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, Pediatric Cardiology

PUBLICATIONS

Publications powered by Harvard Catalyst Profiles

  1. Association of Myocarditis With BNT162b2 Messenger RNA COVID-19 Vaccine in a Case Series of Children. JAMA Cardiol. 2021 Aug 10. View abstract
  2. 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
  3. Acute and Short-Term Outcomes of Percutaneous Transcatheter Mitral Valve Replacement in Children. Circ Cardiovasc Interv. 2021 04; 14(4):e009996. View abstract
  4. 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
  5. Pediatric Heart Network Echocardiographic Z Scores: Comparison with Other Published Models. J Am Soc Echocardiogr. 2021 02; 34(2):185-192. View abstract
  6. 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
  7. Challenges and lessons learned from the Pediatric Heart Network Normal Echocardiogram Database study. Cardiol Young. 2020 Apr; 30(4):456-461. View abstract
  8. 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
  9. Electrocardiographic Abnormalities in Patients With Hutchinson-Gilford Progeria Syndrome-Reply. JAMA Cardiol. 2018 10 01; 3(10):1025. View abstract
  10. 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
  11. 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
  12. Coronary artery compression from epicardial leads: More common than we think. Heart Rhythm. 2018 10; 15(10):1439-1447. View abstract
  13. 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
  14. Stroke in Adults With Coarctation of the Aorta: A National Population-Based Study. J Am Heart Assoc. 2018 06 01; 7(11). View abstract
  15. Cardiac Abnormalities in Patients With Hutchinson-Gilford Progeria Syndrome. JAMA Cardiol. 2018 04 01; 3(4):326-334. View abstract
  16. 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
  17. Inefficient Ventriculoarterial Coupling in Fontan Patients: A Cardiac Magnetic Resonance Study. Pediatr Cardiol. 2018 Apr; 39(4):763-773. View abstract
  18. 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
  19. 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
  20. 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
  21. 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
  22. 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
  23. Persistent Aortic Arch Hypoplasia After Coarctation Treatment Is Associated With Late Systemic Hypertension. J Am Heart Assoc. 2015 Jun 25; 4(7). View abstract
  24. 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
  25. 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
  26. Cardiac magnetic resonance parameters predict transplantation-free survival in patients with fontan circulation. Circ Cardiovasc Imaging. 2014 05; 7(3):502-9. View abstract
  27. 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
  28. 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
  29. 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
  30. 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
  31. 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
  32. 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
  33. 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
  34. 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
  35. 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
  36. 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
  37. 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
  38. Renin-angiotensin-aldosterone genotype influences ventricular remodeling in infants with single ventricle. Circulation. 2011 May 31; 123(21):2353-62. View abstract
  39. Factors associated with serum brain natriuretic peptide levels after the Fontan procedure. Congenit Heart Dis. 2011 Jul-Aug; 6(4):313-21. View abstract
  40. 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
  41. 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
  42. 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
  43. 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
  44. Enalapril in infants with single ventricle: results of a multicenter randomized trial. Circulation. 2010 Jul 27; 122(4):333-40. View abstract
  45. 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
  46. 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
  47. 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
  48. Partial and transitional atrioventricular septal defect outcomes. Ann Thorac Surg. 2010 Feb; 89(2):530-6. View abstract
  49. Multimodality noninvasive imaging for assessment of congenital heart disease. Circ Cardiovasc Imaging. 2010 Jan; 3(1):112-25. View abstract
  50. Cardiac Tumors. in Principles and Practice of Cardiac Magnetic Resonance in Congenital Heart Disease, ed Fogel MA. 2010. View abstract
  51. Coarctation of the Aorta. The American Heart Association Clinical Cardiac Consult. 2010. View abstract
  52. Parent- versus child-reported functional health status after the Fontan procedure. Pediatrics. 2009 Nov; 124(5):e942-9. View abstract
  53. Functional state following the Fontan procedure. Cardiol Young. 2009 Aug; 19(4):320-30. View abstract
  54. 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
  55. 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
  56. 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
  57. 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
  58. Parental understanding of neonatal congenital heart disease. Pediatr Cardiol. 2008 Nov; 29(6):1059-65. View abstract
  59. 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
  60. 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
  61. 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
  62. RAAS gene polymorphisms influence progression of pediatric hypertrophic cardiomyopathy. Hum Genet. 2007 Dec; 122(5):515-23. View abstract
  63. Functional state of patients with heterotaxy syndrome following the Fontan operation. Cardiol Young. 2007 Sep; 17 Suppl 2:44-53. View abstract
  64. 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
  65. 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
  66. The American Heart Association Clinical Cardiac Consult. Nixon JV, editor. Coarctation of the Aorta. 2007; 134-5. View abstract
  67. 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
  68. 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
  69. 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
  70. 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
  71. Magnetic resonance imaging predictors of coarctation severity. Circulation. 2005 Feb 08; 111(5):622-8. View abstract
  72. Methods for noninvasive measurement of tissue iron in Cooley's anemia. Ann N Y Acad Sci. 2005; 1054:358-72. View abstract
  73. Myocardial performance index in pediatric patients after cardiac transplantation. J Am Soc Echocardiogr. 2004 May; 17(5):439-42. View abstract
  74. 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
  75. 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