TFM-4AS-1
Transfusion Medicine[edit | edit source]
Transfusion medicine is a branch of medicine that is concerned with the transfusion of blood and blood components. It involves the collection, testing, processing, and storage of blood and its components, as well as the clinical use of these products to treat various medical conditions.
History[edit | edit source]
The practice of blood transfusion dates back to the 17th century, but it was not until the 20th century that transfusion medicine became a well-established field. The discovery of blood groups by Karl Landsteiner in 1901 was a significant milestone that made blood transfusions safer and more effective.
Blood Components[edit | edit source]
Blood is composed of several components, each with specific functions:
- Red blood cells (RBCs) - responsible for carrying oxygen from the lungs to the rest of the body and returning carbon dioxide to the lungs for exhalation.
- White blood cells (WBCs) - part of the immune system, helping to fight infections.
- Platelets - involved in blood clotting and wound healing.
- Plasma - the liquid component of blood that carries cells, nutrients, hormones, and waste products.
Blood Donation[edit | edit source]
Blood donation is a voluntary process where individuals donate their blood for use in transfusions. There are different types of blood donations, including:
- Whole blood donation
- Platelet donation
- Plasma donation
Blood Transfusion[edit | edit source]
Blood transfusion is the process of transferring blood or blood components from a donor to a recipient. It is used to treat various conditions such as severe anemia, trauma, surgery, and cancer treatments.
Indications[edit | edit source]
Blood transfusions are indicated in cases of:
- Severe blood loss due to trauma or surgery
- Chronic anemia
- Certain types of cancer
- Blood disorders such as hemophilia
Risks[edit | edit source]
While blood transfusions are generally safe, they carry some risks, including:
- Allergic reactions
- Fever
- Transmission of infectious diseases
- Iron overload
Blood Typing and Crossmatching[edit | edit source]
Before a blood transfusion, it is crucial to determine the blood type of both the donor and the recipient to ensure compatibility. This process involves:
- ABO blood group system
- Rh factor
- Crossmatching tests
Advances in Transfusion Medicine[edit | edit source]
Recent advances in transfusion medicine include the development of synthetic blood substitutes, improved blood storage techniques, and the use of genetic engineering to produce blood components.
Related Pages[edit | edit source]
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Contributors: Prab R. Tumpati, MD