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…According to Dr Parvizi, “Dislocation after total hip arthroplasty is a distressful complication for both the patient and the surgeon. Although prevention of hip instability is considered to be of utmost importance by orthopedic surgeon, dislocation remains the second most common complications of total hip arthroplasty. Dislocation after primary THA occurs in 0.3% to more than 10% and in up to 28% of patients after revision THA. For treatment purposes, dislocation after THA can be placed into two temporal categories–early and late–based on the timing of onset. Early dislocation usually occurs in the early postoperative period (less than six months) after the primary arthroplasty. More than half of dislocations occur within the first 3 months postoperatively and more than three fourth occur within 1 year. Early dislocations are often successfully treated with conservative management and carry a better prognosis with a lower rate of recurrence. In comparison, late dislocations occur later usually after five years and have a multifactorial etiology including polyethylene wear and soft tissue laxity. The management of late dislocation generally requires surgical intervention.”…
Dr Parvizi is the Director and Vice Chairman of clinical research at Rothman Institute and Thomas Jefferson University with interest in reconstruction of complex pelvis, hip, and knee diseases with special emphasis on joint preservation.