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Effects of a Single Bout of High-Intensity Interval Exercise on Cardiovascular Autonomic, Cerebrovascular, and Cognitive Functions in Individuals With Spinal Cord Injury /

Record Type:	Electronic resources : Monograph/item
Title/Author:	Effects of a Single Bout of High-Intensity Interval Exercise on Cardiovascular Autonomic, Cerebrovascular, and Cognitive Functions in Individuals With Spinal Cord Injury /Wenjie Ji.
Author:	Ji, Wenjie,
Description:	1 electronic resource (231 pages)
Notes:	Source: Dissertations Abstracts International, Volume: 87-03, Section: B.
Notes:	Advisors: Sisto, Sue Ann Committee members: Wecht, Jill M.; Chiaravalloti, Nancy D.; Jo, Hang Jin; Stefanovic, Filip; Miecznikowski, Jeffrey.
Contained By:	Dissertations Abstracts International87-03B.
Subject:	Physiology.
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=32173177
ISBN:	9798293833993

Effects of a Single Bout of High-Intensity Interval Exercise on Cardiovascular Autonomic, Cerebrovascular, and Cognitive Functions in Individuals With Spinal Cord Injury /
Ji, Wenjie,

Effects of a Single Bout of High-Intensity Interval Exercise on Cardiovascular Autonomic, Cerebrovascular, and Cognitive Functions in Individuals With Spinal Cord Injury /Wenjie Ji. - 1 electronic resource (231 pages)

Source: Dissertations Abstracts International, Volume: 87-03, Section: B.

This dissertation investigates a non-pharmacological intervention, high-intensity interval exercise (HIIE), as a potential strategy to improve autonomic nervous system-related cardiovascular (ANS-CV) function in people with spinal cord injury (pwSCI) at or above the neurological level of injury (NLI) of T6. This population is particularly vulnerable to ANS-CV impairments, which can present as orthostatic hypotension and autonomic dysreflexia, and significantly hinder rehabilitation and quality of life. Dysfunction in ANS-CV regulation may also lead to impaired cerebral perfusion, potentially contributing to cognitive deficits in this population. While previous research has shown that long-term HIIE improves ANS-CV function in individuals with heart disease, and that acute HIIE enhances cognitive performance in healthy adults, its effects on ANS-CV, cerebrovascular, and cognitive functions in pwSCI remain underexplored.The primary objective of this study was to evaluate the effects of a single bout of HIIE on ANS-CV function in individuals with high-level SCI (NLI at or above T6). Secondary objectives were to assess the acute effects of HIIE on cerebrovascular function and cognitive performance in the same population. A sex- and age-matched non-injured (NI) control group was included for comparison. Physical activity level, baseline sympathetic activity, pre-morbid intelligence, and psychological distress were considered potential confounders.The study showed that a single session of HIIE improved sympathetic-related cardiovascular function in individuals with high-level SCI, while parasympathetic-related cardiovascular, cerebrovascular, and cognitive functions remained unchanged. These findings highlight the need for further investigation of long-term HIIE program, particularly with optimized intensity and interval duration, to inform evidence-based rehabilitation strategies for this population at high risk of autonomic and cognitive dysfunction.

English

ISBN: 9798293833993Subjects--Topical Terms:

192980
Physiology.
Subjects--Index Terms:

Autonomic nervous system

Effects of a Single Bout of High-Intensity Interval Exercise on Cardiovascular Autonomic, Cerebrovascular, and Cognitive Functions in Individuals With Spinal Cord Injury /
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520 $a This dissertation investigates a non-pharmacological intervention, high-intensity interval exercise (HIIE), as a potential strategy to improve autonomic nervous system-related cardiovascular (ANS-CV) function in people with spinal cord injury (pwSCI) at or above the neurological level of injury (NLI) of T6. This population is particularly vulnerable to ANS-CV impairments, which can present as orthostatic hypotension and autonomic dysreflexia, and significantly hinder rehabilitation and quality of life. Dysfunction in ANS-CV regulation may also lead to impaired cerebral perfusion, potentially contributing to cognitive deficits in this population. While previous research has shown that long-term HIIE improves ANS-CV function in individuals with heart disease, and that acute HIIE enhances cognitive performance in healthy adults, its effects on ANS-CV, cerebrovascular, and cognitive functions in pwSCI remain underexplored.The primary objective of this study was to evaluate the effects of a single bout of HIIE on ANS-CV function in individuals with high-level SCI (NLI at or above T6). Secondary objectives were to assess the acute effects of HIIE on cerebrovascular function and cognitive performance in the same population. A sex- and age-matched non-injured (NI) control group was included for comparison. Physical activity level, baseline sympathetic activity, pre-morbid intelligence, and psychological distress were considered potential confounders.The study showed that a single session of HIIE improved sympathetic-related cardiovascular function in individuals with high-level SCI, while parasympathetic-related cardiovascular, cerebrovascular, and cognitive functions remained unchanged. These findings highlight the need for further investigation of long-term HIIE program, particularly with optimized intensity and interval duration, to inform evidence-based rehabilitation strategies for this population at high risk of autonomic and cognitive dysfunction.
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