Acta Chir Orthop Traumatol Cech. 1995; 62(1):47-52
[Experience with Non-cemented Endoprostheses (Walter-Motorlet) of the Hip Joint.].
- Ortopedická klinika IPVZ, Nemocnice na Bulovce, Praha.
In 1987-1992 at the Orthopaedic Clinic of the IPVZ 61 non-cemented total endoprostheses of the hip joint Walter-Motorlet were implanted. The mean age of the patients is 50 years, the most frequent cause of operation is secondary postdysplastic arthritis of the hip joint (42.6%). In 1994 the authors evaluated the results, using Harris' method. The shortest follow up period is 12 months, the mean follow up period 29 months. In the subjective evaluation 23% of the patients report pain of the operated joint dependent on analgetics. In the general evaluation excellent or good results were recorded in 68.2%, satisfactory results in 20.5%, poor results in 11.3% of the patients. Roentgenological loosening of the socket was observed in three patients, the socket was, however, not reimplanted so far. Five patients were reoperated on account of aseptic loosening of the shank; reimplantation of a cemented shank Poldi was performed. In another three patients there are certain X-ray signs of loosening. So far failure of the femoral component occurred so far in eight patients. As compared with the hybrid combination Walter-Motorlet socket/Poldi shank the results are from the aspect of subjective evaluation by the patients as well as with regard to the number of aseptic loosenings worse when non-cemented prostheses are used. Key words: non-cemented endoprosthesis of the hip joint, aseptic loosening, reoperation of TEP of the hip joint.
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