TY - JOUR
AU - Hetland, K.
AB - A prospective comparative study was made of patients in the age-group 60–79 years with osteoarthritis of the hip treated with the Müller total hip prosthesis (n = 155) and the ICLH double-cup prosthesis (n = 149). The patients were comparable with regard to sex, mean age, and body weight, and the preoperative radiographic appearance of the hips was the same in the two groups. The mean operating time was significantly shorter in the Müller group, whereas the operative blood loss and the operative complications were statistically equal. No deep infections occurred in either group. The incidence of systemic complications was low and no difference between the two groups was seen. The patients are followed up for an average of 48.5 months (range: 27–75 months). Dramatic improvement in hip function was seen postoperatively in both prosthetic groups. The Müller group had more favorable ratings than the ICLH group for pain, walking ability, hip motion, and total hip score at all follow-ups, from 3 weeks to 5 years after the operation. However, the differences were rather small and did not reach a significant level at any registration. The acetabular radiolucent zones and heterotopic bone formation were statistically equal in the two groups. No revision operations have been done in the Müller group. Two Müller prostheses have shown radiographic signs of mechanical loosening. Thirteen ICLH prostheses (8.7%) — all in female patients — have been reoperated (P < 0.001), 12 owing to mechanical loosening and one because of pain and stiffness. The revision operations were as easy to perform as the primary operations, and the hip function after revision was excellent. Based on this study, we conclude that the clinical results with a double-cup prosthesis without radiographic evidence of mechanical loosening are comparable to the results with a mechanically stable conventional hip prosthesis. The disadvantage of the double-cup prosthesis is the relatively high frequency of mechanical loosening at 2–6 years' follow-up. To us, the double-cup prosthesis represents another possibility for total hip replacement in younger patients with sufficient bone stock of the femoral head.
TI - Total hip replacement with Müller Pprosthesis and ICLH double cup
JF - Archives of Orthopaedic and Trauma Surgery
DO - 10.1007/BF00433937
DA - 2004-09-24
UR - https://www.deepdyve.com/lp/springer-journals/total-hip-replacement-with-m-ller-pprosthesis-and-iclh-double-cup-HbLEmUVE70
SP - 175
EP - 182
VL - 105
IS - 3
DP - DeepDyve
ER -