Cardiorespiratory Fitness Attenuates the Deleterious Effects of Sleep Apnea on Cerebral Structure and Perfusion in the Wisconsin Sleep Cohort Study
BACKGROUND: Emerging evidence suggests that age-related changes in cerebral health may be sensitive to vascular risk modifiers, such as physical activity and sleep.
OBJECTIVE: We examine whether cardiorespiratory fitness modifies the association of obstructive sleep apnea (OSA) severity with MRI-assessed measures of cerebral structure and perfusion.
METHODS: Using data from a cross-sectional sample of participants (n = 129, 51% female, age range 49.6-85.3 years) in the Wisconsin Sleep Cohort study, we estimated linear models of MRI-assessed total and regional gray matter (GM) and white matter (WM) volumes, WM hyperintensity (WMH:ICV ratio), total lesion volume, and arterial spin labeling (ASL) cerebral blood flow (CBF), using an estimated measure of cardiorespiratory fitness (CRF) and OSA severity as predictors. Participants' sleep was assessed using overnight in-laboratory polysomnography, and OSA severity was measured using the apnea-hypopnea index (AHI), or the mean number of recorded apnea and hypopnea events per hour of sleep. The mean±SD time difference between PSG data collection and MRI data collection was 1.7±1.5 years (range: [0, 4.9 years]).
RESULTS: OSA severity was associated with reduced total GM volume (β=-0.064; SE = 0.023; p = 0.007), greater total WM lesion volume (interaction p = 0.023), and greater WMHs (interaction p = 0.017) in less-fit subjects. Perfusion models revealed significant differences in the association of AHI and regional CBF between fitness groups (interaction ps < 0.05).
CONCLUSION: This work provides new evidence for the protective role of cardiorespiratory fitness against the deleterious effects of OSA on brain aging in late-middle age to older adults.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:95 |
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| Enthalten in: |
Journal of Alzheimer's disease : JAD - 95(2023), 2 vom: 15., Seite 427-435 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Edmunds, Kyle J [VerfasserIn] |
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| Links: |
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| Themen: |
Alzheimer’s disease |
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| Anmerkungen: |
Date Completed 19.09.2023 Date Revised 11.04.2024 published: Print Citation Status MEDLINE |
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| doi: |
10.3233/JAD-220910 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM360449042 |
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| 041 | |a eng | ||
| 100 | 1 | |a Edmunds, Kyle J |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Cardiorespiratory Fitness Attenuates the Deleterious Effects of Sleep Apnea on Cerebral Structure and Perfusion in the Wisconsin Sleep Cohort Study |
| 264 | 1 | |c 2023 | |
| 336 | |a Text |b txt |2 rdacontent | ||
| 337 | |a ƒaComputermedien |b c |2 rdamedia | ||
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| 500 | |a Date Completed 19.09.2023 | ||
| 500 | |a Date Revised 11.04.2024 | ||
| 500 | |a published: Print | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a BACKGROUND: Emerging evidence suggests that age-related changes in cerebral health may be sensitive to vascular risk modifiers, such as physical activity and sleep | ||
| 520 | |a OBJECTIVE: We examine whether cardiorespiratory fitness modifies the association of obstructive sleep apnea (OSA) severity with MRI-assessed measures of cerebral structure and perfusion | ||
| 520 | |a METHODS: Using data from a cross-sectional sample of participants (n = 129, 51% female, age range 49.6-85.3 years) in the Wisconsin Sleep Cohort study, we estimated linear models of MRI-assessed total and regional gray matter (GM) and white matter (WM) volumes, WM hyperintensity (WMH:ICV ratio), total lesion volume, and arterial spin labeling (ASL) cerebral blood flow (CBF), using an estimated measure of cardiorespiratory fitness (CRF) and OSA severity as predictors. Participants' sleep was assessed using overnight in-laboratory polysomnography, and OSA severity was measured using the apnea-hypopnea index (AHI), or the mean number of recorded apnea and hypopnea events per hour of sleep. The mean±SD time difference between PSG data collection and MRI data collection was 1.7±1.5 years (range: [0, 4.9 years]) | ||
| 520 | |a RESULTS: OSA severity was associated with reduced total GM volume (β=-0.064; SE = 0.023; p = 0.007), greater total WM lesion volume (interaction p = 0.023), and greater WMHs (interaction p = 0.017) in less-fit subjects. Perfusion models revealed significant differences in the association of AHI and regional CBF between fitness groups (interaction ps < 0.05) | ||
| 520 | |a CONCLUSION: This work provides new evidence for the protective role of cardiorespiratory fitness against the deleterious effects of OSA on brain aging in late-middle age to older adults | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Research Support, N.I.H., Extramural | |
| 650 | 4 | |a Alzheimer’s disease | |
| 650 | 4 | |a cardiorespiratory fitness | |
| 650 | 4 | |a cerebral perfusion | |
| 650 | 4 | |a gray matter | |
| 650 | 4 | |a obstructive sleep apnea | |
| 650 | 4 | |a white matter | |
| 700 | 1 | |a Driscoll, Ira |e verfasserin |4 aut | |
| 700 | 1 | |a Hagen, Erika W |e verfasserin |4 aut | |
| 700 | 1 | |a Barnet, Jodi H |e verfasserin |4 aut | |
| 700 | 1 | |a Ravelo, Laurel A |e verfasserin |4 aut | |
| 700 | 1 | |a Plante, David T |e verfasserin |4 aut | |
| 700 | 1 | |a Gaitán, Julian M |e verfasserin |4 aut | |
| 700 | 1 | |a Lose, Sarah R |e verfasserin |4 aut | |
| 700 | 1 | |a Motovylyak, Alice |e verfasserin |4 aut | |
| 700 | 1 | |a Bendlin, Barbara B |e verfasserin |4 aut | |
| 700 | 1 | |a Okonkwo, Ozioma C |e verfasserin |4 aut | |
| 700 | 1 | |a Peppard, Paul E |e verfasserin |4 aut | |
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