ABSTRACT
A retrospective study was undertaken to evaluate the late results and complications of the management of traumatic posterior dislocation of the hip joint Thompson Epstein type I. Twenty-five patients were followed up for an average period of 3.5 years, where these patients were evaluated by standard questionnaire, clinical and radiological examinations. The final clinical and radiological criteria were assessed and graded according to Epstein and Pennal et al. grading system. The overall results and the effect of each of many factors were analyzed for their statistical significance. The overall results were excellent in 64% of the cases, good in 16%, fair in 8% and poor in 12%. Thus, overall satisfactory results were achieved in 80%, while overall unsatisfactory results were achieved in 20%. The most important factors significantly affecting the final results were the time lapse before reduction and the type of aftercare. Regarding the long-term complications, post-traumatic arthritis was the only late complication and it was the main cause of unsatisfactory results