TRANSTHORACIC REAL-TIME 3-DIMENSIONAL ECHOCARDIOGRAPHY USING A FAN-LIKE SCANNING APPROACH FOR DATA-ACQUISITION - METHODS, STRENGTHS, PROBLEMS, AND INITIAL CLINICAL-EXPERIENCE

被引：41

作者：

DELABAYS, A ^{[1
]}

PANDIAN, NG ^{[1
]}

CAO, QL ^{[1
]}

SUGENG, L ^{[1
]}

MARX, G ^{[1
]}

LUDOMIRSKI, A ^{[1
]}

SCHWARTZ, SL ^{[1
]}

机构：

[1] TUFTS UNIV,NEW ENGLAND MED CTR,DEPT MED,CARDIOVASC IMAGING & HEMODYNAM LAB,BOX 32,BOSTON,MA 02111

来源：

ECHOCARDIOGRAPHY-A JOURNAL OF CARDIOVASCULAR ULTRASOUND AND ALLIED TECHNIQUES | 1995年 / 12卷 / 01期

关键词：

D O I：

10.1111/j.1540-8175.1995.tb00521.x

中图分类号：

R5 [内科学];

学科分类号：

1002 ; 100201 ;

摘要：

Three-dimensional echocardiography is an emerging clinical method to assess cardiovascular disorders. The feasibility of using a linear mode scanning (parallel slicing) for transthoracic data acquisition has been demonstrated. In this study, we evaluated the feasibility of real-time transthoracic three-dimensional imaging of the heart using a fan-like scanning mode of echocardiographic data acquisition. We used a computer-driven motor to sequentially angulate transthoracic transducers over a fan-like arc up to 90-degrees. With careful ECG and respiratory gating, we acquired basic two-dimensional data set via parasternal and subcostal windows and performed dynamic three-dimensional reconstructions. The problems encountered included the need to repeat data acquisition sequences because of transducer movement or inappropriate gain and gray scale settings. From 15 scanning sequences in four patients, we were able to use ten sets of data. These yielded good quality three-dimensional studies projecting normal valves, a stenotic mitral valve, and an atrial septal defect, in a number of novel views. The valves could be visualized from above and from below as well as in other orientations, and the detailed anatomy appraised. Spatial relationships of the atrial septal defect with inferior and superior vena cava, coronary sinus, or tricuspid annulus could be uniquely displayed through views from the right side of the heart. This technique provided adequate new imaging planes not available from two-dimensional echocardiography. This experience demonstrates for the first time that transthoracic three-dimensional echocardiography using a fan-like scanning mode of data acquisition is feasible, and that it provides adequate visualization of intracardiac structures in unique projections. This article presents the first clinical experience with this approach. Further developments of this technique could propel three-dimensional echocardiography in day-to-day clinical practice.

引用

页码：49 / 59

页数：11

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