{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,12,26]],"date-time":"2025-12-26T01:25:50Z","timestamp":1766712350750,"version":"3.40.5"},"reference-count":26,"publisher":"Wiley","issue":"12","license":[{"start":{"date-parts":[[2024,9,10]],"date-time":"2024-09-10T00:00:00Z","timestamp":1725926400000},"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":[[2024,12]]},"abstract":"<jats:sec><jats:title>Objective<\/jats:title><jats:p>Imperfect fitting of the navigation template leads to prolonged surgery time and increased blood loss. These problems have not been effectively addressed in previous research. This study explores the efficacy of a novel 5\u2010point positioning point\u2010contact pedicle navigation template in complex pedicle situations in scoliosis.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>This study employed a retrospective controlled design. From November 2019 to November 2023, 28 patients with scoliosis and complex pedicle were selected and underwent scoliosis correction surgery. A 5\u2010point positioning point\u2010contact pedicle navigation template was used intraoperatively to guide pedicle screw placement. Matched with 56 historical cases as a control group. The analysis included screw placement time, screw placement bleeding volume, fluoroscopy frequency, manual repositioning frequency, screw placement accuracy and grade, screw placement complications, and main curve correction rate. Continuous variables were compared using the independent samples <jats:italic>t<\/jats:italic>\u2010test. Categorical data were analyzed with the chi\u2010square test.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>All 28 patients successfully underwent surgery, with a total of 268 pedicle screws placed. The surgery duration ranged from 220 to 410\u2009min, with an average of (283.16\u2009\u00b1\u200951.26) min. Intraoperative blood loss ranged from 630 to 1900\u2009mL, with an average of (902.17\u2009\u00b1\u2009361.25) mL. Pedicle screw placement time ranged from 60 to 130\u2009min, with an average of (85.24\u2009\u00b1\u200924.65) min. Pedicle screw placement bleeding volume ranged from 40 to 180\u2009mL, with an average of (76.47\u2009\u00b1\u200942.65) mL. Fluoroscopy frequency ranged from 3 to 7 times, with an average of (4.31\u2009\u00b1\u20091.14) times. Manual repositioning frequency ranged from 0 to 2 times, with an average of (0.46\u2009\u00b1\u20090.58) times. Pedicle screw placement grades: Grade I: 237 screws; Grade II: 25 screws; Grade III: 6 screws; Grade IV: 0 screws. There were no screw\u2010related complications. The correction rate ranged from 46% to 68%, with an average of (55.83\u2009\u00b1\u20099.22)%. Compared to the experienced screw group, the differences in screw placement time, screw placement bleeding volume, fluoroscopy procedures, and manual redirections were statistically significant (<jats:italic>p<\/jats:italic>\u2009&lt;\u20090.05).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>The 5\u2010point positioning point\u2010contact pedicle navigation template features a claw\u2010like structure that securely adapts to various deformed vertebral facet joints, avoiding drift phenomena and ensuring accurate screw placement. Its pointed contact structure with the lamina of the spine avoids extensive and complete detachment of posterior structures, reducing blood loss, surgery time, and trauma. Predesigned pedicle screw entry points and directions reduce fluoroscopy frequency and surgery time.<\/jats:p><\/jats:sec>","DOI":"10.1111\/os.14231","type":"journal-article","created":{"date-parts":[[2024,9,10]],"date-time":"2024-09-10T11:33:37Z","timestamp":1725968017000},"page":"2976-2983","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Three\u2010Dimensional Printing Technology Based on Digital Orthopedics: 5\u2010Point Positioning Point\u2010Contact Pedicle Navigation Template in the Case of Scoliosis and Complex Pedicle"],"prefix":"10.1111","volume":"16","author":[{"given":"Qiling","family":"Chen","sequence":"first","affiliation":[{"name":"Department of Spine Surgery Beijing Jishuitan Hospital Guizhou Hospital  Guiyang China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Chunshan","family":"Luo","sequence":"additional","affiliation":[{"name":"Department of Spine Surgery Beijing Jishuitan Hospital Guizhou Hospital  Guiyang China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tingsheng","family":"Lu","sequence":"additional","affiliation":[{"name":"Department of Spine Surgery Beijing Jishuitan Hospital Guizhou Hospital  Guiyang China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shudan","family":"Yao","sequence":"additional","affiliation":[{"name":"Department of Spine Surgery Beijing Jishuitan Hospital Guizhou Hospital  Guiyang China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xingwei","family":"Pu","sequence":"additional","affiliation":[{"name":"Department of Spine Surgery Beijing Jishuitan Hospital Guizhou Hospital  Guiyang China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Minglu","family":"Yang","sequence":"additional","affiliation":[{"name":"Department of Spine Surgery Beijing Jishuitan Hospital Guizhou Hospital  Guiyang China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Lu","family":"Chen","sequence":"additional","affiliation":[{"name":"Department of Spine Surgery Beijing Jishuitan Hospital Guizhou Hospital  Guiyang China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9623-1310","authenticated-orcid":false,"given":"Lihang","family":"Wang","sequence":"additional","affiliation":[{"name":"Department of Spine Surgery Beijing Jishuitan Hospital Guizhou Hospital  Guiyang China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2024,9,10]]},"reference":[{"key":"e_1_2_12_2_1","doi-asserted-by":"publisher","DOI":"10.1227\/01.NEU.0000363853.62897.94"},{"key":"e_1_2_12_3_1","doi-asserted-by":"publisher","DOI":"10.1097\/00007632-199001000-00004"},{"key":"e_1_2_12_4_1","doi-asserted-by":"publisher","DOI":"10.1097\/BSD.0000000000000243"},{"key":"e_1_2_12_5_1","doi-asserted-by":"publisher","DOI":"10.1097\/MD.0000000000003581"},{"issue":"4","key":"e_1_2_12_6_1","doi-asserted-by":"crossref","DOI":"10.1371\/journal.pone.0124291","article-title":"The accuracy of a method for printing three\u2010dimensional spinal models","volume":"10","author":"Aimin W","year":"2015","journal-title":"PLoS One"},{"key":"e_1_2_12_7_1","doi-asserted-by":"publisher","DOI":"10.1097\/BRS.0000000000001807"},{"issue":"3","key":"e_1_2_12_8_1","first-page":"275","article-title":"Research progress on the application of 3D printing 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[J]","volume":"21","author":"Wei W","year":"2017","journal-title":"Chin J Tissue Eng Res"},{"issue":"48","key":"e_1_2_12_12_1","first-page":"7225","article-title":"Selective pedicle screw treatment of adolescent idiopathic scoliosis based on 3D printing technology[J]","volume":"20","author":"Zhang S","year":"2016","journal-title":"J Clin Med"},{"issue":"11","key":"e_1_2_12_13_1","first-page":"1069","article-title":"Meta\u2010analysis of the surgical effects of navigation template\u2010assisted spinal pedicle internal fixation compared with traditional spinal pedicle internal fixation[J]","volume":"31","author":"Wen Z","year":"2018","journal-title":"Chin J Orthop Traumatol"},{"issue":"2","key":"e_1_2_12_14_1","first-page":"156","article-title":"Application study on precise implantation of lumbar pedicle screw assisted by 3D printing navigation module[J]","volume":"35","author":"Yan B","year":"2017","journal-title":"Chin J Clin 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