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Doppler 심 초음파에 의한 폐 동맥 혈류 측정에 있어서 관찰 View 에 따른 비교
김태호(Tae Ho Kim),최신환(Sin Whan Choi),장용준(Yong Jun Jang),류호준(Ho Jun Ryoo),심상준(Sang Jun Shim),류왕성(Wang Seong Ryu),유언호(Un Ho Ryoo) 대한내과학회 1989 대한내과학회지 Vol.37 No.5
N/A The analysis of pulmonary blood flow by Doppler echocardiography is very useful in evaluating various cardiac patients with pulmonary hypertension. How- ever, determinations of pulmonary arterial blood flow can vary markedly when measured from different sites. One hundred subjects (90 normal subjects, 10 C.O.P.D. patients) underwent Doppler and two-dimensional echocardiographic examination of the pulmonary artery from multiple views to determine the variability in the magnitude of Doppler determined peak velocity, acceleration time of pulmonary arterial blood flow and pulmconary arterial diameter. The results were as follows: 1) The maximun diameter of the pulmonary artery was 2.0±0.5cm (mean±S.D) and was measured from the parasternal right ventricular outflow tract (PRVOT) view (78), the subcostal short axis (SCSAX) view (65) and the parasternal short axis (PSAX) view (51) in turn. 2) The peak. velocity of pulmonary blood flow was mostly detected from the PRVOT view (59%) and sometimes from the PSAX view (17%). 3) The highest flow velocity of the pulmonary artery was recorded from the SCSAX view in 24 patients including 8 C.O,P,D patients. 4) Our results indicate that the PRVOT view was most useful in evaluating the image and blood folw pattern of the pulmonary artery, and in some cases (such as C.O.P,D), the SCSAX view was much better than any other view.