EFFECTS OF DOBUTAMINE ON AORTIC-VALVE INDEXES IN ASYMPTOMATIC PATIENTS WITH BILEAFLET MECHANICAL PROSTHESES IN THE AORTIC-VALVE POSITION

Authors
TSAI CH LEE TM WANG CH HSU KL LIAU CS LEE YT CHU SH
Citation
Ch. Tsai et al., EFFECTS OF DOBUTAMINE ON AORTIC-VALVE INDEXES IN ASYMPTOMATIC PATIENTS WITH BILEAFLET MECHANICAL PROSTHESES IN THE AORTIC-VALVE POSITION, The American journal of cardiology, 79(11), 1997, pp. 1546
Citations number
20
Categorie Soggetti
Cardiac & Cardiovascular System
Journal title
The American journal of cardiology → ACNP
ISSN journal
00029149
Volume
79
Issue
11
Year of publication
1997
Database
ISI
SICI code
0002-9149(1997)79:11<1546:EODOAI>2.0.ZU;2-P
Abstract
We investigated the effects of alternating transvalvular flow rate on Doppler-derived aortic valve resistance and valve area in asymptomatic patients with mechanical aortic valve replacement under dobutamine in fusion. The Gorlin-derived aortic valve area and continuity equation-d erived aortic valve area seem to be less flow dependent; valve resista nce tends to be flow dependent.