{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,31]],"date-time":"2026-10-31T01:07:42Z","timestamp":1793408862271,"version":"4.5.0"},"reference-count":38,"publisher":"SAGE Publications","issue":"3","license":[{"start":{"date-parts":[[2021,5,11]],"date-time":"2021-05-11T00:00:00Z","timestamp":1620691200000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Global Spine Journal"],"published-print":{"date-parts":[[2023,4]]},"abstract":"<jats:sec>\n                    <jats:title>Study Design:<\/jats:title>\n                    <jats:p>Retrospective case-control study.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Objective:<\/jats:title>\n                    <jats:p>We aimed to evaluate the value of 3-dimensional printing (3DP) spine model in the surgical treatment of severe spinal deformity since the prosperous development of 3DP technology.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods:<\/jats:title>\n                    <jats:p>Severe scoliosis or hyper-kyphosis patients underwent posterior fixation and fusion surgery using the 3DP spine models were reviewed (3DP group). Spinal deformity surgeries operated by free-hand screw implantation during the same period were selected as the control group after propensity score matching (PSM). The correction rate, pedicle screw accuracy, and complications were analyzed. Class A and B screws were defined as accurate according to Gertzbein and Robbins criteria.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>35 patients were enrolled in the 3DP group and 35 matched cases were included in the control group. The perioperative baseline data and deformity correction rate were similar between both groups ( P &gt; .05). However, the operation time and blood loss were significantly less in the 3DP group (296.14 \u00b1 66.18 min vs. 329.43 \u00b1 67.16 min, 711.43 \u00b1 552.28 mL vs. 1322.29 \u00b1 828.23 mL, P &lt; .05). More three-column osteotomies (Grade 3-6) were performed in the 3DP group (30\/35, 85.7% vs. 21\/35, 60.0%. P = .016). The screw placement accuracy was significantly higher in the 3DP group (422\/582, 72.51% vs. 397\/575, 69.04%. P = .024). The screw misplacement related complication rate was significantly higher in the free-hand group (6\/35 vs. 1\/35, P = .046).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions:<\/jats:title>\n                    <jats:p>The study provided solid evidence that 3DP spine models can enhance surgeons\u2019 confidence in performing higher grade osteotomies and improve the safety and efficiency in severe spine deformity correction surgery. 3D printing technology has a good prospect in spinal deformity surgery.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/21925682211008830","type":"journal-article","created":{"date-parts":[[2021,5,11]],"date-time":"2021-05-11T10:13:53Z","timestamp":1620728033000},"page":"787-795","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":24,"title":["The Value of Three-Dimensional Printing Spine Model in Severe Spine Deformity Correction Surgery"],"prefix":"10.1177","volume":"13","author":[{"given":"Aixing","family":"Pan","sequence":"first","affiliation":[{"name":"Department of Orthopedic Surgery, Beijing Chao-Yang Hospital, Capital Medical University, Chaoyang District, Beijing, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5027-8842","authenticated-orcid":false,"given":"Hongtao","family":"Ding","sequence":"additional","affiliation":[{"name":"Department of Orthopedic Surgery, Beijing Chao-Yang Hospital, Capital Medical University, Chaoyang District, Beijing, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7206-325X","authenticated-orcid":false,"given":"Yong","family":"Hai","sequence":"additional","affiliation":[{"name":"Department of Orthopedic Surgery, Beijing Chao-Yang Hospital, Capital Medical University, Chaoyang District, Beijing, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yuzeng","family":"Liu","sequence":"additional","affiliation":[{"name":"Department of Orthopedic Surgery, Beijing Chao-Yang Hospital, Capital Medical University, Chaoyang District, Beijing, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Junrui Jonathan","family":"Hai","sequence":"additional","affiliation":[{"name":"The High School Affiliated to Renmin University of China, Haidian District, Beijing, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Peng","family":"Yin","sequence":"additional","affiliation":[{"name":"Department of Orthopedic Surgery, Beijing Chao-Yang Hospital, Capital Medical University, Chaoyang District, Beijing, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3618-5700","authenticated-orcid":false,"given":"Bo","family":"Han","sequence":"additional","affiliation":[{"name":"Department of Orthopedic Surgery, Beijing Chao-Yang Hospital, Capital Medical University, Chaoyang District, Beijing, China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2021,5,11]]},"reference":[{"key":"bibr1-21925682211008830","doi-asserted-by":"publisher","DOI":"10.1186\/s12938-016-0236-4"},{"key":"bibr2-21925682211008830","doi-asserted-by":"publisher","DOI":"10.1016\/j.jocn.2019.10.005"},{"key":"bibr3-21925682211008830","doi-asserted-by":"publisher","DOI":"10.1136\/bmjopen-2017-016891"},{"key":"bibr4-21925682211008830","doi-asserted-by":"publisher","DOI":"10.1001\/jamanetworkopen.2019.11598"},{"key":"bibr5-21925682211008830","doi-asserted-by":"publisher","DOI":"10.1111\/ans.15549"},{"key":"bibr6-21925682211008830","doi-asserted-by":"publisher","DOI":"10.1227\/01.neu.0000462076.73701.09"},{"key":"bibr7-21925682211008830","doi-asserted-by":"publisher","DOI":"10.1088\/1758-5082\/3\/3\/034113"},{"key":"bibr8-21925682211008830","doi-asserted-by":"publisher","DOI":"10.2106\/JBJS.19.00877"},{"key":"bibr9-21925682211008830","doi-asserted-by":"publisher","DOI":"10.1108\/13552549510732026"},{"key":"bibr10-21925682211008830","doi-asserted-by":"publisher","DOI":"10.1007\/BF03167610"},{"key":"bibr11-21925682211008830","doi-asserted-by":"publisher","DOI":"10.1111\/ans.13533"},{"key":"bibr12-21925682211008830","doi-asserted-by":"publisher","DOI":"10.1371\/journal.pone.0171509"},{"key":"bibr13-21925682211008830","doi-asserted-by":"publisher","DOI":"10.1089\/ten.tea.2011.0543"},{"key":"bibr14-21925682211008830","doi-asserted-by":"publisher","DOI":"10.1007\/s00586-019-06236-2"},{"key":"bibr15-21925682211008830","doi-asserted-by":"publisher","DOI":"10.21037\/jss.2019.12.07"},{"issue":"3","key":"bibr16-21925682211008830","first-page":"192","volume":"36","author":"Li 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