Gordian J. Hubert
Association Between Use of a Flying Intervention Team vs Patient Interhospital Transfer and Time to Endovascular Thrombectomy Among Patients With Acute Ischemic Stroke in Nonurban Germany
Hubert, Gordian J.; Hubert, Nikolai D.; Maegerlein, Christian; Kraus, Frank; Wiestler, Hanni; Müller-Barna, Peter; Gerdsmeier-Petz, Wolfgang; Degenhart, Christoph; Hohenbichler, Katharina; Dietrich, Dennis; Witton-Davies, Thomas; Regler, Angelika; Paternoster, Laura; Leitner, Miriam; Zeman, Florian; Koller, Michael; Linker, Ralf A.; Bath, Philip M.; Audebert, Heinrich J.; Haberl, Roman L.
Authors
Nikolai D. Hubert
Christian Maegerlein
Frank Kraus
Hanni Wiestler
Peter Müller-Barna
Wolfgang Gerdsmeier-Petz
Christoph Degenhart
Katharina Hohenbichler
Dennis Dietrich
Thomas Witton-Davies
Angelika Regler
Laura Paternoster
Miriam Leitner
Florian Zeman
Michael Koller
Ralf A. Linker
PHILIP BATH philip.bath@nottingham.ac.uk
Stroke Association Professor of Stroke Medicine
Heinrich J. Audebert
Roman L. Haberl
Abstract
Importance: The benefit of endovascular thrombectomy (EVT) for acute ischemic stroke is highly time-dependent, and it is challenging to expedite treatment for patients in remote areas. Objective: To determine whether deployment of a flying intervention team, compared with patient interhospital transfer, is associated with a shorter time to endovascular thrombectomy and improved clinical outcomes for patients with acute ischemic stroke. Design, Setting, and Participants: This was a nonrandomized controlled intervention study comparing 2 systems of care in alternating weeks. The study was conducted in a nonurban region in Germany including 13 primary telemedicine-assisted stroke centers within a telestroke network. A total of 157 patients with acute ischemic stroke for whom decision to pursue thrombectomy had been made and deployment of flying intervention team or patient interhospital transfer was initiated were enrolled between February 1, 2018, and October 24, 2019. The date of final follow-up was January 31, 2020. Exposures: Deployment of a flying intervention team for EVT in a primary stroke center vs patient interhospital transfer for EVT to a referral center. Main Outcomes and Measures: The primary outcome was time delay from decision to pursue thrombectomy to start of the procedure in minutes. Secondary outcomes included functional outcome after 3 months, determined by the distribution of the modified Rankin Scale score (a disability score ranging from 0 [no deficit] to 6 [death]). Results: Among the 157 patients included (median [IQR] age, 75 [66-80] y; 80 [51%] women), 72 received flying team care and 85 were transferred. EVT was performed in 60 patients (83%) in the flying team group vs 57 (67%) in the transfer group. Median (IQR) time from decision to pursue EVT to start of the procedure was 58 (51-71) minutes in the flying team group and 148 (124-177) minutes in the transfer group (difference, 90 minutes [95% CI, 75-103]; P < .001). There was no significant difference in modified Rankin Scale score after 3 months between patients in the flying team (n = 59) and transfer (n = 57) groups who received EVT (median [IQR] score, 3 [2-6] vs 3 [2-5]; adjusted common odds ratio for less disability, 1.91 [95% CI, 0.96-3.88]; P = .07). Conclusions and Relevance: In a nonurban stroke network in Germany, deployment of a flying intervention team to local stroke centers, compared with patient interhospital transfer to referral centers, was significantly associated with shorter time to EVT for patients with acute ischemic stroke. The findings may support consideration of a flying intervention team for some stroke systems of care, although further research is needed to confirm long-term clinical outcomes and to understand applicability to other geographic settings.
Citation
Hubert, G. J., Hubert, N. D., Maegerlein, C., Kraus, F., Wiestler, H., Müller-Barna, P., …Haberl, R. L. (2022). Association Between Use of a Flying Intervention Team vs Patient Interhospital Transfer and Time to Endovascular Thrombectomy Among Patients With Acute Ischemic Stroke in Nonurban Germany. Journal of the American Medical Association, 327(18), 1795-1805. https://doi.org/10.1001/jama.2022.5948
Journal Article Type | Article |
---|---|
Acceptance Date | Apr 1, 2022 |
Online Publication Date | May 5, 2022 |
Publication Date | May 10, 2022 |
Deposit Date | May 3, 2022 |
Journal | Journal of the American Medical Association |
Print ISSN | 0098-7484 |
Electronic ISSN | 1538-3598 |
Publisher | American Medical Association |
Peer Reviewed | Peer Reviewed |
Volume | 327 |
Issue | 18 |
Pages | 1795-1805 |
DOI | https://doi.org/10.1001/jama.2022.5948 |
Keywords | General Medicine |
Public URL | https://nottingham-repository.worktribe.com/output/7950047 |
Publisher URL | https://jamanetwork.com/journals/jama/fullarticle/2791843 |
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