ArticleJournal of shoulder and elbow arthroplasty2026
Reverse shoulder arthroplasty for fracture: how does a contemporary lateralized prosthesis compare with a Grammont-style implant?
Article in Journal of shoulder and elbow arthroplasty, 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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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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9 authors.
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Abstract
Background: Reverse shoulder arthroplasty is considered for displaced geriatric proximal humerus fractures (PHFs). This study compared clinical and radiographic outcomes of "Grammont-style" medialized and contemporary lateralized implants, hypothesizing that contemporary implants yield greater range of motion and tuberosity healing. Methods: This retrospective single-institution case series reviewed 74 shoulders (74 patients) treated for acute PHFs from 2008-2020. Patients received a medialized reverse shoulder arthroplasty (M-rTSA) (Delta Xtend; n = 31) or lateralized reverse shoulder arthroplasty (L-rTSA) prosthesis (ReUnion RFX; n = 43). Outcomes included visual analog scale pain scores, American Shoulder and Elbow Surgeons scores, and range of motion. Tuberosity healing was classified radiographically as anatomic, malunion, nonunion, partial migration, or resorption. Results: The mean follow-up was 34.2 and 19.9 months for the M-rTSA and L-rTSA groups, respectively, with no significant demographic differences. L-rTSA shoulders demonstrated greater external rotation (45° vs. 31°; Conclusion: Lateralized implants were associated with improved tuberosity healing and external rotation compared to Grammont-style implants for acute PHFs. Tuberosity healing was correlated with better clinical outcomes.
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