ArticleCureus2025
Factors Influencing the Use of Patient-Specific Instrumentation (PSI) in Shoulder Arthroplasty: A Single-Centre Study.
Article in Cureus, 2025. 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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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Background Accurate component placement is vital for shoulder arthroplasty success, with poor positioning linked to a range of clinical complications. This study aims to identify which patient, anatomical and surgical factors influenced the adoption of patient-specific instrumentation (PSI) for glenoid component placement. These included patient demographics, implant type, glenoid version and inclination, glenoid dimensions, use of augmentation, and surgeon-related factors. Methodology A retrospective decision-analysis study of 191 shoulder arthroplasty cases (reverse and anatomical) conducted between 2021 and 2024 at a single NHS trust. Preoperative imaging protocols, component planning, degree of deformity and intraoperative decision-making were examined. The primary outcome was the association between anatomical factors and PSI use. Statistical analysis performed using SPSS v16 (SPSS Inc., Chicago, IL). Results PSI use was strongly associated with increased glenoid retroversion (Cramér's V = 0.37,
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