title: Ischaemic stroke and influenza A H1N1 vaccination: a case report.
abstract: We report a 75-year-old male patient who suffered posterior circulation ischaemia after influenza A/H1N1 vaccination. Vaccination provokes a variable magnitude of inflammatory and immunological response that modifies the risk for ischaemic stroke. Whereas a causal relation between vaccination and ischaemic stroke is still unsettled, an inflammatory/immunological response after vaccination may trigger thrombosis superimposing a pre-existing prothrombotic state. Careful monitoring is strongly suggested for individuals who received H1N1 vaccine, especially those with high ischaemic stroke risk.
authors.affiliation: Department of Neurology, Chang Gung Memorial Hospital-Kaohsiung Medical Center, and College of Medicine, Chang Gung University, Kaohsiung, Taiwan.
authors.forename: Yi-Pin
authors.initials: YP
authors.lastname: Lin
authors.forename: Tzu-Hui
authors.initials: TH
authors.lastname: Li
authors.forename: Wei-Hsi
authors.initials: WH
authors.lastname: Chen