ArticleScientific reports2023
Altered functional connectivity of the ascending reticular activating system in obstructive sleep apnea.
Article in Scientific reports, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers, 1 of them a synthesis that pooled it.
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Who cites it
6 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Reduced cerebral blood flow in obstructive sleep apnea: A meta-analysis of SPECT and MRI studies.Sleep & breathing = Schlaf & Atmung · 2026Pooled it
- Long-term outcomes and age-dependent recovery trajectories following short-term spinal cord stimulation in patients with disorders of consciousness.Frontiers in neurology · 2026Article
- Bidirectional effects of physical activity and sleep on health: evidence and future directions.Frontiers in sports and active living · 2026Review
- Low arousal threshold is associated with altered functional connectivity of the ascending reticular activating system in patients with obstructive sleep apnea.Scientific reports · 2024Article
- Altered Density of Resting-State Long- and Short-Range Functional Connectivity in Patients with Moderate-to-Severe Obstructive Sleep Apnea.Nature and science of sleep · 2024Article
- MAPK signaling pathway contributes to regulating the Nrf2 expression and compensation for hypoxia in hypoglossal nucleus induced by chronic intermittent hypoxia in rats.Frontiers in neurologyArticle
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Authors and funding
8 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Repeated arousals during sleep in obstructive sleep apnea (OSA) may lead to altered functional connectivity (FC) of the ascending reticular activating system (ARAS). We evaluated resting-state FC between eight ARAS nuclei and 105 cortical/subcortical regions in OSA patients and healthy controls. Fifty patients with moderate to severe OSA and 20 controls underwent overnight polysomnography and resting-state functional magnetic resonance imaging. Seed-to-voxel analysis of ARAS-cortex FC was compared between OSA patients and controls. The ARAS nuclei included the locus coeruleus (LC), laterodorsal tegmental nucleus (LDTg), and ventral tegmental area (VTA). FC values of three ARAS nuclei (the LC, LDTg, and VTA) significantly differed between the groups. FC of the LC with the precuneus, posterior cingulate gyrus, and right lateral occipital cortex (LOC) was stronger in OSA patients than controls. FC between the LDTg and right LOC was stronger in OSA patients than controls, but FC between the VTA and right LOC was weaker. Average LC-cortex FC values positively correlated with the arousal, apnea, and apnea-hypopnea index in OSA patients. Alterations in ARAS-cortex FC were observed in OSA patients. The strength of LC-cortex noradrenergic FC was related to arousal or OSA severity in patients.
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