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A Warm Footbath Improves Coronary Flow Reserve in Patients with Mild-to-Moderate Coronary Artery Disease.
MedLine Citation:
PMID:  21854441     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Backgrounds: Recent studies have shown that thermal therapy by means of warm waterbaths and sauna has beneficial effects in chronic heart failure. However, a comprehensive investigation of the hemodynamic effects of thermal vasodilation on coronary arteries has not been previously undertaken. In this study, we studied the effect of a warm footbath (WFB) on coronary arteries in patients with coronary artery disease (CAD), as well as any adverse effect. Methods: We studied 21 patients (33.3% men, mean age 60.8 ± 13.5 years) with CAD. Coronary flow Doppler examination of the left anterior descending coronary artery and coronary flow reserve (CFR) were performed and measured using adenosine before and after a WFB. Results: Systolic and diastolic blood pressure and heart rate did not change with the WFB. Mean velocity of diastolic coronary flow significantly increased (diastolic mean flow velocity: 18.3 ± 7.1 cm/sec initial, 21.5 ± 8.0 cm/sec follow-up, P = 0.002) and CFR significantly improved (1.6 ± 0.4 vs. 2.2 ± 0.5, P < 0.001) after WFB. The WFB was well accepted and no relevant adverse effects were observed. The change of CFR after WFB correlated well with diastolic function (E', r = 0.51, P = 0.031; E/E', r =-0.675, P = 0.002). Conclusions: A WFB significantly improved CFR without any adverse effects in patients with mild-to-moderate CAD and can be applied with little risk of a coronary artery event if appropriately performed. (Echocardiography, ****;**:1-6).
Authors:
Se-Jung Yoon; Jong-Kwan Park; Seungjin Oh; Dong Woon Jeon; Joo Young Yang; Suk-Min Hong; Min-Sub Kwak; Yoon-Suk Choi; Se-Joong Rim; Ho-Joong Youn
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-8-19
Journal Detail:
Title:  Echocardiography (Mount Kisco, N.Y.)     Volume:  -     ISSN:  1540-8175     ISO Abbreviation:  -     Publication Date:  2011 Aug 
Date Detail:
Created Date:  2011-8-22     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8511187     Medline TA:  Echocardiography     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
© 2011, Wiley Periodicals, Inc.
Affiliation:
Division of Cardiology, National Health Insurance Corporation Ilsan Hospital, Goyang, Korea Department of Internal Medicine, Cardiology Division, Kangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea Department of Internal Medicine, Division of Cardiology, College of Medicine, Catholic University of Korea, Seoul, Korea.
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