Document Detail

The effect of bed rest and an exercise countermeasure on leg venous function.
MedLine Citation:
PMID:  18719936     Owner:  NLM     Status:  MEDLINE    
This study was performed to assess the effect of resistive vibration exercise during bed rest deconditioning on venous vascular dimension and function, as measured with ultrasound in the popliteal vein. Sixteen men were assigned to bed rest (BR-Ctrl) or bed rest with resistive vibration exercise (BR-RVE). Before and at 25 and 52 days of bed rest, popliteal vein diameter was measured at increasing cuff pressures. Venous capacitance and compliance were calculated from the pressure-volume curve. After 52 days of bed rest, BR-Ctrl showed no change in baseline popliteal vein diameter or compliance, while venous capacitance decreased. Resistive vibration exercise had no effect on the response in venous diameter, capacitance or compliance to 52 days of bed rest. The decline in venous capacitance due to long-term bed rest is not effectively counteracted by resistive vibration exercise, indicating that an alternative factor during bed rest deconditioning is responsible for venous changes.
Noortje T L van Duijnhoven; Michiel W P Bleeker; Patricia C E de Groot; Dick H J Thijssen; Dieter Felsenberg; Jörn Rittweger; Maria T E Hopman
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Publication Detail:
Type:  Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't     Date:  2008-08-22
Journal Detail:
Title:  European journal of applied physiology     Volume:  104     ISSN:  1439-6319     ISO Abbreviation:  Eur. J. Appl. Physiol.     Publication Date:  2008 Dec 
Date Detail:
Created Date:  2008-11-05     Completed Date:  2009-03-05     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100954790     Medline TA:  Eur J Appl Physiol     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  991-8     Citation Subset:  IM    
Department of Physiology, Radboud University Nijmegen Medical Centre, Nijmegen, The Netherlands.
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MeSH Terms
Bed Rest*
Cardiovascular Deconditioning / physiology*
Exercise / physiology*
Leg / blood supply
Popliteal Vein / physiology*,  ultrasonography
Regional Blood Flow / physiology
Vascular Capacitance / physiology

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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