title: Factors contributing to lysis of the femoral neck in total hip arthroplasty.
abstract: A radiographic analysis of 483 Charnley total hip arthroplasties performed from July 1970 to November 1975 demonstrated that 13% of the hips had lysis of the medial femoral neck. The findings suggest that the lysis of the medial femoral neck is significantly reduced if the femoral stem is oriented in a valgus or neutral position and with at least 5 mm of cement separating the stem of the prosthesis and the medial cortex of the femoral neck.
mesh_terms: D001843:Bone Cements; D001862:Bone Resorption / Q000000981:diagnostic imaging / Q000209:etiology*; D005272:Femur Neck / Q000000981:diagnostic imaging*; D006622:Hip Prosthesis; D006801:Humans; D007592:Joint Diseases / Q000209:etiology*; D011183:Postoperative Complications / Q000000981:diagnostic imaging / Q000209:etiology*; D011859:Radiography
chemical_list: D001843:Bone Cements