• Arch Orthop Trauma Surg · Aug 2024

    Comparative Study

    Comparison of postoperative outcomes between endoscopy assisted minimal invasive direct anterior approach and bikini direct anterior approach in total hip arthroplasty.

    • Zhibo Deng, Hanhao Dai, Chao Song, Fenqi Luo, Yijing Wu, Rongsheng Zhang, Jun Luo, and Jie Xu.
    • Shengli Clinical Medical College of Fujian Medical University, Fuzhou, People's Republic of China.
    • Arch Orthop Trauma Surg. 2024 Aug 1; 144 (8): 370537133705-3713.

    BackgroundWe have innovatively developed a modified bikini direct anterior approach total hip arthroplasty (THA), endoscopy assisted minimal invasive direct anterior approach (Endo-DAA). The study compared aesthetic appearance of the scar, postoperative radiographic and functional outcomes, and complications of Endo-DAA with Bikini-DAA.MethodsPatients who underwent primary THA using Endo-DAA or Bikini-DAA were included. The main innovation of Endo-DAA is the use of minimally invasive 5-7 cm proximal transverse incision and distal puncture with an endoscopy assisted split-type tool to complete the acetabular preparation and prosthesis implantation. Outcomes evaluated included evaluation of scar satisfaction, hip reconstruction including inclination, anteversion and leg-length discrepancy (LLD) and patient-reported outcomes including Harris Hip Scores (HHS) and Forgotten Joint Score (FJS). Follow-up time points included preoperative, 6 weeks, 6 months and 12 months.ResultsFinally, 195 hips in Endo-DAA and 207 hips in Bikini DAA completed the follow-up. The Endo-DAA group was superior to the Bikini-DAA group in the cosmetic aspects of scars. the cup anteversion angle of Endo-DAA group was significantly better than that in the Bikini-DAA group. The early HHS and FJS of the Endo-DAA group were superior to those of the Bikini-group. Operation time, blood loss, incision length, length of stay and duration to start no-assistive-device walking were also significantly better in the Endo-DAA group. Furthermore, the Bikini-DAA group had a higher incidence of complication.ConclusionCompared with Bikini-incision, Endo-DAA improves patients' subjective satisfaction with scar aesthetics, accelerates rapid recovery of postoperative function, and reduces postoperative complications.© 2024. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.

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