Blood components

Irradiation

DEFINITION

Treatment of some blood components with gamma radiation, with the aim of impeding the proliferation of the donor's lymphocytes in the receiver.

HOW IT IS OBTAINED

With a caesium 137 irradiator, the dose is equal to or above 25 Gy (2,500 rads).

EXPIRY

In the case of red blood cells and total blood, preservation is 14 days less.