The cerebellum is associated with 2-year prognosis in patients with high-frequency migraine
Posted on 2020-03-19 - 04:47
Abstract Background The increase of headache frequency is associated with higher headache related disability and lower quality of life in patients with migraine. However, the pathophysiology of migraine progression, persistence, or remission is elusive. The purpose of this study is to identify the brain signatures that are predictive of the long-term outcomes among patients with high-frequency migraine (HFM: 10–30 headache days/month). Methods We prospectively enrolled patients with HFM and healthy controls and collected their baseline clinical profiles and brain-MRI data at first visit. We longitudinally followed the patients and determined their outcomes at 2-year follow-up. Good outcome was defined as ≥50% reduction of baseline headache days and poor outcome was defined as reduction < 50% or frequency increase. Voxel-based morphometry was used to study gray matter volume (GMV), and structural covariance was used to investigate structural connectivity. Results Among 56 patients with HFM, 37 had good outcome and 19 poor outcome. Compared to the healthy controls (n = 37), patients with poor outcome had decreased GMV over the left posterior cingulate gyrus, and increased GMV over the bilateral cerebellum and the right precentral gyrus. Further, patients with poor outcome had greater GMV over the right and the left cerebella compared to patients with good outcome, and the GMVs of the cerebella were correlated to 2-year headache frequencies (right: r = 0.38, P = 0.005; left: r = 0.35, P = 0.009). Structural connectivity were increased between the cerebellum and the cuneus, the calcarine cortex, and the temporal lobe, respectively, in patients with poor outcome, and was decreased between the cerebellum and the prefrontal cortex in patients with poor outcome. The structural covariance integrities between the right cerebellum and the right cuneus were correlated to 2-year headache frequencies (r = 0.36, P = 0.008). Conclusions Structural volume and connectivity changes of the cerebellum may underlie headache persistence in patients with HFM.
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Liu, Hung-Yu; Lee, Pei-Lin; Chou, Kun-Hsien; Lai, Kuan-Lin; Wang, Yen-Feng; Chen, Shih-Pin; et al. (2020). The cerebellum is associated with 2-year prognosis in patients with high-frequency migraine. figshare. Collection. https://doi.org/10.6084/m9.figshare.c.4900038.v1
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AUTHORS (8)
HL
Hung-Yu Liu
PL
Pei-Lin Lee
KC
Kun-Hsien Chou
KL
Kuan-Lin Lai
YW
Yen-Feng Wang
SC
Shih-Pin Chen
WC
Wei-Ta Chen
SW
Shuu-Jiun Wang