy SR, Zellers TM, Herbert C Cardiology in the Young 2022 Sep 32 1401-1406 -
Transcatheter Device Therapy and the Integration of Advanced Imaging in Congenital Heart Disease
Divekar AA, Arar YM, Clark S, Tandon A, Zellers TM, Veeram Reddy SR Children 2022 Apr 9 -
Role of Cross-Sectional Imaging in Pediatric Interventional Cardiac Catheterization
Arar Y, Divekar A, Clark S, Hussain T, Sebastian R, Hoda M, King J, Zellers TM, Reddy SR Children 2022 Mar 9 -
Comparison of the investigational device exemption and post-approval trials of the Melody transcatheter pulmonary valve
Kreutzer J, Armstrong AK, Rome JJ, Zellers TM, Balzer DT, Zampi JD, Cabalka AK, Javois AJ, Turner DR, Gray RG, Moore JW, Weng S, Jones TK, Khan DM, Vincent JA, Hellenbrand WE, Cheatham JP, Bergersen LJ, McElhinney DB Catheterization and Cardiovascular Interventions 2021 Aug 98 E262-E274 -
ACCAPA: Anomalous circumflex coronary artery origin from pulmonary artery
Veeram Reddy SR, Herbert CE, Zellers TM Cardiology in the Young 2020 Nov 30 1730-1731 -
Use of institutional criteria for transcatheter device closure of Fontan fenestration - Midterm outcomes
Thatte N, Dimas V, Nugent A, Zellers T, Forbess J, Zabala L, Zhang S, Veeram Reddy SR Annals of Pediatric Cardiology 2020 Oct 13 327-333 -
3D advanced imaging overlay with rapid registration in CHD to reduce radiation and assist cardiac catheterisation interventions
Arar Y, Reddy SR, Kim H, Dimas VV, Zellers TM, Abou Zahr R, Vamsee R, Greer JS, Tandon A, Pontiki A, Dillenbeck J, Zabala L, Greil G, Nugent A, Hussain T Cardiology in the Young 2020 May 30 656-662 -
Tribute to Paul M. Vanhoutte, MD, PhD (1940-2019)
Author Collaboration PP, Boulanger CM, Baretella O, Blaise G, Bond RA, Cai Y, Chan CK, Chataigneau T, Chen MJ, Chen H, Cheng Y, Clement DL, Cohen RA, Collis M, Danser AH, de Mey J, Detremmerie CM, Duprez D, Feletou M, Flavahan N, Gao Y, Guo Y, Hoeffner U, Houston DS, Huang IB, Huang Y, Iliano S, Junquero D, Katusic ZS, Komori K, Lee MY, Leung SW, Li Z, Liang SC, Liu JT, Luscher TF, Michel F, Miller VM, Mombouli JV, Morrison K, Muldoon SM, O'Rourke S, Perrault L, Quignard JF, Rusch NJ, Sanchez-Ferrer CF, Schini-Kerth V, Shen K, Shi Y, Song E, Zellers T Arteriosclerosis, Thrombosis, and Vascular Biology 2019 Dec 39 2445-2447 -
Association between patient age at implant and outcomes after transcatheter pulmonary valve replacement in the multicenter Melody valve trials
Armstrong AK, Berger F, Jones TK, Moore JW, Benson LN, Cheatham JP, Turner DR, Rhodes JF, Vincent JA, Zellers T, Lung TH, Eicken A, McElhinney DB Catheterization and Cardiovascular Interventions 2019 Oct 94 607-617 -
Two-dimensional systolic speckle tracking echocardiography provides a noninvasive aid in the identification of acute pediatric heart transplant rejection
Engelhardt K, Das B, Sorensen M, Malik S, Zellers T, Lemler M Echocardiography 2019 Oct 36 1876-1883 -
Sinus Venosus Defects: Anatomic Variants and Transcatheter Closure Feasibility Using Virtual Reality Planning
Tandon A, Burkhardt BE, Batsis M, Zellers TM, Velasco Forte MN, Valverde I, McMahan RP, Guleserian KJ, Greil GF, Hussain T JACC: Cardiovascular Imaging 2019 May 12 921-924 -
Invasive Hemodynamics of Adult Congenital Heart Disease: From Shunts to Coarctation
Veeram Reddy SR, Nugent AW, Zellers TM, Dimas VV Interventional Cardiology Clinics 2017 Jul 6 345-358 -
Acute and midterm outcomes of transcatheter pulmonary valve replacement for treatment of dysfunctional left ventricular outflow tract conduits in patients with aortopulmonary transposition and a systemic right ventricle
Whiteside W, Tretter JT, Aboulhosn J, Aldoss O, Armstrong AK, Bocks ML, Gillespie MJ, Jones TK, Martin MH, Meadows JJ, Metcalf CM, Turner ME, Zellers T, Goldstein BH Circulation: Cardiovascular Interventions 2017 Jul 10 -
Initial Experience With the Pediatric Impella Device: A Feasibility Study in a Porcine Model
Webb MK, Wang J, Riegel MS, Guleserian KJ, Forbess JM, Zellers TM, Dimas VV Catheterization and Cardiovascular Interventions 2016 Oct 88 582-589 -
Management and outcomes of heterotaxy syndrome associated with pulmonary atresia or pulmonary stenosis
Sebastian VA, Brenes J, Murthy R, Veeram Reddy S, Dimas VV, Nugent A, Zellers T, Huang R, Guleserian KJ, Forbess JM Annals of Thoracic Surgery 2014 Jul 98 159-166 -
One-year follow-up of the melody transcatheter pulmonary valve multicenter post-approval study
Armstrong AK, Balzer DT, Cabalka AK, Gray RG, Javois AJ, Moore JW, Rome JJ, Turner DR, Zellers TM, Kreutzer J JACC: Cardiovascular Interventions 2014 7 1254-1262 -
Comparison of surgical, stent, and balloon angioplasty treatment of native coarctation of the aorta; An observational study by the CCISC (congenital cardiovascular interventional study consortium)
Forbes TJ, Kim DW, Du W, Turner DR, Holzer R, Amin Z, Hijazi Z, Ghasemi A, Rome JJ, Nykanen D, Zahn E, Cowley C, Hoyer M, Waight D, Gruenstein D, Javois A, Foerster S, Kreutzer J, Sullivan N, Khan A, Carl Owada C, Hagler D, Lim S, Canter J, Zellers T Pediatric Cardiology 2012 Apr 33 680 -
Comparison of surgical, stent, and balloon angioplasty treatment of native coarctation of the aorta: An observational study by the CCISC (Congenital cardiovascular interventional study consortium)
Forbes TJ, Kim DW, Du W, Turner DR, Holzer R, Amin Z, Hijazi Z, Ghasemi A, Rome JJ, Nykanen D, Zahn E, Cowley C, Hoyer M, Waight D, Gruenstein D, Javois A, Foerster S, Kreutzer J, Sullivan N, Khan A, Owada C, Hagler D, Lim S, Canter J, Zellers T Journal of the American College of Cardiology 2011 Dec 58 2664-2674 -
Stenting of aortic coarctation: Acute, intermediate, and long-term results of a prospective multi-institutional registry-Congenital cardiovascular interventional study consortium (CCISC)
Holzer R, Qureshi S, Ghasemi A, Vincent J, Sievert H, Gruenstein D, Weber H, Alday L, Peirone A, Zellers T, Cheatham J, Slack M, Rome J Catheterization and Cardiovascular Interventions 2010 Oct 76 553-563 -
Stent implantation for coarctation of the aorta in a premature infant through carotid cutdown as a bridge to surgical correction
Dimas VV, Leonard SR, Guleserian KJ, Forbess JM, Zellers TM Journal of Thoracic and Cardiovascular Surgery 2010 Apr 139 1070-1071 -
Fracture of the GORE HELEX septal occluder: Associated factors and clinical outcomes
Fagan T, Dreher D, Cutright W, Jacobson J, Latson L, Badran S, Chan KC, Crowley C, DeMoor M, Patel H, Fleismann C, Ing F, Jones T, Javois A, Pignatelli R, Rhodes J, Rome J, Saba Z, Vincent R, Zahn E, Nykanen D, Zellers T Catheterization and Cardiovascular Interventions 2009 Jun 73 941-948 -
Simultaneous stent implantation to treat bifurcation stenoses in the pulmonary arteries: Initial results and long-term follow up
Stapleton GE, Hamzeh R, Mullins CE, Zellers TM, Justino H, Nugent A, Nihill MR, Grifka RG, Ing FF Catheterization and Cardiovascular Interventions 2009 Mar 73 557-563 -
Aspirin resistance in children with heart disease at risk for thromboembolism: Prevalence and possible mechanisms
Heistein LC, Scott WA, Zellers TM, Fixler DE, Ramaciotti C, Journeycake JM, Lemler MS Pediatric Cardiology 2008 Mar 29 285-291 -
Comprehensive assessment of patent ductus arteriosus by echocardiography before transcatheter closure
Ramaciotti C, Lemler MS, Moake L, Zellers TM Journal of the American Society of Echocardiography 2002 Oct 15 1154-1159 -
Bedside balloon atrial septostomy is safe, efficacious, and cost-effective compared with septostomy performed in the cardiac catheterization laboratory
Zellers TM, Dixon K, Moake L, Wright J, Ramaciotti C American Journal of Cardiology 2002 Mar 89 613-615 -
Coarctation index: Identification of recurrent coarctation in infants with hypoplastic left heart syndrome after the Norwood procedure
Lemler MS, Zellers TM, Harris KA, Ramaciotti C American Journal of Cardiology 2000 Sep 86 697-699 -
Prostacyclin-induced relaxations of small porcine pulmonary arteries are enhanced by the basal release of endothelium-derived nitric oxide through an effect on cyclic GMP-inhibited-cyclic AMP phosphodiesterase
Zellers TM, Wu YQ, McCormick J, Vanhoutte PM Zhongguo Yaoli Xuebao/Acta Pharmacologica Sinica 2000 Feb 21 131-138 -
Transcatheter coil occlusion of the small patent ductus arteriosus (< 4 mm): Improved results with a 'multiple coil-no residual shunt' strategy
Zellers TM, Wylie KD, Moake L Catheterization and Cardiovascular Interventions 2000 49 307-313 -
Balloon angioplasty for recurrent coarctation of the aorta in patients following staged palliation for hypoplastic left heart syndrome
Zellers TM American Journal of Cardiology 1999 Jul 84 231-233 -
Usefulness of Doppler echocardiography in diagnosing right ventricular coronary arterial communications in patients with pulmonary atresia and intact ventricular septum and comparison with angiography
Garcia JA, Zellers TM, Weinstein EM, Mahony L American Journal of Cardiology 1998 Jan 81 103-104 -
Enalapril does not enhance exercise capacity in patients after fontan procedure
Kouatli AA, Garcia JA, Zellers TM, Weinstein EM, Mahony L Circulation 1997 Sep 96 1507-1512 -
Inhaled nitric oxide and persistent pulmonary hypertension of the newborn
Roberts JD, Fineman JR, Morin FC, Shaul PW, Rimar S, Schreiber MD, Polin RA, Zwass MS, Zayek MM, Gross I, Heymann MA, Zapol WM, Thusu KG, Zellers TM, Wylam ME, Zaslavsky A New England Journal of Medicine 1997 Feb 336 605-610 -
Major intrahepatic venovenous fistulas after a modified Fontan operation
Reed MK, Leonard SR, Zellers TM, Nikaidoh H Annals of Thoracic Surgery 1996 Feb 61 713-715 -
Protein-losing enteropathy after the modified Fontan operation: Oral prednisone treatment with biopsy and laboratory proved improvement
Zellers TM, Brown K Pediatric Cardiology 1996 17 115-117 -
Use of the Terumo SP catheter system for crossing the pulmonary valve in infants with critical pulmonary valve stenosis
Zellers TM, Moake L, Wright J The American journal of cardiology 1995 Nov 76 1082-1084 -
Balloon dilatation of porcine pulmonary arteries decreases endothelium-dependent relaxations and increases vasoconstriction to aggregating platelets
Razzuk SJ, Zellers TM Circulation 1995 Feb 91 1221-1228 -
Patient selection for repair of complete atrioventricular canal guided by echocardiography [1]
Di Carlo D, Marino B, Zellers TM Journal of the American College of Cardiology 1995 26 574-575 -
Two-dimensional and Doppler echocardiography alone can adequately define preoperative anatomy and hemodynamic status before repair of complete atrioventricular septal defect in infants <1 year old
Zellers TM, Zehr R, Weinstein E, Leonard S, Ring WS, Nikaidoh H Journal of the American College of Cardiology 1994 Nov 24 1565-1570 -
Interaction among ET-1, endothelium-derived nitric oxide, and prostacyclin in pulmonary arteries and veins
Zellers TM, McCormick J, Wu Y American Journal of Physiology - Heart and Circulatory Physiology 1994 267 H139-H147 -
Oxygen modulates endothelium-derived relaxing factor production in fetal pulmonary arteries
Shaul PW, Farrar MA, Zellers TM American Journal of Physiology 1992 262 H355-H364 -
Endothelium-dependent relaxations of piglet pulmonary arteries augment with maturation
Zellers TM, Vanhoutte PM Pediatric Research 1991 Aug 30 176-180 -
Pseudo-preexcitation in tricuspid atresia
Zellers TM, Porter CB, Driscoll DJ Texas Heart Institute Journal 1991 Jan 18 124-126 -
Heterogeneity of endothelium-dependent and endothelium-independent responses to aggregating platelets in porcine pulmonary arteries
Zellers TM, Shimokawa H, Yunginger J, Vanhoutte PM Circulation research 1991 68 1437-1445 -
Prevalence of significant congenital heart defects in children of parents with Fallot's tetralogy
Zellers TM, Driscoll DJ, Michels VV The American journal of cardiology 1990 Feb 65 523-526 -
Noninvasive estimation of pulmonary artery pressure
Zellers T, Gutgesell HP The Journal of pediatrics 1989 May 114 735-741 -
Heterogeneity of endothelium-dependent and independent responses among large and small porcine pulmonary arteries
Zellers TM, Vanhoutte PM Pulmonary Pharmacology 1989 2 201-208 -
Accuracy of Two-Dimensional Echocardiography in Diagnosing Left Superior Vena Cava
Zellers TM, Hagler DJ, Julsrud PR Journal of the American Society of Echocardiography 1989 2 132-138 -
Exercise Tolerance and Cardiorespiratory Response to Exercise Before and After the Fontan Operation
Zellers TM, Driscoll DJ, Mottram CD, Puga FJ, Schaff HV, Danielson GK Mayo Clinic Proceedings 1989 Jan 64 1489-1497 -
Glenn shunt: Effect on pleural drainage after modified Fontan operation
Zellers TM, Driscoll DJ, Humes RA, Feldt RH, Puga FJ, Danielson GK Journal of Thoracic and Cardiovascular Surgery 1989 98 725-729 -
Brain abscess and ethmoid sinusitis presenting as periorbital cellulitis in a two-month-old infant
Zellers TM, Donowitz LG Pediatric Infectious Disease Journal 1987 Feb 6 213-215 -
Prostaglandin therapy at the local level for neonates with critical heart defects
Zellers TM, Gutgesell HP Virginia Medical 1986 Jan 113 162-164
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Ventricular Arrhythmias After Self-Expanding Transcatheter Pulmonary Valve Replacement: A Report From the SERVE Registry
Research
- Transcatheter Delivered Devices for Congenital and Structural Heart Disease
- Innovative Use of Current Devices to Treat Congenital Heart Disease in Non-Traditional Ways
- Adults with Congenital Heart Disease: Transition and Neurodevelopmental Outcomes
- Physician Leadership, Leadership Training, and Physician Involvement in Quality Improvement
Clinical Focus
- Pediatric & Adolescent Medicine
- Pediatric Cardiology
- Pediatric Interventional Cardiology
- Adult Congenital Heart Disease
Children's Medical Center of Dallas
1935 Medical District DriveDallas, Texas 75235 214-730-5437 Directions to Children's Medical Center of Dallas at Children's Medical Center of Dallas, Dallas