Current Environment: Production

Medical Services

Specialties

Programs & Services

Languages

  • English

Education

Medical School

Institute of Medical Sciences

1992, Varanasi, India

Residency

Pediatrics

Institute of Medical Sciences

1995, Varanasi, India

Residency

Senior Resident, Pediatrics

Indraprastha Apollo Hospitals

1996, New Delhi, India

Residency

Pediatrics

New York Medical College

1999, New York, NY

Fellowship

Pediatric Cardiology

Columbia University

2002, New York, NY

Fellowship

Senior Fellow, Cardiac MRI

Boston Children's Hospital

2003, Boston, MA

Certifications

  • American Board of Pediatrics (Cardiology)

Publications

  1. Contemporary trends in utilization of pediatric cardiac imaging in children's hospitals. J Cardiovasc Comput Tomogr. 2025 May 06. View Abstract

  2. Rapid growth of CT utilization compared to MRI and echocardiography in imaging for congenital heart disease: A multicenter analysis. J Cardiovasc Comput Tomogr. 2025 Feb 27. View Abstract

  3. Ventricular-arterial coupling is associated with clinical outcomes in patients with systemic right ventricle. Am Heart J. 2025 Jul; 285:29-38. View Abstract

  4. Comparison of cine cardiac CT and echocardiography for assessment of ventricular function late after the Fontan operation. J Cardiovasc Comput Tomogr. 2025 Feb 04. View Abstract

  5. Cardiovascular imaging in children with cardiac implantable electronic devices. Pediatr Radiol. 2025 Jan 21. View Abstract

  6. Proposed resources required for a comprehensive program for CCT CHD imaging. J Cardiovasc Comput Tomogr. 2025 Jan 18. View Abstract

  7. Longitudinal Changes in Myocardial Deformation in Hutchinson-Gilford Progeria Syndrome. Circ Cardiovasc Imaging. 2025 Feb; 18(2):e017544. View Abstract

  8. Postoperative aortic isthmus size after arch reconstruction with patch augmentation predicts arch reintervention. J Thorac Cardiovasc Surg. 2025 Mar; 169(3):964-973.e4. View Abstract

  9. Impact of surgical strategy and postrepair transverse aortic arch size on late hypertension after coarctation repair during infancy. J Thorac Cardiovasc Surg. 2025 Feb; 169(2):345-352. View Abstract

  10. Anesthetic Management of Cardiopulmonary Bypass in Hutchinson-Gilford Progeria Syndrome: A Case Report. A A Pract. 2024 Aug 01; 18(8):e01842. View Abstract

  11. Intervention for critical aortic stenosis in Hutchinson-Gilford progeria syndrome. Front Cardiovasc Med. 2024; 11:1356010. View Abstract

  12. Impact of Age-Related Change in Caval Flow Ratio on Hepatic Flow Distribution in the Fontan Circulation. Circ Cardiovasc Imaging. 2024 Apr; 17(4):e016104. View Abstract

  13. Abnormal Myocardial Deformation Despite Normal Ejection Fraction in Hutchinson-Gilford Progeria Syndrome. J Am Heart Assoc. 2024 Feb 06; 13(3):e031470. View Abstract

  14. Growth of the right ventricular outflow tract in repaired tetralogy of Fallot: A longitudinal CMR study. J Cardiovasc Magn Reson. 2024; 26(1):100002. View Abstract

  15. Aortic growth after arch reconstruction with patch augmentation: a 2-decade experience. Interdiscip Cardiovasc Thorac Surg. 2023 Dec 05; 37(6). View Abstract

  16. Proposed competencies for the performance of cardiovascular computed tomography in pediatric and adult congenital heart disease. J Cardiovasc Comput Tomogr. 2023 Sep-Oct; 17(5):295-301. View Abstract

  17. Pacemaker lead insertion sites contribute to abnormalities of myocardial function and histopathology. Heart Rhythm. 2023 12; 20(12):1739-1749. View Abstract

  18. Comparison of aortic stiffness and hypertension in repaired coarctation patients with a bicuspid versus a tricuspid aortic valve. J Cardiovasc Magn Reson. 2023 06 15; 25(1):31. View Abstract

  19. Progression of Cardiac Abnormalities in Hutchinson-Gilford Progeria Syndrome: A Prospective Longitudinal Study. Circulation. 2023 06 06; 147(23):1782-1784. View Abstract

  20. Management of severe calcific aortic stenosis in children with progeria syndrome. J Thorac Cardiovasc Surg. 2023 Nov; 166(5):1292-1297. View Abstract

  21. Longitudinal changes in ventricular size and function are associated with death and transplantation late after the Fontan operation. J Cardiovasc Magn Reson. 2022 Nov 14; 24(1):56. View Abstract

  22. Double Aortic Arch with Atresia of the Left Aortic Arch Proximal to the Left Common Carotid Artery: First Report of Documentation by Surgical Observation. Pediatr Cardiol. 2023 Jan; 44(1):249-253. View Abstract

  23. Follow-up cardiac magnetic resonance in children with vaccine-associated myocarditis. Eur J Pediatr. 2022 Jul; 181(7):2879-2883. View Abstract

  24. Utility of cardiac CT in infants with congenital heart disease: Diagnostic performance and impact on management. J Cardiovasc Comput Tomogr. 2022 Jul-Aug; 16(4):345-349. View Abstract

  25. Association of Myocarditis With BNT162b2 Messenger RNA COVID-19 Vaccine in a Case Series of Children. JAMA Cardiol. 2021 12 01; 6(12):1446-1450. View Abstract

  26. Longitudinal changes in extent of late gadolinium enhancement in repaired Tetralogy of Fallot: a retrospective analysis of serial CMRs. J Cardiovasc Magn Reson. 2021 06 21; 23(1):80. View Abstract

  27. Acute and Short-Term Outcomes of Percutaneous Transcatheter Mitral Valve Replacement in Children. Circ Cardiovasc Interv. 2021 04; 14(4):e009996. View Abstract

  28. Rapid ascending aorta stiffening in bicuspid aortic valve on serial cardiovascular magnetic resonance evaluation: comparison with connective tissue disorders. J Cardiovasc Magn Reson. 2021 02 22; 23(1):11. View Abstract

  29. Pediatric Heart Network Echocardiographic Z Scores: Comparison with Other Published Models. J Am Soc Echocardiogr. 2021 02; 34(2):185-192. View Abstract

  30. Screening for Intracranial Aneurysms in Coarctation of the Aorta: A Decision and Cost-Effectiveness Analysis. Circ Cardiovasc Qual Outcomes. 2020 08; 13(8):e006406. View Abstract

  31. Challenges and lessons learned from the Pediatric Heart Network Normal Echocardiogram Database study. Cardiol Young. 2020 Apr; 30(4):456-461. View Abstract

  32. Impact of Treatment Modality on Vascular Function in Coarctation of the Aorta: The LOVE - COARCT Study. J Am Heart Assoc. 2019 04 02; 8(7):e011536. View Abstract

  33. Electrocardiographic Abnormalities in Patients With Hutchinson-Gilford Progeria Syndrome-Reply. JAMA Cardiol. 2018 10 01; 3(10):1025. View Abstract

  34. A National Population-based Study of Adults With Coronary Artery Disease and Coarctation of the Aorta. Am J Cardiol. 2018 12 15; 122(12):2120-2124. View Abstract

  35. Rationale and design of Long-term Outcomes and Vascular Evaluation after Successful Coarctation of the Aorta Treatment study. Ann Pediatr Cardiol. 2018 Sep-Dec; 11(3):282-296. View Abstract

  36. Coronary artery compression from epicardial leads: More common than we think. Heart Rhythm. 2018 10; 15(10):1439-1447. View Abstract

  37. Effects of Dose Reduction on Diagnostic Image Quality of Coronary Computed Tomography Angiography in Children Using a Third-Generation Dual-Source Computed Tomography Scanner. Am J Cardiol. 2018 10 01; 122(7):1260-1264. View Abstract

  38. Stroke in Adults With Coarctation of the Aorta: A National Population-Based Study. J Am Heart Assoc. 2018 06 01; 7(11). View Abstract

  39. Cardiac Abnormalities in Patients With Hutchinson-Gilford Progeria Syndrome. JAMA Cardiol. 2018 04 01; 3(4):326-334. View Abstract

  40. Development of a congenital cardiovascular computed tomography imaging registry: Rationale and implementation. J Cardiovasc Comput Tomogr. 2018 May - Jun; 12(3):263-266. View Abstract

  41. Inefficient Ventriculoarterial Coupling in Fontan Patients: A Cardiac Magnetic Resonance Study. Pediatr Cardiol. 2018 Apr; 39(4):763-773. View Abstract

  42. Relationship of Echocardiographic Z Scores Adjusted for Body Surface Area to Age, Sex, Race, and Ethnicity: The Pediatric Heart Network Normal Echocardiogram Database. Circ Cardiovasc Imaging. 2017 Nov; 10(11). View Abstract

  43. Longitudinal Changes in Segmental Aortic Stiffness Determined by Cardiac Magnetic Resonance in Children and Young Adults With Connective Tissue Disorders (the Marfan, Loeys-Dietz, and Ehlers-Danlos Syndromes, and Nonspecific Connective Tissue Disorders). Am J Cardiol. 2017 Oct 01; 120(7):1214-1219. View Abstract

  44. Response to Letters Regarding Article "Segmental Aortic Stiffness in Children and Young Adults With Connective Tissue Disorders: Relationships With Age, Aortic Size, Rate of Dilation, and Surgical Root Replacement". Circulation. 2016 Feb 16; 133(7):e405. View Abstract

  45. Aortic Measurements in Patients with Aortopathy are Larger and More Reproducible by Cardiac Magnetic Resonance Compared with Echocardiography. Pediatr Cardiol. 2015 Dec; 36(8):1761-73. View Abstract

  46. Segmental Aortic Stiffness in Children and Young Adults With Connective Tissue Disorders: Relationships With Age, Aortic Size, Rate of Dilation, and Surgical Root Replacement. Circulation. 2015 Aug 18; 132(7):595-602. View Abstract

  47. Persistent Aortic Arch Hypoplasia After Coarctation Treatment Is Associated With Late Systemic Hypertension. J Am Heart Assoc. 2015 Jun 25; 4(7). View Abstract

  48. Cardiovascular manifestations of tuberous sclerosis complex and summary of the revised diagnostic criteria and surveillance and management recommendations from the International Tuberous Sclerosis Consensus Group. J Am Heart Assoc. 2014 Nov 25; 3(6):e001493. View Abstract

  49. Patients with repaired tetralogy of Fallot suffer from intra- and inter-ventricular cardiac dyssynchrony: a cardiac magnetic resonance study. Eur Heart J Cardiovasc Imaging. 2014 Dec; 15(12):1333-43. View Abstract

  50. Cardiac magnetic resonance parameters predict transplantation-free survival in patients with fontan circulation. Circ Cardiovasc Imaging. 2014 05; 7(3):502-9. View Abstract

  51. Tuberous sclerosis complex surveillance and management: recommendations of the 2012 International Tuberous Sclerosis Complex Consensus Conference. Pediatr Neurol. 2013 Oct; 49(4):255-65. View Abstract

  52. Tuberous sclerosis complex diagnostic criteria update: recommendations of the 2012 Iinternational Tuberous Sclerosis Complex Consensus Conference. Pediatr Neurol. 2013 Oct; 49(4):243-54. View Abstract

  53. Risk factors for profuse systemic-to-pulmonary artery collateral burden in hypoplastic left heart syndrome. Am J Cardiol. 2013 Aug 01; 112(3):400-4. View Abstract

  54. Factors impacting echocardiographic imaging after the Fontan procedure: a report from the pediatric heart network fontan cross-sectional study. Echocardiography. 2013 Oct; 30(9):1098-106. View Abstract

  55. Interstudy variability in cardiac magnetic resonance imaging measurements of ventricular volume, mass, and ejection fraction in repaired tetralogy of Fallot: a prospective observational study. J Magn Reson Imaging. 2013 Oct; 38(4):829-35. View Abstract

  56. Outcomes of transcatheter approach for initial treatment of pulmonary atresia with intact ventricular septum. Catheter Cardiovasc Interv. 2013 Jan 01; 81(1):111-8. View Abstract

  57. Significance of systemic to pulmonary artery collaterals in single ventricle physiology: new insights from CMR imaging. Heart. 2012 Jun; 98(12):897-9. View Abstract

  58. Relation of systemic-to-pulmonary artery collateral flow in single ventricle physiology to palliative stage and clinical status. Am J Cardiol. 2012 Apr 01; 109(7):1038-45. View Abstract

  59. Challenges in echocardiographic assessment of mitral regurgitation in children after repair of atrioventricular septal defect. Pediatr Cardiol. 2012 Feb; 33(2):205-14. View Abstract

  60. Characterization of cardiac tumors in children by cardiovascular magnetic resonance imaging: a multicenter experience. J Am Coll Cardiol. 2011 Aug 30; 58(10):1044-54. View Abstract

  61. Factors affecting growth in infants with single ventricle physiology: a report from the Pediatric Heart Network Infant Single Ventricle Trial. J Pediatr. 2011 Dec; 159(6):1017-22.e2. View Abstract

  62. Renin-angiotensin-aldosterone genotype influences ventricular remodeling in infants with single ventricle. Circulation. 2011 May 31; 123(21):2353-62. View Abstract

  63. Factors associated with serum brain natriuretic peptide levels after the Fontan procedure. Congenit Heart Dis. 2011 Jul-Aug; 6(4):313-21. View Abstract

  64. Late pulmonary valve replacement in patients with pulmonary atresia and intact ventricular septum: a case-matched study. Ann Thorac Surg. 2011 Feb; 91(2):555-60. View Abstract

  65. Surgical management of complete atrioventricular septal defect: associations with surgical technique, age, and trisomy 21. J Thorac Cardiovasc Surg. 2011 Jun; 141(6):1371-9. View Abstract

  66. Relation of size of secondary ventricles to exercise performance in children after fontan operation. Am J Cardiol. 2010 Dec 01; 106(11):1652-6. View Abstract

  67. Arrhythmias in a contemporary fontan cohort: prevalence and clinical associations in a multicenter cross-sectional study. J Am Coll Cardiol. 2010 Sep 07; 56(11):890-6. View Abstract

  68. Enalapril in infants with single ventricle: results of a multicenter randomized trial. Circulation. 2010 Jul 27; 122(4):333-40. View Abstract

  69. Prenatal diagnosis and risk factors for preoperative death in neonates with single right ventricle and systemic outflow obstruction: screening data from the Pediatric Heart Network Single Ventricle Reconstruction Trial(*). J Thorac Cardiovasc Surg. 2010 Dec; 140(6):1245-50. View Abstract

  70. Myocardial fibrosis identified by cardiac magnetic resonance late gadolinium enhancement is associated with adverse ventricular mechanics and ventricular tachycardia late after Fontan operation. J Am Coll Cardiol. 2010 Apr 20; 55(16):1721-8. View Abstract

  71. Birth weight and prematurity in infants with single ventricle physiology: pediatric heart network infant single ventricle trial screened population. Congenit Heart Dis. 2010 Mar-Apr; 5(2):96-103. View Abstract

  72. Partial and transitional atrioventricular septal defect outcomes. Ann Thorac Surg. 2010 Feb; 89(2):530-6. View Abstract

  73. Multimodality noninvasive imaging for assessment of congenital heart disease. Circ Cardiovasc Imaging. 2010 Jan; 3(1):112-25. View Abstract

  74. Cardiac Tumors. in Principles and Practice of Cardiac Magnetic Resonance in Congenital Heart Disease, ed Fogel MA. 2010.

  75. Coarctation of the Aorta. The American Heart Association Clinical Cardiac Consult. 2010.

  76. Parent- versus child-reported functional health status after the Fontan procedure. Pediatrics. 2009 Nov; 124(5):e942-9. View Abstract

  77. Functional state following the Fontan procedure. Cardiol Young. 2009 Aug; 19(4):320-30. View Abstract

  78. Comparison of echocardiographic and cardiac magnetic resonance imaging measurements of functional single ventricular volumes, mass, and ejection fraction (from the Pediatric Heart Network Fontan Cross-Sectional Study). Am J Cardiol. 2009 Aug 01; 104(3):419-28. View Abstract

  79. A new diagnostic algorithm for assessment of patients with single ventricle before a Fontan operation. J Thorac Cardiovasc Surg. 2009 Oct; 138(4):917-23. View Abstract

  80. Rationale and design of a trial of angiotensin-converting enzyme inhibition in infants with single ventricle. Am Heart J. 2009 Jan; 157(1):37-45. View Abstract

  81. Incidence of aortic root dilatation in pectus excavatum and its association with Marfan syndrome. Arch Pediatr Adolesc Med. 2008 Sep; 162(9):882-5. View Abstract

  82. Parental understanding of neonatal congenital heart disease. Pediatr Cardiol. 2008 Nov; 29(6):1059-65. View Abstract

  83. Functional status, heart rate, and rhythm abnormalities in 521 Fontan patients 6 to 18 years of age. J Thorac Cardiovasc Surg. 2008 Jul; 136(1):100-7, 107.e1. View Abstract

  84. Design and rationale of a randomized trial comparing the Blalock-Taussig and right ventricle-pulmonary artery shunts in the Norwood procedure. J Thorac Cardiovasc Surg. 2008 Oct; 136(4):968-75. View Abstract

  85. Tissue Doppler-derived diastolic myocardial velocities are abnormal in pediatric cardiac transplant recipients in the absence of endomyocardial rejection. Pediatr Cardiol. 2008 Jul; 29(4):749-54. View Abstract

  86. RAAS gene polymorphisms influence progression of pediatric hypertrophic cardiomyopathy. Hum Genet. 2007 Dec; 122(5):515-23. View Abstract

  87. Persistent antegrade pulmonary blood flow post-glenn does not alter early post-Fontan outcomes in single-ventricle patients. Ann Thorac Surg. 2007 Sep; 84(3):888-93; discussion 893. View Abstract

  88. Functional state of patients with heterotaxy syndrome following the Fontan operation. Cardiol Young. 2007 Sep; 17 Suppl 2:44-53. View Abstract

  89. Usefulness of magnetic resonance angiography in the evaluation of complex congenital heart disease in newborns and infants. Am J Cardiol. 2007 Aug 15; 100(4):715-21. View Abstract

  90. The American Heart Association Clinical Cardiac Consult. Nixon JV, editor. Coarctation of the Aorta. 2007; 134-5.

  91. Faster flow quantification using sensitivity encoding for velocity-encoded cine magnetic resonance imaging: in vitro and in vivo validation. J Magn Reson Imaging. 2006 Sep; 24(3):676-82. View Abstract

  92. Physiology of isolated anomalous pulmonary venous connection of a single pulmonary vein as determined by cardiac magnetic resonance imaging. Am J Cardiol. 2006 Jul 01; 98(1):107-10. View Abstract

  93. A new automated technique for left-and right-ventricular segmentation in magnetic resonance imaging. Conf Proc IEEE Eng Med Biol Soc. 2006; 2006:3074-7. View Abstract

  94. Usefulness of magnetic resonance angiography for diagnosis of scimitar syndrome in early infancy. Am J Cardiol. 2005 Nov 01; 96(9):1313-6. View Abstract

  95. Magnetic resonance imaging predictors of coarctation severity. Circulation. 2005 Feb 08; 111(5):622-8. View Abstract

  96. Methods for noninvasive measurement of tissue iron in Cooley's anemia. Ann N Y Acad Sci. 2005; 1054:358-72. View Abstract

  97. Myocardial performance index in pediatric patients after cardiac transplantation. J Am Soc Echocardiogr. 2004 May; 17(5):439-42. View Abstract

  98. Magnetic resonance imaging evaluation of myocardial perfusion and viability in congenital and acquired pediatric heart disease. Am J Cardiol. 2004 Mar 01; 93(5):657-61. View Abstract

  99. Comparison between phase-velocity cine magnetic resonance imaging and invasive oximetry for quantification of atrial shunts. Am J Cardiol. 2003 Jun 15; 91(12):1523-5, A9. View Abstract
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