Procedure of venepuncture for blood donation and arterial blood sampling.

ABSTRACT

Blood banks use various processes to prevent infections that can be transmitted by blood donation. One important measure to prevent infection is to recruit donors from populations that are known to have low rates of infection for blood borne diseases, such as voluntary, unpaid donors and people with no history of intravenous drug use. A second measure is to ask donors a series of additional screening questions (these will vary by region) to help identify those who may be at higher risk of infection. Phlebotomists must adhere strictly to the rules for including and excluding blood donors. The process for collecting blood from donors is similar to that used for blood sampling; however, a few additional measures are required for collection of donated blood. These measures are primarily to ensure patient safety, but also to minimize exogenous contamination of a donated blood unit or its derived components, particularly contamination from the skin flora of the donor’s arm.