Harvard Catalyst Profiles

Contact, publication, and social network information about Harvard faculty and fellows.

Andrew James Powell, M.D.

Co-Author

This page shows the publications co-authored by Andrew Powell and Tal Geva.
Connection Strength

9.112
  1. Factors associated with impaired clinical status in long-term survivors of tetralogy of Fallot repair evaluated by magnetic resonance imaging. J Am Coll Cardiol. 2004 Mar 17; 43(6):1068-74.
    View in: PubMed
    Score: 0.285
  2. 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 in: PubMed
    Score: 0.271
  3. Gadolinium-enhanced 3-dimensional magnetic resonance angiography of pulmonary blood supply in patients with complex pulmonary stenosis or atresia: comparison with x-ray angiography. Circulation. 2002 Jul 23; 106(4):473-8.
    View in: PubMed
    Score: 0.254
  4. Impact of pulmonary valve replacement on left ventricular rotational mechanics in repaired tetralogy of Fallot. J Cardiovasc Magn Reson. 2021 05 24; 23(1):61.
    View in: PubMed
    Score: 0.235
  5. Accuracy of MRI evaluation of pulmonary blood supply in patients with complex pulmonary stenosis or atresia. Int J Card Imaging. 2000 Jun; 16(3):169-74.
    View in: PubMed
    Score: 0.219
  6. Phase-velocity cine magnetic resonance imaging measurement of pulsatile blood flow in children and young adults: in vitro and in vivo validation. Pediatr Cardiol. 2000 Mar-Apr; 21(2):104-10.
    View in: PubMed
    Score: 0.215
  7. Blood flow measurement by magnetic resonance imaging in congenital heart disease. Pediatr Cardiol. 2000 Jan-Feb; 21(1):47-58.
    View in: PubMed
    Score: 0.213
  8. Preoperative Predictors of Death and Sustained Ventricular Tachycardia After Pulmonary Valve Replacement in Patients With Repaired Tetralogy of Fallot Enrolled in the INDICATOR Cohort. Circulation. 2018 11 06; 138(19):2106-2115.
    View in: PubMed
    Score: 0.197
  9. Impact of surgical pulmonary valve replacement on ventricular strain and synchrony in patients with repaired tetralogy of Fallot: a cardiovascular magnetic resonance feature tracking study. J Cardiovasc Magn Reson. 2018 06 18; 20(1):37.
    View in: PubMed
    Score: 0.191
  10. Usefulness of Pulmonary Arterial End-Diastolic Forward Flow Late After Tetralogy of Fallot Repair to Predict a "Restrictive" Right Ventricle. Am J Cardiol. 2018 06 01; 121(11):1380-1386.
    View in: PubMed
    Score: 0.188
  11. Free-breathing whole-heart 3D cine magnetic resonance imaging with prospective respiratory motion compensation. Magn Reson Med. 2018 07; 80(1):181-189.
    View in: PubMed
    Score: 0.185
  12. Accelerated whole-heart MR angiography using a variable-density poisson-disc undersampling pattern and compressed sensing reconstruction. Magn Reson Med. 2018 02; 79(2):761-769.
    View in: PubMed
    Score: 0.177
  13. Cardiovascular Magnetic Resonance Findings Late After the Arterial Switch Operation. Circ Cardiovasc Imaging. 2016 09; 9(9).
    View in: PubMed
    Score: 0.169
  14. Myocardial Fibrosis in Congenital Heart Disease. Circ J. 2016 May 25; 80(6):1300-7.
    View in: PubMed
    Score: 0.165
  15. Prospective heart tracking for whole-heart magnetic resonance angiography. Magn Reson Med. 2017 02; 77(2):759-765.
    View in: PubMed
    Score: 0.162
  16. Myocardial ECV Fraction Assessed by CMR Is Associated With Type of Hemodynamic Load and Arrhythmia in Repaired Tetralogy of Fallot. JACC Cardiovasc Imaging. 2016 Jan; 9(1):1-10.
    View in: PubMed
    Score: 0.161
  17. Reply: To PMID 25483002. Ann Thorac Surg. 2015 Dec; 100(6):2419-20.
    View in: PubMed
    Score: 0.160
  18. Cardiac magnetic resonance markers of progressive RV dilation and dysfunction after tetralogy of Fallot repair. Heart. 2015 Nov; 101(21):1724-30.
    View in: PubMed
    Score: 0.157
  19. Left Ventricular Strain and Myocardial Fibrosis in Congenital Aortic Stenosis. Am J Cardiol. 2015 Oct 15; 116(8):1257-62.
    View in: PubMed
    Score: 0.157
  20. Three-dimensional heart locator and compressed sensing for whole-heart MR angiography. Magn Reson Med. 2016 May; 75(5):2086-93.
    View in: PubMed
    Score: 0.155
  21. Resting heart rate influences right ventricular volume in repaired tetralogy of Fallot. Pediatr Cardiol. 2015 Apr; 36(4):813-20.
    View in: PubMed
    Score: 0.150
  22. Right ventricular remodeling after pulmonary valve replacement: early gains, late losses. Ann Thorac Surg. 2015 Feb; 99(2):660-6.
    View in: PubMed
    Score: 0.150
  23. Cardiovascular magnetic resonance parameters associated with early transplant-free survival in children with small left hearts following conversion from a univentricular to biventricular circulation. J Cardiovasc Magn Reson. 2014 Oct 07; 16:73.
    View in: PubMed
    Score: 0.148
  24. Free-breathing steady-state free precession cine cardiac magnetic resonance with respiratory navigator gating. Magn Reson Med. 2015 Apr; 73(4):1555-61.
    View in: PubMed
    Score: 0.144
  25. Myocardial extracellular remodeling is associated with ventricular diastolic dysfunction in children and young adults with congenital aortic stenosis. J Am Coll Cardiol. 2014 May 06; 63(17):1778-85.
    View in: PubMed
    Score: 0.142
  26. Cardiac magnetic resonance parameters predict transplantation-free survival in patients with fontan circulation. Circ Cardiovasc Imaging. 2014 05; 7(3):502-9.
    View in: PubMed
    Score: 0.142
  27. Contemporary predictors of death and sustained ventricular tachycardia in patients with repaired tetralogy of Fallot enrolled in the INDICATOR cohort. Heart. 2014 Feb; 100(3):247-53.
    View in: PubMed
    Score: 0.139
  28. Three-dimensional heart locator for whole-heart coronary magnetic resonance angiography. Magn Reson Med. 2014 Jun; 71(6):2118-26.
    View in: PubMed
    Score: 0.136
  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 in: PubMed
    Score: 0.134
  30. Cardiac magnetic resonance versus routine cardiac catheterization before bidirectional Glenn anastomosis: long-term follow-up of a prospective randomized trial. J Thorac Cardiovasc Surg. 2013 Nov; 146(5):1172-8.
    View in: PubMed
    Score: 0.132
  31. Rationale and design of an International Multicenter Registry of patients with repaired tetralogy of Fallot to define risk factors for late adverse outcomes: the INDICATOR cohort. Pediatr Cardiol. 2013 Jan; 34(1):95-104.
    View in: PubMed
    Score: 0.126
  32. Comparison of cardiac MRI tissue tracking and myocardial tagging for assessment of regional ventricular strain. Int J Cardiovasc Imaging. 2012 Dec; 28(8):2009-18.
    View in: PubMed
    Score: 0.124
  33. 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 in: PubMed
    Score: 0.122
  34. 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 in: PubMed
    Score: 0.119
  35. Regional dysfunction of the right ventricular outflow tract reduces the accuracy of Doppler tissue imaging assessment of global right ventricular systolic function in patients with repaired tetralogy of Fallot. J Am Soc Echocardiogr. 2011 Jun; 24(6):637-43.
    View in: PubMed
    Score: 0.116
  36. Outcomes of inferior sinus venosus defect repair. J Thorac Cardiovasc Surg. 2011 Sep; 142(3):517-22.
    View in: PubMed
    Score: 0.115
  37. Randomized trial of pulmonary valve replacement with and without right ventricular remodeling surgery. Circulation. 2010 Sep 14; 122(11 Suppl):S201-8.
    View in: PubMed
    Score: 0.112
  38. 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 in: PubMed
    Score: 0.109
  39. Multimodality noninvasive imaging for assessment of congenital heart disease. Circ Cardiovasc Imaging. 2010 Jan; 3(1):112-25.
    View in: PubMed
    Score: 0.106
  40. Effects of regional dysfunction and late gadolinium enhancement on global right ventricular function and exercise capacity in patients with repaired tetralogy of Fallot. Circulation. 2009 Mar 17; 119(10):1370-7.
    View in: PubMed
    Score: 0.101
  41. Feasibility of dobutamine stress cardiovascular magnetic resonance imaging in children. J Magn Reson Imaging. 2009 Feb; 29(2):313-9.
    View in: PubMed
    Score: 0.100
  42. Reproducibility of MRI measurements of right ventricular size and function in patients with normal and dilated ventricles. J Magn Reson Imaging. 2008 Jul; 28(1):67-73.
    View in: PubMed
    Score: 0.096
  43. Accuracy of guideline recommendations for two-dimensional quantification of the right ventricle by echocardiography. Int J Cardiovasc Imaging. 2008 Oct; 24(7):691-8.
    View in: PubMed
    Score: 0.095
  44. Prenatal diagnosis of thoracic ectopia cordis by real-time fetal cardiac magnetic resonance imaging and by echocardiography. Congenit Heart Dis. 2008 Mar-Apr; 3(2):128-31.
    View in: PubMed
    Score: 0.094
  45. Cardiac magnetic resonance versus routine cardiac catheterization before bidirectional glenn anastomosis in infants with functional single ventricle: a prospective randomized trial. Circulation. 2007 Dec 04; 116(23):2718-25.
    View in: PubMed
    Score: 0.092
  46. Range of ventricular dimensions and function by steady-state free precession cine MRI in repaired tetralogy of Fallot: right ventricular outflow tract patch vs. conduit repair. J Magn Reson Imaging. 2007 Oct; 26(4):934-40.
    View in: PubMed
    Score: 0.091
  47. Safety and efficacy of carvedilol therapy for patients with dilated cardiomyopathy secondary to muscular dystrophy. Pediatr Cardiol. 2008 Mar; 29(2):343-51.
    View in: PubMed
    Score: 0.091
  48. Usefulness of magnetic resonance imaging evaluation of congenital left ventricular aneurysms. Am J Cardiol. 2007 Jul 15; 100(2):310-5.
    View in: PubMed
    Score: 0.089
  49. Cardiac magnetic resonance imaging evaluation of sinus venosus defects: comparison to surgical findings. Pediatr Cardiol. 2007 Jan-Feb; 28(1):51-6.
    View in: PubMed
    Score: 0.087
  50. Risk factors for adverse events during cardiovascular magnetic resonance in congenital heart disease. J Cardiovasc Magn Reson. 2007; 9(5):793-8.
    View in: PubMed
    Score: 0.086
  51. Ventricular size and function assessed by cardiac MRI predict major adverse clinical outcomes late after tetralogy of Fallot repair. Heart. 2008 Feb; 94(2):211-6.
    View in: PubMed
    Score: 0.086
  52. 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 in: PubMed
    Score: 0.085
  53. Usefulness of magnetic resonance imaging of left ventricular endocardial fibroelastosis in infants after fetal intervention for aortic valve stenosis. Am J Cardiol. 2005 Dec 01; 96(11):1568-70.
    View in: PubMed
    Score: 0.079
  54. Images in cardiovascular medicine. Cardiac hemangioma. Circulation. 2005 Aug 23; 112(8):e103-4.
    View in: PubMed
    Score: 0.079
  55. Effects of metallic implants on magnetic resonance imaging evaluation of Fontan palliation. Am J Cardiol. 2005 Mar 01; 95(5):688-91.
    View in: PubMed
    Score: 0.076
  56. Magnetic resonance imaging predictors of coarctation severity. Circulation. 2005 Feb 08; 111(5):622-8.
    View in: PubMed
    Score: 0.076
  57. Clinical role, accuracy, and technical aspects of cardiovascular magnetic resonance imaging in infants. Am J Cardiol. 2004 Jul 01; 94(1):69-74.
    View in: PubMed
    Score: 0.073
  58. 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 in: PubMed
    Score: 0.071
  59. Magnetic resonance imaging evaluation of cardiac tumor characteristics in infants and children. Am J Cardiol. 2002 May 15; 89(10):1229-33.
    View in: PubMed
    Score: 0.063
  60. Coronary magnetic resonance angiography in adolescents and young adults with kawasaki disease. Circulation. 2002 Feb 26; 105(8):908-11.
    View in: PubMed
    Score: 0.062
  61. Gadolinium-enhanced three-dimensional magnetic resonance angiography of pulmonary and systemic venous anomalies. J Am Coll Cardiol. 2002 Jan 16; 39(2):335-41.
    View in: PubMed
    Score: 0.061
  62. Effect of acquisition parameters on the accuracy of velocity encoded cine magnetic resonance imaging blood flow measurements. J Magn Reson Imaging. 2002 Jan; 15(1):47-54.
    View in: PubMed
    Score: 0.061
  63. Integrated Clinical and Magnetic Resonance Imaging Assessments Late After Fontan Operation. J Am Coll Cardiol. 2021 05 25; 77(20):2480-2489.
    View in: PubMed
    Score: 0.059
  64. Coronary echocardiography in tetralogy of fallot: diagnostic accuracy, resource utilization and surgical implications over 13 years. J Am Coll Cardiol. 2000 Oct; 36(4):1371-7.
    View in: PubMed
    Score: 0.056
  65. 3D-shaded surface rendering of gadolinium-enhanced MR angiography in congenital heart disease. Pediatr Radiol. 2000 Aug; 30(8):540-5.
    View in: PubMed
    Score: 0.055
  66. Maldistribution of pulmonary blood flow in patients after the Fontan operation is associated with worse exercise capacity. J Cardiovasc Magn Reson. 2018 12 17; 20(1):85.
    View in: PubMed
    Score: 0.050
  67. Evaluation of regional differences in right ventricular systolic function by acoustic quantification echocardiography and cine magnetic resonance imaging. Circulation. 1998 Jul 28; 98(4):339-45.
    View in: PubMed
    Score: 0.048
  68. Impact of Ventricular Morphology on Fiber Stress and Strain in Fontan Patients. Circ Cardiovasc Imaging. 2018 07; 11(7):e006738.
    View in: PubMed
    Score: 0.048
  69. Inefficient Ventriculoarterial Coupling in Fontan Patients: A Cardiac Magnetic Resonance Study. Pediatr Cardiol. 2018 Apr; 39(4):763-773.
    View in: PubMed
    Score: 0.047
  70. Left and right ventricular dyssynchrony and strains from cardiovascular magnetic resonance feature tracking do not predict deterioration of ventricular function in patients with repaired tetralogy of Fallot. J Cardiovasc Magn Reson. 2016 08 22; 18(1):49.
    View in: PubMed
    Score: 0.042
  71. Right ventricular morphology and function following stage I palliation with a modified Blalock-Taussig shunt versus a right ventricle-to-pulmonary artery conduit. Eur J Cardiothorac Surg. 2017 Jan; 51(1):50-57.
    View in: PubMed
    Score: 0.042
  72. Interactive Whole-Heart Segmentation in Congenital Heart Disease. Med Image Comput Comput Assist Interv. 2015 Oct; 9351:80-88.
    View in: PubMed
    Score: 0.040
  73. Persistent Aortic Arch Hypoplasia After Coarctation Treatment Is Associated With Late Systemic Hypertension. J Am Heart Assoc. 2015 Jun 25; 4(7).
    View in: PubMed
    Score: 0.039
  74. 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 in: PubMed
    Score: 0.036
  75. Impact of transcatheter pulmonary valve replacement on biventricular strain and synchrony assessed by cardiac magnetic resonance feature tracking. Circ Cardiovasc Interv. 2013 Dec; 6(6):680-7.
    View in: PubMed
    Score: 0.035
  76. Great vessel root and artery dimensions in transposition of the great arteries repaired with atrial switch operation. Pediatr Cardiol. 2014 Mar; 35(3):457-62.
    View in: PubMed
    Score: 0.035
  77. 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 in: PubMed
    Score: 0.033
  78. 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 in: PubMed
    Score: 0.028
  79. Long-term pulmonary regurgitation following balloon valvuloplasty for pulmonary stenosis risk factors and relationship to exercise capacity and ventricular volume and function. J Am Coll Cardiol. 2010 Mar 09; 55(10):1041-7.
    View in: PubMed
    Score: 0.027
  80. Images in cardiovascular medicine. Right aortic arch with aberrant left innominate artery: a rare vascular ring. Circulation. 2009 Jul 21; 120(3):264-5.
    View in: PubMed
    Score: 0.026
  81. 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 in: PubMed
    Score: 0.026
  82. Matrix-array 3-dimensional echocardiographic assessment of volumes, mass, and ejection fraction in young pediatric patients with a functional single ventricle: a comparison study with cardiac magnetic resonance. Circulation. 2008 Apr 08; 117(14):1842-8.
    View in: PubMed
    Score: 0.024
  83. Cardiac magnetic resonance imaging correlates of exercise capacity in patients with surgically repaired tetralogy of Fallot. Am J Cardiol. 2007 Nov 01; 100(9):1446-50.
    View in: PubMed
    Score: 0.023
  84. Anaesthesia considerations for cardiac MRI in infants and small children. Paediatr Anaesth. 2004 Jun; 14(6):471-6.
    View in: PubMed
    Score: 0.018
Connection Strength
The connection strength for co-authors is the sum of the scores for each of their shared publications.

Publication scores are based on many factors, including how long ago they were written and whether the person is a first or senior author.
Funded by the NIH National Center for Advancing Translational Sciences through its Clinical and Translational Science Awards Program, grant number UL1TR002541.