| Cardiovascular responses during thermoneutral, head-out water immersion in patients with coronary artery disease. | |
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MedLine Citation:
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PMID: 17558242 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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PURPOSE: Water is frequently recommended as a therapeutic medium for cardiac patients. Reports on the cardiovascular response to immersion often differ, however, depending, for instance, if full or partial immersion were considered. The purpose of this study was to examine the cardiovascular responses to 2 immersion protocols in 3 age and gender-matched groups of patients each with a specific coronary artery disease. METHODS: Fifteen patients with coronary artery disease entered water using a stepwise immersion (STEP) protocol (5 stages in 15 minutes) and an immediate, complete immersion (IM) protocol (2 stages in 6 minutes). Cardiac indices were monitored by transthoracic echocardiography. The heart rate was generated from the electrocardiogram, and blood pressure was measured using a manual mercury manometer. RESULTS: The end-diastolic volume, end-systolic volume, stroke volume, and cardiac output decreased during STEP but increased during IM. As a consequence, the preload on the heart was greater during IM. Changes in systolic blood pressure were comparable in the 2 situations. The immersion-related decrease of heart rate was seen during STEP, but not during IM. Nevertheless, the hemodynamic responses to the initial stages of STEP up to the ankle joint were quite similar to those observed during immediate immersion to the neck. CONCLUSION: The cardiovascular responses to IM and STEP differed between protocols and even among subgroups within the same protocol. The findings further suggest that isolated immersion of body extremities can be beneficial to patients with coronary artery disease as preliminary preparation before complete water immersion is undertaken. |
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Authors:
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Lutz Schega; Gunter Claus; Michael Almeling; Andre Niklas; Daniel J Daly |
Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Journal of cardiopulmonary rehabilitation and prevention Volume: 27 ISSN: 1932-7501 ISO Abbreviation: - Publication Date: 2007 Mar-Apr |
Date Detail:
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Created Date: 2007-06-11 Completed Date: 2007-09-26 Revised Date: 2008-11-21 |
Medline Journal Info:
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Nlm Unique ID: 101291247 Medline TA: J Cardiopulm Rehabil Prev Country: United States |
Other Details:
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Languages: eng Pagination: 76-80 Citation Subset: IM |
Affiliation:
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Department of Rehabilitation Science, Katholieke Universiteit Leuven, Leuven, Belgium. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Aged Analysis of Variance Blood Pressure Body Temperature* Cardiac Output Cardiovascular Physiological Phenomena* Case-Control Studies Coronary Artery Disease / physiopathology*, ultrasonography Echocardiography Electrocardiography Head* Heart Rate Humans Hypertrophy, Left Ventricular / physiopathology, ultrasonography Immersion / physiopathology* Male Manometry Middle Aged Ventricular Function, Left Water* |
| Chemical | |
Reg. No./Substance:
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7732-18-5/Water |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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