Functional Connectivity Changes in the Insular Subregions of Patients with Obstructive Sleep Apnea after 6 Months of Continuous Positive Airway Pressure Treatment.
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引用次数: 0
Abstract
This study was aimed at investigating the functional connectivity (FC) changes between the insular subregions and whole brain in patients with obstructive sleep apnea (OSA) after 6 months of continuous positive airway pressure (CPAP) treatment and at exploring the relationship between resting-state FC changes and cognitive impairment in OSA patients. Data from 15 patients with OSA before and after 6 months of CPAP treatment were included in this study. The FC between the insular subregions and whole brain was compared between baseline and after 6 months of CPAP treatment in OSA. After 6 months of treatment, OSA patients had increased FC from the right ventral anterior insula to the bilateral superior frontal gyrus and bilateral middle frontal gyrus and increased FC from the left posterior insula to the left middle temporal gyrus and left inferior temporal gyrus. Hyperconnectivity was found from the right posterior insula to the right middle temporal gyrus, bilateral precuneus, and bilateral posterior cingulate cortex, which mainly involved the default mode network. There are changes in functional connectivity patterns between the insular subregions and whole brain in OSA patients after 6 months of CPAP treatment. These changes provide a better understanding of the neuroimaging mechanisms underlying the improvement in cognitive function and emotional impairment in OSA patients and can be used as potential biomarkers for clinical CPAP treatment.
本研究旨在调查阻塞性睡眠呼吸暂停(OSA)患者在接受持续气道正压(CPAP)治疗 6 个月后,其脑岛亚区与全脑之间的功能连接(FC)变化,并探讨静息态 FC 变化与 OSA 患者认知障碍之间的关系。本研究纳入了 15 名 OSA 患者在 CPAP 治疗 6 个月前后的数据。研究比较了基线和 CPAP 治疗 6 个月后 OSA 患者脑岛亚区和全脑之间的 FC 变化。治疗 6 个月后,OSA 患者从右侧腹侧前脑岛到双侧额上回和双侧额中回的 FC 增加,从左侧后脑岛到左侧颞中回和左侧颞下回的 FC 增加。从右侧后脑岛到右侧颞中回、双侧楔前区和双侧扣带回后皮层的超连接性被发现,主要涉及默认模式网络。CPAP 治疗 6 个月后,OSA 患者脑岛亚区和整个大脑之间的功能连接模式发生了变化。这些变化有助于更好地理解 OSA 患者认知功能和情绪障碍改善的神经影像学机制,并可作为临床 CPAP 治疗的潜在生物标记物。
期刊介绍:
Neural Plasticity is an international, interdisciplinary journal dedicated to the publication of articles related to all aspects of neural plasticity, with special emphasis on its functional significance as reflected in behavior and in psychopathology. Neural Plasticity publishes research and review articles from the entire range of relevant disciplines, including basic neuroscience, behavioral neuroscience, cognitive neuroscience, biological psychology, and biological psychiatry.