Abstract
Background
While robotic-assisted total hip arthroplasty (RA-THA) has been associated with improved accuracy of component placement, the perioperative and early postoperative outcomes of fluoroscopy-based RA-THA systems have yet to be elucidated.
Methods
This retrospective cohort analysis included a consecutive series of patients who received manual, fluoroscopy-assisted THA (mTHA) and fluoroscopy-based RA-THA at a single institution. We compared rates of complications within 90 days of surgery, length of hospital stay (LOS), and visual analog scale (VAS) pain scores.
Results
No differences existed between groups with respect to demographic data or perioperative recovery protocols. The RA-THA cohort had a significantly greater proportion of outpatient surgeries compared to the mTHA cohort (37.4% vs. 3.8%; p < 0.001) and significantly lower LOS (26.0 vs. 39.5 h; p < 0.001). The RA-THA cohort had a smaller 90-day postoperative complication rate compared to the mTHA cohort (0.9% vs. 6.7%; p = 0.029). The RA-THA cohort had significantly lower patient-reported VAS pain scores at 2-week follow-up visits (2.5 vs. 3.3; p = 0.048), but no difference was seen after 6-week follow visits (2.5 vs. 2.8; p = 0.468).
Conclusion
Fluoroscopy-based RA-THA demonstrates low rates of postoperative complications, improved postoperative pain profiles, and shortened LOS when compared to manual, fluoroscopy-assisted THA.
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Data availability
The data that support the findings of this study are not openly available due to reasons of sensitivity and are available from the corresponding author upon reasonable request.
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All the authors contributed to the study conception and design. Material preparation, data collection and analysis were performed by Graham BJ Buchan and Christian J Hecht II. The first draft of the manuscript was written by Graham BJ Buchan, and all the authors commented on previous versions of the manuscript. All the authors read and approved the final manuscript.
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Graham BJ Buchan and Christian J Hecht II declare they have no competing interests. James B Chen and Peter K Sculco are paid consultants for Zimmer Biomet. Atul F Kamath serves on the speakers’ bureau, is a paid consultant, and owns stock or stock options in Zimmer Biomet.
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This retrospective chart review study involving human participants was in accordance with the ethical standards of the institutional and national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. The Human Investigation Committee (IRB) of the Cleveland Clinic Foundation approved this study.
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Buchan, G.B.J., Hecht, C.J., Sculco, P.K. et al. Improved short-term outcomes for a novel, fluoroscopy-based robotic-assisted total hip arthroplasty system compared to manual technique with fluoroscopic assistance. Arch Orthop Trauma Surg 144, 501–508 (2024). https://doi.org/10.1007/s00402-023-05061-z
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DOI: https://doi.org/10.1007/s00402-023-05061-z