INTRAVENOUS THROMBOLYTIC THERAPY FOR ACUTE NONARTERITIC CENTRAL RETINAL ARTERY OCCLUSION. A REVIEW
Authors:
K. Janská 1; R. Bodnár 1; P. Janský 2; M. Vosko 3
Authors‘ workplace:
Oční oddělení ON Příbram
1; Neurologická klinika 2. LF UK a FN Motol, Praha
2; Department of Neurology 2, Kepler Universitätsklinikum, Med Campus III, Linz, Austria
3
Published in:
Čes. a slov. Oftal., 78, 2022, No. 3, p. 101-109
Category:
Review Article
doi:
https://doi.org/10.31348/2021/32
Overview
Central retinal artery occlusion (CRAO) is a form of acute ischemic stroke. It is a critical condition that often leads to severe visual loss or blindness and can be a harbinger of further cerebrovascular events. Due to the lack of scientific data, there are no effective evidence-based forms of therapy for this condition. None of the conservative therapies have proven effective. The results of some previously published studies suggest a benefit of intravenous thrombolytic therapy in the same regimen as in the treatment of ischemic stroke.
This work aims to present an overview of published clinical studies focused on the use of intravenous thrombolysis for CRAO, evaluate its efficacy and safety, and propose an optimal diagnostic and therapeutic algorithm for acute management of CRAO.
Summary statistics of patient data from relevant studies indicate that a significant visual acuity improvement was achieved by a total of 45 % of patients receiving alteplase within 4.5 hours of symptoms onset. The occurrence of adverse events in this time window was not significant. Intravenous thrombolytic therapy in CRAO thus appears to be effective and safe. However, we still lack data from adequate prospective randomized controlled trials to confirm this conclusion. To date, two randomized trials are being conducted. The intravenous thrombolysis administration, patient monitoring, etiologic workup, and setting of effective secondary prevention should be ensured at the centre of highly specialized cerebrovascular care. Urgent transport of the CRAO patient to the nearest centre is essential.
Keywords:
Visual acuity – thrombolysis – central retinal artery occlusion – alteplase
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Czech and Slovak Ophthalmology
2022 Issue 3
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