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Evaluation of left ventricular systolic and diastolic function for identification of incipient cardiac dysfunction:Application of computerized cardiac nuclear probe Yoshihiko Seino 1 , Hiromu Tei 1 , Junji Munakata 2 , Shigeru Kawagoe 2 , Takahiro Imaizumi 1 , Toshiro Ueda 1 , Hirokazu Hayakawa 1 , Hidemasa Okumura 1 1Department of Medicine, Nippon Medical School 2Department of Medicine, Tokyo Metropolitan Komagome Hospital pp.57-63
Published Date 1988/1/15
DOI https://doi.org/10.11477/mf.1404205182
  • Abstract
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Evaluation of LV diastolic function as well as sys-tolic function has been suggested to be useful for the prediction of latent cardiac dysfunction. We measured LVEF, ER PFR and TPFR in 95 patients 38 ischemic [IHD], 34 hypertensives [HHD] and 23 anthracyclin (40~1000 mg/m2) treated [ADR]} using a computerized cardiac nuclear probe (CNP).

Reproducibility of CNP measures were LVEF (r= 0.96, p<0.001), ER (r=0.88, p<0.001), PFR (r= 0.91, p<0.001) and TPFR (r=0.80, p<0.01). LVEF by CNP correlated well with that by γ-camera (r= 0.82, p<0.001) and UCG (r=0.76, p<0.001). Im-paired systolic function and/or diastolic function were found in 50% and 91% of [IHD], 18% and 37% of [HHD], 43% and 52% of [ADR]. In [ADR] patients, cumulative dose of [ADR] significantly correlated with PFR (r=-0.75, p<0. 05), LVEF (r =-0.47, p<0. 05) and ER (r=-0.50, p<0. 05). PFR became significantly lower values in the cu-mulative dose of more than 300 mg/m2, while LVEF and ER in the dose of more than 550 mg/m2.

These results showed the high resolution temporal imaging capacity of CNP, and suggested earlier lowering of PFR would be useful for the identifica-tion of incipient cardiac dysfunction, especially cumulative dose (>300 mg/m2) dependent diastolic dysfunction in adriamycin cardiomyopathy.


Copyright © 1988, 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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