Associations Between Injury of the Parieto-Insular Vestibular Cortex and Changes in Motor Function According to the Recovery Process: Use of Diffusion Tensor Imaging

Background and Purpose: Parieto-insular vestibular cortex (PIVC) injury can cause symptoms such as abnormal gait and affects the integration and processing of sensory inputs contributing to self-motion perception. Therefore, this study investigated the association of the vestibular pathway in the ga...

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Autores principales:	Seo Yoon Park, Sang Seok Yeo, Sung Ho Jang, In Hee Cho, Seunghue Oh
Formato:	article
Lenguaje:	EN
Publicado:	Frontiers Media S.A. 2021
Materias:	vestibular compensation parieto-insular vestibular cortex (PIVC) diffusion tensor imaging-fiber tractography motor function recovery continuity Neurology. Diseases of the nervous system RC346-429
Acceso en línea:	https://doaj.org/article/b9b7e06f9c25403fb8f3431e6f0c6361
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spelling	oai:doaj.org-article:b9b7e06f9c25403fb8f3431e6f0c63612021-11-08T13:01:03ZAssociations Between Injury of the Parieto-Insular Vestibular Cortex and Changes in Motor Function According to the Recovery Process: Use of Diffusion Tensor Imaging1664-229510.3389/fneur.2021.740711https://doaj.org/article/b9b7e06f9c25403fb8f3431e6f0c63612021-11-01T00:00:00Zhttps://www.frontiersin.org/articles/10.3389/fneur.2021.740711/fullhttps://doaj.org/toc/1664-2295Background and Purpose: Parieto-insular vestibular cortex (PIVC) injury can cause symptoms such as abnormal gait and affects the integration and processing of sensory inputs contributing to self-motion perception. Therefore, this study investigated the association of the vestibular pathway in the gait and motor function recovery process in patients with PIVC injury using diffusion tensor imaging (DTI).Methods: We recruited 28 patients with stroke with only PIVC injury and reconstructed the PIVC using a 1.5-T scanner for DTI. Fractional anisotropy (FA), mean diffusivity (MD), and tract volume were measured. The functional ambulatory category (FAC) test was conducted, and motricity index (MI) score was determined. These were conducted and determined at the start (phase 1), end of rehabilitation (phase 2), and during the follow-up 6 months after onset.Results: Although the tract volume of PIVC showed a decrease in subgroup A, all of DTI parameters were not different between two subgroups in affected side (p > 0.05). The results of MI and FAC were significantly different according to the recovery process (p < 0.05). In addition, FA of the PIVC showed a positive correlation with FAC in phase 2 of the recovery process on the affected side. On the unaffected side, FA of the PIVC showed a significant negative correlation with MI in all processes (p < 0.05).Conclusion: The degree of projection pathways to PIVC injury at onset time seems to be related to early restoration of gait function. Moreover, we believe that early detection of the projection pathway for PIVC injury using DTI would be helpful in the clinical evaluation and prediction of the prognosis of patients with PIVC injury.Seo Yoon ParkSang Seok YeoSung Ho JangIn Hee ChoSeunghue OhFrontiers Media S.A.articlevestibular compensationparieto-insular vestibular cortex (PIVC)diffusion tensor imaging-fiber tractographymotor function recoverycontinuityNeurology. Diseases of the nervous systemRC346-429ENFrontiers in Neurology, Vol 12 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	vestibular compensation parieto-insular vestibular cortex (PIVC) diffusion tensor imaging-fiber tractography motor function recovery continuity Neurology. Diseases of the nervous system RC346-429
spellingShingle	vestibular compensation parieto-insular vestibular cortex (PIVC) diffusion tensor imaging-fiber tractography motor function recovery continuity Neurology. Diseases of the nervous system RC346-429 Seo Yoon Park Sang Seok Yeo Sung Ho Jang In Hee Cho Seunghue Oh Associations Between Injury of the Parieto-Insular Vestibular Cortex and Changes in Motor Function According to the Recovery Process: Use of Diffusion Tensor Imaging
description	Background and Purpose: Parieto-insular vestibular cortex (PIVC) injury can cause symptoms such as abnormal gait and affects the integration and processing of sensory inputs contributing to self-motion perception. Therefore, this study investigated the association of the vestibular pathway in the gait and motor function recovery process in patients with PIVC injury using diffusion tensor imaging (DTI).Methods: We recruited 28 patients with stroke with only PIVC injury and reconstructed the PIVC using a 1.5-T scanner for DTI. Fractional anisotropy (FA), mean diffusivity (MD), and tract volume were measured. The functional ambulatory category (FAC) test was conducted, and motricity index (MI) score was determined. These were conducted and determined at the start (phase 1), end of rehabilitation (phase 2), and during the follow-up 6 months after onset.Results: Although the tract volume of PIVC showed a decrease in subgroup A, all of DTI parameters were not different between two subgroups in affected side (p > 0.05). The results of MI and FAC were significantly different according to the recovery process (p < 0.05). In addition, FA of the PIVC showed a positive correlation with FAC in phase 2 of the recovery process on the affected side. On the unaffected side, FA of the PIVC showed a significant negative correlation with MI in all processes (p < 0.05).Conclusion: The degree of projection pathways to PIVC injury at onset time seems to be related to early restoration of gait function. Moreover, we believe that early detection of the projection pathway for PIVC injury using DTI would be helpful in the clinical evaluation and prediction of the prognosis of patients with PIVC injury.
format	article
author	Seo Yoon Park Sang Seok Yeo Sung Ho Jang In Hee Cho Seunghue Oh
author_facet	Seo Yoon Park Sang Seok Yeo Sung Ho Jang In Hee Cho Seunghue Oh
author_sort	Seo Yoon Park
title	Associations Between Injury of the Parieto-Insular Vestibular Cortex and Changes in Motor Function According to the Recovery Process: Use of Diffusion Tensor Imaging
title_short	Associations Between Injury of the Parieto-Insular Vestibular Cortex and Changes in Motor Function According to the Recovery Process: Use of Diffusion Tensor Imaging
title_full	Associations Between Injury of the Parieto-Insular Vestibular Cortex and Changes in Motor Function According to the Recovery Process: Use of Diffusion Tensor Imaging
title_fullStr	Associations Between Injury of the Parieto-Insular Vestibular Cortex and Changes in Motor Function According to the Recovery Process: Use of Diffusion Tensor Imaging
title_full_unstemmed	Associations Between Injury of the Parieto-Insular Vestibular Cortex and Changes in Motor Function According to the Recovery Process: Use of Diffusion Tensor Imaging
title_sort	associations between injury of the parieto-insular vestibular cortex and changes in motor function according to the recovery process: use of diffusion tensor imaging
publisher	Frontiers Media S.A.
publishDate	2021
url	https://doaj.org/article/b9b7e06f9c25403fb8f3431e6f0c6361
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_version_	1718442274814164992

Associations Between Injury of the Parieto-Insular Vestibular Cortex and Changes in Motor Function According to the Recovery Process: Use of Diffusion Tensor Imaging

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