• Teemu Luostarinen, Jyri Virta, Jarno Satopää, Minna Bäcklund, Riku Kivisaari, Miikka Korja, and Rahul Raj.
• Division of Anaesthesiology, Department of Anaesthesiology, Intensive Care and Pain Medicine, Helsinki University Hospital, Topeliuksenkatu 5, PO BOX 266, 00029 HUS, Helsinki, Finland. teemu.luostarinen@hus.fi.
• Acta Neurochir (Wien). 2020 Nov 1; 162 (11): 2715-2724.

BackgroundTo ensure adequate intensive care unit (ICU) capacity for SARS-CoV-2 patients, elective neurosurgery and neurosurgical ICU capacity were reduced. Further, the Finnish government enforced strict restrictions to reduce the spread. Our objective was to assess changes in ICU admissions and prognosis of traumatic brain injury (TBI) and aneurysmal subarachnoid hemorrhage (SAH) during the Covid-19 pandemic.MethodsRetrospective review of all consecutive patients with TBI and aneurysmal SAH admitted to the neurosurgical ICU in Helsinki from January to May of 2019 and the same months of 2020. The pre-pandemic time was defined as weeks 1-11, and the pandemic time was defined as weeks 12-22. The number of admissions and standardized mortality rates (SMRs) were compared to assess the effect of the Covid-19 pandemic on these. Standardized mortality rates were adjusted for case mix.ResultsTwo hundred twenty-four patients were included (TBI n = 123, SAH n = 101). There were no notable differences in case mix between TBI and SAH patients admitted during the Covid-19 pandemic compared with before the pandemic. No notable difference in TBI or SAH ICU admissions during the pandemic was noted in comparison with early 2020 or 2019. SMRs were no higher during the pandemic than before.ConclusionIn the area of Helsinki, Finland, there were no changes in the number of ICU admissions or in prognosis of patients with TBI or SAH during the Covid-19 pandemic.

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