AnatomyDiseasesAnalytical, Diagnostic and Therapeutic Techniques and EquipmentPhenomena and Processes
Acromioclavicular JointDislocationsClavicleShoulder DislocationAcromionVisual Analog ScaleShoulder Impingement SyndromeShoulder JointShoulder PainRotator CuffScapulaShoulderReconstructive Surgical ProceduresOrthopedic ProceduresLigaments, ArticularRange of Motion, ArticularJoints

Acromioclavicular joint reconstruction with coracoacromial ligament transfer using the docking technique. (33/85)

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Motion of the shoulder complex during multiplanar humeral elevation. (34/85)

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Transsupraspinatus arthrotomy through an enlarged transacromial approach for total shoulder replacement. (35/85)

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Luggage tag technique of anatomic fixation of displaced acromioclavicular joint separations. (36/85)

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Arthroscopic vs mini-open rotator cuff repair. A quality of life impairment study. (37/85)

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Enhanced MR imaging of the shoulder, and sternoclavicular and acromioclavicular joint arthritis in primary hemochromatosis. (38/85)

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The relationship between chronic type III acromioclavicular joint dislocation and cervical spine pain. (39/85)

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The influence of the acromioclavicular joint degeneration on supraspinatus outlet impingement and the acromion shape. (40/85)

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.  (+info)