Short-term results of total hip arthroplasty for post traumatic arthritis in acetabular fracture internal fixation

Background: Post traumatic arthritis is common in young patients. It should be treated by normal joint biomechanics to not developing. Total hip arthroplasty (THA) after this disorder is a challenge for orthopedics. Objectives: The aim of this study was to assess the short term outcomes of THA following acetabular fracture. Patients and Methods: 85 patients with post-traumatic arthritis after acetabular fractures were treated by THA in Milad and Erfan hospitals, Tehran, Iran during 5-year. Short-term outcomes of subjects were evaluated. 73/85 were male and the mean age of participants was 49 years (18-69 years). Prospective functional outcome and complications of THA was recorded in follow up of patients for a period of 5.21 +/- 0.38 years. Results: There was no dislocation, DVT or PTE and only 4 cases with preoperative sciatic nerve injury detected. Two cases (2.35%) underwent re-operation. Our analysis of results showed that Modified Hip Harris Score (MHHS) improved from 43.64 +/- 4.42 preoperatively to 93.26 +/- 3.28 postoperatively (P<0.0001). Five-years survival was 95% with all variables considered. Conclusion: THA makes good pain relief and functional outcome with few complications and cementless acetabular reconstruction for post-traumatic arthritis after acetabular fracture is suggested.