Video Experimental Relacionado
Updated: Jan 13, 2026
The Transition to an Anterior-Based Muscle Sparing Approach Improves Early Postoperative Function but is Associated with a Learning Curve
Published on: September 7, 2022
Longitudes de estancia hospitalaria reducidas pero sin diferencias en la supervivencia tras artroplastia total de
Gregory Poyser1, Tim Cheok2, Yvana Toh3
1Department of Orthopaedic Surgery, Queen Elizabeth II Jubilee Hospital, Coopers Plains, Queensland, Australia.
Background:
Although robotic arm-assisted total hip arthroplasty (RA-THA) has been increasing in popularity, the outcomes following its use are still uncertain.
Methods:
We performed a propensity-matched prospective cohort study comparing all-cause revision, odds of instability/dislocation, odds of periprosthetic joint infection (PJI), and hospital length of stay (HLOS) between patients receiving an RA-THA versus a conventional total hip arthroplasty (CO-THA). Consecutive patients undergoing a primary elective total hip arthroplasty (THA) via a posterior approach at our institution between January 2019 and February 2024 were included. Those who received a bilateral simultaneous THA were excluded. We successfully matched 268 pairs of hips.
Results:
There was no difference in all-cause revision risk between the RA-THA and CO-THA groups (hazard ratio = 1.00, P = 1.000). Furthermore, there was also no significant difference in the odds of instability/dislocation (odds ratio = 1.00, P = 1.000) and the odds of PJI (odds ratio = 0.75, P = 0.704. The HLOS was significantly shorter in the RA-THA cohort by 0.49 days (P = 0.044). The median follow-up duration was 3.46 years (interquartile range: 1.92 to 4.64).
Conclusion:
Although there was no difference in short-term revision risk in patients receiving an RA-THA versus a CO-THA, likely, the benefits from improved implant positioning are yet to be realized. This study is underpowered, and results should be interpreted with caution. The shorter HLOS observed in the RA-THA group may help offset the increase in consumable costs incurred. Further studies with long-term follow-up, alongside a cost-effectiveness analysis, are required.
