Document Detail

Bilateral Anterior Dislocation of the Shoulder: Review of Seventy Cases and Proposal of a New Etiological-mechanical Classification.
MedLine Citation:
PMID:  23026366     Owner:  NLM     Status:  Publisher    
BACKGROUND: Although anterior shoulder dislocation is common in everyday practice in Emergency Departments, bilateral presentation is a rare entity. OBJECTIVES: The aim of this article is to report two additional cases of this rare injury and to introduce a new mechanism that can produce it. We made an exhaustive review of the literature and found 68 cases in printed publications. Also, we analyzed the mechanism of injury and the presence of predisposing factors, and propose a new etiological-mechanical classification. CASE REPORT: One case occurred after a trivial fall, and the other was produced by a mechanism not previously reported: the patient pushed strongly forward, expecting a resistance and finding none, his arms kept the forward movement and the shoulders dislocated. DISCUSSION: This lesion has a bimodal distribution, affecting mainly men (70%) with a mean age of 33.5 years, whereas in women, the average age is 57 years. The most common cause is trauma (50%), followed by muscle contractions (37%) due to seizures of different causes (epileptic, hypoglycemia, toxic, or hypoxic) or electrocution. In 15.7% of the cases, the diagnosis of bilateral anterior dislocation was not acute (<3 weeks), and in virtually all of these cases it was not traumatic. CONCLUSION: The bilateral anterior shoulder dislocation may not be as rare as previously thought and must be taken into account in emergency services. The authors propose a new etiological-mechanical classification. Also, the importance of radiologic diagnosis must be highlighted.
Rafael Ballesteros; Pablo Benavente; Nuria Bonsfills; Marta Chacón; Francisco J García-Lázaro
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-9-28
Journal Detail:
Title:  The Journal of emergency medicine     Volume:  -     ISSN:  0736-4679     ISO Abbreviation:  J Emerg Med     Publication Date:  2012 Sep 
Date Detail:
Created Date:  2012-10-2     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8412174     Medline TA:  J Emerg Med     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012 Elsevier Inc. All rights reserved.
Orthopedic Surgery Service, Universitary Hospital Fuenlabrada, Madrid, Spain.
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