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Observational Study
Delayed adverse reactions in whole blood donors: Importance of active surveillance in identifying the missing gaps in the donor safety.
- Abhaykumar Malind Gupta and Meenu Bajpai.
- Department of Transfusion Medicine, Institute of Liver & Biliary Sciences, New Delhi, India.
- Indian J Med Res. 2023 Jan 1; 157 (1): 303630-36.
Background & ObjectivesThe information available regarding delayed adverse donor reactions (D-ADRs) is limited. Proactive follow up of donors for delayed reactions is not done routinely. This study was undertaken to analyze frequency and type of D-ADRs in whole blood donors as also the contributory factors.MethodsIn this prospective observational study, all eligible whole blood donors were contacted telephonically twice (24 h and 2 wks after donation) and asked about general health and ADR specific questions. The International Society of Blood Transfusion standard guidelines were used to categorize ADRs.ResultsThe ADR data of 3514 donors were analyzed in the study. D-ADRs were more common as compared to immediate delayed adverse donor reactions (I-ADRs) (13.7 vs. 2.9%, P<0.001). The most common D-ADRs were bruises (4.98%), fatigue or generalized weakness (4.24%) and sore arms (2.25%). D-ADRs were more common in first time donors as compared to the repeat blood donors (16.1 vs. 12.5%, P=0.002). Females were more prone to D-ADRs (17 vs. 13.6%). Localized D-ADRs were more frequent as compared to systemic D-ADRs (P<0.001). Repeat donors had a lower incidence of systemic D-ADRs (4.11% vs. 7.37%, P<0.001).Interpretation & ConclusionsD-ADRs were more common than I-ADRs with a different profile. First time, female and young donors were more prone to D-ADRs. These categories need special care at the time of blood donation. Active follow up of blood donors should be done from time to time to strengthen donor safety.
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