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Effect of hypoxia on BOLD fMRI response and total cerebral blood flow in migraine with aura patients

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@article{64b7c668d8e04254b69a23e8738e9d5e,
title = "Effect of hypoxia on BOLD fMRI response and total cerebral blood flow in migraine with aura patients",
abstract = "Experimentally induced hypoxia triggers migraine and aura attacks in patients suffering from migraine with aura (MA). We investigated the blood oxygenation level-dependent (BOLD) signal response to visual stimulation during hypoxia in MA patients and healthy volunteers. In a randomized double-blind crossover study design, 15 MA patients were allocated to 180 min of normobaric poikilocapnic hypoxia (capillary oxygen saturation 70-75{\%}) or sham (normoxia) on two separate days and 14 healthy volunteers were exposed to hypoxia. The BOLD functional MRI (fMRI) signal response to visual stimulation was measured in the visual cortex ROIs V1-V5. Total cerebral blood flow (CBF) was calculated by measuring the blood velocity in the internal carotid arteries and the basilar artery using phase-contrast mapping (PCM) MRI. Hypoxia induced a greater decrease in BOLD response to visual stimulation in V1-V4 in MA patients compared to controls. There was no group difference in hypoxia-induced total CBF increase. In conclusion, the study demonstrated a greater hypoxia-induced decrease in BOLD response to visual stimulation in MA patients. We suggest this may represent a hypoxia-induced change in neuronal excitability or abnormal vascular response to visual stimulation, which may explain the increased sensibility to hypoxia in these patients leading to migraine attacks.",
keywords = "Journal Article, functional MRI, migraine, Blood oxygenation level-dependent contrast, cerebral blood flow, hemodynamics",
author = "Nanna Arngrim and Anders Hougaard and Schytz, {Henrik W} and Vestergaard, {Mark B} and Josefine Britze and Amin, {Faisal Mohammad} and KS Olsen and Larsson, {Henrik Bw} and Jes Olesen and Messoud Ashina",
year = "2019",
month = "4",
doi = "10.1177/0271678X17719430",
language = "English",
volume = "39",
pages = "680--689",
journal = "Journal of Cerebral Blood Flow and Metabolism",
issn = "0271-678X",
publisher = "Nature Publishing Group",
number = "4",

}

RIS

TY - JOUR

T1 - Effect of hypoxia on BOLD fMRI response and total cerebral blood flow in migraine with aura patients

AU - Arngrim, Nanna

AU - Hougaard, Anders

AU - Schytz, Henrik W

AU - Vestergaard, Mark B

AU - Britze, Josefine

AU - Amin, Faisal Mohammad

AU - Olsen, KS

AU - Larsson, Henrik Bw

AU - Olesen, Jes

AU - Ashina, Messoud

PY - 2019/4

Y1 - 2019/4

N2 - Experimentally induced hypoxia triggers migraine and aura attacks in patients suffering from migraine with aura (MA). We investigated the blood oxygenation level-dependent (BOLD) signal response to visual stimulation during hypoxia in MA patients and healthy volunteers. In a randomized double-blind crossover study design, 15 MA patients were allocated to 180 min of normobaric poikilocapnic hypoxia (capillary oxygen saturation 70-75%) or sham (normoxia) on two separate days and 14 healthy volunteers were exposed to hypoxia. The BOLD functional MRI (fMRI) signal response to visual stimulation was measured in the visual cortex ROIs V1-V5. Total cerebral blood flow (CBF) was calculated by measuring the blood velocity in the internal carotid arteries and the basilar artery using phase-contrast mapping (PCM) MRI. Hypoxia induced a greater decrease in BOLD response to visual stimulation in V1-V4 in MA patients compared to controls. There was no group difference in hypoxia-induced total CBF increase. In conclusion, the study demonstrated a greater hypoxia-induced decrease in BOLD response to visual stimulation in MA patients. We suggest this may represent a hypoxia-induced change in neuronal excitability or abnormal vascular response to visual stimulation, which may explain the increased sensibility to hypoxia in these patients leading to migraine attacks.

AB - Experimentally induced hypoxia triggers migraine and aura attacks in patients suffering from migraine with aura (MA). We investigated the blood oxygenation level-dependent (BOLD) signal response to visual stimulation during hypoxia in MA patients and healthy volunteers. In a randomized double-blind crossover study design, 15 MA patients were allocated to 180 min of normobaric poikilocapnic hypoxia (capillary oxygen saturation 70-75%) or sham (normoxia) on two separate days and 14 healthy volunteers were exposed to hypoxia. The BOLD functional MRI (fMRI) signal response to visual stimulation was measured in the visual cortex ROIs V1-V5. Total cerebral blood flow (CBF) was calculated by measuring the blood velocity in the internal carotid arteries and the basilar artery using phase-contrast mapping (PCM) MRI. Hypoxia induced a greater decrease in BOLD response to visual stimulation in V1-V4 in MA patients compared to controls. There was no group difference in hypoxia-induced total CBF increase. In conclusion, the study demonstrated a greater hypoxia-induced decrease in BOLD response to visual stimulation in MA patients. We suggest this may represent a hypoxia-induced change in neuronal excitability or abnormal vascular response to visual stimulation, which may explain the increased sensibility to hypoxia in these patients leading to migraine attacks.

KW - Journal Article

KW - functional MRI

KW - migraine

KW - Blood oxygenation level-dependent contrast

KW - cerebral blood flow

KW - hemodynamics

UR - http://www.scopus.com/inward/record.url?scp=85044305698&partnerID=8YFLogxK

U2 - 10.1177/0271678X17719430

DO - 10.1177/0271678X17719430

M3 - Journal article

VL - 39

SP - 680

EP - 689

JO - Journal of Cerebral Blood Flow and Metabolism

JF - Journal of Cerebral Blood Flow and Metabolism

SN - 0271-678X

IS - 4

ER -

ID: 52351325