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ECG Gated Blood Pool Scan을 이용한 심실벽 역행성 운동의 평가 - Cine Loop, Phase Analysis, Paradox Image의 비교 -
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  • ECG Gated Blood Pool Scan을 이용한 심실벽 역행성 운동의 평가 - Cine Loop, Phase Analysis, Paradox Image의 비교 -
저자명
이재태,김광원,정병천,이규보,황기석,채성철,전재은,박의현,이형우,정진홍,Lee. Jae-Tae,Kim. Gwang-Weon,Jeong. Byeong-Cheon,Lee. Kyu-Bo,Whang. Kee-Suk,Chae. Sung-C
간행물명
大韓核醫學會誌
권/호정보
1990년|24권 2호|pp.244-253 (10 pages)
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대한핵의학회
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정기간행물|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

Sixty-four patients with paradoxical ventricular wall motion noticed both in angiocardiography or 2-dimensional echocardiography were assessed by ECG gated blood pool scan (GBPS). Endless cine loop image, phase and amplitude images and paradox image obtained by visual inspection of each cardiac beat or Fourier transformation of acquired raw data were investigated to determine the incremental value of GBPS with these processing methods for identification of paradoxical ventricular wall motion. The results were as follows: 1) Paradoxical wall motions were observed on interventricular septum in 34 cases, left ventricular free wall in 26 and right ventricular wall in 24. Underlying heart diseases were ischemic (23 cases) valvular(9), congenital heart disease (12), cardiomyopathy (5). pericardial effusion(5), post cardiac surgery(3), col pulmonale (2), endocarditis(1) and right ventricular tumor(1). 2) Left ventricular ejection fractions of patients with paradoxical left ventricular wall motion were significantly lower than those with paradoxical septal motion(p<0.005). 3) The sensitivity of each processing methods for detecting paradoxical wall motion was 76.9% by phase analysis, 74.6% by endless cine loop mapping and 68.4% by paradox image manipultion respectively. Paradoxial motions visualized only in phase, paradox or both images were appeared as hypokinesia or akinesia in cine loop image. 4) All events could be identified by at least one of above three processing methods, however only 34 cases (48.4%) showed the paradoxical molies in all of the three images. By these findings, we concluded that simultaneous inspection of all above three processing methods-endless cine loop, phase analysis and paradox image-is necessary for accurate identification and assessment of paradoxical ventricular wall motion when performing GBPS.