PMID:
Arch Med Sci. 2011 Apr ;7(2):345-8. Epub 2011 May 17. PMID: 22291779
Abstract 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.
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