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Abstract Title:

Vitamin K2 Status and Arterial Stiffness Among Untreated Migraine Patients: A Case-Control Study.

Abstract Source:

Headache. 2019 Nov 25. Epub 2019 Nov 25. PMID: 31769041

Abstract Author(s):

Anthony G Mansour, Rechdi Ahdab, Yazan Daaboul, Serge Korjian, Daniel Alexander Morrison, Essa Hariri, Maher Salem, Christelle El Khoury, Naji Riachi, Sola Aoun Bahous

Article Affiliation:

Anthony G Mansour

Abstract:

OBJECTIVE: We aimed to examine arterial stiffness and vitamin K2 status in migraine subjects by comparison to controls.

BACKGROUND: Migraine is a primary headache disorder that has been associated with an increased risk of cardiovascular events. Mechanisms underlying this increased risk, however, remain unclear. Vitamin K2 deficiency emerged as a cardiovascular risk factor, but vitamin K2 status has never been explored in migraine subjects.

DESIGN AND METHODS: This is a case-control, single-center, observational study that includes a cohort of subjects with migraine and their age- and sex-matched controls. Arterial stiffness was measured using carotid-femoral pulse wave velocity (cfPWV). Dephosphorylated-uncarboxylated matrix-Gla-protein (dp-ucMGP) was used as a marker for vitamin K2 status. A propensity-matched scoring method was used.

RESULTS: A total of 146 patients (73 matched pairs) were included in this study, of whom 89% were women with a mean age of 31.9 ± 8.4 years. Compared with controls, migraine patients had statistically significantly higher mean cfPWV (7.2 ± 1.1 vs 6.4 ± 0.8 m/s, 95% confidence interval (CI) of mean difference [0.45, 1.08], P < .001), as well as higher dp-ucMGP (454.3 ± 116.7 pmol/L vs 379.8 ± 126.6 pmol/L, 95% CI of mean difference [34.63, 114.31], P < .001). Higher cfPWV was associated with higher dp-ucMGP concentrations only in the migraine with aura (MWA) group. Moreover, migraine subjects had a higher frequency of vitamin K2 deficiency (dp-ucMGP ≥ 500 pmol/L) compared to controls, but this association was not statistically significant (23/73 [31.5%] vs 16/73 [21.9%], P = .193).

CONCLUSIONS: Individuals with migraine have worse indices of arterial stiffness as compared with their age- and sex-matched control subjects. This increase in arterial stiffness is associated with an increase in markers of vitamin K2 deficiency in the MWA group.

Study Type : Human Study

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