Feature Article
Fewer Hip Dislocations With Anterior Total Hip Arthroplasty for Displaced Femoral Neck Fracture
Abstract
The primary goal of this study was to compare dislocation rates with an anterior approach vs a posterior approach for patients who underwent total hip arthroplasty (THA) for displaced femoral neck fracture. A retrospective review was conducted of patients who underwent THA for acute femoral neck fracture at the authors' level I trauma center. All patients had at least 1 year of follow-up. Modified Harris Hip Score (mHHS) and EuroQol 5D-5L score were obtained to assess hip function and overall quality of life at a minimum of 12 months postoperatively. The study population included 76 patients (posterior, 22; anterior, 54), with mean follow-up of 39 months (range, 12–125 months). Significantly more postoperative complications occurred in the posterior group compared with the anterior group (7 vs 4, respectively; P=.006). In addition, significantly more hip dislocations occurred in the posterior group compared with the anterior group (3 vs 1, respectively; P=.037). The study did not show a difference in mHHS (anterior, 82; posterior, 77; P=.411). The findings suggest that an anterior-based approach to THA may result in fewer complications than a posterior-based approach for patients who have displaced femoral neck fracture. Patients should be counseled on the higher perioperative risk after surgery compared with patients undergoing elective THA. Patients undergoing THA with an anterior approach for femoral neck fracture can expect to achieve good hip functional outcome and good quality of life 12 months after surgery. [Orthopedics. 2021;44(2):e248–e252.]
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