Charnley total hip prostheses: clinical and radiographic results after 10 to 18 years.

The work reviews 76 Charnley cemented total hip prostheses applied between 1970 and 1977 using a traditional cementation technique. Long-term results after an average of 12 years (minimum 10 and maximum 18) were excellent or good in 79% of the cases, fair in 2.6% and poor in 7.9%. The revision rate was 10.5% Cases characterized by radiographic signs of loosening were studied in detail, and correlations with clinical and radiographic data searched for.