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Evaluation of left ventricular volume and wall motion by digital intravenous subtraction angiography:Comparison with conventional left ventriculography Nobuhisa Ohgitani 1 , Tzer-Wei Sheu 1 , Takehito Taniura 1 , Kunitomo Satoh 1 1Division of Cardiology, North Osaka Hospital, Osaka pp.647-653
Published Date 1987/6/15
DOI https://doi.org/10.11477/mf.1404205076
  • Abstract
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Fifty three patients were studied by digital intra-venous subtraction angiography (DSA) and conven-tional left ventriculography (LVG). The measure-ments of left ventricular end-diastolic volume (EDV), end-systolic volume (ESV), stroke volume (SV) and ejection fraction (EF) obtained by DSA were comparedwith values of conventional LVG in 21 patients. Single plane area length method of Sandler and Dodge was used to caluculate left ventricular volume for both DSA and conventional LVG. DSA-LVG exhibited close correlation with conventional LVG for EDV (r = 0.94), ESV (r = 0.97) , SV (r =0.84) and EF (r = 0.97) ,

Regional wall motion was compared by contrac-tion movie of both methods in 11 patients with asy-nergy. DSA-LVG and conventional LVG were con-cordant in classification of asynergy in 54/55 (98%). Then LV wall was divided into 12 segments tocaluculate regional %-shortening to evaluate vent-ricular contractivity quantitatively. Fifteen cases were studied preliminary to define the criteria of hypokinesis, akinesis and dyskinesis. After recombi-ning the 12 segments into 5 segments to AHA, the contraction pattern of 17 cases with asynergy was evaluated and compared with that of cineangiogra-phy of conventional LVG. The concodant rate was 80%. The reasons which induced discrepacy were discussed. It suggested that regional %-shortening may be used as a new parameter to evaluated the regional contractivity quantitatively.


Copyright © 1987, 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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