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Autonomic Function and Severity of Hypertrophic Cardiomyopathy by Power Spectrum Analysis on Heart Rate Variability Shozo Inoue 1 , Shoso Nezuo 1 , Toshitami Sawayama 1 , Kouichi Hasegawa 1 , Keiji Tamura 1 , Junji Tanaka 1 , Takashi Nakamura 1 , Takehiko Kato 1 , Jun Ebata 1 1Division of Cardiology, Department of Medicine, Kawasaki Medical School Keyword: 肥大型心筋症 , 心拍変動スペクトル解析 , ホルター心電図 , hypertrophic cardiomyopathy , heart rate variability spectrum analysis , Holter monitoring pp.1209-1213
Published Date 1992/12/15
DOI https://doi.org/10.11477/mf.1404900589
  • Abstract
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To examine the relation of autonomic function and severity of hypertrophic cardiomyopathy (HCM) with and without ventricular tachycardia (VT) and poor blood pressure response on Treadmill exercise, 30 patients with HCM and 10 healthy controls were selected. Autonomic function was assessed by heart rate variability (HRV) on 24hr-Holter monitoring. The power spectrum analysis was classified into LF component, HF component and ratio of LF/HF.

(1) Night time HF and LF decreased, and LF/HF increased in HCM compared with healthy controls. (2) HF decreased more in HCM with VT.


Copyright © 1992, 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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