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The process for blood donation is considered safe, but some adverse events have been reported. Risk factors for adverse events were assessed in this study. A retrospective case-control study was conducted to investigate the risk factors for adverse events after blood donation between and Variables such as gender, age, body mass index BMI , donation status, donation volume, donation site, pre-donation systolic blood pressure SBP , and pre-donation diastolic blood pressure were compared between donors with and without adverse events.
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Multiple logistic regression analysis was performed to assess the joint effects of age, gender, and donation status on adverse events. The findings of our study should prove useful in identifying donors at risk and planning appropriate strategies for the prevention of adverse effects.
Volunteer blood donors must be healthy to donate blood. Donating blood is generally safe, but during or upon completion of the blood donation process adverse events may occur. Adverse events of blood donation can be divided into 2 types: acute reaction and chronic reaction.
Hematoma or nerve damage may occur during venipuncture. VVS is a syncope syndrome, characterized by transient loss of consciousness, associated with hypotension and relative bradycardia. The results of this study showed that young blood donors, first-time donors, and donors with low body mass index BMI , low estimated blood volume EBV , high blood pressure BP before blood collection, rapid pulse, or insufficient amount of sleep are associated with risk of VVR.
