Einfluss von Komorbiditäten auf die Revisionsrate im 1. Jahr postoperativ nach Primärimplantation einer Hüfttotalendoprothese

Nesslage, Roman; Radtke, Kerstin; Hohloch, Lisa; Flörkemeier, Thilo; Lewinski, Gabriela von

doi:10.1055/s-0042-118602

Cited by 5 publications

(2 citation statements)

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“…The number of registered patient characteristics was limited in this registry. For example, alcohol and drug use, fluid and electrolyte disorders, and peripheral vascular disorders are not included, while these are known to influence revision rates [28]. Smoking behaviour, BMI, Charnley score, and postal code were added since 2014 to the LROI, so these were limited available for the current population.…”

Section: Plos Onementioning

confidence: 99%

Survival and reasons for revision of the uncemented Symax hip stem: A Dutch Arthroplasty Register study

et al. 2021

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Aims Previous studies have already shown early proximal ingrowth, fast osseous integration, and a stable fit of the uncemented Symax hip stem, with excellent clinical and radiographic performance. Aims were to evaluate cumulative revision rates and reasons for revision of the Symax hip stem using Dutch Arthroplasty Register (LROI) data and to assess possible associations between patient characteristics and revision rate of the Symax hip stem. Patients and methods All total hip arthroplasties with the uncemented Symax hip stem registered in the LROI between 2007 and 2017 were included (n = 5,013). Kaplan-Meier survival analysis was performed to assess the cumulative 1, 5 and 7-year revision percentages. Cox proportional hazard regression analysis was performed to assess the association between patient and procedural characteristics, and revision arthroplasty of the stem. Results Cumulative 1, 5, and 7-year revision rates (with 95% confidence interval (CI)) for revision of any component were 1.5% (CI 1.2%-1.8%), 3.2% (CI 2.7%-3.7%), and 3.8% (CI 3.1%-4.4%) respectively. Cumulative 1, 5, and 7-year stem revision rates of the Symax hip stem were 0.9% (CI 0.6%-1.1%), 1.5% (CI 1.1%-1.9%), and 1.7% (CI 1.3%-2.1%) respectively. Periprosthetic fractures (n = 35) and loosening of the stem (n = 30) were the most common reasons for revision of the stem. Revision of the stem was associated with acute fracture as primary diagnosis (Hazard Ratio (HR) 2.4 (CI 1.3–4.3)), or history of a previous surgery to the affected hip (HR 2.7 (CI 1.4–5.2)). Conclusion This population-based registry study shows revision rates for the Symax hip stem comparable to those for best performing uncemented total hip arthroplasties in the Netherlands. Primary diagnosis of an acute fracture, and history of previous surgery on the affected hip, were significantly associated risk factors for revision of the Symax hip stem, and we discourage the use of the Symax hip stem in these patients.

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