A retrospective review of sex differences of white matter hyperintensities in brain MRI of patients with migraine

Author:

Su Ye1,Tay Victoria Q.2,Singh Satinderpal1,Leary Megan C.12,Koss Vitaliy12,Kincaid Hope M.23,Yacoub Hussam A.12,Castaldo John4

Affiliation:

1. Department of Neurology Lehigh Valley Health Network Allentown Pennsylvania USA

2. Morsani College of Medicine University of South Florida Tampa Florida USA

3. Network Office of Research and Innovation Lehigh Valley Health Network Allentown Pennsylvania USA

4. The Villages Health The Villages Florida USA

Abstract

AbstractObjectivesThe primary objective of this study was to evaluate the prevalence of white matter hyperintensities (WMHs) in patients who experience migraine and compare findings between adult male and female patients. Specific symptoms and comorbidities also were analyzed to determine whether they were associated with WMH prevalence or the sex of patients with migraine. We hypothesized that females would have a higher prevalence of WMHs, experience more frequent and more severe migraine headaches, and be more likely to have certain comorbidities associated with migraine than males.BackgroundAn increased prevalence of WMHs in patients with migraine has been proposed, although this relation is not well‐supported by data from population‐based MRI studies. The difference in brain morphology between males and females is of research interest, and females in the general population appear to have a higher prevalence of WMHs. Sex differences and various comorbidities in patients with migraine relative to the number of WMHs on brain imaging have not been fully investigated.MethodsThis was a cross‐sectional study of 177 patients aged 18 years and older with a diagnosis of migraine who were seen in the Lehigh Valley Fleming Neuroscience Institute's Headache Center between January 1, 2000, and January 1, 2017. Patients' baseline characteristics were extracted from electronic medical records, including demographics, review of systems documentation, and brain imaging from MRI. Variables including headache severity, frequency of head pain, insomnia, and comorbidities (anxiety, depression, diabetes, hyperlipidemia, hypertension, and neck pain) also were analyzed for associations with the presence of WMHs.ResultsFemales were found to have a significantly higher number of WMHs than males (median 3 [IQR: 0–7] vs. 0 [IQR: 0–3], p = 0.023). Patients with WMHs were significantly more likely than those without WMHs to have hypertension (39.8% of patients with WMHs vs. 20.3% without WMHs, p = 0.011), constipation (20.9% vs. 8.3%, p = 0.034), and sleep disorder (55.7% vs. 37.3%, p = 0.022). Females with migraine were significantly more likely to experience constipation than males (20.0% vs. 2.9%, p = 0.015). None of the migraine characteristics studied (frequency, severity, presence of aura) were different between sexes, nor were they significantly associated with the presence of WMHs.ConclusionThis study suggests that females with migraine may be more likely to have WMHs and experience constipation than males with migraine. Migraine frequency and severity were not different between sexes, nor were they significantly associated with the presence of WMHs. The findings of this study do not support a specific etiology of WMH development in individuals with migraine that differs from findings in the general population. Further studies are warranted.

Publisher

Wiley

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