Effects of Dobutamine on aortic valve indexes in asymptomatic patients with bileaflet mechanical prostheses in the aortic valve position

被引：6

作者：

Tsai, CH

Lee, TM

Wang, CH

Hsu, KL

Liau, CS

Lee, YT

Chu, SH

机构：

[1] NATL TAIWAN UNIV,COLL MED,CARDIOVASC RES CTR,TAIPEI,TAIWAN

[2] NATL TAIWAN UNIV HOSP,CARDIOL SECT,DEPT SURG & INTERNAL MED,TAIPEI,TAIWAN

来源：

AMERICAN JOURNAL OF CARDIOLOGY | 1997年 / 79卷 / 11期

关键词：

D O I：

10.1016/S0002-9149(97)00192-6

中图分类号：

R5 [内科学];

学科分类号：

1002 ; 100201 ;

摘要：

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 infusion. The Gorlin-derived aortic valve area and continuity equation-derived aortic valve area seem to be less flow dependent; valve resistance tends to be flow dependent.

引用

收藏

页码：1546 / &

页数：5

相关论文

共 20 条

[1] DOPPLER ASSESSMENT OF PROSTHETIC VALVE ORIFICE AREA - AN INVITRO STUDY [J].

BAUMGARTNER, H ;

KHAN, SS ;

DEROBERTIS, M ;

CZER, LS ;

MAURER, G .

CIRCULATION, 1992, 85 (06) :2275-2283

[2] DISCREPANCIES BETWEEN DOPPLER AND CATHETER GRADIENTS IN AORTIC PROSTHETIC VALVES INVITRO - A MANIFESTATION OF LOCALIZED GRADIENTS AND PRESSURE RECOVERY [J].

BAUMGARTNER, H ;

KHAN, S ;

DEROBERTIS, M ;

CZER, L ;

MAURER, G .

CIRCULATION, 1990, 82 (04) :1467-1475

[3]

Bermejo J., 1995, European Heart Journal, V16, P262

[4] FLOW DEPENDENCE OF MEASURES OF AORTIC-STENOSIS SEVERITY DURING EXERCISE [J].

BURWASH, IG ;

PEARLMAN, AS ;

KRAFT, CD ;

MIYAKEHULL, C ;

HEALY, NL ;

OTTO, CM .

JOURNAL OF THE AMERICAN COLLEGE OF CARDIOLOGY, 1994, 24 (05) :1342-1350

[5] DEPENDENCE OF GORLIN FORMULA AND CONTINUITY EQUATION VALVE AREAS ON TRANSVALVULAR VOLUME FLOW-RATE IN VALVULAR AORTIC-STENOSIS [J].

BURWASH, IG ;

THOMAS, DD ;

SADAHIRO, M ;

PEARLMAN, AS ;

VERRIER, ED ;

THOMAS, R ;

KRAFT, CD ;

OTTO, CM .

CIRCULATION, 1994, 89 (02) :827-835

[6] EFFECTS OF DOBUTAMINE ON GORLIN AND CONTINUITY EQUATION VALVE AREAS AND VALVE RESISTANCE IN VALVULAR AORTIC-STENOSIS [J].

CASALE, PN ;

PALACIOS, IF ;

ABASCAL, VM ;

HARRELL, L ;

DAVIDOFF, R ;

WEYMAN, AE ;

FIFER, MA .

AMERICAN JOURNAL OF CARDIOLOGY, 1992, 70 (13) :1175-1179

[7] THE CONTINUITY EQUATION TESTED IN A BILEAFLET AORTIC PROSTHESIS [J].

CHAMBERS, J ;

COPPACK, F ;

DEVERALL, P ;

JACKSON, G ;

SOWTON, E .

INTERNATIONAL JOURNAL OF CARDIOLOGY, 1991, 31 (02) :149-154

[8]

CHAMBERS JB, 1992, BRIT HEART J, V67, P193

[9]

DEPAULIS R, 1994, J THORAC CARDIOV SUR, V108, P57

[10] STUDIES OF CONGENITAL HEART DISEASE .4. UNCOMPLICATED PULMONIC STENOSIS [J].

DOW, JW ;

LEVINE, HD ;

ELKIN, M ;

HAYNES, FW ;

HELLEMS, HK ;

WHITTENBERGER, JW ;

FERRIS, BG ;

GOODALE, WT ;

HARVEY, WP ;

EPPINGER, EC ;

DEXTER, L .

CIRCULATION, 1950, 1 (02) :267-287