| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Submitted on March 17, 2008
From the Klinik und Poliklinik für Neurologie (H.J.A.), Charité Universitätsmedizin Berlin, Germany; the Department of Neurology (S.B., J.K., N.P.F.), University of Regensburg, Regensburg, Germany; and the Department of Neurology (R.J., P.P., J.S.), Klinikum Harlaching, Städtisches Klinikum München GmbH, München, Germany. * To whom correspondence should be addressed. E-mail: heinrich.audebert{at}charite.de.
Background and Purpose—Telemedicine is increasingly used to provide acute stroke expertise for hospitals without full-time neurological services. Teleconsulting through mobile laptop computers may offer more flexibility compared with hospital-based services, but concerns about quality and technical reliability remain. Methods—We conducted a controlled trial, allocating hospital-based or mobile teleconsulting in a shift-by-shift sequence and evaluating technical parameters, acceptability, and impact on immediate clinical decisions. Both types of telemedicine workstations were equipped with DICOM (Digital-Imaging-and-Communications-in-Medicine) viewer and videoconference software. The laptop connected by asymmetrical broadband UMTS (Universal-Mobile-Telecommunication-Systems) technology with a one-way spoke-to-hub video transmission, whereas the hospital-based device used landline symmetrical telecommunication, including a 2-way videoconference. Results—One hundred twenty-seven hospital-based and 96 mobile teleconsultations were conducted within 2 months without any technical breakdown. The rates per allocated time were similar with 3.8 and 4.0 per day. No significant differences were found for durations of videoconference (mean: 11±3 versus 10±3 minutes, P=0.07), DICOM download (3±3 versus 4±3 minutes, P=0.19), and total duration of teleconsultations (44±19 versus 45±21 minutes, P=0.98). Technical quality of mobile teleconsultations was rated worse on both sides, but this did not affect the ability to make remote clinical decisions like initiating thrombolysis (17% versus 13% of all, P=0.32). Conclusions—Teleconsultation using a laptop workstation and broadband mobile telecommunication was technically stable and allowed remote clinical decision-making. There remain disadvantages regarding videoconference quality on the hub side and lack of video transmission to the spoke side.
Accepted on April 16, 2008
Is Mobile Teleconsulting Equivalent to Hospital-Based Telestroke Services?
Heinrich J. Audebert MD*;
|
Stroke Home | Subscriptions | Archives | Feedback | Authors | Help | AHA Journals Home | Search Copyright © 2008 American Heart Association, Inc. All rights reserved. Unauthorized use prohibited. |