Management of hip osteoarthritis in young active patients is made more challenging by the longevity required of the prostheses used and the level of activity they must endure. The aim of this study was to compare the functional outcomes and activity levels following hip resurfacing (HR) and uncemented total hip arthroplasty (UTHA) in young active patients matched for age, gender and activity levels. 255 consecutive hip arthroplasties performed in a teaching hospital were retrospectively reviewed from which were identified 58 UTHA patients and 58 HR patients, matched for age, gender and pre-operative activity level. Mean age of patients within UTHA was 58.5 years (34 – 65) and in HR was 57.9 years (43 – 68). No patients within the study were lost to follow-up. Mean follow-up was five years. Within each group there was a statistically significant improvement in the mean UCLA score following surgery (p=0.00). In the HR Group, mean UCLA score improved from 4.2 (1–8) to 6.7 (3–10) while in the UTHA group the mean UCLA score improved from 3.4 (1–7) to 5.8 (3–10). Mean OHS improved from 44.4 (31–57) to 16.6 (12–31) in the HR group and from 46.1 (16–60) to 18.8 (12–45) in the UTHA group, p = 0.00 each group. This study found no statistically significant difference in the levels of function (p= 0.82) or activity pursued (p= 0.60) after surgery between UTHA and HR in a population of patients matched for age, gender and pre-operative activity levels. This study has shown comparable outcomes with hip resurfacing and uncemented THA in terms of both functional outcomes and activity levels in a group of young active patients. The potential complications unique to hip resurfacing may be avoided by the use of uncemented THA. In addition, uncemented THA has a longer track record.
The management of osteoarthritis of the hip in young active patients has always been challenging. This can be made more difficult because of the longevity required of the prostheses used and the level of activity they must endure. The aim of this study was to compare the functional outcomes and activity levels following hip resurfacing and uncemented THA in young active patients matched for age, gender and activity levels. A retrospective review of 255 consecutive hip arthroplasties performed in a teaching hospital was carried out. From this series we identified 58 patients who had undergone uncemented THA (Group A) and 58 patients who underwent hip resurfacing (Group B), matched for age, gender and pre-operative activity level. The mean age of patients within Group A was 58.5 years (34–65) and in Group B was 57.9 years (43–68). Mean pre-operative University of California at Los Angeles (UCLA) score in Group A was 3.4 (1–7) and in Group B was 4.2 (1–8). The mean pre-operative Oxford Hip Score (OHS) was 46.1 (16–60) and 44.4 (31–57) in Groups A and B respectively. Mean follow-up period was five years (4–7 years). In the hip resurfacing group, the mean UCLA score improved from 4.2 (1–8) to 6.7 (3–10), while in the uncemented THA group this improved from 3.4 (1–7) to 5.8 (3–10). Similarly, the mean OHS improved from 44.4 (31–57) to 16.6 (12–31) in the hip resurfacing group and from 46.1 (16–60) to 18.8 (12–45) in the uncemented THA group. This study found no statistically significant difference in the levels of function (p= 0.82) or activity pursued (p= 0.60) after surgery between uncemented THA and hip resurfacing in a population of patients matched for age, gender and pre-operative activity levels. Although there was statistically significant improvement in UCLA and OHS within each group, it was found that no group was better than the other. This study has shown comparable outcomes with hip resurfacing and uncemented THA in terms of both functional outcomes and activity levels in a group of young active patients. The potential complications unique to hip resurfacing may be avoided by the use of uncemented THA. In addition, uncemented THA has a longer track record.
Ambulation improved in 5, was unchanged in 5 and deteriorated in one. Neurological status deteriorated in 4 and remained static in the others. However in all but one case the neurological deficit was defined by the nature of proposed surgery. Mean survival from surgery for patients with metastatic disease was 9.5 months (3–18). At mean follow up of 10 months (1–19 months), all patients with primary tumours were still alive without evidence tumour recurrence. Extralesional excision, and therefore potentially curative surgery, was achieved in 4 cases where this was the primary goal of surgery (osteosarcoma, osteoblastoma, chordoma, embryonic rhabdomyosarcoma). There were no cases of metalwork failure. One patient has undergone revision surgery for pseudathrosis.