INTRACARDIAC ECHOCARDIOGRAPHY DURING SIMULATED AORTIC AND MITRAL BALLOON VALVULOPLASTY - INVIVO EXPERIMENTAL STUDIES

被引：16

作者：

SCHWARTZ, SL ^{[1
]}

PANDIAN, NG ^{[1
]}

KUMAR, R ^{[1
]}

KATZ, SE ^{[1
]}

KUSAY, BS ^{[1
]}

ARONOVITZ, M ^{[1
]}

KONSTAM, MA ^{[1
]}

SALEM, DN ^{[1
]}

机构：

[1] TUFTS UNIV,NEW ENGLAND MED CTR HOSP,SCH MED,DEPT RADIOL,BOSTON,MA 02111

来源：

AMERICAN HEART JOURNAL | 1992年 / 123卷 / 03期

关键词：

D O I：

10.1016/0002-8703(92)90504-O

中图分类号：

R5 [内科学];

学科分类号：

1002 ; 100201 ;

摘要：

The feasibility of intracardiac echocardiography with a low-frequency transducer to assess catheter position and detect complications during experimental aortic and mitral balloon valvuloplasty was studied in 10 dogs. Intracardiac echocardiography was performed with a transesophageal echocardiographic probe placed in the right atrium. In all instances high-quality images of cardiac structures were obtained. The guide wire and balloon catheter were clearly seen as they crossed the valves. With inflation the balloon was seen as a hyperechoic structure. Doppler echocardiography documented aortic regurgitation after inflations. Acute pericardial effusion was instantly detected. It is concluded that intracardiac echocardiography is a potentially useful technique for cardiac imaging, assessing wire and balloon catheter position, evaluating valvular regurgitation, and instantly detecting acute pericardial effusion. Further research in humans with low-frequency, catheter-based transducers needs to be performed.

引用

页码：665 / 674

页数：10

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