Review Article

Platelet P2Y12 Inhibitor in the Treatment and Prevention of Migraine: A Systematic Review and Meta-Analysis

Table 2

Demographic and clinical characteristics of included studies for new-onset MHA after transcatheter ASDC.

StudyCountryDesignPatientsMean age (yr)TreatmentsSample sizeDropoutsEfficacy resultsAdverse events
InterventionControl

Kato et al. [13]JapanRetrospective observational studyPatients underwent ASDC with or without migraine27Clopidogrel, ticlopidine, aspirin+ticlopidine, and ticlopidine+warfarin following ASDC for 6 monthsAspirin, asprin+warfarin, and dipyridamole+warfarin following ASDC for 6 months50 vs. 157NANew-onset MHA occurred in 23 (11%) patients (4 vs. 19)NA

Rodés-Cabau et al. [14]CanadaParallel RCTPatients with an indication for ASDC and no history of migraine49Aspirin 80 mg/d+clopidogrel 75 mg/d following ASDC for 3 monthsAspirin 80 mg/d+placebo for 3 months84 vs. 8716 vs. 16New-onset MHA occurred in 27 (16%) patients (8 vs. 19). Number of monthly migraine days: 0.4 vs. 1.4 days); difference: -1.02 (95% CI, -1.94 to -0.10)Total: 14 vs. 19
Major bleeding: 0
Minor bleeding: 5 vs. 1

Wilmshurst et al. [15]UKRetrospective observational studyPatients underwent ASDC with or without migraine39.6Aspirin 150-300 mg/d for six months+clopidogrel 75 mg/d for the first monthAspirin 150-300 mg/d for 6 months90 vs. 71NANew-onset MHA occurred in 12 (7%) patients (3 vs. 9)Major bleeding: 1
Gastrointestinal haemorrhage and 1 pelvic haematoma in aspirin+clopidogrel group

RCT: randomized controlled trial; NA: not applicable; ASDC: atrial septal defect closure; MHA: migraine headache.