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Original Research

Ann Med Res. 2011; 18(1): 14-19


Metal-on-Metal Total Hip Arthroplasty for Crowe I and II Dysplastic Hips: Short-term Results of 66 Patients

Kasım Kılıçarslan*, İsmail Demirkale*, Hakan Çiçek*, Nadir Yalçın*

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Abstract


Objectives: This retrospective study was designed to evaluate outcome of patients with coxarthrosis secondary to low grade hip dysplasia treated with large head Metal-on-Metal (MoM) hip arthroplasty.

Patients and methods: Seventy–six dysplastic hips of sixty-six patients were managed with large head MoM cementless total hip arthroplasty and they had a mean of 51 months (range, 42-62 months) follow-up after surgery. The mean age was 44.5 years and 51 (77.2%) of the patients were female. There were 46 Crowe I hips and 30 Crowe II hips. While ten patients had bilateral dysplastic hips, 2 of them had left sided type I and right sided type II dysplasia. The functional evaluation was done with Harris hip scoring system whereas radiological evaluation was done according to Pagnano, Gruen and DeLee and Charnley.

Results and Conclusion: No dislocation or signs of early aseptic loosening was detected in our patients. Patients whom were operated for bilateral hip dysplasia showed a mean functional score of 89.4±0.4 points beside the unilateral cases which was 96.3±0.7 points (p






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