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J Bone Joint Surg Br. 2008 Mar;90(3):272-9. doi: 10.1302/0301-620X.90B3.19868.

Posterolateral rotatory instability of the elbow.

Author information

1
Department of Upper Limb Surgery, Wrightington Hospital, Hall Lane, Appley Bridge, Wigan WN6 9EP, UK. bcharalambos@hotmail.com

Abstract

Posterolateral rotatory instability is the most common type of symptomatic chronic instability of the elbow. In this condition the forearm complex rotates externally in relation to the humerus, causing posterior subluxation or dislocation of the radial head. The lateral ligament complex, radial head and coronoid process are important constraints to posterolateral rotatory instability, and their disruption is involved in the pathogenesis of this condition. The diagnosis relies on a high index of clinical suspicion, active and passive apprehension tests, and examination under anaesthesia. Surgical treatment has given consistently successful results. Open reconstruction of the lateral ligaments with a tendon graft has been the procedure of choice, with arthroscopic techniques emerging as a potential alternative.

PMID:
18310745
DOI:
10.1302/0301-620X.90B3.19868
[Indexed for MEDLINE]

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