ELEVATED LEFT ATRIAL PRESSURE DOES NOT CAUSE LEFT-TO-RIGHT SHUNTING AFTER MITRAL BALLOON VALVULOPLASTY

被引：0
|
作者：
WATSON, KR
CHISHOLM, RJ
AZPIRI, JR
ARMSTRONG, PW
机构：
[1] Division of Cardiology, Department of Medicine, St. Michael's Hospital, University of Toronto, Toronto, Ontario
来源：
CATHETERIZATION AND CARDIOVASCULAR DIAGNOSIS | 1991年 / 24卷 / 03期
关键词：
HEMODYNAMIC FACTORS; OXIMETRY; SEPTAL PUNCTURE;
D O I：
10.1002/ccd.1810240306
中图分类号：
R5 [内科学];
学科分类号：
1002 ; 100201 ;
摘要：
To assess the hemodynamic factors affecting left-to-right shunting following balloon mitral valvuloplasty we studied 10 patients at 3 points during the procedure: pre-septal dilation, post-septal dilation pre-valvuloplasty, and post-valvuloplasty. Hemodynamic parameters were recorded and an oximetry run was obtained at each stage. Mitral valvuloplasty was successful in 8 and unsuccessful in 2 patients. No patient had a significant oxygen step-up at any stage, including the 2 patients with unsuccessful valvuloplasty. Significant left-to-right shunting through the atrial septal puncture in mitral valvuloplasty is infrequent, even before successful balloon valvuloplasty when left atrial pressure is maximally elevated.
引用
收藏
页码：173 / 175
页数：3
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