{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,24]],"date-time":"2026-10-24T18:26:53Z","timestamp":1792866413511,"version":"4.5.0"},"reference-count":31,"publisher":"Korean Shoulder and Elbow Society","issue":"3","license":[{"start":{"date-parts":[[2021,9,1]],"date-time":"2021-09-01T00:00:00Z","timestamp":1630454400000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":["cisejournal.org"],"crossmark-restriction":true},"short-container-title":["Clin Shoulder Elbow"],"published-print":{"date-parts":[[2021,9,1]]},"abstract":"<jats:p>Background: To evaluate clinical and radiological outcomes of bony increased offset-reverse total shoulder arthroplasty (BIO-RSA) in the Asian population at mid-term follow-up.Methods: From June 2012 to August 2017 at a single center, 43 patients underwent BIO-RSA, and 38 patients with a minimum of 2 years of follow-up were enrolled. We evaluated the preoperative and postoperative clinical outcomes, radiological outcomes (notching and loosening), and complications of BIO-RSA at the last follow-up. In addition, we divided these patients into notching and not-notching groups and compared the demographics, preoperative, and postoperative characteristics of patients between the two groups.Results: Visual analog scale, American Shoulder and Elbow Surgeons, University of California-Los Angeles, and Simple Shoulder Test scores improved significantly from preoperative (average: 5, 39.43, 16.22, 3.94) to postoperative (average: 1.71, 78.91, 28.34, 7.8; p&lt;0.05) outcomes. All range of motion except internal rotation improved significantly at the final follow-up (p&lt;0.05), and the bone graft was well-incorporated with the native glenoid in all patients (100%). However, scapular notching was observed in 20\/38 patients (53%). In the comparison between notching and not-notching groups (18 vs. 20 patients), there were no significant differences in demographics, radiological parameters, and clinical outcomes except acromion-greater tuberosity (AT) distance (p=0.003). Intraoperative complications were three metaphyseal fractures and one inferior screw malposition. Postoperative complications included one heterotopic ossification, one scapula neck stress fracture, one humeral stem loosening, and one late infection.Conclusions: BIO-RSA resulted in improved clinical outcomes at mid-term follow-up in the Asian population. Although better cosmesis and advantages of glenoid lateralization were observed, we observed higher rates of scapular notching compared to previously reported rates in BIO-RSA studies. In addition, adequate glenoid lateralization with appropriate humeral lengthening (AT distance) might reduce scapular notching.<\/jats:p>","DOI":"10.5397\/cise.2021.00087","type":"journal-article","created":{"date-parts":[[2021,9,1]],"date-time":"2021-09-01T05:19:55Z","timestamp":1630473595000},"page":"125-134","update-policy":"https:\/\/doi.org\/10.5397\/crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["Mid-term outcomes of bony increased offset-reverse total shoulder arthroplasty in the Asian population"],"prefix":"10.5397","volume":"24","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0734-3316","authenticated-orcid":true,"given":"Kirtan","family":"Tankshali","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3029-2553","authenticated-orcid":true,"given":"Dong-Whan","family":"Suh","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1087-3254","authenticated-orcid":true,"given":"Jong-Hun","family":"Ji","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5880-4747","authenticated-orcid":true,"given":"Chang-Yeon","family":"Kim","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"3351","reference":[{"key":"ref1","doi-asserted-by":"publisher","DOI":"10.1007\/s11999-010-1733-6"},{"key":"ref2","doi-asserted-by":"publisher","DOI":"10.1016\/j.jse.2006.01.003"},{"key":"ref3","doi-asserted-by":"publisher","DOI":"10.1016\/j.jse.2015.02.007"},{"key":"ref4","first-page":"2606","volume-title":"Range of impingement-free abduction and adduction deficit after reverse shoulder arthroplasty: hierarchy of surgical and implant-design-related factors","author":"Guti\u00e9rrez","year":"2008"},{"key":"ref5","doi-asserted-by":"publisher","DOI":"10.5312\/wjo.v7.i11.738"},{"key":"ref6","doi-asserted-by":"publisher","DOI":"10.1002\/jor.23115"},{"key":"ref7","doi-asserted-by":"publisher","DOI":"10.1016\/j.jse.2014.08.017"},{"key":"ref8","doi-asserted-by":"publisher","DOI":"10.1016\/j.jse.2004.09.030"},{"key":"ref9","doi-asserted-by":"publisher","DOI":"10.1007\/s11999-011-1775-4"},{"key":"ref10","doi-asserted-by":"publisher","DOI":"10.1016\/s0883-5403(99)90232-2"},{"key":"ref11","doi-asserted-by":"publisher","DOI":"10.1097\/00003086-199005000-00014"},{"key":"ref12","doi-asserted-by":"publisher","DOI":"10.1016\/j.jse.2004.10.006"},{"key":"ref13","first-page":"388","volume-title":"Grammont inverted total shoulder arthroplasty in the treatment of glenohumeral osteoarthritis with massive rupture of the cuff. 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