{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,26]],"date-time":"2026-05-26T18:04:35Z","timestamp":1779818675729,"version":"3.53.1"},"reference-count":47,"publisher":"Public Library of Science (PLoS)","issue":"5","license":[{"start":{"date-parts":[[2026,5,26]],"date-time":"2026-05-26T00:00:00Z","timestamp":1779753600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100003718","name":"Korea Institute of Oriental Medicine","doi-asserted-by":"publisher","award":["KSN2122211"],"award-info":[{"award-number":["KSN2122211"]}],"id":[{"id":"10.13039\/501100003718","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["www.plosone.org"],"crossmark-restriction":false},"short-container-title":["PLoS One"],"abstract":"<jats:sec id=\"sec001\">\n                    <jats:title>Introduction<\/jats:title>\n                    <jats:p>With the growing interest in rotator cuff repair (RCR), substantial evidence on factors associated with reoperation is crucial for decision-making. This retrospective longitudinal cohort study aimed to investigate the rate of rotator cuff reoperation after repair in Korea and identify factors associated with reoperation while considering the medical services implemented in Korea using the Korean National Health Insurance Database from 2011 to 2021.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"sec002\">\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Reoperation rates in patients who underwent RCR during a 3.5-year follow-up period were analyzed using Kaplan\u2013Meier analysis. Pre-, intra-, and post-operative factors were analyzed using Cox proportional hazards regression model analyses.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"sec003\">\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>This study included 221,361 patients, among whom 15,089 (6.82%) underwent rotator cuff reoperation during the follow-up period, reflecting mid- to long-term reoperation (6 months to 3.5 years after surgery), rather than overall surgical failure. Sex, age, health insurance type, healthcare institution type, comorbidities, primary RCR type, arthroscopy use, primary diagnosis of primary RCR, and time to the first outpatient visit for Korean medicine healthcare or conventional medical healthcare were associated with rotator cuff reoperation.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"sec004\">\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Our results may help perioperative decision-making and postoperative management strategies related to reoperation risk, while considering patient characteristics, and may support counselling regarding the timing of postoperative care.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1371\/journal.pone.0350201","type":"journal-article","created":{"date-parts":[[2026,5,26]],"date-time":"2026-05-26T17:31:47Z","timestamp":1779816707000},"page":"e0350201","update-policy":"https:\/\/doi.org\/10.1371\/journal.pone.corrections_policy","source":"Crossref","is-referenced-by-count":0,"title":["Incidence and factors associated with reoperation after rotator cuff repair in Korea: A nationwide cohort study"],"prefix":"10.1371","volume":"21","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-9823-0618","authenticated-orcid":true,"given":"Yee Ran","family":"Lyu","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Eunkyoung","family":"Ahn","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Doori","family":"Kim","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1277-3329","authenticated-orcid":true,"given":"Changsop","family":"Yang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mi Hong","family":"Yim","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"340","published-online":{"date-parts":[[2026,5,26]]},"reference":[{"issue":"3","key":"pone.0350201.ref001","doi-asserted-by":"crossref","first-page":"223","DOI":"10.1054\/cuor.2002.0257","article-title":"Rotator cuff disease","volume":"16","author":"T Bunker","year":"2002","journal-title":"Current Orthopaedics"},{"issue":"1","key":"pone.0350201.ref002","doi-asserted-by":"crossref","first-page":"116","DOI":"10.1016\/j.jse.2009.04.006","article-title":"Prevalence and risk factors of a rotator cuff tear in the general population","volume":"19","author":"A Yamamoto","year":"2010","journal-title":"J Shoulder Elbow Surg"},{"issue":"7","key":"pone.0350201.ref003","doi-asserted-by":"crossref","first-page":"1199","DOI":"10.1080\/03007995.2021.1918074","article-title":"Direct and indirect economic burden associated with rotator cuff tears and repairs in the US","volume":"37","author":"N Parikh","year":"2021","journal-title":"Curr Med Res Opin"},{"issue":"5","key":"pone.0350201.ref004","doi-asserted-by":"crossref","DOI":"10.5435\/JAAOS-D-19-00463","article-title":"Management of rotator cuff injuries","volume":"28","author":"S Weber","year":"2020","journal-title":"J Am Acad Orthop Surg"},{"issue":"2","key":"pone.0350201.ref005","doi-asserted-by":"crossref","first-page":"133","DOI":"10.1007\/s11420-018-9628-2","article-title":"Trends Associated with Open Versus Arthroscopic Rotator Cuff Repair","volume":"15","author":"MA Day","year":"2019","journal-title":"HSS J"},{"issue":"5","key":"pone.0350201.ref006","doi-asserted-by":"crossref","first-page":"953","DOI":"10.2106\/JBJS.F.00512","article-title":"Repair integrity and functional outcome after arthroscopic double-row rotator cuff repair. 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