American Journal of Cardiology
Volume 104, Issue 6 , Pages 850-855 , 15 September 2009

Effects of Percutaneous Aortic Valve Replacement on Coronary Blood Flow Assessed With Transesophageal Doppler Echocardiography in Patients With Severe Aortic Stenosis

Received 17 March 2009 ,Revised 2 May 2009 ,Accepted 2 May 2009.

References 

  1. Nemes A, Forster T, Csanády M. Decreased aortic distensibility and coronary flow velocity reserve in patients with significant aortic valve stenosis with normal epicardial coronary arteries. J Heart Valve Dis. 2004;13:567–573
  2. Bakhtiary F, Schiemann M, Dzemali O, Wittlinger T, Doss M, Ackermann H, et al. Stentless bioprostheses improve postoperative coronary flow more than stented prostheses after valve replacement for aortic stenosis. J Thorac Cardiovasc Surg. 2006;131:883–888
  3. Nemes A, Forster T, Kovács Z, Thury A, Ungi I, Csanády M. The effect of aortic valve replacement on coronary flow reserve in patients with a normal coronary angiogram. Herz. 2002;27:780–784
  4. Hildick-Smith DJ, Shapiro LM. Coronary flow reserve improves after aortic valve replacement for aortic stenosis: an adenosine transthoracic echocardiography study. J Am Coll Cardiol. 2000;36:1889–1896
  5. Gadallah S, Thaker KB, Kawanishi D, Mehra A, Lau S, Rashtian M, et al. Comparison of intracoronary Doppler guide wire and transesophageal echocardiography in measurement of flow velocity and coronary flow reserve in the left anterior descending coronary artery. Am Heart J. 1998;135:38–42
  6. Pichard AD, Gorlin R, Midwall J, Weintraub W, Ambrose J, Patterson R, et al. Coronary vascular reserve in left ventricular hypertrophy. Am J Cardiol. 1979;43:379
  7. Nygaard H, Paulsen PK, Hasenkam JM, Kromann-Hansen O, Pedersen EM, Rovsing PE. Quantitation of the turbulent stress distribution downstream of normal, diseased and artificial aortic valves in humans. Eur J Cardiothorac Surg. 1992;6:609–617
  8. Kume T, Akasaka T, Kawamoto T, Watanabe N, Yoshitani H, Akiyama M, et al. Mechanisms of impaired coronary flow reserve in patients with aortic stenosis: transthoracic Doppler echocardiographic study. J Cardiol. 2004;43:173–178
  9. Rajappan K, Rimoldi OE, Dutka DP, Ariff B, Pennell DJ, Sheridan DJ, et al. Mechanisms of coronary microcirculatory dysfunction in patients with aortic stenosis and angiographically normal coronary arteries. Circulation. 2002;105:470–476
  10. Garcia D, Camici PG, Durand LG, Rajappan K, Gaillard E, Rimoldi OE, et al. Impairment of coronary flow reserve in aortic stenosis. J Appl Physiol. 2009;106:113–121
  11. Guarracino F, Petronio S, Talini E, De Carlo M, Ginnini C, Stefani M, et al. Surgical and percutaneous aortic valve replacement have different impact on diastolic phase in elderly patients with aortic valve stenosis. J Am Coll Cardiol. 2009;53:A403–A418

PII: S0002-9149(09)01047-9

doi: 10.1016/j.amjcard.2009.05.012

American Journal of Cardiology
Volume 104, Issue 6 , Pages 850-855 , 15 September 2009