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Association of Migraine and Blood Pressure-Does Obesity Severity Have a Moderating Role?

Overview
Journal Int J Behav Med
Publisher Informa Healthcare
Date 2023 Nov 16
PMID 37973767
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Abstract

Background: The relationship between migraine and blood pressure (BP) is equivocal, warranting exploration of potential moderators. Obesity associates with both migraine and BP in a dose-dependent fashion, although its role as a moderator has not been evaluated. We examined the relation between migraine and BP in women with comorbid migraine and obesity, and whether this relation was influenced by obesity severity.

Methods: Women with migraine and obesity (n = 134) completed a 28-day headache diary before randomization to lifestyle intervention or migraine education. BP (systolic (SBP)/diastolic (DBP)), body mass index (BMI), and waist circumference (WC) were measured before diary completion. Hierarchical linear regression assessed associations between BP and migraine characteristics (headache frequency, duration, and pain intensity), and obesity severity (both total (BMI) and abdominal (WC)) as moderators of these associations.

Results: Participants (BMI = 35.4 ± 6.5 kg/m; WC = 105.4 ± 15.6 cm, SBP = 113.1 ± 12.1/DPB = 68.1 ± 8.0 mmHg) reported 8.4 ± 4.5 migraine days that lasted 20.2 ± 15.9 h with mean pain intensity of 5.9 ± 1.6 on a 10-point scale. DBP inversely related to migraine days in both total (β =  - 0.226, p = .010) and abdominal (β = 0.214, p = .015) obesity severity models. SBP and obesity severity did not relate to migraine characteristics. Obesity severity did not moderate relations between migraine characteristics and BP (p's > .05).

Conclusion: Among women with comorbid migraine and obesity, DBP inversely related to migraine frequency; however, obesity severity did not affect the strength of this or other examined associations. Future studies including healthy weight controls and men and women with continuous BP measures are needed to confirm these findings and identify mechanisms and moderators.

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