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@INPROCEEDINGS{Akradi:1019184,
author = {Akradi, Mohammad and Farzane-Daghigh, Tara and Ebneabbasi,
Amir and Bi, Hanwen and Drzezga, Alexander and Mander, Bryce
A. and Eickhoff, Simon and Tahmasian, Masoud},
title = {{T}he effects of sleep-disordered breathing on neuroimaging
biomarkers of {A}lzheimer disease},
reportid = {FZJ-2023-05230},
year = {2023},
abstract = {Sleep-disordered breathing (SDB) is prevalent in
Alzheimer’s disease (AD). We assessed whether and how SDB
affects neuroimaging biomarkers of AD, including
amyloid-beta plaque burden (Aβ), regional uptake of
fluorodeoxyglucose using positron emission tomography
(rFDG-PET), grey matter volume (GMV), as well as cognitive
scores and cerebrospinal fluid (CSF) biomarkers. We selected
757 subjects from the Alzheimer’s Disease Neuroimaging
Initiative (ADNI) database based on cognitive status (AD,
mild cognitive impairment (MCI), cognitively unimpaired
(CU)), and SDB condition (with/without SDB). To ensure the
reliability of our findings and considering imbalanced
sample size across groups, we used a stratified subsampling
approach generating 10,000 subsamples (n=10/group). We then
selected 512 subsamples with matched covariates. The effect
size of the cognitive status-SDB interaction was computed
for each biomarker and cognitive score. For reference, we
computed 1000 null models by shuffling group labels
randomly. The average value of effect sizes for each
biomarker in each region was estimated through bootstrapping
with 10,000 iterations for both the main and null models and
compared with the null model’s distribution. Linear
regression models were next implemented to identify
associations between the effect size on Aβ, rFDG, and GMV
with the effect size on cognitive scores and CSF biomarkers
across all subsamples. The cognitive status-SDB interaction
had a medium-sized effect on Aβ, rFDG and GMV biomarkers in
several brain areas. The effect sizes of the mentioned
interactions on Aβ plaque burden in the right precuneus,
left middle temporal gyrus, and left occipital fusiform
gyrus were associated with the effect sizes of the
interactions on cognitive scores. Further, the interaction
effect sizes on CSF Aβ42 were related to the interaction
effect sizes on Aβ in the right precuneus and posterior
cingulate cortex, as well as rFDG in the left precuneus
cortex and GMV in bilateral angular gyrus and right
occipital fusiform gyrus. Effect sizes on CSF p-tau were
also correlated with the effect sizes on Aβ in the left
lateral occipital cortex and GMV in the left middle temporal
gyrus. We observed that SDB interacts with neuroimaging and
CSF biomarkers of AD. Specifically, SDB has a robust
association with markers of Aβ pathology in PET and CSF
relative to rFDG and GMV in the AD group. The cognitive
status-SDB interaction on Aβ is associated with cognitive
decline. This study further supports the hypothesis that SDB
may precipitate AD pathology.},
month = {Oct},
date = {2023-10-04},
organization = {eSLEEP Europe 2023, Virtual (Germany),
4 Oct 2023 - 6 Oct 2023},
subtyp = {After Call},
cin = {INM-7},
cid = {I:(DE-Juel1)INM-7-20090406},
pnm = {5252 - Brain Dysfunction and Plasticity (POF4-525)},
pid = {G:(DE-HGF)POF4-5252},
typ = {PUB:(DE-HGF)6},
doi = {10.34734/FZJ-2023-05230},
url = {https://juser.fz-juelich.de/record/1019184},
}