• Teruyoshi Kageji, Shinji Nagahiro, Yoshifumi Mizobuchi, and Kohei Nakajima.
• Department of Neurosurgery, Tokush-ima Kaifu Prefectural Hospital, Tokushima, Japan.
• Oper Neurosurg (Hagerstown). 2017 Jun 1; 13 (3): 392-397.

BackgroundThe reported 30-day mortality rate after brain tumor surgery is 2.2% to 2.9%, with a postoperative hematoma (POH) as the most frequent cause of death.ObjectiveTo investigate the risk factors for a POH requiring a recraniotomy after brain tumor surgery in a large, contemporary, single-institution consecutive series.MethodsWe included 1149 patients who underwent surgery for intracranial tumors at the Tokushima University Hospital from 1997 to 2014. The patient charts were retrospectively studied from our prospectively collected database. We analyzed the risk factors, type of hemorrhage, time to reoperation, and outcomes.ResultsThe incidence of a POH requiring a recraniotomy was 2.09%. Among the patients with a POH requiring a recraniotomy, 12.5% died within 30 days of the first surgery. The incidence of a POH requiring a recraniotomy significantly correlated with the incidence of a hemangioblastoma, infratentorial tumors, and a prolonged operative time (>10 h), but not with the patient age or sex, surgical procedure (biopsy or craniotomy), surgical type (primary or secondary), bleeding volume, or intraoperative blood transfusion requirement. A recraniotomy for a POH was performed in 54% of the patients just after the first operation, and within 24 h for 79% of the patients. The clinical status at the time of discharge deteriorated in 52% of the patients.ConclusionHemangioblastomas, infratentorial tumors, and an operative time exceeding 10 h were significantly correlated with an increased risk of a POH; these factors were responsible for 12.5% of the 30-day surgical mortality rate.Copyright © 2017 by the Congress of Neurological Surgeons

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