Inter-hospital transfer for mechanical thrombectomy within the supraregional stroke network NEVAS
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ORIGINAL COMMUNICATION
Inter‑hospital transfer for mechanical thrombectomy within the supraregional stroke network NEVAS Katharina Feil1,2 · Jan Rémi1 · Clemens Küpper1 · Moriz Herzberg3 · Franziska Dorn3 · Wolfgang G. Kunz4 · Paul Reidler4 · Johannes Levin1,5,6 · Katrin Hüttemann1 · Steffen Tiedt7 · Wanja Heidger1 · Katharina Müller1 · Dennis C. Thunstedt1 · Rainer Dabitz8 · Robert Müller9 · Thomas Pfefferkorn8 · Gerhard F. Hamann9 · Thomas Liebig3 · Marianne Dieterich1,2,6 · Lars Kellert1 Received: 2 June 2020 / Revised: 10 August 2020 / Accepted: 12 August 2020 © The Author(s) 2020
Abstract Background Telemedicine stroke networks are mandatory to provide inter-hospital transfer for mechanical thrombectomy (MT). However, studies on patient selection in daily practice are sparse. Methods Here, we analyzed consecutive patients from 01/2014 to 12/2018 within the supraregional stroke network “Neurovascular Network of Southwest Bavaria” (NEVAS) in terms of diagnoses after consultation, inter-hospital transfer and predictors for performing MT. Degree of disability was rated by the modified Rankin Scale (mRS), good outcome was defined as mRS ≤ 2. Successful reperfusion was assumed when the modified thrombolysis in cerebral infarction (mTICI) was 2b-3. Results Of 5722 telemedicine consultations, in 14.1% inter-hospital transfer was performed, mostly because of large vessel occlusion (LVO) stroke. A total of n = 350 patients with LVO were shipped via NEVAS to our center for MT. While n = 52 recanalized spontaneously, MT-treatment was performed in n = 178 patients. MT-treated patients had more severe strokes according to the median National institute of health stroke scale (NIHSS) (16 vs. 13, p
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