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Radionuclide Assessment of Nitroglycerin Influence on Regional Myocardial Perfusion in Ischemic Heart Tadashi Kurihara 1 , Michihiro Narita 1 , Hitoshi Kawaradani 1 , Toshiro Kikkawa 1 , Masahisa Usami 1 1Department of Internal Medicine, Sumitomo Hospital pp.999-1006
Published Date 1979/9/15
DOI https://doi.org/10.11477/mf.1404203435
  • Abstract
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To evaluate the effect of nitroglycerin (TNG) on ischemic heart, we employed ECG-synchronous cardiac pool imaging with Tc-99m labeled human serum albumin and myocardial perfusion scin-tigram with T1-201 in ten patients with coronary artery disease before and after administration of 0.6 mg of TNG. Left ventricular end-diastolic volume (EDV), end-systolic volume (ESV), ejec-tion fraction (EF) and left ventricular wall motion were obtained from cardiac pool imagings. Back-ground subtracted myocardial images and T1-uptake indexes in various myocardial segments were employed to evaluate regional myocardial perfusion.

In five patients in whom asynergy improved with TNG (improved group) compared to five who were not improved (unimproved group), the percent increase of EF was significant (13.8±3.1 vs 2.0±1.1%; p<0.01) without difference in per-cent changes in EDV (-18.1±2.9 vs -17.6±4.4 %), systolic blood pressure (-15.4±2.3 vs -23.6 ±8.6%) and double product (-10.6±8.6 vs -12.0 ±9.6%).


Copyright © 1979, 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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