{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,19]],"date-time":"2026-07-19T03:34:27Z","timestamp":1784432067552,"version":"3.55.0"},"reference-count":31,"publisher":"Wiley","issue":"12","license":[{"start":{"date-parts":[[2023,9,25]],"date-time":"2023-09-25T00:00:00Z","timestamp":1695600000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Orthopaedic Surgery"],"published-print":{"date-parts":[[2023,12]]},"abstract":"<jats:sec><jats:title>Background<\/jats:title><jats:p>Pelvic ring disruption (PRD) is a serious trauma associated with high mortality and disability rates. Poor reduction can lead to complications such as pelvic deformity and delayed fracture healing. Here, we introduce a new technology using mixed reality surgical navigation (MRSN) with an unlocking closed reduction technique (UCRT) frame to assist pelvic fracture reduction and fixation.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Thirty patients with PRD were enrolled in this study. All of the patients underwent preoperative CT scans, with the pelvis and tracker segmented into three\u2010dimensional models. Under MRSN guidance, auxiliary reduction screws were inserted to grasp the pelvic bone. An ideal trajectory for closed reduction was planned, and suitable CS screws were used for stable fixation after good reduction. Operation time, fluoroscopy frequency, and both Matta and Majeed scores were analyzed.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The mean follow\u2010up period was 10.8\u2009months (7.5, 12.25\u2009months) (range 6\u201324\u2009months). The average duration of operation was 212.5\u2009min (187.5, 272.8\u2009min) (range 133\u2013562\u2009min), and the average reduction time was 23.0\u2009min (15.0, 42.5\u2009min) (range 10\u201370). The average fluoroscopy frequency was 34.0 times (31.5, 52.5 times) (range 23\u201368 times). One hundred and fifty screws were successfully inserted on the first attempt. All the fractures healed well with no complications. Excellent reduction quality (Matta score\u2009\u22644\u2009mm) was achieved in 29\/30 cases, and good reduction quality (Matta score between 4 and 10\u2009mm) was achieved in 1\/30 cases. All patients achieved bone healing after an average of 4.0\u2009months (3.5, 5.9\u2009months) (range 3\u20136), as well as good function recovery with an average Majeed score of 91.0 (87.8, 95.0) (range 71\u2013100).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>The MRSN technique described improved reduction accuracy and radiation exposure without considerable extension of operation time.<\/jats:p><\/jats:sec>","DOI":"10.1111\/os.13874","type":"journal-article","created":{"date-parts":[[2023,9,26]],"date-time":"2023-09-26T03:59:15Z","timestamp":1695700755000},"page":"3317-3325","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":10,"title":["A New Technology Using Mixed Reality Surgical Navigation with the Unlocking Closed Reduction Technique Frame to Assist Pelvic Fracture Reduction and Fixation: Technical Note"],"prefix":"10.1111","volume":"15","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-9635-6065","authenticated-orcid":false,"given":"Jiaqi","family":"Li","sequence":"first","affiliation":[{"name":"Chinese PLA General Medical School  Beijing China"},{"name":"Department of Orthopaedic Trauma Fourth medical center of Chinese PLA General hospital  Beijing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lin","family":"Qi","sequence":"additional","affiliation":[{"name":"Chinese PLA General Medical School  Beijing China"},{"name":"Department of Orthopaedic Trauma Fourth medical center of Chinese PLA General hospital  Beijing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ning","family":"Liu","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Trauma Fourth medical center of Chinese PLA General hospital  Beijing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chengla","family":"Yi","sequence":"additional","affiliation":[{"name":"Department of Traumatic Surgery, Tongji Hospital Tongji Medical College, Huazhong University of Science and Technology  Wuhan China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Haoyang","family":"Liu","sequence":"additional","affiliation":[{"name":"AI Sports Engineering Lab, School of Sports Engineering Beijing Sport University  Beijing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4410-6742","authenticated-orcid":false,"given":"Hua","family":"Chen","sequence":"additional","affiliation":[{"name":"Chinese PLA General Medical School  Beijing China"},{"name":"Department of Orthopaedic Trauma Fourth medical center of Chinese PLA General hospital  Beijing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Peifu","family":"Tang","sequence":"additional","affiliation":[{"name":"Chinese PLA General Medical School  Beijing China"},{"name":"Department of Orthopaedic Trauma Fourth medical center of Chinese PLA General hospital  Beijing China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2023,9,25]]},"reference":[{"key":"e_1_2_9_2_1","doi-asserted-by":"publisher","DOI":"10.1097\/BOT.0000000000002210"},{"key":"e_1_2_9_3_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00264-008-0555-6"},{"key":"e_1_2_9_4_1","first-page":"25","article-title":"The unstable pelvic fracture. 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