{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,9]],"date-time":"2026-03-09T00:26:07Z","timestamp":1773015967026,"version":"3.50.1"},"reference-count":24,"publisher":"Journal of Neurosurgery Publishing Group (JNSPG)","issue":"1","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2023,7,1]]},"abstract":"<jats:sec>\n<jats:title>OBJECTIVE<\/jats:title>\n<jats:p>The authors aimed to determine the poor prognostic factors of balloon kyphoplasty for the treatment of fractures of the most distal or distal-adjacent vertebrae in ankylosing spines with diffuse idiopathic skeletal hyperostosis (DISH).<\/jats:p>\n<\/jats:sec>\n<jats:sec>\n<jats:title>METHODS<\/jats:title>\n<jats:p>Eighty-nine patients with fractures of the most distal or distal-adjacent vertebrae of ankylosing spines with DISH were included and divided into two groups: those with (n = 51) and without (n = 38) bone healing 6 months postoperatively. Clinical evaluation included age, sex, time from onset to surgery, the visual analog scale score for low-back pain, and the Oswestry Disability Index (ODI). The VAS scores and ODI were measured both preoperatively and at 6 months postoperatively. Radiological evaluations included bone density; wedge angles of the fractured vertebrae in the supine and sitting positions on lateral radiographs; differences in the wedge angles (change in wedge angle); and the amount of polymethylmethacrylate used.<\/jats:p>\n<\/jats:sec>\n<jats:sec>\n<jats:title>RESULTS<\/jats:title>\n<jats:p>The preoperative ODI, vertebral wedge angles in the supine and sitting positions, change in wedge angle, and amount of polymethylmethacrylate were significantly different between the two groups and were significantly associated with delayed bone healing in univariate logistic regression analysis. Multivariate logistic regression analysis showed that only a change in the wedge angle was significantly associated with delayed healing, with a cutoff value of 10\u00b0, sensitivity of 84.2%, and specificity of 82.4%.<\/jats:p>\n<\/jats:sec>\n<jats:sec>\n<jats:title>CONCLUSIONS<\/jats:title>\n<jats:p>Treatment with balloon kyphoplasty alone should be avoided in patients with a difference \u2265 10\u00b0 in the wedge angle of the fractured vertebrae between the supine and sitting positions.<\/jats:p>\n<\/jats:sec>","DOI":"10.3171\/2023.2.spine2392","type":"journal-article","created":{"date-parts":[[2023,3,31]],"date-time":"2023-03-31T19:10:26Z","timestamp":1680289826000},"page":"75-81","source":"Crossref","is-referenced-by-count":5,"title":["Prognostic factors of balloon kyphoplasty for osteoporotic vertebral fractures with diffuse idiopathic skeletal hyperostosis"],"prefix":"10.3171","volume":"39","author":[{"given":"Yuji","family":"Tsuchikawa","sequence":"first","affiliation":[{"name":"Department of Orthopaedic Surgery, JA Hiroshima General Hospital, Hatsukaichi, Japan; and"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Naosuke","family":"Kamei","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kiyotaka","family":"Yamada","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, JA Hiroshima General Hospital, Hatsukaichi, Japan; and"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Toshio","family":"Nakamae","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Nobuo","family":"Adachi","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yoshinori","family":"Fujimoto","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, JA Hiroshima General Hospital, Hatsukaichi, Japan; and"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1754","reference":[{"issue":"1","key":"b1","series-title":"BMC Musculoskelet Disord","first-page":"651","article-title":"Direct costs of common osteoporotic fractures (hip, vertebral and forearm) in Iran","volume":"22","author":"Rajabi M","year":"2021","unstructured":"Rajabi M, Ostovar A, Sari AA,  Direct costs of common osteoporotic fractures (hip, vertebral and forearm) in Iran. 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