{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,4]],"date-time":"2026-09-04T00:21:43Z","timestamp":1788481303448,"version":"build-2803163510"},"reference-count":18,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2021,4,4]],"date-time":"2021-04-04T00:00:00Z","timestamp":1617494400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100004751","name":"Department of Science and Technology for Social Development","doi-asserted-by":"publisher","award":["AWS17J004"],"award-info":[{"award-number":["AWS17J004"]}],"id":[{"id":"10.13039\/501100004751","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Orthopaedic Surgery"],"published-print":{"date-parts":[[2021,5]]},"abstract":"<jats:sec><jats:title>Objective<\/jats:title><jats:p>To be able to treat irreducible unilateral vertically displaced pelvic ring disruption (UVDPRD) using closed reduction, we introduced a technique named Unlocking Closed Reduction Technique (UCRT) and evaluated its effectiveness with improved pelvic closed reduction system (PCRS).<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>A retrospective study was performed in our department. Between January 2014 and December 2017, 43 patients whose UVDPRD were not successfully reduced using transcondylar traction. Subsequently, they were treated with UCRT using improved PCRS. The study included 19 male and 24 female patients, with a mean age at the time of the operation of 46.2\u2009years. During surgery, operation time and blood loss were recorded. Post\u2010surgical reduction quality was evaluated using Matta scoring criteria and patient lower\u2010extremity functional outcome was evaluated using Majeed functional scoring criteria.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>When used with improved PCRS, UCRT achieved pelvic reduction in all 43 cases of irreducible UVDPRD with postoperative pelvic reduction quality rated excellent and good for 42\/43 (97.6%) patients according to the Matta scoring criteria (Matta Score\u2009&lt;\u200910\u2009mm). While no post\u2010surgical complications emerged as the direct result of UCRT in this cohort of patients, 8\/37 patients who were treated with subcutaneous supra\u2010acetabular pedicle screw internal fixation (INFIX) for anterior ring fixation developed lateral femoral cutaneous nerve injury but recovered 6\u2009months postoperatively. No revision surgery was performed on any of the recruited patients. All patients' lower\u2010extremity functionality was rated excellent with an average Majeed function score of 94.3 during the last follow\u2010up at an average of 41.6\u2009months postoperatively.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>With excellent surgical and functional outcomes in patients with irreducible UVDPRD, improved PCRS\u2010assisted UCRT proved to be a safe and effective method for the treatment of irreducible UVDPRD.<\/jats:p><\/jats:sec>","DOI":"10.1111\/os.12958","type":"journal-article","created":{"date-parts":[[2021,4,5]],"date-time":"2021-04-05T06:32:45Z","timestamp":1617604365000},"page":"942-948","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":24,"title":["Achieve Closed Reduction of Irreducible, Unilateral Vertically Displaced Pelvic Ring Disruption with an Unlocking Closed Reduction Technique"],"prefix":"10.1111","volume":"13","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-4410-6742","authenticated-orcid":false,"given":"Hua","family":"Chen","sequence":"first","affiliation":[{"name":"The Department of Orthopaedic Trauma Chinese PLA General Hospital (301 Hospital)  Beijing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qun","family":"Zhang","sequence":"additional","affiliation":[{"name":"The Department of Orthopaedic Trauma Chinese PLA General Hospital (301 Hospital)  Beijing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yan","family":"Wu","sequence":"additional","affiliation":[{"name":"The Department of Orthopaedic Trauma Chinese PLA General Hospital (301 Hospital)  Beijing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zuhao","family":"Chang","sequence":"additional","affiliation":[{"name":"The Department of Orthopaedic Trauma Chinese PLA General Hospital (301 Hospital)  Beijing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3041-4314","authenticated-orcid":false,"given":"Zhengguo","family":"Zhu","sequence":"additional","affiliation":[{"name":"The Department of Orthopaedic Trauma Chinese PLA General Hospital (301 Hospital)  Beijing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wei","family":"Zhang","sequence":"additional","affiliation":[{"name":"The Department of Orthopaedic Trauma Chinese PLA General Hospital (301 Hospital)  Beijing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Peifu","family":"Tang","sequence":"additional","affiliation":[{"name":"The Department of Orthopaedic Trauma Chinese PLA General Hospital (301 Hospital)  Beijing 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