Comparison of Total Hip Arthroplasty and Core Decompression in Avascular Necrosis of the Femoral Head after Taking

Background: osteonecrosis is common after taking temgesic and norgesic. this study intended to suggest the preferable surgical treatment in osteonecrosis patients who use these drugs.methods: twenty tree patients with hip osteonecrosis who were hospitalized in the kerman hospitals after using temgesic and norgesic were followed for about 14 months from 2008 to 2010 (from a minimum of 2 months to a maximum of 2 years). 65% of patients underwent total hip arthroplasty (tha) and core decompression was performed for 35% of them. patients were compared based on functional scoring of hip before and after surgery.findings: duration of drug use was 38 months on average and injection frequency of drug was averagely 3 months. the average functional scoring of hip was 9.1 before operation and 16 after it (p < 0.001). recovery rate of patients in tha was very good and in core decompression was good.conclusion: in treatment of osteonecrosis after taking temgesic and norgesic, the tha surgery in comparison with core decompression showed better results and caused significant clinical improvement.