Magnetic resonance imaging of blood velocity distribution around St. Jude Medical aortic valves in patients

Journal of Heart Valve Disease

Volumn 5, Issue 5, 1996, Pages 511-517

  Houlind, Kim ^a   Eschen, Ole ^a   Pedersen, Erik M ^a   Jensen, Thomas ^a   Hasenkam, J Michael ^a   Paulsen, Peter K ^a  

^a AARHUS UNIVERSITY HOSPITAL   (Denmark)

Author keywords

[No Author keywords available]

Indexed keywords

ADULT; AGED; AORTA VALVE DISEASE; AORTA VALVE REPLACEMENT; ARTICLE; BLOOD FLOW VELOCITY; BLOOD RHEOLOGY; CLINICAL ARTICLE; CONTROLLED STUDY; FEMALE; HUMAN; MALE; NUCLEAR MAGNETIC RESONANCE IMAGING; PRIORITY JOURNAL; SAINT JUDE HEART VALVE PROSTHESIS;

ADULT; AGED; AORTIC VALVE; BLOOD FLOW VELOCITY; ELECTROCARDIOGRAPHY; FEMALE; HEART VALVE DISEASES; HEART VALVE PROSTHESIS; HUMANS; MAGNETIC RESONANCE IMAGING, CINE; MALE; MIDDLE AGED;

EID: 0029794776     PISSN: 09668519     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (22)

1. Stein PD, Sabbah HN. Measured turbulence and its effect on thrombus formation. Circ Res 1974;87:661-668
2. Chandran KB. Pulsatile flow past the St. Jude Medical bileaflet valve. J Thorac Cardiovasc Surg 1985;89:743-749
3. Walker PG, Pedersen EM, Oyre S, et al. Magnetic resonance velocity imaging: a new method for prosthetic heart valve study. J Heart Valve Dis 1995;4:296-307
4. Fontaine AA, Heinrich RS, Walker PG, et al. Comparison of MRI and LDA velocity measurements downstream of prosthetic heart valves: implications for in vivo assessment of prosthetic valve function. J Heart Valve Dis 1996;5:66-73
5. Bruss KH, Reul H, van Gilse J, Knott E. Pressure drop and velocity fields at four mechanical heart valve prostheses: Björk-Shiley concave-convex, Hall-Kaster, and St. Jude Medical. Life Support Systems 1983;1:3-22
6. Hasenkam JM, Pedersen EM, Ostergaard JH et al. Velocity fields and turbulent stresses downstream of biological and mechanical aortic valve prostheses implanted in pigs. Cardiovasc Res 1988;22:472-483
7. Nygaard H, Paulsen PK, Hasenkam JM, Kromann-Hansen O, Pedersen EM, Rovsing PE. Quantitation of the turbulent stress distribution downstream of normal, diseased and artificial aortic valves in humans. Eur J Cardio-thorac Surg 1992;6:609-617
8. Paulsen PK, Hasenkam JM, Stodkilde-Jorgensen H, Albrechtsen O. Three-dimensional visualization of velocity profiles in the ascending aorta in humans with normal aortic valves and after the insertion of St. Jude Medical and Starr-Edwards silastic ball valves in the aortic position. Int J Artif Organs 1988;11:277-292
9. Wiseth R, Samstad S, Rossvoll O, Torp HG, Skjaerpe T, Hatle L. Cross-sectional left ventricular outflow tract velocities before and after aortic valve replacement: a comparative study with two-dimensional Doppler ultrasound. J Am Soc Echocardiogr 1993;6:279-285
10. Nayler GL, Firmin DN, Longmore DB. Blood flow imaging by cine magnetic resonance. J Comp Assist Tomogr 1986;10:715-722
11. Firmin DN, Nayler GL, Klipstein RH, Underwood SR, Longmore DB. In vivo validation of MR velocity imaging. J Comp Assist Tomogr 1987;11:751-756
12. van Rossum AC, Sprenger M, Visser FC, Peels KH, Valk J, Roos JP. An in vivo validation of quantitative blood flow imaging in arteries and veins using magnetic resonance phase shift techniques. Eur Heart J 1991;12:117-126
13. Kilner PJ, Yang ZY, Mohiaddin RH, Firmin DN, Longmore DB. Helical and retrograde secondary flow patterns in the aortic arch studied by three-directional magnetic resonance velocity mapping. Circulation 1993;88:2235-2247
14. Sondergaard L, Lindvig K, Hildebrandt P, et al. Quantification of aortic regurgitation by magnetic resonance velocity mapping. Am Heart J 1993;125:1081-1090
15. Randall PA, Kohman LJ, Scalzetti EM, Szevereney NM, Panicek DM. Magnetic resonance imaging of prosthetic cardiac valves in vitro and in vivo. Am J Cardiol 1988;28:973-976
16. Shellock FG, Crues JV. High-field-strength MR imaging and metallic biomedical implants: an ex vivo evaluation of deflection forces. Am J Radiol 1988;151:389-392
17. Deutsch HJ, Bachmann R, Sechtem U, et al. Regurgitant flow in cardiac valve prostheses: diagnostic value of gradient echo nuclear magnetic resonance imaging in reference to transesophageal two-dimensional color Doppler echocardiography. J Am Coll Cardiol 1992;19:1500-1507
18. Fürst G, Hofer M, Sitzer M, Kahn T, Müller E, Mödder U. Factors influencing flow-induced signal loss in MR angiography: an in vitro study. J Comp Assist Tomography 1995;19:692-699
19. Scheidegger MB, Maier SE, Boesiger P. FID-acquired echos (FAcE): a short echo time imaging method for flow artifact suppression. Magn Reson Imag 1991;9:517-524
20. Walker PG, Cranney GB, Scheidegger MB, Waseleski G, Pohost GM, Yoganathan AP. A semiautomated method for noise reduction and background phase error correction in MR phase velocity data. Magn Reson Imag 1993;3:521-530
21. Groen JP, van Dijk P, In den Kleef JTE. Design of flow adjustable gradient waveforms. In: Proceedings of The Society of Magnetic Resonance in Medicine, 6th annual meeting, 1987:868
22. Stahlberg F, Sondergaard L, Thomsen C, Henriksen O. Quantification of complex flow using MR phase imaging - a study of parameters influencing the phase/velocity relation. Magn Reson Imag 1992;10:13-23