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March 8, 2026

What you see is what you get: High degree of alignment accuracy with hand-held computer-aided technology when comparing intraoperative alignment to postoperative radiographs in direct anterior total hip arthroplasty.

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Authors

TGThomas Matthew GeisslerMedical College of WisconsinJHJacob HallMedical College of WisconsinNKNicolas KoerberMedical College of Wisconsin

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Overview

Evaluates accuracy in acetabular component positioning in patients undergoing computer-navigated hip surgery, indicating significant improvements.

Key Points

  • To evaluate the precision of computer-navigated total hip arthroplasty in leg length restoration and acetabular positioning.
  • Evaluated 122 patients undergoing direct anterior computer-navigated THA.
  • Intra-operative measurements were taken using CN THA technology.
  • Post-operative radiographs were analyzed with TraumaCad® for comparison.
  • Statistical analyses included Pearson correlation coefficients.
  • 85.25% of cases restored leg length within 5 mm discrepancies.
  • 90.98% of acetabular inclination measurements were within acceptable ranges.
  • 74.59% of acetabular anteversion measurements were precise.
  • Strong correlation observed between intra-operative and post-operative measurements.

Cite This Study

Geissler et al. (2026) studied this question.

synapsesocial.com/papers/69ada804bc08abd80d5bb2b6https://doi.org/10.1177/10225536261431549
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Surgical accuracy of implant positioning in robotic-assisted versus conventional total hip arthroplasty – Experience of a Joint Replacement Centre in Hong Kong2026
  2. 2Robotic-assisted Total Hip Arthroplasty Utilizing a Fluoroscopy-guided System Produced Similar Cup Accuracy and Precision Relative to a Computerized Tomography-based Robotic Platform2024
  3. 3Robotic-arm assistance in revision total hip arthroplasty improves the accuracy of acetabular component positioning: a cadaver-based study2026
  4. 4Computer‐Assisted Total Hip Arthroplasty Improves Acetabular Prosthesis Placement Accuracy: A Multicenter, Randomized Controlled Clinical Study2024 · 1 citations
  5. 5The clinical outcomes of robotic-assisted total hip arthroplasty through the direct anterior approach: A meta-analysis and systematic review2025 · 5 citations