Influenza vaccination in patients on long-term anticoagulant therapy Academic Article uri icon

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abstract

  • The study evaluates the risk/benefit of influenza vaccination in patients on stable long-term oral anticoagulant therapy (OAT). One hundred and four consecutive patients with indication for influenza vaccination were randomized to receive one dose of 2004/2005 influenza vaccine followed by placebo after 6 weeks, or vice versa, in a cross-over blinded trial. All patients were tested for anticoagulation levels and for hemagglutination inhibiting antibody titres against the influenza vaccine antigens. The highly protective antibody titres induced by influenza vaccination and the absence of statistically relevant interactions between vaccination and OAT suggest that influenza vaccination can be used safely and successfully in elderly patients on OAT.

authors

  • Iorio, AM
  • Camilloni, B
  • Basileo, M
  • Guercini, F
  • Conti, S
  • Ferrante, F
  • Paccamiccio, E
  • Iaboni, S
  • Vecchioli, M
  • Iorio, Alfonso

publication date

  • November 2006