Abstract
Hip fracture is a major health concern in elderly people. Thc standard line of management is hip arthroplasty classified whether it is intracapsular or extracapsular. Hemi arthroplasty is the preferred surgery in geriatric population as less mobility and the large diameter of the femur head reduces the chances of dislocation. There are 4 surgical techniques for Hemi -arthroplasty: anterior (Smith-Peterson), anterolateral (Watson. lones), lateral (Hardinge or Liverpool) and posterior (moore). Common complications of hip replacement include infection, fracture, dislocation, venous thrombosis, nerve palsy, chronic pain and implant failure. ln literature: there are very few reported cases of Dissociation of the Implant in hemi arthroplasty. We hereby present a case report on dissociation of prosthesis which was timely recognised and treated adequately. The cemented bipolar prosthesis used can also lead to dissociation of the implant components and thereby the need for open reduction. Identification of the difference between dislocation of head and dissociation of the prosthetic componcnts is vital for favourable patient prognosis.
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