{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,20]],"date-time":"2025-10-20T00:25:21Z","timestamp":1760919921005,"version":"build-2065373602"},"reference-count":33,"publisher":"Wiley","issue":"11","license":[{"start":{"date-parts":[[2023,9,29]],"date-time":"2023-09-29T00:00:00Z","timestamp":1695945600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2023,9,29]],"date-time":"2023-09-29T00:00:00Z","timestamp":1695945600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.springernature.com\/gp\/researchers\/text-and-data-mining"},{"start":{"date-parts":[[2023,9,29]],"date-time":"2023-09-29T00:00:00Z","timestamp":1695945600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.springernature.com\/gp\/researchers\/text-and-data-mining"}],"funder":[{"name":"Gansu Provincial Department of Science and Technology\uff0c Natural Science Foundation Project","award":["22JR11RA051"],"award-info":[{"award-number":["22JR11RA051"]}]},{"DOI":"10.13039\/501100009620","name":"Science and Technology Department of Gansu Province","doi-asserted-by":"publisher","award":["22JR11RA051"],"award-info":[{"award-number":["22JR11RA051"]}],"id":[{"id":"10.13039\/501100009620","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Knee surg. sports traumatol. arthrosc."],"published-print":{"date-parts":[[2023,11]]},"abstract":"Abstract<\/jats:title>Purpose<\/jats:title>To compare the clinical outcomes and retear rates after rotator cuff repair (RCR) between delaminated and non\u2010delaminated tears.<\/jats:p><\/jats:sec>Methods<\/jats:title>This systematic review was conducted according to the preferred reporting items for systematic reviews and meta\u2010analyses guidelines using the PubMed, Cochrane Library, the Web of Science and Embase databases. Only articles on arthroscopic RCR with clinical outcome scores and data on the number of rotator cuff retears and complete healing were included. This study\u2019s relevant data were extracted and statistically analyzed. The methodological index for nonrandomized studies was used to assess the risk of bias in the included studies. After conducting a heterogeneity test and sensitivity analysis to determine whether the samples were heterogeneous, the study also detected publication bias. A sub\u2010group test was used to evaluate the influences of the imaging follow\u2010up period on retear rates.<\/jats:p><\/jats:sec>Results<\/jats:title>Ten eligible articles were identified with 2,061 patients (925\u00a0in the delaminated group and 1,136\u00a0in the non\u2010delaminated group). The meta\u2010analysis demonstrated that delamination was significantly associated with higher retear rates (P<\/jats:italic>\u2009=\u20090.026; odds ratio\u2009=\u20091.873, 95% confidence interval 1.079\u20133.252; I<\/jats:italic>2<\/jats:sup>\u2009=\u200951.6%) with an imaging follow\u2010up period of\u2009>\u20091 year and lower rates of complete healing (P<\/jats:italic>\u2009=\u20090.036; odds ratio\u2009=\u20090.659, 95% confidence interval 0.446\u20130.973; I<\/jats:italic>2<\/jats:sup>\u2009=\u20099.0%) in patients after rotator cuff repair. However, no significant differences were observed between the two groups based on American Shoulder and Elbow Surgeons score, Constant score, visual analog scale score, external rotation, internal rotation, or forward elevation.<\/jats:p><\/jats:sec>Conclusions<\/jats:title>This meta\u2010analysis found that delamination was significantly associated with higher retear rates with imaging follow\u2010up period of\u2009>\u20091 year, and lower rates of complete healing. In addition, the preoperative and postoperative clinical scores and shoulder joint range of motion were similar between patients with delaminated and non\u2010delaminated tears.<\/jats:p><\/jats:sec>Level of evidence<\/jats:title>Level IV.<\/jats:p><\/jats:sec>","DOI":"10.1007\/s00167-023-07568-9","type":"journal-article","created":{"date-parts":[[2023,9,29]],"date-time":"2023-09-29T13:01:51Z","timestamp":1695992511000},"page":"5255-5269","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Delamination of rotator cuff tears impairs healing after repair: a systematic review and meta\u2010analysis"],"prefix":"10.1002","volume":"31","author":[{"given":"Junwen","family":"Liang","sequence":"first","affiliation":[{"name":" Department of Orthopaedics Lanzhou University Second Hospital No. 82 Cuiyingmen, Chengguan District 730000 Lanzhou Gansu People\u2019s Republic of China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Qianrun","family":"Liang","sequence":"additional","affiliation":[{"name":" School of Life Science and Engineering Lanzhou University of Technology 730050 Lanzhou Gansu People\u2019s Republic of China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xihao","family":"Wang","sequence":"additional","affiliation":[{"name":" Department of Orthopaedics Lanzhou University Second Hospital No. 82 Cuiyingmen, Chengguan District 730000 Lanzhou Gansu People\u2019s Republic of China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zhitao","family":"Yang","sequence":"additional","affiliation":[{"name":" Department of Orthopaedics Lanzhou University Second Hospital No. 82 Cuiyingmen, Chengguan District 730000 Lanzhou Gansu People\u2019s Republic of China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tao","family":"Liu","sequence":"additional","affiliation":[{"name":" Department of Orthopaedics Lanzhou University Second Hospital No. 82 Cuiyingmen, Chengguan District 730000 Lanzhou Gansu People\u2019s Republic of China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Borong","family":"Zhang","sequence":"additional","affiliation":[{"name":" Department of Orthopaedics Lanzhou University Second Hospital No. 82 Cuiyingmen, Chengguan District 730000 Lanzhou Gansu People\u2019s Republic of China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xudong","family":"Yang","sequence":"additional","affiliation":[{"name":" Department of Orthopaedics Lanzhou University Second Hospital No. 82 Cuiyingmen, Chengguan District 730000 Lanzhou Gansu People\u2019s Republic of China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sen","family":"Fang","sequence":"additional","affiliation":[{"name":" Department of Orthopaedics Lanzhou University Second Hospital No. 82 Cuiyingmen, Chengguan District 730000 Lanzhou Gansu People\u2019s Republic of China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Cairang","family":"Daoji","sequence":"additional","affiliation":[{"name":" Department of Orthopaedics Lanzhou University Second Hospital No. 82 Cuiyingmen, Chengguan District 730000 Lanzhou Gansu People\u2019s Republic of China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2446-1429","authenticated-orcid":false,"given":"Xiangdong","family":"Yun","sequence":"additional","affiliation":[{"name":" Department of Orthopaedics Lanzhou University Second Hospital No. 82 Cuiyingmen, Chengguan District 730000 Lanzhou Gansu People\u2019s Republic of China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jin","family":"Jiang","sequence":"additional","affiliation":[{"name":" Department of Orthopaedics Lanzhou University Second Hospital No. 82 Cuiyingmen, Chengguan District 730000 Lanzhou Gansu People\u2019s Republic of 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