Abstract
Introduction: our primary objective was to analyze the efficacy of a Telestroke system in terms of an increase in the number of patients treated with intravenous thrombolysis (IVT) and a shorter door-to-needle time, in the metropolitan area of Madrid, Spain. Our secondary objective was to analyze the safety of Telestroke in terms of mortality and symptomatic hemorrhagic transformation (SHT). Methods: prospective observational cohort study: 1) cohort exposed to Telestroke: acute ischemic stroke patients attended at Infanta Sofia University Hospital (community hospital) connected by Telestroke with the Stroke Center at La Paz University Hospital; 2) Non-exposed cohort: acute stroke patients who are attended at Severo Ochoa University Hospital (community hospital) connected by phone with the Stroke Center at Ramon y Cajal University Hospital. The number of patient attended, number of IVT, times (min), 3-months outcome (mRS), the number of unnecessary transfers and safety parameters (mortality and SHT by ECAS III criteria) were recorded. We analyzed the first 34 months of the Telestroke (March 2011-december 2013). Results: in the Telestroke cohort the system was activated in 59 patients, being stroke code in 42 cases. In the non-exposed cohort 45 phone calls were made, being stroke code in 42 cases. In the Telestroke cohort, IVT were administrated in 61.9% (26/42) of patients whereas in the non-exposed only 28.6% (12/42) received this treatment (P=0,002). The door-to-needle time was shorter in Telestroke cohort than in the non-exposed cohort (mean [SD]) (86.9 [41.7] vs. 149.7 [68.2], P=0.001). The 3-month outcomes were better in the Telestroke cohort (mRS 0-3: 92.9% vs. 73.8%, P=0.038). Mortality (4,8% vs. 4.8%) and SHT (0% vs. 4.8%) were similar in both groups (P = NS). In addition, there were fewer unnecessary secondary transfers in the Telestroke cohort (4.3% vs. 20%, P=0.027). Conclusion: the implementation of a Telestroke system in a metropolitan area is effective and safe, increasing the number of IV thrombolysis and reducing the door-to-needle times. Furthermore, the Telestroke reduces the number of unnecessary secondary transfers.
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