Short-term clinical efficacy analysis of direct anterior approach for primary total hip arthroplasty in the lateral decubitus position
Objective To evaluate the short-term clinical efficacy of primary total hip arthro-plasty(THA)using the direct anterior approach(DAA)in the lateral decubitus position.Methods A retrospective study was conducted on 31 patients(31 hips)who underwent pri-mary THA using DAA in the lateral decubitus position from October 2021 to November 2022 in The Sixth Affliated Hospital of Jinan University.Intraoperative blood loss,operative time,post-operative pain visual analogue scale(VAS)score,Harris score,related complications,and im-aging evaluations were assessed.Results All 31 patients(31 hips)were followed up for 1 year.The intraoperative blood loss was(303.3±25.8)mL for patients with femoral neck frac-tures and(225.0±26.9)mL for non-femoral neck fracture patients.The operation time was(75.7±8.0)min.VAS scores at 72 h postoperatively and during follow-up were significantly lower than preoperative scores(P<0.01).The Harris scores at 1 month,6 months,and 1 year of follow-up were significantly improved compared with preoperative scores(P<0.01).Femoral calcar fissure occurred in 1 patient(1 hip)during operation.The discrepancy in two legs length was corrected from preoperative 0～19 mm to postoperative-2～3 mm(P<0.01).The mean acetabular anteversion angle was 17.6°±2.7°,and the abduction angle was 43.2°±3.9°.There were no cases of acetabular component rotation,femoral component loose-ning or subsidence,femoral periprosthetic fractureor dislocation during follow-up.Conclusion DAA for primary THA in the lateral decubitus position has good short-term clinical efficacy.It is minimally invasive,safe and reliable,and is worthy of clinical promotion.
total hip arthroplastydirect anterior approachlateral decubitus position
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