Posterolateral rotatory instability of the elbow
نویسندگان
چکیده
منابع مشابه
Posterolateral rotatory instability of the elbow.
Since its original description by O'Driscoll in 1991, PLRI is becoming increasingly recognized as a significant cause of elbow pathology. It is well documented that this problem results from an insufficiency of the radial ulnohumeral ligament and its related lateral structures, and that this insufficiency is usually the result of elbow trauma. Diagnosis has improved with the introduction of the...
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J Bone Joint Surg [Br] 2008;90-B:272-9. 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 poster...
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ateral stability of the elbow depends on the integrity of the lateral collateral ligament and secondary softtissue restraints. Posterolateral rotatory subluxation of the elbow has been recognized in association with elbow trauma, surgery for epicondylitis, and congenital cubitus varus deformity. While abnormal signal changes on magnetic resonance imaging have been shown to include the lateral c...
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The natural course of untreated posterior lateral rotatory instability of the elbow is unclear. A case of elbow arthrosis with progressing deformity and flexion contracture after an episode of elbow dislocation about 20 years ago presented the possibility the long term outcome of untreated posterior lateral rotatory instability of the elbow.
متن کاملLateral collateral ligament injuries of the elbow – chronic posterolateral rotatory instability (PLRI)
Chronic posterolateral rotatory instability (PLRI) is the most common form of chronic elbow instability.PLRI usually occurs from a fall on the outstretched hand. On impact, the radial head and ulna rotate externally coupled with valgus displacement of the forearm. This leads to posterior displacement of the radial head relative to the capitellum, thus causing disruption of some or all of the la...
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ژورنال
عنوان ژورنال: The Journal of Bone and Joint Surgery. British volume
سال: 2008
ISSN: 0301-620X,2044-5377
DOI: 10.1302/0301-620x.90b3.19868