Article (Scientific journals)
In child and adult migraineurs the somatosensory cortex stands out ... again: An arterial spin labeling investigation.
Youssef, Andrew M.; Ludwick, Allison; Wilcox, Sophie et al.
2017In Human Brain Mapping, 38 (8), p. 4078-4087
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Keywords :
Adolescent; Cerebrovascular Circulation/physiology; Child; Disease Progression; Female; Humans; Magnetic Resonance Imaging/methods; Male; Migraine Disorders/diagnostic imaging/physiopathology; Rest; Severity of Illness Index; Somatosensory Cortex/blood supply/diagnostic imaging/physiopathology; Spin Labels; Young Adult; cerebral blood flow; magnetic resonance imaging; migraine; primary somatosensory cortex; pseudocontinuous arterial spin labeling
Abstract :
[en] Over the past decade, human brain imaging investigations have reported altered regional cerebral blood flow (rCBF) in the interictal phase of migraine. However, there have been conflicting findings across different investigations, making the use of perfusion imaging in migraine pathophysiology more difficult to define. These inconsistencies may reflect technical constraints with traditional perfusion imaging methods such as single-photon emission computed tomography and positron emission tomography. Comparatively, pseudocontinuous arterial spin labeling (pCASL) is a recently developed magnetic resonance imaging technique that is noninvasive and offers superior spatial resolution and increased sensitivity. Using pCASL, we have previously shown increased rCBF within the primary somatosensory cortex (S1) in adult migraineurs, where blood flow was positively associated with migraine frequency. Whether these observations are present in pediatric and young adult populations remains unknown. This is an important question given the age-related variants of migraine prevalence, symptomology, and treatments. In this investigation, we used pCASL to quantitatively compare and contrast blood flow within S1 in pediatric and young adult migraineurs as compared with healthy controls. In migraine patients, we found significant resting rCBF increases within bilateral S1 as compared with healthy controls. Furthermore, within the right S1, we report a positive correlation between blood flow value with migraine attack frequency and cutaneous allodynia symptom profile. Our results reveal that pediatric and young adult migraineurs exhibit analogous rCBF changes with adult migraineurs, further supporting the possibility that these alterations within S1 are a consequence of repeated migraine attacks. Hum Brain Mapp 38:4078-4087, 2017. (c) 2017 Wiley Periodicals, Inc.
Disciplines :
Life sciences: Multidisciplinary, general & others
Author, co-author :
Youssef, Andrew M.
Ludwick, Allison
Wilcox, Sophie ;  Université de Liège - ULiège > Neurosciences-Neuroendocrinology
Lebel, Alyssa
Peng, Ke
Colon, Elisabeth
Danehy, Amy
Burstein, Rami
Becerra, Lino
Borsook, David
Language :
English
Title :
In child and adult migraineurs the somatosensory cortex stands out ... again: An arterial spin labeling investigation.
Publication date :
2017
Journal title :
Human Brain Mapping
ISSN :
1065-9471
eISSN :
1097-0193
Publisher :
John Wiley & Sons, Hoboken, United States - New York
Volume :
38
Issue :
8
Pages :
4078-4087
Peer reviewed :
Peer Reviewed verified by ORBi
Commentary :
(c) 2017 Wiley Periodicals, Inc.
Available on ORBi :
since 27 May 2019

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