Assessment of mechanical aortic valve prosthesis by means of Doppler echocardiography: What to measure and why?

Journal of Thoracic and Cardiovascular Surgery

Volumn 126, Issue 2, 2003, Pages 317-320

  Vannan, Mani A ^a   Sarkar, Kunal ^b  

^a HAHNEMANN UNIVERSITY HOSPITAL   (United States)

^b NONE

Author keywords

[No Author keywords available]

Indexed keywords

AORTA VALVE; AORTA VALVE PROSTHESIS; BIOMECHANICS; DOPPLER ECHOCARDIOGRAPHY; EDITORIAL; HEART LEFT VENTRICLE OUTFLOW TRACT; HUMAN; PREDICTION; PREOPERATIVE EVALUATION; PRIORITY JOURNAL;

EID: 0041854625     PISSN: 00225223     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0022-5223(03)00121-1     Document Type: Editorial

References (7)

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2. Rothbart RM, Smucker ML, Gibson RS. Overestimation by Doppler echocardiography of pressure gradients across Starr-Edwards prosthetic valves in the aortic position. Am J Cardiol. 1988;61:475-6.
3. Baumgartner H, Schima H, Kuhn P. Discrepancies between Doppler and catheter gradients across bileaflet aortic valve prostheses. Am J Cardiol. 1993;71:1241-3.
4. Baumgartner H, Khan S, DeRobertis M, Czer L, Maurer G. Discrepancies between Doppler and catheter gradients in aortic prosthetic valves in vitro. A manifestation of localized gradients and pressure recovery. Circulation. 1990;82:1467-75.
5. Yoganathan AP, Valdes-Cruz LM, Schmidt-Dohna J, Jimoh A, Berry C, Tamura T, et al. Continuous-wave Doppler velocities and gradients across fixed tunnel obstructions: studies in vitro and in vivo. Circulation. 1987;76:657-66.
6. Simpson IA, Fisher J, Reece IJ, Houston AB, Hutton I, Wheatley DJ. Comparision of Doppler ultrasound velocity measurements with pressure differences across bioprosthetic valves in a pulsatile flow model. Cardiovasc Res. 1986;20:317-21.
7. Vandervoort PM, Greenberg NL, Powell KA, Cosgrove DM, Thomas JD. Pressure recovery in bileaflet heart valve prostheses. Localized high velocities and gradients in central and side orifices with implications for Doppler-catheter gradient relation in aortic and mitral position. Circulation. 1995;92:3464-72.