ArticleInterventional neuroradiology : journal of peritherapeutic neuroradiology, surgical procedures and related neurosciences2022
Influence of recent direct-to-EVT trials on practical decision-making for the treatment of acute ischemic stroke patients.
Article in Interventional neuroradiology : journal of peritherapeutic neuroradiology, surgical procedures and related neurosciences, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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9 authors at 6 institutions in 5 countries.
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Abstract
backgroundCurrent guidelines recommend that eligible acute ischemic stroke (AIS) patients receive intravenous alteplase (IVT) prior to endovascular treatment (EVT). Six randomized controlled trials recently sought to determine the risks of administering IVT prior to EVT, five of which have been published/presented. It is unclear whether and how the results of these trials will change guidelines. With the DEBATE survey, we assessed the influence of the recent trials on physicians' IVT treatment strategies in the setting of EVT for large vessel occlusion (LVO) stroke.
methodsParticipants were provided with 15 direct-to-mothership case-scenarios of LVO stroke patients and asked whether they would treat with IVT + EVT or EVT alone, a) before publication/presentation of the direct-to-EVT trials, and b) now (knowing the trial results). Logistic regression clustered by respondent was performed to assess factors influencing the decision to adopt an EVT-alone paradigm after publication/presentation of the trial results.
results289 participants from 37 countries provided 4335 responses, of which 13.5% (584/4335) changed from an IVT + EVT strategy to EVT alone after knowing the trial results. Very few switched from EVT alone to IVT + EVT (8/4335, 0.18%). Scenarios involving a long thrombus (RR 1.88, 95%CI:1.56-2.26), cerebral micro-hemorrhages (RR 1.78, 95%CI:1.43-2.23), and an expected short time to recanalization (RR 1.46 95%CI:1.19-1.78) had the highest chance of participants switching to an EVT-only strategy.
conclusionIn light of the recent direct-to-EVT trials, a sizeable proportion of stroke physicians appears to be rethinking IVT treatment strategies of EVT-eligible mothership patients with AIS due to LVO in specific situations.
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