Component placement accuracy of two digital intraoperative fluoroscopy supplementation systems in direct anterior total hip arthroplasty

Introduction Intraoperative fluoroscopy (IF) may increase accuracy of component placement when performing direct anterior approach total hip arthroplasty (THA), however, unguided IF continues to produce inconsistent results. Supplementation of IF, with a digital grid (Grid) system or digital overlay...

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Bibliographic Details
Published in:Archives of orthopaedic and trauma surgery 2022-06, Vol.142 (6), p.1283-1288
Main Authors: Thorne, Tyler, Nishioka, Scott, Andrews, Samantha, Mathews, Kristin, Nakasone, Cass
Format: Article
Language:English
Subjects:
Accuracy
Arthritis
Fractures
Hip Arthroplasty
Joint replacement surgery
Medicine
Medicine & Public Health
Orthopedics
Osteoarthritis
Patients
Pelvis
Trauma
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Summary:Introduction Intraoperative fluoroscopy (IF) may increase accuracy of component placement when performing direct anterior approach total hip arthroplasty (THA), however, unguided IF continues to produce inconsistent results. Supplementation of IF, with a digital grid (Grid) system or digital overlay (Overlay), may increase component placement accuracy. The purpose of this study was to compare component placement accuracy following THA when IF was supplemented with the Grid or Overlay technique. Materials and methods Acetabular abduction and anteversion, with leg length discrepancy (LLD) and global hip offset (GHO) were retrospectively evaluated for unilateral and bilateral THA patients from 6-week post-operative radiographs. Target component placement were GHO and LLD 
ISSN:1434-3916
0936-8051
1434-3916
DOI:10.1007/s00402-021-04008-6