Stroke-Associated Cortical Deafness: A Systematic Review of Clinical and Radiological Characteristics

Background: Stroke is the leading cause of cortical deafness (CD), the most severe form of central hearing impairment. CD remains poorly characterized and perhaps underdiagnosed. We perform a systematic review to describe the clinical and radiological features of stroke-associated CD. Methods: PubMe...

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Autores principales:	Gracinda Silva, Rita Gonçalves, Isabel Taveira, Maria Mouzinho, Rui Osório, Hipólito Nzwalo
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	cortical deafness stroke auditory agnosia Neurosciences. Biological psychiatry. Neuropsychiatry RC321-571
Acceso en línea:	https://doaj.org/article/ef9c9ae4fd7b47a59ef5813b42c4edc5
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spelling	oai:doaj.org-article:ef9c9ae4fd7b47a59ef5813b42c4edc52021-11-25T16:56:14ZStroke-Associated Cortical Deafness: A Systematic Review of Clinical and Radiological Characteristics10.3390/brainsci111113832076-3425https://doaj.org/article/ef9c9ae4fd7b47a59ef5813b42c4edc52021-10-01T00:00:00Zhttps://www.mdpi.com/2076-3425/11/11/1383https://doaj.org/toc/2076-3425Background: Stroke is the leading cause of cortical deafness (CD), the most severe form of central hearing impairment. CD remains poorly characterized and perhaps underdiagnosed. We perform a systematic review to describe the clinical and radiological features of stroke-associated CD. Methods: PubMed and the Web of Science databases were used to identify relevant publications up to 30 June 2021 using the MeSH terms: “deafness” and “stroke”, or “hearing loss” and “stroke” or “auditory agnosia” and “stroke”. Results: We found 46 cases, caused by bilateral lesions within the central auditory pathway, mostly located within or surrounding the superior temporal lobe gyri and/or the Heschl’s gyri (30/81%). In five (13.51%) patients, CD was caused by the subcortical hemispheric and in two (0.05%) in brainstem lesions. Sensorineural hearing loss was universal. Occasionally, a misdiagnosis by peripheral or psychiatric disorders occurred. A few (20%) had clinical improvement, with a regained oral conversation or evolution to pure word deafness (36.6%). A persistent inability of oral communication occurred in 43.3%. A full recovery of conversation was restricted to patients with subcortical lesions. Conclusions: Stroke-associated CD is rare, severe and results from combinations of cortical and subcortical lesions within the central auditory pathway. The recovery of functional hearing occurs, essentially, when caused by subcortical lesions.Gracinda SilvaRita GonçalvesIsabel TaveiraMaria MouzinhoRui OsórioHipólito NzwaloMDPI AGarticlecortical deafnessstrokeauditory agnosiaNeurosciences. Biological psychiatry. NeuropsychiatryRC321-571ENBrain Sciences, Vol 11, Iss 1383, p 1383 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	cortical deafness stroke auditory agnosia Neurosciences. Biological psychiatry. Neuropsychiatry RC321-571
spellingShingle	cortical deafness stroke auditory agnosia Neurosciences. Biological psychiatry. Neuropsychiatry RC321-571 Gracinda Silva Rita Gonçalves Isabel Taveira Maria Mouzinho Rui Osório Hipólito Nzwalo Stroke-Associated Cortical Deafness: A Systematic Review of Clinical and Radiological Characteristics
description	Background: Stroke is the leading cause of cortical deafness (CD), the most severe form of central hearing impairment. CD remains poorly characterized and perhaps underdiagnosed. We perform a systematic review to describe the clinical and radiological features of stroke-associated CD. Methods: PubMed and the Web of Science databases were used to identify relevant publications up to 30 June 2021 using the MeSH terms: “deafness” and “stroke”, or “hearing loss” and “stroke” or “auditory agnosia” and “stroke”. Results: We found 46 cases, caused by bilateral lesions within the central auditory pathway, mostly located within or surrounding the superior temporal lobe gyri and/or the Heschl’s gyri (30/81%). In five (13.51%) patients, CD was caused by the subcortical hemispheric and in two (0.05%) in brainstem lesions. Sensorineural hearing loss was universal. Occasionally, a misdiagnosis by peripheral or psychiatric disorders occurred. A few (20%) had clinical improvement, with a regained oral conversation or evolution to pure word deafness (36.6%). A persistent inability of oral communication occurred in 43.3%. A full recovery of conversation was restricted to patients with subcortical lesions. Conclusions: Stroke-associated CD is rare, severe and results from combinations of cortical and subcortical lesions within the central auditory pathway. The recovery of functional hearing occurs, essentially, when caused by subcortical lesions.
format	article
author	Gracinda Silva Rita Gonçalves Isabel Taveira Maria Mouzinho Rui Osório Hipólito Nzwalo
author_facet	Gracinda Silva Rita Gonçalves Isabel Taveira Maria Mouzinho Rui Osório Hipólito Nzwalo
author_sort	Gracinda Silva
title	Stroke-Associated Cortical Deafness: A Systematic Review of Clinical and Radiological Characteristics
title_short	Stroke-Associated Cortical Deafness: A Systematic Review of Clinical and Radiological Characteristics
title_full	Stroke-Associated Cortical Deafness: A Systematic Review of Clinical and Radiological Characteristics
title_fullStr	Stroke-Associated Cortical Deafness: A Systematic Review of Clinical and Radiological Characteristics
title_full_unstemmed	Stroke-Associated Cortical Deafness: A Systematic Review of Clinical and Radiological Characteristics
title_sort	stroke-associated cortical deafness: a systematic review of clinical and radiological characteristics
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/ef9c9ae4fd7b47a59ef5813b42c4edc5
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Stroke-Associated Cortical Deafness: A Systematic Review of Clinical and Radiological Characteristics

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