ArticleJournal of experimental orthopaedics2026
Low all-cause 90-day mortality after revision knee arthroplasty: A study based on the Swedish Perioperative Register (SPOR), 2017-2022.
Article in Journal of experimental orthopaedics, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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5 authors.
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Abstract
Purpose: Revision knee arthroplasty (rKA) is performed when a primary implant fails and is associated with a higher perioperative risk than primary arthroplasty. Early postoperative mortality after rKA in Sweden is poorly described. We aimed to estimate all-cause mortality within 90 days after rKA in Sweden and to explore associations with patient characteristics and calendar year. Methods: Register-based cohort study using data from the Swedish Perioperative Register (SPOR). All adults undergoing rKA (national classification of surgical procedures and the kod for knee revision atrhroplasty) during 2017-2022 were included ( Results: Overall, 90-day mortality was low (15/2616; 0.57%; 95% confidence interval [CI]: 0.34-0.92) with no significant variation by calendar year ( Conclusions: Ninety-day mortality after rKA in Sweden was low and remained stable between 2017 and 2022. Advanced age, higher ASA class and revision due to periprosthetic joint infection appeared to be the dominant risk factors. Preoperative preparation, medical optimization and, where feasible, prehabilitation of older and frail patients should be considered. Level of Evidence: Not applicable, quality register-based study.
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