David Balzer, M.D.  balzerdt@wustl.edu

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Director - Interim, Cardiology
Researcher, Patient Oriented Research Unit

phone: (314) 454-6095


  • MD, Saint Louis University School of Medicine1985


  • Resident, Cardinal Glennon Children's Hospital1985 - 1988
  • Fellowship, Washington University School of Medicine St. Louis Children's Hospital1991 - 1994

Licensure and Board Certification

  • 1986 - PresMO, Medical License
  • 1989 - 2013American Board of Pediatrics
  • 1996 - PresABP, Sub-Board of Pediatric Cardiology
  • 2001 - PresAGA Medical Corporation. Proctor for ASD, VSD, PDA, PFO device placement
  • 2005 - PresAGA Medical Corporation. Muscular VSD advisory board
  • 2007 - PresWL Gore. Consultant for ASD device
  • 2012 - Pres2012 - Pres Medtronic. Proctor for Melody valve


  • Benjamin H. Cohen Memorial Award in Pediatrics1988
  • Ross Laboratory Award for Neonatology1988
  • St. Louis Best Doctors, St. Louis Magazine2006
  • St. Louis Best Doctors, St. Louis Magazine2007
  • St. Louis Best Doctors, St. Louis Magazine2008
  • St. Louis Best Doctors, St. Louis Magazine2009
  • St. Louis Best Doctors, St. Louis Magazine2010
  • St. Louis Best Doctors, St. Louis Magazine2011
  • St. Louis Best Doctors, St. Louis Magazine2012
  • St. Louis Best Doctors, St. Louis Magazine2013
  • Distinguished Clinician Award Washington University School of Medicine2014
  • St Louis Best Doctors, St. Louis Magazine2014
  • St. Louis Best Doctors, St. Louis Magazine2015
  • St Louis Best Doctors, St. Louis Magazine2016
  • St. Louis Best Doctors, St. Louis Magazine2017
  • St. Louis Best Doctors, St. Louis Magazine2018

Recent Publications view all (77)

  1. Modified delivery of SAPIEN 3 valve in the pulmonary position: Evolution of technique or dire need? Catheter Cardiovasc Interv. 2018. doi:10.1002/ccd.27946  PMID:30408317 
  2. Intentional fracture of bioprosthetic valve frames in patients undergoing valve-in-valve transcatheter pulmonary valve replacement Circ Cardiovasc Interv. 2018;11(8):e006453. doi:10.1161/CIRCINTERVENTIONS.118.006453  PMID:30354783 
  3. Transcatheter pulmonary valve replacement using the melody valve for treatment of dysfunctional surgical bioprostheses: A multicenter study. J Thorac Cardiovasc Surg. 2018;155(4):1712-1724. doi:10.1016/j.jtcvs.2017.10.143  PMID:29395214 
  4. Transcatheter Pulmonary Valve Replacement With the Melody Valve in Small Diameter Expandable Right Ventricular Outflow Tract Conduits. JACC Cardiovasc Interv. 2018;11(6):554-564. PMID:29566801 
  5. Percutaneous transcatheter pulmonary valve replacement in children weighing less than 20 kg. Catheter Cardiovasc Interv. 2018;91(3):485-494. doi:10.1002/ccd.27432  PMID:29193671 
  6. Post-operative Catheterization Interventions at the Site of Surgery: An Application of the CRISP Scoring System. Pediatr Cardiol. 2018. PMID:29327147 
  7. Fracturing a dysfunctional Edwards Perimount bioprosthetic valve to facilitate percutaneous valve-in-valve placement of SAPIEN 3 valve with modified delivery system. Catheter Cardiovasc Interv. 2018;91(1):81-85. PMID:29024339 
  8. Long-Term Outcomes of Patent Foramen Ovale Closure or Medical Therapy after Stroke. N Engl J Med. 2017;377(11):1022-1032. PMID:28902590 
  9. Circulatory Support Using the Impella Device in Fontan Patients with Systemic Ventricular Dysfunction: A Multicenter Experience Catheter Cardiovasc Interv. 2017;90(1):118-123. doi:10.1002/ccd.26885  
  10. Impact of Transcatheter Pulmonary Valve Replacement on Tricuspid Regurgitation in Patients with Right Ventricular Pressure and/or Volume Overload JACC. 2016;68(14):1525-1535. PMID:27687194 
  11. Percutaneous Pulmonary Valve Implantation Alters Electrophysiologic Substrate. J Am Heart Assoc. 2016;5(10):e004325. PMID:27694326 
  12. Radiation Exposure by Three-Dimensional Rotational Angiography (3DRA) During Trans-catheter Melody Pulmonary Valve Procedures (TMPV) in a Pediatric Cardiac Catheterization Laboratory. Pediatr Cardiol. 2016. PMID:27452802 
  13. Transcatheter implantation of SAPIEN 3 valve in native right ventricular outflow tract for severe pulmonary regurgitation following tetralogy of fallot repair. Catheter Cardiovasc Interv. 2016;88(1):E28-33. PMID:26945801 
  14. Improved survival after heart transplant for failed Fontan patients with preserved ventricular function. J Heart Lung Transplant. 2016. doi:10.1016/j.healun.2016.02.005  PMID:27068035 
  15. Percutaneous carotid artery access in infants < 3 months of age. Catheter Cardiovasc Interv. 2015. doi:10.1002/ccd.26310  PMID:26697954 
  16. Sedation and Anesthesia in Pediatric and Congenital Cardiac Catheterization: A Prospective Multicenter Experience. Pediatr Cardiol. 2015;36(7):1363-75. doi:10.1007/s00246-015-1167-8  PMID:25991570 
  17. Case 2: Refractory Hypertension in a Neonate NeoReviews. 2015;16(8):e493-e496. doi:10.1542/neo.16-8-e497  
  18. Case Report: Percutaneous Closure of an Ascending Aortic Pseudoaneurysm by 3D Angiography Guidance. Methodist Debakey Cardiovasc J. 2015;11(2):137-9. doi:10.14797/mdcj-11-2-137  PMCID:PMC4547670  PMID:26306133 
  19. One-year follow-up of the Melody transcatheter pulmonary valve multicenter post-approval study. JACC Cardiovasc Interv. 2014;7(11):1254-62. doi:10.1016/j.jcin.2014.08.002  PMID:25459038 
  20. Treatment of cardiovascular complications of Alagille syndrome in clinical optimization for liver transplantation. Int J Cardiol. 2014;176(2):e37-40. doi:10.1016/j.ijcard.2014.04.187  PMID:25091721 
  21. Left main coronary artery dissection in pediatric sport-related chest trauma. J Emerg Med. 2014. doi:10.1016/j.jemermed.2014.04.034  PMID:24928544 
  22. Intracardiac Echocardiographic Atrial Septal Defect Closure. Methodist Debakey Cardiovasc J. 2014;10(2):88-92. PMCID:PMC5396469  PMID:28435521 
  23. Contemporary transcatheter interventions in adult congenital heart disease. Methodist Debakey Cardiovasc J. 2014;10(2):62. PMCID:PMC4117321  PMID:25114755 
  24. Incidence and management of life-threatening adverse events during cardiac catheterization for congenital heart disease. Pediatr Cardiol. 2014;35(1):140-8. doi:10.1007/s00246-013-0752-y  PMCID:PMC3882522  PMID:23900744 
  25. Closure of patent foramen ovale versus medical therapy after cryptogenic stroke. N Engl J Med. 2013;368(12):1092-100. doi:10.1056/NEJMoa1301440  PMID:23514286 
  26. Transcatheter ventricular septal defect (VSD) creation for restrictive VSD in double-outlet right ventricle. Pediatr Cardiol. 2013;34(3):743-7. doi:10.1007/s00246-012-0337-1  PMCID:PMC3586406  PMID:22580772 
  27. Transcatheter ventricular septal defect creation for restrictive VSD in double outlet right ventricle. Pediatric Cardiol. 2013;34(3):743-7. doi:10.1007/s00246-012-0337-1  PMID:22580772 
  28. Noninvasive detection of transplant coronary artery disease with contrast-enhanced cardiac MRI in pediatric cardiac transplants. J Heart Lung Transplant. 2012;31(11):1234-5. doi:10.1016/j.healun.2012.06.001  PMID:22749830 
  29. Spontaneous echocardiographic contrast associated with portosystemic shunt due to persistent patent ductus venosus. Congenit Heart Dis. 2012;7(3):E18-21. doi:10.1111/j.1747-0803.2011.00587.x  PMID:22129147 
  30. Defect closure in the lipomatous hypertrophied atrial septum with the Amplatzer muscular ventricular septal defect closure device: a case series. Catheter Cardiovasc Interv. 2011;78(1):102-7. doi:10.1002/ccd.22858  PMID:21416575 
  31. Successful subxyphoid hybrid approach for placement of a Melody percutaneous pulmonary valve. Catheter Cardiovasc Interv. 2011;78(1):108-11. doi:10.1002/ccd.22930  PMID:21234917 
  32. Catheterization for congenital heart disease adjustment for risk method (charm) J Am Coll Cardiol Intv. 2011;4(9):1037-46. doi:10.1016/j.jcin.2011.05.021  PMID:21939947 
  33. Procedure-type risk categories for pediatric and congenital cardiac catheterization. Circ Cardiovasc Interv. 2011;4(2):188-94. doi:10.1161/CIRCINTERVENTIONS.110.959262  PMID:21386090 
  34. Transcatheter closures of a postinfarction ventricular septal defect and late ventricular pseudoaneurysm. J Invasive Cardiol. 2010;22(7):E132-7. PMID:20603516 
  35. Adverse Event Rates in Congenital Cardiac Catheterization - A Multi-Center Experience. Catheter Cardiovasc Interv. 2010;3:389. 
  36. Propranolol treatment for hemangioma of infancy: risks and recommendations. Pediatric Dermatology . 2010;3:319. 
  37. Hypoplastic left heart associated with scimitar syndrome. Pediatr Cardiol. 2009;30(7):1037-8. doi:10.1007/s00246-009-9479-1  PMID:19495846 
  38. Multiple coronary artery fistulae treated with a single amplatzer vascular plug: Check the back door when the front is locked. Cathet Cardiovasc Interv . 2009;73(3):390. 
  39. Biventricular assist devices as a bridge to heart transplantation in small children. Circulation. 2008;118(14 Suppl):S89-93. doi:10.1161/CIRCULATIONAHA.107.754002  PMID:18824776 
  40. Percutaneous closure of a complex post-traumatic VSD Cath Cardiovasc Interv. 2008;72(1):408. 
  41. Beyond Berlin: heart transplantation in the "untransplantable". J Thorac Cardiovasc Surg. 2008;136(2):529-31. doi:10.1016/j.jtcvs.2008.01.032  PMID:18692672 
  42. Endovascular stent placement for RV to PA conduit stenosis in the norwood with sano modification. Congenit Heart Dis. 2008;3:185. 
  43. Electrocardiographic diagnosis of myocardial ischemia in children: is a diagnostic electrocardiogram always diagnostic? Pediatrics. 2007;120(2):440-4. doi:10.1542/peds.2007-0170  PMID:17671071 
  44. Surveillance for transplant coronary artery disease in infant, child and adolescent heart transplant recipients: an intravascular ultrasound study. J Heart Lung Transplant. 2006;25(8):921-7. doi:10.1016/j.healun.2006.03.022  PMID:16890112 
  45. Transcatheter closure of perimembraneous ventricular septal defects using the new amplatzer membraneous VSD occluder: Results of the U.S. phase I trial. J Am Coll Cardiol. 2006;47:319. 
  46. Transcatheter closure of large secundum atrial septal defects using the 40 mm Amplatzer septal occluder: results of an international registry. Catheter Cardiovasc Interv. 2005;66(4):580. 
  47. Transcatheter repair of recurrent postinfarct ventricular septal defects. Ann Thorac Surg. 2005;80(5):1907-9. doi:10.1016/j.athoracsur.2004.06.006  PMID:16242481 
  48. Relation of age, severity of illness, and hemodynamics with brain natriuretic peptide levels in patients <20 years of age with heart disease. Am J Cardiol. 2005;96(6):847-50. doi:10.1016/j.amjcard.2005.05.034  PMID:16169375 
  49. Left main stem coronary artery stenting in a 3-month-old child after anomalous left coronary artery from pulmonary artery repair. Ped Cardiol.. 2005;26(5):734. 
  50. Transcatheter occlusion of a large pulmonary avm using the amplatzer vascular plug. Pediatric Cardiology. 2004;26(5):683. 
  51. Device closure of muscular ventricular septal defects using the amplatzer muscular VSD occluder: immediate and mid-term results of a US registry. J Am Coll Cardiol . 2004;43:1257. 
  52. Transcatheter closure of post infarction ventricular septal defects using the new amplatzer muscular VSD occluder: results of a US registry. Catheter Cardiovasc Interv. 2004;61:196. 
  53. Novel use of the Amplatzer duct occluder to close perivalvar leak involving a prosthetic mitral valve. Catheter Cardiovasc Interv. 2004;61(4):548-51. doi:10.1002/ccd.10785  PMID:15065155 
  54. Transcatheter occlusion of baffle leaks following atrial switch procedures for transposition of the great vessels (d-TGV). Catheter Cardiovasc Interv. 2004;61(2):259-63. doi:10.1002/ccd.10740  PMID:14755824 
  55. Radiofrequency perforation in the treatment of acquired left pulmonary artery atresia following repair of tetralogy of Fallot. Catheter Cardiovasc Interv. 2003;60(1):79-81. doi:10.1002/ccd.10605  PMID:12929107 
  56. Transcatheter closure of recurrent postmyocardial infarction ventricular septal defects utilizing the Amplatzer postinfarction VSD device: a case series. Catheter Cardiovasc Interv. 2003;59(2):238-43. doi:10.1002/ccd.10510  PMID:12772250 
  57. Inhaled Nitric Oxide as a Preoperative Test (INOP Test I): the INOP Test Study Group. Circulation. 2002;106(12 Suppl 1):I76-81. PMID:12354713 
  58. Cardiac transplantation for pediatric restrictive cardiomyopathy: presentation, evaluation, and short-term outcome. J Heart Lung Transplant. 2002;21(4):455-9. PMID:11927222 
  59. Lung transplantation for pulmonary vascular disease. Ann Thorac Surg. 2002;73(1):209-17; discussion 217-9. PMID:11834012 
  60. Outcome after diagnosis of moderate-severe transplant coronary artery disease (TCAD) in pediatric heart transplant recipients. J Heart Lung Transplant. 2001;20(2):261. 
  61. Repair of anomalous left main coronary artery arising from the pulmonary artery in infants-long term impact on the mitral valve. Ann Thor Surg 2001;71:1985-1989 Ann Thor Surg. 2001;71:1985. 
  62. Resolution of right heart enlargement after closure of secundum ASD with transcatheter technique. J Am Coll Cardiol. 2001;38(5):1528. 
  63. Long-term prostacyclin infusion to reduce pulmonary hypertension in a pediatric cardiac transplant candidate prior to transplantation. J Heart Lung Transplant. 2001;20:785. 
  64. Echocardiographic predictors of left-to-right shunt in atrial septal defects. J Amer Soc Echo. 2000;13:1038. 
  65. Transplant coronary disease in pediatric heart transplant recipients. J Heart Lung Transplant. 2000;19:240. 
  66. Increased morbidity and high variability of cyclosporine levels in pediatric heart transplant recipients. J Heart Lung Transplant. 2000;19:337. 
  67. Selective coronary angiography in pediatric patients Pediatr Cardiol. 2000;8(3):285. 
  68. Rejection with heart failure after pediatric cardiac transplantation. Ann Thor Surg . 1999;68:176. 
  69. Patterns and potential value of cardiac troponin I elevations after pediatric cardiac operations. Ann Thor Surg. 1998;65:1394. 
  70. Lung retransplantation in children. Ann Thor Surg. 1998;66(1):199. 
  71. Pediatric lung transplantation at St. Louis Children's Hospital Am J Resp Crit Care Med. 1997;155(3):1027. 
  72. Transhepatic venous access for diagnostic and interventional cardiovascular procedures. JVIR. 1996;7:579. 
  73. Utility of surveillance biopsies in infant heart transplant recipients. J Heart Lung Transplant. 1995;14:1095. 
  74. Pediatric endomyocardial biopsy performed solely with echocardiographic guidance. J Am Soc Echocardiog. 1993;6(5):510. 
  75. Endarteritis associated with a clinically silent patent ductus arteriosus. Am Heart J. 1993;125:1192. 
  76. Ductus Arteriosus Stenting versus Surgical Systemic to Pulmonary Arterial Shunt for Ductal Dependent Pulmonary Blood Flow Catheter Cardiovasc Interv. 
  77. Longitudinal Improvements in Radiation Exposure in Cardiac Catheterization for Congenital Heart Disease: A Prospective Multi-Center C3PO-QI Study Circulation: Cardiovascular Interventions. 
Last updated: 05/14/2019
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