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Objective: The objective was to analyse the associations of intensive care unit (ICU) and high care unit (HCU) organisational structure on in-hospital mortality among patients with sepsis in Japan's acute care hospitals., Design: Multicentre cross-sectional study., Settings: Patients with sepsis aged ≥18 years who received critical care in acute care hospitals throughout Japan between April 2018 and March 2019 were identified using the National Database of Health Insurance Claims and Specific Health Checkups of Japan (NDB)., Interventions: None., Participants: 10 968 patients with sepsis were identified. ICUs were categorised into three groups: type 1 ICUs (fulfilling stringent staffing criteria such as experienced intensivists and high nurse-to-patient ratios), type 2 ICUs (less stringent criteria) and HCUs (least stringent criteria)., Primary Outcome Measure: The study's primary outcome measure was in-hospital mortality. Cox proportional hazards regression analysis was performed to examine the impact of ICU/HCU groups on in-hospital mortality., Results: We analysed 2411 patients (178 hospitals) in the type 1 ICU group, 3653 patients (422 hospitals) in the type 2 ICU group and 4904 patients (521 hospitals) in the HCU group. When compared with the type 1 ICU group, the adjusted HRs for in-hospital mortality were 1.12 (95% CI 1.04 to 1.21) for the type 2 ICU group and 1.17 (95% CI 1.08 to 1.26) for the HCU group., Conclusion: ICUs that fulfil more stringent staffing criteria were associated with lower in-hospital mortality among patients with sepsis than HCUs. Differences in organisational structure may have an association with outcomes in patients with sepsis, and this was observed by the NDB., Competing Interests: Competing interests: None declared., (© Author(s) (or their employer(s)) 2024. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.)

Background: Cerebral vasospasm is a rare postoperative complication of transsphenoidal pituitary adenoma surgery with potentially severe consequences. These vasospasms generally have a delayed presentation at a mean of 8 postoperative days. We report an unusual case of hyperacute onset of cerebral vasospasm that occurred immediately after surgery., Case Description: A 38-year-old man underwent endoscopic transsphenoidal surgery for a nonfunctioning pituitary adenoma. The patient experienced mild subarachnoid hematoma during surgery. Three hours after surgery, he developed rightward conjugate eye deviation and complete paralysis of the left upper and lower extremities. Diagnostic imaging revealed cerebral vasospasm in both middle cerebral arteries, and symptoms improved after intra-arterial administration of fasudil hydrochloride., Conclusion: There is a need for prompt diagnosis and therapeutic intervention when typical symptoms of cerebral vasospasm, such as paralysis, occur at any time during the postoperative course., Competing Interests: There are no conflicts of interest., (Copyright: © 2024 Surgical Neurology International.)