ANALYSIS OF VENTRICULAR WALL-MOTION USING COLOR-CODED TISSUE DOPPLER IMAGING-SYSTEM

被引：98

作者：

YAMAZAKI, N ^{[1
]}

MINE, Y ^{[1
]}

SANO, A ^{[1
]}

HIRAMA, M ^{[1
]}

MIYATAKE, K ^{[1
]}

YAMAGISHI, M ^{[1
]}

TANAKA, N ^{[1
]}

机构：

[1] NATL CARDIOVASC CTR,CARDIOL DIV MED,SUITA,OSAKA 565,JAPAN

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS | 1994年 / 33卷 / 5B期

关键词：

ECHOCARDIOGRAPHY; WALL MOTION; COLOR DOPPLER; AUTOCORRELATION; VELOCITY MEASUREMENT;

D O I：

10.1143/JJAP.33.3141

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We developed a new color Doppler system by which Doppler signals associated with tissue motion can be determined, and called it the tissue Doppler imaging (TDI) system. Using high-speed scanning, the frame rate was 26-38 F/s, and the pulse repetition frequency was 4.5-6.0 kHz. Under these conditions, the lowest measurable velocity was improved to 2 mm/s. Wall motion toward the transducer was coded as red, and that away from the transducer as blue. To examine the accuracy and validity of the measured velocity of ventricular wall motion, we performed in vitro and in vivo studies. The results demonstrate that the present TDI system accurately in real time, facilitating the visual assessment of abnormal ventricular wall motion.

引用

页码：3141 / 3146

页数：6

共 9 条

[1] GROUNDSTROEM KWE, 1993, ADV ECHO IMAGING USI, P375
[2] MINE Y, 1993, JPN J MED ULTRASON S, V20, P671
[3] MIYATAKE K, 1993, JPN J MED ULTRASON S, V20, P445
[4] MIYATAKE K, 1993, J AM SOC ECHOCARDI 2, V6, pS19
[5] MIYATAKE K, 1993, 66TH SCI SESS ATL 2, V88, P48
[6] MORAN CM, 1993, ADV ECHO IMAGING USI, P359
[7] SANO A, 1993, JPN J MED ULTRASON S, V20, P673
[8] TANAKA N, 1993, JPN J MED ULTRASON S, V20, P675
[9] YAMAGISHI M, 1993, J AM SOC ECHOCARDI 2, V6, pS30

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