PubMed · 8676113
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M A Freeman. 1996. Acetabular wear.. https://doi.org/10.1016/s0883-5403(96)80173-2
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A number of techniques have been introduced to obtain reduction and fixation of rotational and vertical unstable sacral fractures and sacro-iliac (SI) joint disruptions. The purpose of this study is to report our primary experience with percutaneous cannulated screw fixation across the joint or fracture line. Fifteen consecutive patients, seven males and eight females, were operated. Six patients had isolated sacral fractures or SI joint disruption. All patients had a type C pelvic fracture according to Tile's classification. Percutaneous fixation of sacral fractures and sacro-iliac joint disruptions allows a short operating time, minimal bleeding and soft tissue damage, and immediate non-weight bearing mobilisation. No non-unions were seen and there were no cases of infection. In two patients the material had to be removed. The method gives adequate fixation of unstable posterior pelvic-ring fractures, but is technically difficult as malposition of the screws might cause serious perioperative complications.
Medial migration of a LIH (Lars Ingvar Hansson) hookpin is a very rare complication to internal fixation of hip fractures. We report a case of medial migration of an LIH hook-pin into the acetabulum. The importance of using the correct length hook-pin and ensuring that the base of the hook-pin is outside the lateral cortex of the femur is stressed.
This is a retrospective clinical evaluation of 1028 primary hip arthroplasties performed with the non-cemented Harris-Galante I acetabulaer cup. Hospital records regarding all hips operated from July 1985 through March 1992 were evaluated after a median of 48 (12-93) months. Furthermore, questionnaires were sent out to all patients still alive in order to establish the actual function of the hips. At time of evaluation, 43 of the 1028 primary acetabular cups (4.2%) had been or were due to be revised. (20 because of one or more episodes of dislocation or displacement of the cup, 10 due to deep infection, eight following aseptic loosening of the cup, two because of implant failure and three due to other reasons). Four hundred and twenty-six hips were without pain, 274 had only mild or slight pain, whereas 84 experienced moderate or worse pain. We conclude, that the results after non-cemented hemispheric acetabular arthroplasties in this study are satisfying with a low rate of aseptic loosening.