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  • Επιστημονικές Δημοσιεύσεις Μελών ΠΘ (ΕΔΠΘ)
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The influence of the acromioclavicular joint degeneration on supraspinatus outlet impingement and the acromion shape

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Author
Roidis, N. T.; Motamed, S.; Vaishnav, S.; Ebramzadeh, E.; Karachalios, T. S.; Itamura, J. M.
Date
2009
Keyword
acromioclavicular joint
acromion
adolescent
adult
aged
article
case control study
female
human
male
methodology
middle aged
nuclear magnetic resonance imaging
pathology
rotator cuff
shoulder impingement syndrome
skeletal muscle
Aged, 80 and over
Case-Control Studies
Humans
Magnetic Resonance Imaging
Muscle, Skeletal
Metadata display
Abstract
PURPOSE: To assess the anatomic association of acromioclavicular joint degeneration to supraspinatus outlet impingement and the acromion shape. METHODS: Sagittal oblique magnetic resonance images of 49 shoulders in 49 patients were reviewed. 29 of them (mean age, 59 years) underwent surgery for impingement with or without rotator cuff tear (group 1), whereas the 20 controls (mean age, 27 years) were treated for shoulder instability without rotator cuff disease or acromioclavicular joint derangement (group 2). The supraspinatus outlet and the acromion shape of the 2 groups were compared. RESULTS: The difference in the mean supraspinatus outlet between groups 1 and 2 was 11% (514 vs 577 mm[2], p=0.095) and between the subgroup (of group 1) with full thickness rotator cuff tears and group 2 was 17% (481 vs 577 mm[2], p=0.036). Six of the acromions in group 1 were type III (hooked) compared to none in group 2. CONCLUSION: In severe acromioclavicular degeneration, distal clavicular excision is recommended, even in cases with an asymptomatic acromioclavicular joint, so as to prevent further osteophyte formation.
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http://hdl.handle.net/11615/32682
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Η δικτυακή πύλη της Ευρωπαϊκής Ένωσης
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