Abstract
Background: In September 2018, we implemented a prehospital routing protocol for patients with suspected severe stroke and large vessel occlusion using the 3 Item Stroke Scale (3I-SS). Patients who have a 3I-SS score of ≥4 and have a known last normal time of ≤6 hours were transported to the closest Comprehensive Stroke Center (CSC). While the impact on endovascular treatment for ischemic stroke is more established, the effect of this transport policy on patients with intracerebral hemorrhage (ICH) is unknown. Objective/Methods: The objective of the study was to determine if implementation of a regional CSC transport protocol reduced last known well (LKW) to hospital arrival time for patients with ICH.Data was retrospectively reviewed all patients with a primary diagnosis of ICH from Get With The Guidelines® (GWTG) Stroke regional registry between January 2018 to May 2019 (8 month pre and 8 months post-implementation) and consisting of 16 Primary Stroke Centers (PSCs) and 8 CSCs. We analyzed LKW-arrival times to compare median times in the pre- vs. post-implementation periods. Results: There were 501 ICH cases in the pre-implementation period (mean age 66, 43.3% Black, and 52.3% male) and 548 in the post-implementation period (mean age 66, 41.0% Black, and 54.3% male). In the post-implementation period, median LKW to hospital arrival time was 255 minutes vs. 270.5 minutes in the pre-implementation period (P value 0.029). LKW to hospital arrival times for those patients arriving from EMS decreased from a median 112.5 minutes to 81 minutes (P value 0.034). Conclusions: A prehospital direct-to-CSC transport protocol resulted in a substantial decrease in the median LKW to hospital arrival times for ICH patients, driven especially by EMS-arriving patients. Prehospital protocols could increase access to time sensitive life-saving therapies for ICH.
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