• Maren Ranhoff Hov, Annette Ryen, Katrine Finsnes, Janne Storflor, Thomas Lindner, Jostein Gleditsch, Christian Georg Lund, and on behalf of the NASPP Group.
• The Norwegian Air Ambulance Foundation, Holterveien 24, 1448, Drøbak, Norway. maren.ranhoff.hov@norskluftambulanse.no.
• Scand J Trauma Resus. 2017 Feb 28; 25 (1): 21.

BackgroundSubarachnoid hemorrhage (SAH) is associated with higher mortality in the acute phase than other stroke types. There is a particular risk of early and devastating re-bleeding. Patients therefore need urgent assessment in a neurosurgical department, and the shorter the time from symptom onset to diagnosis the better.Case PresentationThe Norwegian Acute Stroke Pre-hospital Project (NASPP) has developed a Mobile Stroke Unit (MSU) model, which is staffed with anesthesiologists also trained in pre-hospital clinical assessment of acute stroke patients and interpretation of computerized tomography (CT). The MSU was operated on-call from the local dispatch center in a rural area 45-160 km away from a neurosurgical department. Two patients presented with clinical symptoms and signs compatible with SAH. In both cases, the CT examination confirmed the diagnosis of SAH. Both were transported directly from patient location to the regional neurosurgical department, saving at least 2-2.5 h of pre-neurosurgical time.ConclusionThe Norwegian MSU model staffed with anesthesiologists can rapidly establish an exact diagnosis of SAH, which in a rural area significantly reduces time to neurosurgical care.Trial RegistrationStudy data are retrospectively registered in ClinicalTrail.gov. NCT03036020 Unique Protocol ID: NASPP-2 Brief Title: The Norwegian Acute Stroke Prehospital Project Overall Status: Completed Primary Completion Date: January 2016 [Actual] Verification Date: January 2017.

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