CATHETER-BASED INTRAVASCULAR ULTRASOUND DISCRIMINATES BICUSPID FROM TRICUSPID VALVES IN ADULTS WITH CALCIFIC AORTIC-STENOSIS

被引:17
作者
ISNER, JM
LOSORDO, DW
ROSENFIELD, K
RAMASWAMY, K
KELLY, S
PASTORE, JO
KOSOWSKY, BD
机构
[1] ST ELIZABETH HOSP, ST ELIZABETHS HOSP, SCH MED, DEPT BIOMED RES, BRIGHTON, MA 02135 USA
[2] ST ELIZABETH HOSP, ST ELIZABETHS HOSP, SCH MED, DEPT PATHOL, BRIGHTON, MA 02135 USA
关键词
D O I
10.1016/S0735-1097(10)80020-8
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
A catheter-based intravascular ultrasound transducer was used to study aortic valve morphology in adults with calcific aortic stenosis. Examination of 14 postmortem specimens disclosed that intravascular ultrasound consistently identified the number of cusps or the presence of a calcified median raphe in the conjoined cusp, or both, and thereby distinguished a calcified bicuspid from a calcified tricuspid aortic valve. These postmortem findings were then employed to identify valvular morphology in 15 patients undergoing diagnostic cardiac catheterization or balloon aortic valvulo- plasty, or both. Reproduction of criteria established in vitro allowed discrimination of congenital valvular morphology in all 15 patients, including 7 in whom assessment by intravascular ultrasound was confirmed by subsequent pathologic examination. Identification of aortic valvular morphology by intravascular ultrasound has potential therapeutic implications for patients considered to be candidates for operative or non-operative aortic valvuloplasty. © 1990, American College of Cardiology Foundation. All rights reserved.
引用
收藏
页码:1310 / 1317
页数:8
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