Prediction of pressure recovery location in aortic valve stenosis: An in-vitro validation study

Journal of Heart Valve Disease

Volumn 16, Issue 5, 2007, Pages 489-494

  Rhodes, Katherine D ^a   Strom, Joel A ^a,b   Rahman, Muhammad M ^a   VanAuker, Michael D ^a,b  

^a University of South Florida   (United States)

^b UNIVERSITY OF SOUTH FLORIDA   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ACCURACY; ALGORITHM; AORTA ROOT; AORTA VALVE STENOSIS; ARTICLE; BLOOD FLOW VELOCITY; CALCULATION; CONTROLLED STUDY; DOPPLER ECHOCARDIOGRAPHY; DOPPLER FLOWMETRY; FLOW RATE; HEART CATHETERIZATION; HEMODYNAMICS; IN VITRO STUDY; PREDICTION; PRIORITY JOURNAL; VALIDATION STUDY;

ALGORITHMS; AORTIC VALVE; AORTIC VALVE STENOSIS; BLOOD FLOW VELOCITY; BLOOD VISCOSITY; ECHOCARDIOGRAPHY, DOPPLER, COLOR; HEART CATHETERIZATION; HUMANS; MODELS, BIOLOGICAL; MODELS, CARDIOVASCULAR;

EID: 34948841600     PISSN: 09668519     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (19)

1. Bengur AR, Snider AR, Meliones JN, Vermilion RP. Doppler evaluation of aortic-valve area in children with aortic-stenosis. J Am Coll Cardiol 1991;18:1499-1505
2. Ohlsson J, Wranne B. Noninvasive assessment of valve area in patients with aortic stenosis. J Am Coll Cardiol 1986;7:501-508
3. Baumgartner H, Schima H, Tulzer G, Kuhn P. Effect of stenosis geometry on the Doppler-catheter gradient relation in vitro - a manifestation of pressure recovery. J Am Coll Cardiol 1993;21:1018-1025
4. Cape EG, Jones M, Yamada I, VanAuker MD, ValdesCruz LM. Turbulent/ viscous interactions control Doppler/catheter pressure discrepancies in aortic stenosis: The role of the Reynolds number. Circulation 1996;94:2975-2981
5. Voelker W, Reul H, Stelzer T, Schmidt A, Karsch KR. Pressure recovery in aortic-stenosis - an in vitro study in a pulsatile flow model. J Am Coll Cardiol 1992;20:1585-1593
6. Baumgartner H, Stefenelli T, Niederberger J, Schima H, Maurer G. '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
7. Clark C. Fluid-mechanics of aortic-stenosis. 1. Theory and steady flow experiments. J Biomech 1976;9:521-528
8. Stewart SFC, Nast EP, Arabia FA, Talbot TL, Proschan M, Clark RE. Errors in pressure-gradient measurement by continuous wave Doppler ultrasound: Type, size and age effects in bioprosthetic aortic valves. J Am Coll Cardiol 1991;18:769-779
9. Laskey WK, Kussmaul WG. Pressure recovery in aortic valve stenosis. Circulation 1994;89:116-121
10. Levine RA, Jimoh A, Cape EG, McMillan S, Yoganathan AP, Weyman AE. Pressure recovery distal to a stenosis: Potential cause of gradient 'overestimation' by Doppler echocardiography. J Am Coll Cardiol 1989;13:706-715
11. Niederberger J, Schima H, Maurer G, Baumgartner H. Importance of pressure recovery for the assessment of aortic stenosis by Doppler ultrasound. Role of aortic size, aortic valve area, and direction of the stenotic jet in vitro. Circulation 1996;94:1934-1940
12. 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;61:475-476
13. Garcia D, Dumesnil JG, Durand LG, Kadem L, Pibarot P. Discrepancies between catheter and Doppler estimates of valve effective orifice area can be predicted from the pressure recovery phenomenon. J Am Coll Cardiol 2003;41:435-442
14. Lemler MS, Valdes-Cruz LM, Shandas RS, Cape EG. Insights into catheter Doppler discrepancies in congenital aortic stenosis. Am J Cardiol 1999;83:1447-1450
15. Levin S, Ilercil A, Meisner JS, Shirani J, Strom JA. Mathematical model for prediction of pressure recovery location in stenotic aortic valves. Circulation 1996;94:I-315
16. Chambers J, Bach D, Dumesnil J, Otto C, Shah P, Thomas J. Crossing the aortic valve in severe aortic stenosis: No longer acceptable? J Heart Valve Dis 2004;13:344-346
17. Omran H, Schmidt H, Hackenbroch M, et al. Silent and apparent cerebral embolism after retrograde catheterisation of the aortic valve in valvular stenosis: A prospective, randomised study. Lancet 2003;361:1241-1246
18. VanAuker MD, Chandra M, Shirani J, Strom JA. Jet eccentricity: A misleading source of agreement between Doppler/catheter pressure gradients in aortic stenosis. J Am Soc Echocardiogr 2001;14:853-862
19. VanAuker MD, Hla A, Meisner JS, Strom JA. Simultaneous Doppler/catheter measurements of pressure gradients in aortic valve disease: A correction to the Bernoulli equation based on velocity decay in the stenotic jet. J Heart Valve Dis 2000;9:291-298