BACKGROUND: The treatment of choice for intracapsular neck of femur (NOF) fractures in younger, more active patients remains unknown. Some surgeons advocate total hip replacement (THR). AIM: This study aimed to compare complications following THR and hemiarthroplasty using the Hospital Episode Statistics (HES) database in England. METHOD: Dislocation and revision rates were extracted for all patients with NOF fracture who underwent either cemented hemiarthroplasty or cemented THR between January 2005 and December 2008. To make a 'like for like' comparison all 3866 THR patients were matched to 3866 hemiarthroplasty patients (from a total of 41,343) in terms of age, sex and Charlson score. RESULTS AND CONCLUSION: Eighteen-month dislocation was significantly higher in the THR group (2.4% vs. 0.5%, odds ratio (OR) 3.90 (2.99-5.05), p<0.001). This difference was sustained at the 4-year stage (2.9% vs. 0.9%, OR 3.18 (1.58-6.94), p=0.001) in a subset of patients with longer follow-up. There was no significant difference in revision rate up to 4 years (1.8% vs. 2.1%, OR 0.85 (0.46-1.55), p=0.666). In this national analysis of matched patients short- and medium-term dislocation rates following THR were significantly higher than following cemented hemiarthroplasty, without any difference in revision rates at 4 years. The low risk of dislocation may be acceptable in order to experience the apparent functional benefits of THR.
BACKGROUND: The treatment of choice for intracapsular neck of femur (NOF) fractures in younger, more active patients remains unknown. Some surgeons advocate total hip replacement (THR). AIM: This study aimed to compare complications following THR and hemiarthroplasty using the Hospital Episode Statistics (HES) database in England. METHOD: Dislocation and revision rates were extracted for all patients with NOF fracture who underwent either cemented hemiarthroplasty or cemented THR between January 2005 and December 2008. To make a 'like for like' comparison all 3866 THR patients were matched to 3866 hemiarthroplasty patients (from a total of 41,343) in terms of age, sex and Charlson score. RESULTS AND CONCLUSION: Eighteen-month dislocation was significantly higher in the THR group (2.4% vs. 0.5%, odds ratio (OR) 3.90 (2.99-5.05), p<0.001). This difference was sustained at the 4-year stage (2.9% vs. 0.9%, OR 3.18 (1.58-6.94), p=0.001) in a subset of patients with longer follow-up. There was no significant difference in revision rate up to 4 years (1.8% vs. 2.1%, OR 0.85 (0.46-1.55), p=0.666). In this national analysis of matched patients short- and medium-term dislocation rates following THR were significantly higher than following cemented hemiarthroplasty, without any difference in revision rates at 4 years. The low risk of dislocation may be acceptable in order to experience the apparent functional benefits of THR.
Keywords:
Hemiarthroplasty; Hip surgery; Hip trauma; Intracapsular hip fracture; Management; National joint register; Outcomes; Proximal femoral fracture; Total hip replacement
Authors: J Craik; R Geleit; J Hiddema; E Bray; R Hampton; G Railton; D Ward; J Windley Journal: Ann R Coll Surg Engl Date: 2019-03-11 Impact factor: 1.891
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