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Small anteroposterior inclination of the acromion is a predictor for posterior glenohumeral erosion (B2 or C)
- Publication Year :
- 2019
-
Abstract
- BACKGROUND Anatomic factors associated with static posterior translation of the humeral head with or without glenohumeral osteoarthritis are unknown. We tested the hypothesis that there is an association between glenoid wear, glenoid version, and/or anteroposterior acromial tilt. METHODS Ninety-nine patients with glenohumeral joint degeneration involving advanced glenoid cartilage wear and/or rotator cuff disease scheduled for anatomic or reverse total shoulder replacement underwent standardized conventional radiographic and computed tomographic shoulder imaging. Measurements included glenoid version, humeral torsion, posterior acromial slope, and critical shoulder angle. The glenoid shape was classified according to Walch et al, and the integrity of the rotator cuff was assessed. RESULTS Patients with glenoid type B2 or C had a median of 4° more glenoid retroversion (P = .022), a 5° less steep acromion (posterior acromial slope, 61° vs 56°; P = .004), and a higher combined score (glenoid version minus slope; odds ratio, 0.93 [95% confidence interval, 0.89-0.97]; P
- Subjects :
- Adult
Male
musculoskeletal diseases
Radiography
610 Medicine & health
Osteoarthritis
2732 Orthopedics and Sports Medicine
Scapula
medicine
Humans
Orthopedics and Sports Medicine
Rotator cuff
Acromion
Aged
Orthodontics
Shoulder Joint
business.industry
General Medicine
Middle Aged
musculoskeletal system
medicine.disease
Sagittal plane
2746 Surgery
medicine.anatomical_structure
Arthroplasty, Replacement, Shoulder
Cuff
Tears
Female
Surgery
10046 Balgrist University Hospital, Swiss Spinal Cord Injury Center
Tomography, X-Ray Computed
business
Subjects
Details
- Language :
- English
- Database :
- OpenAIRE
- Accession number :
- edsair.doi.dedup.....a24013a9fe7d04d307f7affdbb64d52b