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American Journal of Cardiology
Volume 102, Issue 10
, Pages 1383-1389
, 15 November 2008
Doppler–Catheter Discrepancies in Patients With Bileaflet Mechanical Prostheses or Bioprostheses in the Aortic Valve Position
References
- . An ultrasound Doppler technique for the noninvasive determination of the pressure gradient in the Bjork-Shiley mitral valve. Circulation. 1979;59:436–442
- . Doppler echocardiograpic evaluation of Hancock and Björk-Shiley prosthetic valves. J Am Coll Cardiol. 1986;7:681–687
- . Comparison of Doppler ultrasound velocity measurements with pressure differences across bioprosthetic valves in a pulsatile flow model. Cardiovasc Res. 1986;20:317–321
- . Are mechanical valves with enhanced inner diameter advantageous in the small sized aortic annulus?. Ann Thorac Surg. 2003;76:1564–1570discussion 1570
- . Continuous wave Doppler echocardiographic measurement of prosthetic valve gradients. Circulation. 1989;80:504–514
- . Discrepancies between Doppler and catheter gradients in aortic prosthetic valves in vitro (A manifestation of localized gradients and pressure recovery). Circulation. 1990;82:1467–1475
- . Aortic prosthetic valve design and size: relation to Doppler echocardiographic findings and pressure recovery—an in vitro study. J Am Soc Echocardiogr. 2000;13:39–50
- . Pressure recovery in bileaflet heart valve prostheses. Circulation. 1995;92:3464–3472
- . Effect of prosthetic aortic valve design on the Doppler-catheter gradient correlation: an in vitro study of normal St. Jude, Medtronic-Hall, Starr-Edwards and Hancock valves. J Am Coll Cardiol. 1992;19:324–332
- . Estimation of the end of ejection in aortic stenosis: an unreported source of error in the invasive assessment of severity. Circulation. 2004;110:1114–1120
- . Pressure drops across prosthetic aortic heart valves under steady and pulsatile flow—in vitro measurements. J Biomech. 1979;12:153–164
- . The fluid mechanics of aortic stenosis, II: unsteady flow experiments. J Biomech. 1976;9:567–573
- . Importance of pressure recovery for the assessment of aortic stenosis by Doppler ultrasound. Circulation. 1996;94:1934–1940
- . The fluid mechanics of aortic stenosis, I: theory and steady flow experiments. J Biomech. 1976;9:521–528
- . Pressure recovery in aortic stenosis: an in vitro study in a pulsatile flow model. J Am Coll Cardiol. 1992;20:1585–1593
- . “Overestimation” of catheter gradients by Doppler ultrasound in patients with aortic stenosis: a predictable manifestation of pressure recovery. J Am Coll Cardiol. 1999;33:1655–1661
- . Pressure recovery in aortic valve stenosis. Circulation. 1994;89:116–121
- . Extent, determinants and clinical importance of pressure recovery in patients with aortic valve stenosis. Eur Heart J. 1999;20:1355–1363
The study was supported by grants from St. Jude Medical Inc., St. Paul, Minnesota.
PII: S0002-9149(08)01231-9
doi: 10.1016/j.amjcard.2008.07.017
© 2008 Elsevier Inc. All rights reserved.
« Previous
Next »
American Journal of Cardiology
Volume 102, Issue 10
, Pages 1383-1389
, 15 November 2008
