Blood transfusion is the receipt of blood or blood products from a patient donated by another person, including red blood cells, platelets or plasma. Blood transfusion is a routine activity in all departments in the hospital, but sometimes there are also indications for massive blood transfusion to reach the target early to optimize resuscitation and correct coagulation disorders due to severe bleeding.

Blood transfusion is one of the effective treatments for many patients with anemia, especially those with acute blood loss. In the fields of internal medicine, obstetrics, surgery... we often encounter many patients who need to receive a large amount of blood in a short period of time to hope to be saved.

Massive blood transfusion in emergency is used to save the life of critically ill patients due to causes of severe bleeding such as: Multiple trauma, ruptured aortic aneurysm, postpartum hemorrhage..., but massive blood transfusion also brings many risks and complications caused by itself.

Blood transfusion is the process of receiving blood or blood products into the circulatory system through the veins to replace lost blood components. However, in some cases, complications can still occur during blood transfusion.