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  • Title: Long-term results of total hip arthroplasty in congenital dislocation and dysplasia of the hip. A follow-up note.
    Author: Garvin KL, Bowen MK, Salvati EA, Ranawat CS.
    Journal: J Bone Joint Surg Am; 1991 Oct; 73(9):1348-54. PubMed ID: 1918117.
    Abstract:
    Twenty-three of twenty-nine hips that were previously reported on were studied at an average of fourteen years (range, eight to 16.5 years) after total hip arthroplasty with cement. The original arthroplasties had been performed between November 1971 and January 1976. In all hips, there was dislocation or severe dysplasia. In six hips, superolateral bone grafts were used to increase acetabular coverage. At the latest follow-up examination, seven hips were rated excellent; nine, good; and one, fair. There were six failures (26 per cent) that were revised: four hips (17 per cent) had a fractured Trapezoidal-28 stem, one had loose femoral and acetabular components, and one had loosening of only the acetabular component. Radiographic analysis of the remaining hips revealed that one had progressive acetabular radiolucencies. This patient had an excellent clinical result. Two-thirds of the failures were due to a fractured stem.
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