Hemodynamic performance of small-size bileaflet valves: Pressure drop and laser doppler anemometry study comparison of three prostheses

Artificial Organs

Volumn 24, Issue 12, 2000, Pages 959-965

  Grigioni, Mauro ^a   Daniele, Carla ^a   D'Avenio, Giuseppe ^a   Barbaro, Vincenzo ^a  

^a ISTITUTO SUPERIORE DI SANITÀ   (Italy)

Author keywords

Energy dissipation; In vitro testing; Laser Doppler anemometry; Prosthetic heart valves; Turbulence

Indexed keywords

ANEMOMETERS; CLASSIFIERS; DOPPLER EFFECT; DROPS; FLOW FIELDS; LASER DOPPLER VELOCIMETERS; PRESSURE DROP; PROSTHETICS; VELOCITY;

BILEAFLET; CONDITION; HAEMODYNAMICS; IN-VITRO TESTING; LASER DOPPLER ANEMOMETRY; ORIFICE DIAMETERS; PERFORMANCE; PROSTHETIC HEART VALVE; PULSATILES; VALVE PRESSURE;

ENERGY DISSIPATION;

ANEMOMETRY; ARTICLE; GEOMETRY; HEART HEMODYNAMICS; HEART VALVE PROSTHESIS; INTERMETHOD COMPARISON; PRIORITY JOURNAL; SIGNAL TRANSDUCTION; TURBULENT FLOW;

PROSPECT HILL VIRUS;

EID: 0034502394     PISSN: 0160564X     EISSN: None     Source Type: Journal    
DOI: 10.1046/j.1525-1594.2000.06614.x     Document Type: Article

References (23)

1. An instrument for the measurement of in vitro velocity and turbulent shear stress in the immediate vicinity of prosthetic heart valves
2. In vitro evaluation of the long-body On-X bileaflet heart valve
3. Principal stress analysis in LDA measurement of the flow field downstream of 19 mm Sorin Bicarbon heart valve
4. Comparative study of the hydrodynamic function of six size 19 mm bileaflet heart valves
5. Inaccurate and misleading valve sizing: A proposed standard for valve size nomenclature
6. Unsteady fluid dynamics of several mechanical prosthetic heart valves using a two component laser Doppler anemometer system
7. Hemodynamic performance of the St. Jude Medical Hemodynamic Plus valve
8. In vitro comparison of bileaflet aortic heart valve prostheses. St. Jude Medical, CarboMedics, modified Edwards-Duromedics, and Sorin-Bicarbon valves
9. Assessment of small-diameter aortic mechanical prostheses: Physiological relevance of the Doppler gradient, utility of flow augmentation, and limitations of orifice area estimation
10. A statistical approach to the quantitative comparison of pulsatile flow in vitro data of prosthetic heart valve testing
11. 19 mm sized bileaflet valve prostheses' flow field investigated by bidimensional laser Doppler anemometry: Part II. Maximum turbulent shear stresses
12. Determination of principal Reynolds stresses in pulsatile flows after elliptical filtering of discrete velocity measurements
13. Some measurements in the self-preserving jet
14. Laser Doppler anemometry study of bidimensional flows downstream of three 19 mm bileaflet valves in the mitral position, under kinematic similarity
15. The transport of vorticity and heat through fluids in turbulent motion
16. Model studies at mechanical aortic heart valve prostheses: Part 1. Steady-state flow field and pressure loss coefficients
17. LDA two-dimensional measurements of the flow fields across three small sized bileaflet cardiac valves
18. Heart valves-from inspiration to implantation