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Beitragstitel Intraoperative Imaging in Hip Arthroplasty - a meta-analysis and systematical review of randomized controlled studies and observational studies
Beitragscode P22
  1. Yannic Lecoultre Luzerner Kantonsspital (LUKS) Vortragender
  2. Ingmar Rompen
  3. Jan Danek
  4. Bryan Van de Wall
  5. Pascal Haefeli Luzerner Kantonsspital Luzern
  6. Björn-Christian Link Luzerner Kantonsspital
Präsentationsform Poster
  • A04 - Hüfte
Abstract Background
Intra-operative fluoroscopy (IFC) is becoming increasingly popular in total hip arthroplasty, with the aim to achieve better component positioning and reduction of revision rates. This meta-analysis investigates the benefit of IFC by comparing it to intra-operative clinical assessment only. Primary outcome is component positioning. Secondary outcomes include complication and revision rates. 

PubMed, Embase and Cochrane Central Register of Controlled Trials were searched for both randomized clinical trials (RCT) and observational studies. Effect estimates were pooled across studies using random effects models and presented as weighted odds ratio (OR) with corresponding 95% confidence interval (95%CI). 

A total of 10 observational studies with a total of 1224 patients were included. No randomized trials were found. IFC showed a significant reduction in femoral offset-difference (3.6 vs 4.4mm, p-value 0.01). There is no significant difference in acetabular cup position (inclination and anteversion), leg-length discrepancies, revision (none reported) or overall complication rates. 

The current meta-analysis found a reduction in offset-differences to be a potential benefit of intraoperative fluoroscopy in hip arthroplasty. However, no differences in cup positioning, leg length discrepancy, the incidence of complications or revision surgery were detected. Given the lack of prospective data, the significance of intraoperative fluoroscopy in hip arthroplasty remains unclear. Further research is warranted.