Dissociation of bipolar prostheses with hip subluxation: A case report and literature review | Zendy

LeouChyr Lin | Zendy; Jung-Jui Chang | Zendy; RuYu Pan | Zendy

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Dissociation of bipolar prostheses with hip subluxation: A case report and literature review

Author(s) -

LeouChyr Lin,

Jung-Jui Chang,

RuYu Pan

Publication year - 2014

Publication title -

journal of medical sciences

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.176

H-Index - 12

eISSN - 2542-4939

pISSN - 1011-4564

DOI - 10.4103/1011-4564.143649

Subject(s) - medicine , avascular necrosis , subluxation , femoral head , surgery , acetabulum , prosthesis , complication , femoral neck , reduction (mathematics) , osteoporosis , alternative medicine , pathology , endocrinology , geometry , mathematics

Bipolar hemiarthroplasty, a modular system, has been utilized for decades to treat intracapsular fractures of the femoral neck and avascular necrosis of the femoral head. Dislocation is one of the main complications of hip hemiarthroplasty performed for displaced femoral neck fractures. Classic dislocation of the hemiarthroplasty from the native acetabulum occurs in 2.6% of cases. Dissociation between the small head of the prosthesis and the polyethylene insert is an extremely rare complication of bipolar hemiarthroplasty and results in hip dislocation and severe disability. Surgeons must be cognizant of this rare complication and should proceed to open reduction to treat this problem

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