{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,12]],"date-time":"2026-05-12T19:41:51Z","timestamp":1778614911118,"version":"3.51.4"},"reference-count":41,"publisher":"SAGE Publications","issue":"1","license":[{"start":{"date-parts":[[2025,6,1]],"date-time":"2025-06-01T00:00:00Z","timestamp":1748736000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"},{"start":{"date-parts":[[2025,6,1]],"date-time":"2025-06-01T00:00:00Z","timestamp":1748736000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"funder":[{"name":"National Key Research and Development Program of China","award":["2022YFC2407206"],"award-info":[{"award-number":["2022YFC2407206"]}]}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Global Spine Journal"],"published-print":{"date-parts":[[2026,1]]},"abstract":"<jats:sec>\n                    <jats:title>Study Design<\/jats:title>\n                    <jats:p>Matched Retrospective Cohort Study.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>To compare efficacy and safety of Halo gravity traction vs Halo pelvic traction in severe rigid spinal deformity.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>We retrospectively reviewed 104 severe rigid spinal deformity patients treated with preoperative Halo traction and posterior correction surgery (2016.1-2022.12). Patients were matched 1:1 by main curve Cobb angle and age into HGT and HPT groups (33 each). Radiographic parameters were assessed before and after traction, preoperatively, and at final follow-up. Surgical planning for osteotomy and fusion segments used pre-traction imaging, compared with actual outcomes. Traction duration, surgical parameters, and complications were recorded.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      HGT patients had 4.5 \u00b1 1.5\u00a0months traction, improving main curve from 138.4\u00b0 to 94.9\u00b0 (23.5%) and kyphosis from 87.9\u00b0 to 73.1\u00b0 (22.6%), with postoperative values of 51.1\u00b0 and 39.7\u00b0. HPT patients had 5.1 \u00b1 1.1 months of traction, improving main curve from 143.2\u00b0 to 69.6\u00b0 (51.3%) and kyphosis from 117.7\u00b0 to 56.8\u00b0 (49.1%), with postoperative values of 56.1\u00b0 and 34.5\u00b0. HPT showed better improvement (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      &lt; 0.05). HPT achieved 50% deformity improvement after 3\u00a0months, vs 5\u00a0months for HGT. By 7\u00a0months, &gt;60% of HPT vs &lt;10% of HGT patients reached this threshold. Planned three-column osteotomy dropped from 90.9% to 51.5% (actual 36.4%) in HGT and 84.8% to 21.2% (actual 9.1%) in HPT. HPT reduced osteotomy grade (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      &lt; 0.05) and fusion segments (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = 0.02) more effectively. Complication rates were similar.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Both HGT and HPT improve preoperative deformity, but HPT is more effective and better in reducing osteotomy grades and fusion segments.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/21925682251348670","type":"journal-article","created":{"date-parts":[[2025,6,1]],"date-time":"2025-06-01T22:14:56Z","timestamp":1748816096000},"page":"473-482","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":3,"title":["Efficacy of Halo Pelvic Traction Versus Halo Gravity Traction in Treating Severe Rigid Spinal Deformities: A Matched Retrospective Study"],"prefix":"10.1177","volume":"16","author":[{"given":"Lijin","family":"Zhou","sequence":"first","affiliation":[{"name":"Beijing Chaoyang Hospital"},{"name":", 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China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yiqi","family":"Zhang","sequence":"additional","affiliation":[{"name":"Beijing Chaoyang Hospital"},{"name":", Capital Medical University of China, Beijing, China"},{"name":"Capital Medical University of China, Beijing, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yunsheng","family":"Wang","sequence":"additional","affiliation":[{"name":"Beijing Chaoyang Hospital"},{"name":", Capital Medical University of China, Beijing, China"},{"name":"Capital Medical University of China, Beijing, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7206-325X","authenticated-orcid":false,"given":"Yong","family":"Hai","sequence":"additional","affiliation":[{"name":"Beijing Chaoyang Hospital"},{"name":", Capital Medical University of China, Beijing, China"},{"name":"Capital Medical University of China, Beijing, China"},{"name":"Capital Medical University of 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