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Migraine and the risk of cardiovascular and cerebrovascular events: a meta-analysis of 16 cohort studies including 1 152 407 subjects.


ABSTRACT:

Objectives

To perform an updated meta-analysis to evaluate the long-term cardiovascular and cerebrovascular outcomes among migraineurs.

Setting

A meta-analysis of cohort studies performed according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines.

Data sources

The MEDLINE, Web of Science and Cochrane Central Register of Controlled Trials databases were searched for relevant articles.

Participants

A total of 16 cohort studies (18 study records) with 394?942 migraineurs and 757?465 non-migraineurs were analysed.

Primary and secondary outcome measures

Major adverse cardiovascular and cerebrovascular events (MACCE), stroke (ie, ischaemic, haemorrhagic or non-specified), myocardial infarction (MI) and all-cause mortality. The outcomes were reported at the longest available follow-up.

Data analysis

Summary-adjusted hazard ratios (HR) were calculated by random-effects Der-Simonian and Liard model. The risk of bias was assessed by the Newcastle-Ottawa Scale.

Results

Migraine was associated with a higher risk of MACCE (adjusted HR 1.42, 95%?confidence interval [CI] 1.26 to 1.60, P<0.001, I2=40%) driven by a higher risk of stroke (adjusted HR 1.41, 95%?CI 1.25 to 1.61, P<0.001, I2=72%) and MI (adjusted HR 1.23, 95%?CI 1.03 to 1.43, P=0.006, I2=59%). There was no difference in the risk of all-cause mortality (adjusted HR 0.93, 95%?CI 0.78 to 1.10, P=0.38, I2=91%), with a considerable degree of statistical heterogeneity between the studies. The presence of aura was an effect modifier for stroke (adjusted HR aura 1.56, 95%?CI 1.30 to 1.87 vs adjusted HR no aura 1.11, 95%?CI 0.94 to 1.31, P interaction=0.01) and all-cause mortality (adjusted HR aura 1.20, 95%?CI 1.12 to 1.30 vs adjusted HR no aura 0.96, 95%?CI 0.86 to 1.07, Pinteraction<0.001).

Conclusion

Migraine headache was associated with an increased long-term risk of cardiovascular and cerebrovascular events. This effect was due to an increased risk of stroke (both ischaemic and haemorrhagic) and MI. There was a moderate to severe degree of heterogeneity for the outcomes, which was partly explained by the presence of aura.

Prospero registration number

CRD42016052460.

SUBMITTER: Mahmoud AN 

PROVIDER: S-EPMC5875642 | biostudies-literature | 2018 Mar

REPOSITORIES: biostudies-literature

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Publications

Migraine and the risk of cardiovascular and cerebrovascular events: a meta-analysis of 16 cohort studies including 1 152 407 subjects.

Mahmoud Ahmed N AN   Mentias Amgad A   Elgendy Akram Y AY   Qazi Abdul A   Barakat Amr F AF   Saad Marwan M   Mohsen Ala A   Abuzaid Ahmed A   Mansoor Hend H   Mojadidi Mohammad K MK   Elgendy Islam Y IY  

BMJ open 20180327 3


<h4>Objectives</h4>To perform an updated meta-analysis to evaluate the long-term cardiovascular and cerebrovascular outcomes among migraineurs.<h4>Setting</h4>A meta-analysis of cohort studies performed according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines.<h4>Data sources</h4>The MEDLINE, Web of Science and Cochrane Central Register of Controlled Trials databases were searched for relevant articles.<h4>Participants</h4>A total of 16 cohort studies (18 st  ...[more]

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