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CPT codes identified lumbar arthrodesis procedures that included pelvic fixation and \u2265\u20097 levels of posterior instrumentation on the same day. Minimum follow-up was 2 years. Reoperations included subsequent arthrodesis, decompression, osteotomy, device insertion, and pelvic fixation procedures. Multivariable regression analysis described associations between variables and reoperation risk.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Results<\/jats:title>\n            <jats:p>7,062 patients met criteria. Overall reoperation rate was 23.2%. Reoperation rate at 2- and 5-year was 16.9% and 22.1% respectively. 10-year reoperation-free probability was 73.7% (95% CI: 72.4\u201374.9%). Multivariable analysis revealed higher reoperation risk for patients with kyphosis and \u2265\u200913 levels of posterior instrumentation. Patients who received interbody cages had a lower reoperation risk. No association was found between the presence or absence of osteotomy procedures and reoperation risk. Lastly, linear regression analyses revealed no significant relationship between age or ECI and risk for subsequent operations did not independently influence reoperation.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Conclusions<\/jats:title>\n            <jats:p>This study, representing a real-world cohort of over six times the largest current prospective data set, found a 2-year reoperation rate of 17%, similar to previous studies, suggesting study group findings are applicable to a broader population. Preoperative kyphosis and \u2265\u200913 levels of posterior instrumentation was associated with higher reoperation risk, while the use of interbody cages was protective. Age, medical comorbidities, and osteotomies did not predict reoperations.<\/jats:p>\n          <\/jats:sec>","DOI":"10.1007\/s00586-024-08566-2","type":"journal-article","created":{"date-parts":[[2024,12,12]],"date-time":"2024-12-12T16:09:22Z","timestamp":1734019762000},"page":"1034-1041","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Long-term reoperation risk of thoracic to pelvis instrumentation for spinal deformity: a longitudinal study of 7,062 patients"],"prefix":"10.1007","volume":"34","author":[{"given":"Paal K.","family":"Nilssen","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Nakul","family":"Narendran","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"David L.","family":"Skaggs","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Corey T.","family":"Walker","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Christopher M.","family":"Mikhail","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Edward","family":"Nomoto","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8419-3134","authenticated-orcid":false,"given":"Alexander","family":"Tuchman","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2024,12,12]]},"reference":[{"issue":"5","key":"8566_CR1","doi-asserted-by":"publisher","first-page":"776","DOI":"10.31616\/asj.2022.0376","volume":"16","author":"HJ Kim","year":"2022","unstructured":"Kim HJ, Yang JH, Chang DG et al (2022) Adult spinal deformity: a Comprehensive Review of current advances and future directions. 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Therefore, this study was deemed exempt from review by the [blinded for peer review] Institutional Review Board.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Compliance with ethical standards"}},{"value":"None of the authors has any financial or personal conflicts of interest in relation to the submission, other people, or any organizations.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Conflict of interest"}},{"value":"\u2022 Nilssen, Narendran, Mikhail, Nomoto, Tuchman: none.Walker: Alphatec: Consultant, Globus: Speaks bureau.Skaggs: CHLA Foundation: Board or committee member; Grand Rounds: Paid consultant; Green Sun Medical: Stock or stock Options; Growing Spine Foundation: Board or committee member; Growing Spine Study Group: Board or committee member; Journal of Children's Orthopaedics: Editorial or governing board; Medtronic: Other financial or material support; Nuvasive (Co-PI, Paid to Growing Spine Foundation): Research support; Orthobullets: Editorial or governing board; Paid consultant; Stock or stock Options; Orthopedics Today: Editorial or governing board; Spine Deformity: Editorial or governing board; Wolters Kluwer Health: Publishing royalties, financial or material support; ZimmerBiomet: IP royalties; Other financial or material support; Paid consultant; Paid presenter or speaker; Zipline Medical, Inc.: Stock or stock Options","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Disclosures"}}]}}