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1.  Analysis of adverse events and predisposing factors in voluntary and replacement whole blood donors: A study from north India 
Background:
Lack of awareness and community motivation, compounded with fragmented blood transfusion services in our country, Often leads to shortage of blood. Donor recruitment and retention are essential for ensuring adequate blood supply. However, adverse events (AEs) in donors have a negative impact on donor return.
Aims and Objectives:
The present study was aimed to assess the frequency of AEs in whole blood donors and analyze the predisposing factors for AEs.
Material and Methods:
The study was conducted on allogeneic whole blood donors over a period of 14 months, i.e., from January 2002 to February 2003. A total of 37,896 donors were monitored for any AEs: 22587 (59.6%) were voluntary donors (VD) and 15,309 (40.4%) were replacement donors (RD).
Results:
Overall reaction rate was 2.5% with vasovagal reactions constituting 63.5% and hematomas 35.0% of all reactions. Vasovagal reactions showed a significant association with young age, lower weight, first time donation status, female gender, and nature of blood donation camps. Amongst male donors, RDs had more reactions (P=0.03) than VDs. Majority of donors (85%) with vasovagal reactions admitted to some fear or anxiety prior to donation. Hematoma formation occurred significantly more when less trained staff performed phlebotomy.
Conclusion:
Donor safety is an essential prerequisite to increase voluntary blood donation. AE analysis helps in identifying the blood donors at risk of donor reactions and adopting appropriate donor motivational strategies, pre-donation counseling, and care during and after donation.
doi:10.4103/0973-6247.98922
PMCID: PMC3439755  PMID: 22988381
Adverse events; donors; vasovagal reactions

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