title: Complications related to blood donation: a population-based study.
abstract: BACKGROUND
  Population-based data on the rate and outcome of complications related to blood donation are sparse.
  
  
  METHODS
  Data from a survey conducted in 2003 in Aarhus County, Denmark, were used to assess the overall rate of donor complications. Additional nationwide data on moderate and severe donor complications were obtained from the Danish Register of Complications Related to Blood Donation, with records of all moderate and severe donor complications in Denmark occurring during the period 1997-2003.
  
  
  RESULTS
  In the regional survey, we identified 340 complications of any type among 41 274 donations, corresponding to a rate of 824/100,000 donations [95% confidence interval (CI): 741-916]. All complications were either needle injuries or vasovagal reactions. In the nationwide register, a total of 752 moderate and severe complications were recorded among 2,575,264 donations, corresponding to a rate of 29/100,000 donations (95% CI: 27-31). The rates of complications leading to long-term morbidity or disablement (> 5% loss of working capacity) were 5/100,000 donations (95% CI: 4.2-5.9) and 2.3/100,000 donations (95% CI: 1.8-2.9), respectively.
  
  
  CONCLUSIONS
  The risk of complications related to blood donation is low. However, attention towards donor complications is warranted, given the non-negligible rate of complications resulting in long-term morbidity and disablement.
authors.affiliation: Regional Blood Transfusion Centre and Department of Clinical Immunology, Aarhus University Hospital (Skejby), Aarhus, Denmark. betinasamuelsen@yahoo.dk
authors.forename: B S
authors.initials: BS
authors.lastname: Sorensen
authors.forename: S P
authors.initials: SP
authors.lastname: Johnsen
authors.forename: J
authors.initials: J
authors.lastname: Jorgensen
mesh_terms: D001782:Blood Donors / Q000706:statistics & numerical data*; D003625:Data Collection; D003718:Denmark; D006801:Humans; D016602:Needlestick Injuries / Q000453:epidemiology*; D019462:Syncope, Vasovagal / Q000453:epidemiology*