title: [Frequency of selective IgA deficiency in Basque Country].
abstract: BACKGROUND
  To evaluate the frequency of IgA deficiency in the Basque Country, Spain, and establish a file of IgA-deficient blood donors, using a self laboratory test and checking medical records.
  
  
  METHODS
  A screening radial immunodiffusion system was used on 2.607 blood donors samples. A search on the patients laboratory results was realized.
  
  
  RESULTS
  Five blood donors were detected, and 2 of 30 patients fulfilled criteria for donation.
  
  
  CONCLUSIONS
  The frequency obtained of IgA deficiency in the Basque Country was 1/521. The used method is economical and optimum to create a file of IgA-deficient blood donors.
authors.affiliation: Centro Vasco de Transfusión y Hemoderivados, Hospital de Galdakao, Vizcaya. mperezv@hgda.osakidetza.net
authors.forename: M A
authors.initials: MA
authors.lastname: Pérez Vaquero
authors.forename: M A
authors.initials: MA
authors.lastname: Vesga Carasa
authors.forename: A
authors.initials: A
authors.lastname: López Urrutia
mesh_terms: D001782:Blood Donors; D006801:Humans; D017098:IgA Deficiency / Q000453:epidemiology*; D013030:Spain / Q000453:epidemiology