Abstract
The purpose of this study was to investigate whether robotic-assisted total hip arthroplasty (RATHA) is superior to conventional total hip arthroplasty (CTHA) in terms of radiological and clinical outcomes. Three databases (PubMed, Cochrane Library, and Embase) were searched for articles published before 11 May 2021. The comparison outcomes of interest included radiological and clinical outcomes. Eighteen studies involving 2845 hips that compared the radiological and clinical outcomes of RATHA and CTHA were included in this study. There was no significant difference between RATHA and CTHA in cup anteversion or complications. However, RATHA showed better outcomes in terms of leg-length discrepancy, stem alignment, cup inclination, the Lewinnek safe zone, Callanan safe zone, total complications, and intraoperative complications. Robotic-assisted total hip arthroplasty was inferior to CTHA in terms of operative time and dislocations (all p-values<0.05). The radiological and clinical outcomes of RATHA were comparable and even better than those of CTHA, except for operative time and dislocation outcomes.
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