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Perfusion-based decision making for mechanical thrombectomy in a Transient Ischemic Attack patient with middle cerebral artery occlusion

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Nguyen, TH, Pham, BN, Phan, HT ORCID: 0000-0003-0506-2924, Nguyen, TQ and Phan, BV 2020 , 'Perfusion-based decision making for mechanical thrombectomy in a Transient Ischemic Attack patient with middle cerebral artery occlusion' , Case Reports in Neurology, vol. 12, Su , 41–48 , doi: 10.1159/000507753.

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Abstract

A significant proportion of patients with large-vessel occlusion (LVO) initially present to thehospital with transient ischemic attack (TIA) and mild clinical manifestations such as low National Institutes of Health Stroke Scale (NIHSS) scores (≤5). However, due to the natural courseof the disease, the individuals may subsequently develop worsening symptoms. To date, thereis lack of evidence-based guidelines on mechanical thrombectomy (MT) among those patients.Therefore, the predicting factors associated with better or worse outcomes for acute strokepatients receiving MT compared to those not receiving the treatment are unknown. We describe a TIA case with LVO who was treated with MT; we used perfusion imaging as a decisionaid. A 55-year-old male patient with a past medical history of TIA, hypertension, and hyperlipidemia was admitted to our hospital for evaluation of transient mild right hemiparesis anddysarthria lasting for 5 min 3 h before admission. He reported that he had experienced the same condition 1 day before. On admission, neurological examination showed normal functionwith an NIHSS score of 0. Computed tomography angiography revealed left proximal M1 occlusion. In addition, perfusion magnetic resonance imaging maps calculated by the RAPID software showed acute small lesions on the left hemisphere with core volume (0 mL) and a largeischemic penumbra (70 mL). Immediate endovascular thrombectomy was performed 5 h following symptom onset with complete recanalization and clinical recovery. The case suggeststhat MT in LVO patients with low NIHSS scores, even a score of 0, on presentation is potentiallya safe and effective treatment. The use of perfusion imaging in the acute phase of strokeshould be encouraged for the decision-making process.

Item Type: Article
Authors/Creators:Nguyen, TH and Pham, BN and Phan, HT and Nguyen, TQ and Phan, BV
Keywords: thrombectomy, endovascular treatment, recurrent stroke, acute ischemic stroke, mechanical thrombectomy, transient ischemic attack, minor stroke, large-vessel occlusion
Journal or Publication Title: Case Reports in Neurology
Publisher: S. Karger AG
ISSN: 1662-680X
DOI / ID Number: 10.1159/000507753
Copyright Information:

© 2020 The Author(s). This article is licensed under the Creative Commons Attribution-NonCommercial 4.0 International License (CC BY-NC) https://creativecommons.org/licenses/by-nc/4.0/

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