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Outcome and revision rate of uncemented humeral head resurfacing:Mid-term follow-up study

World Journal of Orthopedics 2021年第6期12卷 403-411页

作者： claudio chillemi Carlo Paglialunga Greta De Giorgi Riccardo Proietti Stefano Carli Marco Damo Department of Orthopaedics and Traumatology Istituto Chirurgico Ortopedico TraumatologicoLatina 04100LazioItaly Department of Anatomical HistologicalForensic Medicine and Orthopaedics SciencesSapienza University of RomeICOTLatina 04100LazioItaly

BACKGROUND Glenohumeral osteoarthritis(OA)is a common cause of pain and disability affecting nearly a third of the world’s population over 60 years of *** in other joints,shoulder arthroplasty appears to be the most effective *** implant design has evolved during time transitioning to shorter humeral stem lengths or even stemless *** To evaluate the medium-term outcome and survival of a cementless humeral head resurfacing(HHR)in a group of patients affected with OA or avascular *** This is a retrospective study of prospectively collected data using HHR in 23 patients(15 female and 8 male)after a 7.4 year *** collected data included clinical and radiographical *** Constant score,the visual analogue scale,and a clinical evaluation of range of motion were registered preand *** patients affected with OA(2 cases of mild,6 moderate,and 7 severe)and 10 with avascular necrosis(stage III according to Cruess classification)were enrolled.X-rays were evaluated to detect loosening signs,degenerative changes,and superior humeral head *** resonance preoperatively was also performed to assess the rotator cuff *** integrity was mandatory to implant the *** In total,19 patients(21 shoulders)completed the *** on 4 shoulders,in 4 patients,were lost because of prosthesis *** global revision rate was 16%.A statistically significant improvement in the mean Constant score,visual analogue scale,and range of motion have been *** signs of loosening were registered,while in 12 cases a glenoid erosion was *** osteophytes appeared 7 times on the humeral side and 12 on the *** humeral migration was recorded in only 1 *** HHR remains a reasonable option in patients with an intact rotator cuff for the treatment of OA and avascular necrosis.

关键词： Shoulder Arthroplasty Humeral head Resurfacing Glenoid erosion Prosthesis failure

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