Japanese

Postoperative thallium-201 myocardial scintigram:evidence of the regression of right ventricular hypertrophy Takeshi Tsugu 1 , Hajime Yamazaki 1 , Yaeko Takagi 2 , Makoto Kondo 2 , Atsushi Kubo 2 , Fumitaka Ohsuzu 1 , Tadashi Inoue 3 , Shunnosuke Handa 1 , Yoshiro Nakamura 1 1Dept. of Med. Keio Univ. 2Dept. of Radiology, Keio Univ. 3Dept. of Thoracic Surgery, Keio Univ. pp.81-85
Published Date 1982/1/15
DOI https://doi.org/10.11477/mf.1404203916
  • Abstract
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In cases with chronic right ventricular (RV) overload, visualization of RV on thallium-201 (Tl) images at rest is attributed to RV hyper-trophy (H). To assess whether RVH in man regresses after surgical correction of hemo-dynamic overload. postoperative Tl images were obtained in 24 adult cases with isolated RV overload who had visualized RV at preoperative period.The degree of RV visualization remained essentially unchanged, and decrement of RV cavity was observed in cases with atrial septal defect, within 3 months postoperatively. In contrast, RV visualization was definitely less in all cases at 18-33 months postoperative period. However, complete disappearance of RV, as in cases with normal hemodynamics, was not ob-served in this period.

These observation suggests that RVH is large-ly, if not completely, reversible even in cases with congenital heart disease.


Copyright © 1982, 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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