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Usefulness of Acoustic Quantification Method in Left Ventricular Volume and Ejectjon Fraction:Compared with ventriculography and scintigraphy Takahiro Shibata 1 , Youichi Honda 1 , Hidehiko Kashiwagi 1 , Yasuhiro Ishii 1 , Hirotsugu Hoshino 1 , Jyunichi Mogi 1 , Makoto Mutoh 1 , Kihiro Asakawa 1 , Hiroshi Ogawa 1 , Kamon Imai 1 , Toshinobu Horie 1 , Ikuko Toyooka 2 , Teruo Oukubo 2 , Hisashi Watanabe 3 , Seibu Mochizuki 3 1Department of Cardiology, Saitama Cardiovascular Center 2Department of Medical Technology, Saitama Cardiovascular Center 3Department of Internal Medicine (IV), Jikei University School of Medicine Keyword: Acoustic Quantification法 , 左室容積 , 駆出率 , acoustic quantification method , left ventricular volume , ejection fraction pp.1083-1087
Published Date 1996/10/15
DOI https://doi.org/10.11477/mf.1404901352
  • Abstract
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Acoustic quantification method (AQ : on - line automated boundary detection system) has proved to have a good correlation with left ventriculography (LVG) and scintigraphy (SG) in patients with normal left ventricular (LV) function. The aim of this study is to determine whether AQ is also useful in patients withabnormal LV function. We examined 54 patients with LV asynergy.

End-diastolic volumes with AQ. LVG and SG were 77. 135. 118 ml. A good correlation was found between AQ and LVG and SG (LVG; r =0.81, SG;r=0.68). End-systolic volumes with AQ. LVG and SG were 38,64 and 57 ml.

Left ventricular volumes obtained from AQ had a good correlation with LVG and SG, but were underes-timated.

LV ejection fraction obtained from AQ had good correlation with those with LVG and SG (LVG; r= 0.84, SG; r=0.77). On-line AQ appears to be a useful noninvasive method for evalution of the left ventricular ejection fraction, but care must be exercised when esti-mations of left ventricular volumes are made.


Copyright © 1996, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1200 印刷版ISSN 0452-3458 医学書院

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