Document Detail


Subacromial pressures vary with simulated sleep positions.
MedLine Citation:
PMID:  20656524     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
HYPOTHESIS: Subacromial impingement is one of the underlying factors of rotator cuff pathologies and is linked to increased subacromial pressures. Because humans spend about one-third of their life sleeping, we hypothesized that distinct shoulder positions while sleeping may considerably influence nocturnal subacromial pressures. Consequently, atrophy and rupture can affect tendon healing after rotator cuff repair, thus potentially discrediting the outcome of surgery.
MATERIALS AND METHODS: We determined the subacromial pressures acting on the rotator cuff in the 4 most common sleep positions and related these pressures to the mean arterial blood pressure and physical examination findings in 20 healthy volunteers.
RESULTS: Subacromial pressures were significantly lower in participants sleeping preferably in a supine position than in participants sleeping in side or prone positions (P < .005).
DISCUSSION: As tendon perfusion is crucial for tendon-to-bone healing during postoperative physical therapy after rotator cuff reconstruction and for prevention of additional damage to healthy or already torn cuffs, potential clinical relevance may emerge from the present study.
CONCLUSION: Distinct shoulder positions considerably influence subacromial pressures. Our findings may be considered in physiotherapeutic concepts after rotator cuff surgery.
Authors:
Clément M L Werner; Christian Ossendorf; Dominik C Meyer; Stephan Blumenthal; Christian Gerber
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Publication Detail:
Type:  Journal Article     Date:  2010-07-24
Journal Detail:
Title:  Journal of shoulder and elbow surgery / American Shoulder and Elbow Surgeons ... [et al.]     Volume:  19     ISSN:  1532-6500     ISO Abbreviation:  J Shoulder Elbow Surg     Publication Date:  2010 Oct 
Date Detail:
Created Date:  2010-09-17     Completed Date:  2011-01-19     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9206499     Medline TA:  J Shoulder Elbow Surg     Country:  United States    
Other Details:
Languages:  eng     Pagination:  989-93     Citation Subset:  IM    
Copyright Information:
Copyright © 2010 Journal of Shoulder and Elbow Surgery Board of Trustees. Published by Mosby, Inc. All rights reserved.
Affiliation:
Department of Surgery, Division of Trauma Surgery, University Hospital Zurich, Zurich, Switzerland.
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MeSH Terms
Descriptor/Qualifier:
Atrophy
Blood Pressure / physiology
Humans
Pressure
Range of Motion, Articular
Rotator Cuff / injuries,  pathology,  surgery
Shoulder Impingement Syndrome / physiopathology
Shoulder Joint / physiology*
Sleep / physiology*
Supine Position / physiology

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


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