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The Association between SLAP Lesions and Critical Shoulder Angle and Glenoid Depth [Souvislost mezi SLAP lézemi a kritickým úhlem ramena a hloubkou glenoidu]
F. I. Can, E. Gültaç, S. Yilmaz, R. M. Kilinç, C. Y. Kilinç
Language English Country Czech Republic
Document type Journal Article
- MeSH
- Acromion MeSH
- Adult MeSH
- Middle Aged MeSH
- Humans MeSH
- Scapula MeSH
- Osteoarthritis * diagnostic imaging surgery MeSH
- Shoulder * MeSH
- Retrospective Studies MeSH
- Check Tag
- Adult MeSH
- Middle Aged MeSH
- Humans MeSH
- Male MeSH
- Female MeSH
- Publication type
- Journal Article MeSH
PURPOSE OF THE STUDY: The critical shoulder angle (CSA) is formed by the combination of glenoid inclination and acromial index and has been shown related to rotator cuff tears and glenohumeral osteoarthritis. SLAP lesions today have an important place among bicipitolabral pathologies that cause intensive shoulder pain. We aimed to investigate the relationship between CSA and glenoid depth and SLAP lesions. MATERIAL AND METHODS: Between March 2017 and January 2022, 279 consecutive shoulder arthroscopy patients' MRI images were retrospectively examined. After the exclusion criteria, 191 patients were eligible. Patients with SLAP lesions (n=37) were assembled as the study group (Group 1), and patients with intact superior labrum (n=154) were named as the control group (Group 2). Critical shoulder angle (CSA) and glenoid depth measurements were performed using the preoperative MRI images. RESULTS: A total of 191 patients, of whom 84 were male (44%) were included. The mean age was 49.9±14.96 (range 18-79). There was a statistically signifi cant difference between the SLAP group (Group 1) and the control group (Group 2) in terms of CSA (p=0.032). The mean CSA was 31.66°±3.51° in Group 1 and 33.57° ±5.01° in Group 2. The cut-off value for CSA in patients with SLAP lesions was calculated as 32.85° and the area under the curve was 0.61, therefore a satisfactory association was observed between the groups. The mean glenoid depth was 4.32 ±1.25 mm in Group 1, and 4.39 ±0.32 mm in Group 2. There was no statistically signifi cant difference between the groups in terms of glenoid depth (p=0.136) and also no association between the glenoid depth and SLAP lesions was observed (cut-off=4.45 mm, AUC=0.32). CONCLUSIONS: Low CSA is associated with SLAP lesions, just as in glenohumeral osteoarthritis. Further prospective clinical studies are needed to enlighten the predisposing effect of CSA to SLAP lesions and the success of superior labral repairs. LEVEL OF EVIDENCE: Retrospective comparative study, Level III.
Department of Radiology Faculty of Medicine Mugla Sitki Kocman University Mugla Turkey
Muğla Research and Training Hospital Orthopedics and Traumatology Clinic Mugla Turkey
Souvislost mezi SLAP lézemi a kritickým úhlem ramena a hloubkou glenoidu
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Literatura
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