Risk of brain haemorrhage appears transmissible via blood transfusion
A major study published in JAMA led by researchers at Karolinska Institutet suggests that a possible cause of spontaneous brain haemorrhage could be transmitted via blood transfusion. At the same time, it is very unlikely that anyone should suffer a brain haemorrhage after receiving donated blood.A common cause of spontaneous, recurring brain haemorrhages is the vascular disease cerebral amyloid angiopathy (CAA), in which proteins accumulate along the tiny blood vessels of the brain. Several studies have shown that CAA can be transferred from one individual to another through neurosurgery