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BMC Neurology
Published in: BMC Neurology 1/2022

Open Access 01-12-2022 | Magnetic Resonance Imaging | Research

Neuroanatomical regions associated with non-progressive dysarthria post-stroke: a systematic review

Authors: Marwa Summaka, Salem Hannoun, Hayat Harati, Rama Daoud, Hiba Zein, Elias Estephan, Ibrahim Naim, Zeina Nasser

Published in: BMC Neurology | Issue 1/2022

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Abstract

Background

Dysarthria is a common and persisting sequela to stroke. It can have a negative influence on psychological wellbeing, and quality of life. This systematic review aimed to describe and identify the neuroanatomical regions associated with non-progressive dysarthria following stroke.

Methods

A systematic search of PubMed, Ovid Medline, CINAHL, Cochrane, Scopus, and ScienceDirect was conducted to identify all relevant articles published in peer-reviewed journals up to December 2021. Following data extraction, the National Institutes of Health (NIH) quality assessment tools were used to evaluate the methodological quality of the included studies.

Results

Out of 2186 papers found in the literature related to dysarthria post-stroke, 24 met the inclusion criteria. Eligible articles assessed 1150 post-stroke subjects. Out of them, 420 subjects had dysarthria from isolated lesions. Regarding dysarthric subjects with ischemic strokes, 153 sustained supratentorial infarctions, while 267 had infratentorial infarctions. The majority had pontine infarctions (n = 142), followed by infarctions in the corona radiata (n = 104), and the cerebellum (n = 64).

Conclusion

This systematic review is the first step toward establishing a neuroanatomical model of dysarthria throughout the whole brain. Our findings have many implications for clinical practice and provide a framework for implementing guidelines for early detection and management of dysarthria post-stroke.
Appendix
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Metadata
Title
Neuroanatomical regions associated with non-progressive dysarthria post-stroke: a systematic review
Authors
Marwa Summaka
Salem Hannoun
Hayat Harati
Rama Daoud
Hiba Zein
Elias Estephan
Ibrahim Naim
Zeina Nasser
Publication date
01-12-2022
Publisher
BioMed Central
Published in
BMC Neurology / Issue 1/2022
Electronic ISSN: 1471-2377
DOI
https://doi.org/10.1186/s12883-022-02877-x

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