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Online ISSN 1827-1707
Botanlioglu H., Kaynak G., Guven F., Erginer R., Babacan M.
Department of Orthopedics and Traumatology, Cerrahpasa Faculty of Medicine, Istanbul University, Istanbul, Turkey
Aim: The purpose of this prospective study was to evaluate the acromion’s morphology, which is one of the extrinsic reasons of impingement syndrome, and to examine its role on this syndrome.
Methods: We have studied on the 50 shoulders who were determined to have clinical and examination findings related to impingement syndrome. On both shoulders of the patients shoulder anteroposterior and supraspinatus outlet graphies were obtained and MRI inspection was performed. Supraspinatus tendon was examined according to the criteria defined by Zlatkin. Acromion classification was performed according to Bigliani and Park classifications. Acromial slope angle defined by Aoki, lateral acromial angle defined by Banas, acromion angle defined by Toivonen and the acromion anterior tilt angle measurements have been performed. We have also investigated the acromion morphology between the healthy and diseased shoulder of the same patient.
Results: After the classification made according to Bigliani and Park; the acromion types between both shoulders of the same case were not found to be compatible. When we compared the healthy and diseased shoulders of the cases, diagnosed with impingement syndrome; it was found that there isn’t any statistically significant difference among the values of all the measurements.
Conclusion: The role of acromion in the etiology of the impingement syndrome is controversial. Some other factors other than acromion morphology can cause rotator cuff injuries mechanically. Therefore a good determination of the etiology is very important to direct the treatment.