Authors
Ebrahim Oro, Viktor Mili-Schmidt, Michael Axenhus
Published in
BMC musculoskeletal disorders. Jul 13, 2026. Epub Jul 13, 2026.
Abstract
Primaryshoulder arthroplasty is increasingly used to treat degenerative and traumatic shoulder conditions. This study aims to analyze incidence trends of primary shoulder arthroplasty in Sweden from 2008 to 2023 and to evaluate temporal changes in surgical and fixation methods, with projections for future incidence rates through 2025 and 2030.
A retrospective, population-based study combining data from the Swedish National Patient Register (NPR) and the Swedish Shoulder Arthroplasty Register (SSAR). All patients aged ≥ 15 years undergoing primary shoulder arthroplasty between January 1, 2008 and December 31, 2023 were included. Incidence rates were calculated per 100,000 inhabitants, and regression modelling based on best fit were used to assess temporal trends and projections through 2030.
28,632 primary shoulder arthroplasties were performed (women: 18,569; men: 10,063). Overall incidence increased from 13.2 to 32.7 per 100,000. Women had higher increases in absolute incidence rates (17.4 to 41.2) while men showed a greater relative increase (8.8 to 24.2). HA declined steadily, becoming the least used method. Usage of RTSA increased, becoming the most common method in individuals aged ≥ 65 years. Cemented fixation declined across both age groups.
The incidence of primary shoulder arthroplasty in Sweden more than doubled between 2008 and 2023, with a shift towards RTSA, away from HA and cemented fixation. Projections indicate continued growth through 2030.
PMID:
42443864
Bibliographic data and abstract were imported from PubMed on 14 Jul 2026.
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