Blood transfusion practices at Al-ThawraTeaching Hospital, Sana'a-Yemen.

Ahmed kaid Salem, MD

Department of Medicine, Faculty of Medicine and Health sciences. Department of Medicine, Al-Thawra Hospital


lood transfusion is an old method of restoring person believed to be dying by passing blood by another into his vein. The earliest attempt of blood treatment was an effort to save the life of the dying Pope Innocent VIII in 1492 having him drink the blood of 3 healthy boys. (1, 2) Although, the association of blood with life and vitality was recognized by primitive man, the transfusion of blood was not possible until Harvey described the circulation in 1628. (3) The era of blood transfusion started with the discovery of

the ABO blood group system by Landsteiner in 1931. In addition, his discovery of Rhesus factor in 1940 provided an explanation for previously mysterious hemolytic reactions in occasional blood recipients. (4) This technique of red cells antibody detection, lead to recognition of many new blood group antigen system and introduction of reliable cross-matching of patient and donor blood. Nowadays, transfusion medicine has become a fundamental part of medical practice in all medical disciplines and different specialties. The major function of

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