ArticleFrontiers in medicine2026
The Novel Acromial Angle is associated with the severity of full-thickness rotator cuff tear: a retrospective radiographic study.
Article in Frontiers in medicine, 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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Abstract
Purpose: To investigate the relationship between the Novel Acromial Angle (NAA) and the severity of rotator cuff tears, including partial bursal-side and full-thickness tears. Methods: This retrospective cohort study included 386 patients who underwent both scapular outlet-view radiography and shoulder MRI at our hospital between September 2023 and April 2025. Based on MRI findings, patients were classified into a symptomatic MRI-negative control group, a partial bursal-side tear group, or a full-thickness tear group. The NAA was measured and compared among the groups. Results: The mean NAA was significantly smaller in both tear groups than in the symptomatic MRI-negative control group ( Conclusion: NAA was significantly associated with the presence and severity of full-thickness rotator cuff tears, with smaller angles corresponding to larger tears. NAA may be a useful radiographic parameter for preoperative planning and for evaluating the potential need for acromioplasty, particularly in patients with full-thickness tears.
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