Non-invasive estimation of pressure gradients in regurgitant jets: An overdue consideration

European Journal of Echocardiography

Volumn 9, Issue 5, 2008, Pages 578-584

  Giardini, Alessandro ^a   Tacy, Theresa A ^b  

^a UNIVERSITY OF BOLOGNA   (Italy)

^b UNIVERSITY OF CALIFORNIA   (United States)

Author keywords

Doppler; Pressure gradient; Regurgitant jet

Indexed keywords

ARTICLE; BLOOD VISCOSITY; DOPPLER ECHOCARDIOGRAPHY; HEART ATRIOVENTRICULAR VALVE; HEART MUSCLE COMPLIANCE; HEART SIZE; IN VITRO STUDY; MITRAL VALVE REGURGITATION; PRESSURE GRADIENT; PRIORITY JOURNAL; PULSATILE FLOW; TRICUSPID VALVE REGURGITATION; VASCULAR RESISTANCE; BLOOD PRESSURE; COMPUTER ASSISTED DIAGNOSIS; ECHOGRAPHY; HEART LEFT VENTRICLE FUNCTION; HEART VALVE; HUMAN; METHODOLOGY; PREDICTION AND FORECASTING; STATISTICAL MODEL;

BLOOD PRESSURE; BLOOD VISCOSITY; ECHOCARDIOGRAPHY, DOPPLER; HEART VALVES; HUMANS; IMAGE INTERPRETATION, COMPUTER-ASSISTED; LINEAR MODELS; MITRAL VALVE INSUFFICIENCY; PREDICTIVE VALUE OF TESTS; RESEARCH DESIGN; VENTRICULAR FUNCTION, LEFT;

EID: 58149329040     PISSN: 15252167     EISSN: 15322114     Source Type: Journal    
DOI: 10.1093/ejechocard/jen156     Document Type: Article

References (24)

1. Quinones MA, Otto CM, Stoddard M, Waggoner A, Zoghbi WA. Recommendations for quantification of Doppler echocardiography: a report from the Doppler Quantification Task Force of the Nomenclature and Standards Committee of the American Society of Echocardiography. J Am Soc Echocardiogr 2002;15:167-84.
2. Lima CO, Sahn DJ, Valdes-Cruz LM, Goldberg SJ, Barron JV, Allen HD et al. Noninvasive prediction of transvalvular pressure gradient in patients with pulmonary stenosis by quantitative two-dimensional echocardiographic Doppler studies. Circulation 1983;67:866-71.
3. Cape EG, Jones M, Yamada I, VanAuker MD, Valdes-Cruz LM. Turbulent/ viscous interactions control Doppler/catheter pressure discrepancies in aortic stenosis. The role of the Reynolds number. Circulation 1996;94:2975-81.
4. Bengur AR, Snider AR, Meliones JN, Vermilion RP. Doppler evaluation of aortic valve area in children with aortic stenosis. J Am Coll Cardiol 1991;18:1499-505.
5. 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;21:1018-25.
6. Baumgartner H, Schima H, Kuhn P. Discrepancies between Doppler and catheter gradients across bileaflet aortic valve prostheses. Am J Cardiol 1993;71:1241-3.
7. 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;13:706-15.
8. 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;20:1585-93.
9. Valdes-Cruz LM, Yoganathan AP, Tamura T, Tomizuka F, Woo YR, Sahn DJ. Studies in vitro of the relationship between ultrasound and laser Doppler velocimetry and applicability to the simplified Bernoulli relationship. Circulation 1986;73:300-8.
10. 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;94:1934-40.
11. Levine RA, Cape EG, Yoganathan AP. Pressure recovery distal to stenoses: expanding clinical applications of engineering principles. J Am Coll Cardiol 1993;21:1026-8.
12. Cape EG, Kelly DL, Ettedgui JA, Park SC. Influence of stenotic valve geometry on measured pressure gradients and ventricular work: the relationship between morphology and flow. Pediatr Cardiol 1996;17:155-62.
13. Yoganathan AP, Cape EG, Sung HW, Williams FP, Jimoh A. Review of hydrodynamic principles for the cardiologist: applications to the study of blood flow and jets by imaging techniques. J Am Coll Cardiol 1988;12:1344-53.
14. Skjaerpe T, Hatle L. Noninvasive estimation of systolic pressure in the right ventricle in patients with tricuspid regurgitation. Eur Heart J 1986;7:704-10.
15. Perry RH, Green DW (eds). Chemical Engineering Handbook. 6th ed. New York: McGraw-Hill; 1984. Vol. 5, p22.
16. Rosho A. Structure of turbulent shear flows: a new look. Am Inst Aeronautics Astronautics J 1976;14:1349-57. 21-8.
17. Stewart RW. Turbulence. Illustrated Experiments in Fluid Mechanics. Cambridge, MA: MIT press; 1972. p82-8.
18. Chao K, Moises VA, Shandas R, Elkadi T, Sahn DJ, Weintraub R. Influence of the Coanda effect in color Doppler jet area and color encoding. Circulation 1992;85:333-41.
19. Sahn DJ. Instrumentation and physical factor related to visualization of stenotic and regurgitant jets by Doppler color flow mapping. J Am Coll Cardiol 1988;12:1354-68.
20. Simpson IA, Valdez-Cruz LM, Yoganathan AP, Sung HW, Jimoh A, Sahn DJ. Spatial velocity distribution and acceleration in serial subvalve tunnel and valvular obstruction: an in vitro study using Doppler color flow mapping. J Am Coll Cardiol 1989;13:241-8.
21. Newman BG, Patel RP, Savage SB, Tija HK. Three-dimensional wall jet originating from a circular orifice. Aerodynamics Quarterly 1972;23:188-200.
22. Chandrasekhara Swamy NV, Bandopadhay P. Mean and turbulence characteristics of three-dimensional wall jets. J Fluid Mech 1975;71:541-62.
23. Rajaratnam N, Humphries JA. Turbulent non-buoyant surface jets. Can J Hydraulics Res 1984;22:103-14.
24. Maisano F, Redaelli A, Pennati G, Fumero R, Torracca L, Alfieri O. The hemodynamic effects of double-orifice valve repair for mitral regurgitation: a 3D computational model. Eur J Cardiothorac Surg 1999;15:419-25.