Transfusion
Blood transfusion is a process in which blood or its derivatives are taken and given to another person by injecting it into the circulatory system. Blood transfusions are often performed in cases where a person loses a large amount of blood and thus carries blood to save his life, Or severe diseases such as acute anemia, leukemia, hemophilia, Mediterranean anemia, or sickle cell anemia, which require frequent blood transfusions.
History of blood transfusion
In the past, blood was transferred entirely from donor to patient, but with the development of science and the separation of blood components blood transfusion was limited to certain components and not to the whole blood components, and was the first operation in history to transfer blood on June 15, 1667 by Jean Patis, where He did the blood transfusion for the first time, which in turn was not from human to human, but from one man to another, scientists tried to make an alternative to human blood, but they failed and did not succeed only in the manufacture of medical materials match some components of blood, Make preparations stimulate the production of blood cells, so the patient needs in this work And the doctors are keen to reduce the proportion of bleeding from the patient or collect the amount of blood loss and return it to the patient again to reduce the need for blood transfusion.
Blood transfusion instructions
Blood can be donated to people between the ages of 17 and 70, and more often than not, the donor will donate at least 50 kilograms, and the number of donations will not exceed three times a year, ie, one donation every four months. , Pregnant women, people with heart disease, diabetes, respiratory diseases, kidney disease and cancers of blood donation in no way.
The first of these instructions is the need to keep the blood cooled to prevent corruption and non-growth of any bacteria in it, and to reduce the process of metabolism in blood transfused blood, and must be transferred blood within four hours of withdrawal , With the examination of vital signs of the patient before blood transfusion such as temperature measurement, blood pressure measurement, blood glucose measurement, calculation of breathing speed, and calculation of heart rate to ensure the readiness of the person to receive blood units.