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Brain Impairment Brain Impairment Society
Journal of the Australasian Society for the Study of Brain Impairment
RESEARCH ARTICLE (Open Access)

What does cognitive screening reveal about early cognitive performance following endovascular clot retrieval and intravenous thrombolysis in acute ischaemic stroke?

Sam Humphrey https://orcid.org/0000-0002-0404-7047 A B , Kerryn E. Pike https://orcid.org/0000-0002-0474-1215 A C D , Brian Long B E , Henry Ma F G , Robert Bourke B , Danielle Byrne H , Bradley Wright A and Dana Wong https://orcid.org/0000-0001-9619-1929 A *
+ Author Affiliations
- Author Affiliations

A Department of Psychology, Counselling & Therapy, School of Psychology & Public Health, La Trobe University, Melbourne, Victoria, Australia.

B Neuropsychology Unit, Monash Medical Centre, Melbourne, Victoria, Australia.

C John Richards Centre for Rural Ageing Research, La Trobe University, Wodonga, Victoria, Australia.

D School of Applied Psychology, Griffith Centre for Mental Health & Menzies Health Institute Queensland, Gold Coast, Queensland, Australia.

E Neurosciences Unit, North Metropolitan Health Service, Perth, Western Australia, Australia.

F Department of Neurology, Monash Medical Centre, Melbourne, Victoria, Australia.

G Department of Medicine, School of Clinical Sciences, Monash University, Melbourne, Victoria, Australia.

H Department of Occupational Therapy, Monash Medical Centre, Melbourne, Victoria, Australia.

* Correspondence to: d.wong@latrobe.edu.au

Handling Editor: Cynthia Honan

Brain Impairment 25, IB23066 https://doi.org/10.1071/IB23066
Submitted: 30 April 2023  Accepted: 4 December 2023  Published: 25 January 2024

© 2024 The Author(s) (or their employer(s)). Published by CSIRO Publishing on behalf of the Australasian Society for the Study of Brain Impairment. This is an open access article distributed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License (CC BY-NC-ND)

Abstract

Background

Little is known regarding cognitive outcomes following treatment with endovascular clot retrieval (ECR) and intravenous tissue plasminogen activator (t-PA). We aimed to determine if there were any differences on a measure of cognitive screening between patients treated with ECR, t-PA, and those who were managed conservatively.

Methods

The medical records of ischaemic stroke patients admitted to Monash Medical Centre between January 2019 and December 2019 were retrospectively reviewed. Information extracted from medical records included age, sex, National Institutes of Health Stroke Scale at presentation, location of occlusion, treatment type, medical history, and cognitive screening performance measured by the Montreal Cognitive Assessment (MoCA).

Results

Eighty-two patients met the inclusion criteria (mean age = 66.5 ± 13.9; 49 male, 33 female). Patients treated with ECR performed significantly better on the MoCA (n = 36, 24.1 ± 4.3) compared to those who were managed conservatively (n = 26, 20.7 ± 5.5). Performance for patients treated with t-PA (n = 20, 23.9 ± 3.5) fell between the ECR and conservative management groups, but they did not significantly differ from either.

Conclusion

Our retrospective chart review found that ischaemic stroke patients treated with ECR appear to perform better on cognitive screening compared to patients who are managed conservatively. We also found that patients treated with ECR and t-PA appear to have similar cognitive screening performances in the acute stages following ischaemic stroke, although this finding is likely to have been impacted by group differences in stroke characteristics and may reflect the possibility that the ECR group performed better than expected based on their stroke severity.

Keywords: cognition, cognitive screening, endovascular clot retrieval, intravenous thrombolysis, ischaemic stroke, stroke rehabilitation, thrombectomy, tissue plasminogen activator.

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