{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,6,3]],"date-time":"2025-06-03T23:10:07Z","timestamp":1748992207271,"version":"3.41.0"},"reference-count":30,"publisher":"Georg Thieme Verlag KG","issue":"04","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J Neurol Surg A Cent Eur Neurosurg"],"published-print":{"date-parts":[[2025,7]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>\n               Background\u2003The aim of this study was to evaluate the risk factors contributing to early-onset adjacent level fractures (ALFs) occurring within 1 month following either balloon kyphoplasty (BKP) or SpineJack kyphoplasty (SJ) for the treatment of thoracolumbar vertebral compression fractures (TLVCFs).<\/jats:p><jats:p>\n               Methods\u2003This retrospective analysis enrolled patients with single-level TLVCFs (T11\u2013L2) who underwent either BKP or SJ between July 2013 and June 2019. We recorded the ALF occurrences within 1 month. Age, osteoporosis, severity and shape of TLVCFs, and surgical type were compared between patients with and without early-onset ALFs.<\/jats:p><jats:p>\n               Results\u2003Altogether, 106 TLVCF patients were enrolled, comprising 64 BKP and 42 SJ cases. We observed 19 early-onset ALFs, with 9 and 10 cases in the BKP and SJ, respectively. Patients with early-onset ALFs have significantly more severe TLCVFs (severe vs. mild, 25 vs. 0%, p\u2009=\u20090.055), and wedge-shaped TLVCFs (26.47 vs. 2.63%, p\u2009=\u20090.002), older age (81.05 vs. 73.34 years, p\u2009&lt;\u20090.001), and kyphoplasty performed within 1 month are risk factors for early-onset ALFs (26.92 vs. 9.26%, p\u2009=\u20090.018). Univariable analysis showed that kyphoplasty timing within 1 month (odds ratio [OR]: 0.193; p\u2009=\u20090.008), wedge-shaped TLVCFs (OR: 5.358; p\u2009=\u20090.036), and advanced age (OR: 1.119; p\u2009=\u20090.001) are significant risk factors for early-onset ALFs.<\/jats:p><jats:p>\n               Conclusions\u2003The occurrence rate of early-onset ALFs between BKP or SJ techniques in treating TLVCFs does not differ. Preoperative wedge-shaped TLVCFs, advanced age, and early treatment within 1 month are the risk factors for early-onset ALFs following kyphoplasty for TLVCFs.<\/jats:p>","DOI":"10.1055\/a-2418-7705","type":"journal-article","created":{"date-parts":[[2024,9,19]],"date-time":"2024-09-19T23:03:42Z","timestamp":1726787022000},"page":"335-341","source":"Crossref","is-referenced-by-count":0,"title":["Early-Onset Adjacent Vertebral Fractures after Balloon Kyphoplasty and SpineJack Kyphoplasty for the Management of Single-Level Thoracolumbar Vertebral Compression Fractures"],"prefix":"10.1055","volume":"86","author":[{"given":"Ming-Hsuan","family":"Chung","sequence":"additional","affiliation":[{"name":"Department of Neurological Surgery, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan, Republic of China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yun-Ju","family":"Yang","sequence":"additional","affiliation":[{"name":"Department of Neurological Surgery, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan, Republic of China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yi-Chieh","family":"Wu","sequence":"additional","affiliation":[{"name":"Department of Neurological Surgery, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan, Republic of China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Guann-Juh","family":"Chen","sequence":"additional","affiliation":[{"name":"Department of Neurological Surgery, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan, Republic of China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Da-Tong","family":"Ju","sequence":"additional","affiliation":[{"name":"Department of Neurological Surgery, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan, Republic of China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kuan-Nien","family":"Chou","sequence":"additional","affiliation":[{"name":"Department of Neurological Surgery, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan, Republic of China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"194","published-online":{"date-parts":[[2024,12,6]]},"reference":[{"issue":"05","key":"ref1","doi-asserted-by":"crossref","first-page":"1531","DOI":"10.1007\/s00198-017-3909-3","article-title":"Worldwide prevalence and incidence of osteoporotic vertebral fractures","volume":"28","author":"G Ballane","year":"2017","journal-title":"Osteoporos Int"},{"issue":"01","key":"ref2","first-page":"217","article-title":"New fractures after vertebroplasty: adjacent fractures occur significantly sooner","volume":"27","author":"A T Trout","year":"2006","journal-title":"AJNR Am J 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