J Korean Fract Soc.  2008 Oct;21(4):316-319. 10.12671/jkfs.2008.21.4.316.

Bipolar Clavicular Dislocation: A Case Report

Affiliations
  • 1Department of Orthopaedic Surgery, Yong-San Hospital, Chung-Ang University College of Medicine, Seoul, Korea. boneman@cau.ac.kr

Abstract

Bipolar clavicular dislocation is simultaneous dislocation of both poles of the clavicle (mainly an anterior dislocation of the sternoclavicular joint and a posterior dislocation of acromioclavicular joint) and rarely reported. We report a case of bipolar claviclular dislocation after a seat belt injury and describe its presumed mechanism and treatment with a review of literature.

Keyword

Clavicle; Bipolar dislocation; Seat belt injury

MeSH Terms

Clavicle
Dislocations
Seat Belts
Sternoclavicular Joint

Figure

  • Fig. 1 (A) Preoperative AP radiograph shows the widened acromioclavicular joint. (B, C) 3D Computer tomogram shows posterior dislocation of the lateral end of the clavicle and anterior subluxation of the medial end of the clavicle simultaneously.

  • Fig. 2 (A) Immediate postoperative AP radiograph shows anatomical reduction of acromioclavicular joint, wires within distal clavicle used fixation of artificial ligament and temporary fixation of acromioclavicular joint with two K-wire. (B, C) Last follow up at 11 month after surgery. The reduction was well maintained.

  • Fig. 3 Injury mechanism. Direct force on the posterolateral aspect of acromion or on the anterolateral aspect of distal clavicle may induce posterior dislocation of acromioclavicular joint, and torsional force of the trunk may provoke a horizontal abduction force along the injured clavicle consequently, anterior dislocation of sternoclavicular joint occur.


Cited by  1 articles

Clavicle Midshaft Fracture with Acromioclavicular Joint Dislocation: A Case Report
Chul-Hyun Cho, Chul-Hyung Kang, Soo-Won Jung, Hyuk-Jun Seo
J Korean Fract Soc. 2009;22(4):297-299.    doi: 10.12671/jkfs.2009.22.4.297.


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