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Κυριακή 19 Σεπτεμβρίου 2021

Robotic‐Arm Assisted versus Manual Total Hip Arthroplasty: Systematic Review and Meta‐analysis of Radiographic Accuracy

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Abstract

Background

We systematically reviewed the radiological outcomes of studies comparing robotic-assisted (RA-THA) and manual total hip arthroplasty (mTHA) .

Methods

The PubMed, Embase, and Cochrane databases were queried from 1994-2021 for articles comparing radiographic outcomes between RA-THA and mTHA cohorts. A meta-analysis was conducted whenever sufficient data was present for common outcomes.

Results

Our analysis included 20 articles reporting on 4,140 patients (RA-THA: n=1,228; mTHA: n= 2,912). No differences were demonstrated for acetabular inclination or anteversion. However, RA-THA demonstrated higher rates of cup orientation within the Lewinnek and Callanan safe zones, improved femoral stem alignment, and lower global offset difference (GOD) and limb length discrepancy (all p-values <0.05). Superior femoral canal fill and combined offset were seen among RA-THA patients.

Conclusion

Our review found that the use of RA-THA yields superior radiographic outcomes compared to mTHA counterparts. This information can inform healthcare systems considering investing in and implementing these technologies.

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