{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,11,3]],"date-time":"2026-11-03T13:47:21Z","timestamp":1793713641780,"version":"4.6.1"},"reference-count":112,"publisher":"Bioscientifica","issue":"11","license":[{"start":{"date-parts":[[2026,2,13]],"date-time":"2026-02-13T00:00:00Z","timestamp":1770940800000},"content-version":"vor","delay-in-days":1565,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":["journals.bioscientifica.com"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2021,11,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>The initial reverse shoulder arthroplasty (RSA), designed by Paul Grammont, was intended to treat rotator cuff tear arthropathy in elderly patients. In the early experience, high complication rates (up to 24%) and revision rates (up to 50%) were reported. The most common complications reported were scapular notching, whereas clinically more relevant complications such as instability and acromial fractures were less commonly described. Zumstein et al defined a \u2018complication\u2019 following RSA as any intraoperative or postoperative event that was likely to have a negative influence on the patient\u2019s final outcome. High rates of complications related to the Grammont RSA design led to development of non-Grammont designs, with 135 or 145 degrees of humeral inclination, multiple options for glenosphere size and eccentricity, improved baseplate fixation which facilitated glenoid-sided lateralization, and the option of humeral-sided lateralization. Improved implant characteristics combined with surgeon experience led to a dramatic fall in the majority of complications. However, we still lack a suitable solution for several complications, such as acromial stress fracture.<\/jats:p>\n                  <jats:p>Cite this article: EFORT Open Rev 2021;6:1097-1108. DOI: 10.1302\/2058-5241.6.210039<\/jats:p>","DOI":"10.1302\/2058-5241.6.210039","type":"journal-article","created":{"date-parts":[[2021,11,19]],"date-time":"2021-11-19T07:40:45Z","timestamp":1637307645000},"page":"1097-1108","update-policy":"https:\/\/doi.org\/10.1530\/crossmarkpolicy-16","source":"Crossref","is-referenced-by-count":28,"title":["Mechanical complications and fractures after reverse shoulder arthroplasty related to different design types and their rates: part I"],"prefix":"10.1530","volume":"6","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6709-2139","authenticated-orcid":false,"given":"Marko","family":"Nabergoj","sequence":"first","affiliation":[{"name":"1Valdoltra Orthopaedic Hospital, Ankaran, Slovenia"},{"name":"2Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Patrick J.","family":"Denard","sequence":"additional","affiliation":[{"name":"3Department of Orthopaedic & Rehabilitation, Oregon Health & Science University, Portland, Oregon, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Philippe","family":"Collin","sequence":"additional","affiliation":[{"name":"4Centre Hospitalier Prive\u0301 Saint-Gre\u0301goire (Vivalto Sante\u0301), Saint-Gre\u0301goire, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rihard","family":"Treb\u0161e","sequence":"additional","affiliation":[{"name":"1Valdoltra Orthopaedic Hospital, Ankaran, Slovenia"},{"name":"2Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2797-8936","authenticated-orcid":false,"given":"Alexandre","family":"L\u00e4dermann","sequence":"additional","affiliation":[{"name":"5Division of Orthopaedics and Trauma Surgery, La Tour Hospital, Meyrin, Switzerland"},{"name":"6Faculty of Medicine, University of Geneva, Geneva, Switzerland"},{"name":"7Division of 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