| Rehabilitation: Periodic somatosensory stimulation increases arterial baroreflex sensitivity in chronic heart failure patients. | |
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MedLine Citation:
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PMID: 20691484 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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BACKGROUND: One of the beneficial effects of exercise training in chronic heart failure (CHF) is an improvement in baroreflex sensitivity (BRS), a prognostic index in CHF. In our hypothesis-generating study we propose that at least part of this effect is mediated by neural afferent information, and more specifically, by exercise-induced somatosensory nerve traffic. OBJECTIVE: To compare the effects of periodic electrical somatosensory stimulation on BRS in patients with CHF with the effects of exercise training and with usual care. METHODS: We compared in stable CHF patients the effect of transcutaneous electrical nerve stimulation (TENS, N=23, LVEF 30±9%) with the effects of bicycle exercise training (EXTR, N=20, LVEF 32±7%). To mimic exercise-associated somatosensory ergoreceptor stimulation, we applied periodic (2/s, marching pace) burst TENS to both feet. TENS and EXTR sessions were held during two successive days. RESULTS: BRS, measured prior to the first intervention session and one day after the second intervention session, increased by 28% from 3.07±2.06 to 4.24±2.61ms/mmHg in the TENS group, but did not change in the EXTR group (baseline: 3.37±2.53ms/mmHg; effect: 3.26±2.54ms/mmHg) (P(TENS vs EXTR)=0.02). Heart rate and systolic blood pressure did not change in either group. CONCLUSIONS: We demonstrated that periodic somatosensory input alone is sufficient and efficient in increasing BRS in CHF patients. This concept constitutes a basis for studies towards more effective exercise training regimens in the diseased/impaired, in whom training aimed at BRS improvement should possibly focus more on the somatosensory aspect. |
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Authors:
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Maaike G J Gademan; Yiping Sun; Liming Han; Vanessa J Valk; Martin J Schalij; Henk J van Exel; Carolien M H B Lucas; Arie C Maan; Harriette F Verwey; Hedde van de Vooren; Gian D Pinna; Roberto Maestri; Maria Teresa La Rovere; Ernst E van der Wall; Cees A Swenne |
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Publication Detail:
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Type: Journal Article Date: 2010-08-09 |
Journal Detail:
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Title: International journal of cardiology Volume: 152 ISSN: 1874-1754 ISO Abbreviation: Int. J. Cardiol. Publication Date: 2011 Oct |
Date Detail:
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Created Date: 2011-10-04 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8200291 Medline TA: Int J Cardiol Country: Netherlands |
Other Details:
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Languages: eng Pagination: 237-41 Citation Subset: IM |
Copyright Information:
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Copyright © 2010 Elsevier Ireland Ltd. All rights reserved. |
Affiliation:
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Department of Cardiology, Leiden University Medical Center, Leiden, The Netherlands. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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