This study evaluated early postoperative results of 150 consecutive primary total hip arthroplasties performed by a single surgeon; 50 from mini-incision posterior approach, 50 during the learning curve for the direct anterior approach, and 50 subsequent cases when the approach was routine. The anterior approach groups had significantly reduced hospital length of stays (2.9 and 2.7 days versus 3.9 days for the posterior group; P < 0.0001) and discharge to home versus rehab was more likely (80% and 84% in anterior groups, 56% in posterior group; P = 0.0028). In the anterior groups, there was significantly less use of assistive devices and narcotics at 6 weeks, and pain was significantly lower. Primary total hip arthroplasty using the anterior approach allows for superior recovery in a matched cohort of patients.
Keywords: Smith-Peterson; direct anterior total hip arthroplasty; functional recovery; posterior total hip arthroplasty; total hip arthroplasty.
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