Blood transfusion
(Redirected from Transfuses)
A blood transfusion is a common, life-saving medical procedure that involves transferring blood or blood components from a donor into the bloodstream of a patient.[1] Blood transfusions are typically used to replace blood lost due to injury, disease, or surgery, or when the body is unable to produce blood or its components in adequate amounts.
Understanding Blood and Its Components[edit | edit source]
Blood is a vital fluid in the human body composed of several different components, each serving unique functions. These include red blood cells (RBCs), which carry oxygen to tissues; white blood cells (WBCs) that fight infections; platelets, which play a key role in clotting and stopping bleeding; and plasma, the liquid component of blood that carries nutrients, hormones, and waste products.[2]
In a transfusion, the patient may receive whole blood or just specific components, depending on their needs.
Indications for Blood Transfusion[edit | edit source]
Blood transfusions are indicated in various circumstances:
- Hemorrhage: Severe bleeding due to injury, childbirth complications, or surgical procedures can lead to significant blood loss, necessitating a transfusion to replace lost blood volume.
- Anemia: Conditions like chronic diseases, nutritional deficiencies, or bone marrow failure can cause a decrease in red blood cells, leading to anemia. Transfusions can be used to increase the number of red blood cells and alleviate symptoms.
- Coagulation disorders: Patients with clotting disorders may require transfusions of platelets or clotting factors to prevent excessive bleeding.[3]
- Cancer treatments: Chemotherapy or radiation therapy can harm healthy blood cells, necessitating a transfusion.[4]
Procedure for Blood Transfusion[edit | edit source]
A blood transfusion is typically performed in a hospital or outpatient clinic, under the supervision of medical professionals. Prior to transfusion, the patient and donor blood are cross-matched to ensure compatibility, reducing the risk of a transfusion reaction.[5] During the procedure, the blood or blood components are administered through an intravenous (IV) line.
Risks and Complications[edit | edit source]
While blood transfusions are generally safe, they are not without risks. Complications can include transfusion reactions such as allergic reactions, fevers, hemolytic reactions (destruction of red blood cells), or transmission of infections. Despite rigorous screening processes, there's a very small risk of transmitting infections like HIV or hepatitis. Transfusion reactions are typically managed with medications and supportive care.[6]
In rare cases, a serious condition known as transfusion-related acute lung injury (TRALI) can occur, causing respiratory distress and requiring intensive medical management.[7]
Summary[edit | edit source]
Blood transfusions play a vital role in modern medicine, providing life-saving treatment for a range of conditions. Understanding the indications, procedure, and potential complications is crucial for any healthcare provider.
See Also[edit | edit source]
References[edit | edit source]
- ↑ "Blood Transfusion". Mayo Clinic. Retrieved 2023-05-18.
- ↑
- ↑ "Coagulation disorders". Johns Hopkins Medicine. Retrieved 2023-05-18.
- ↑ "Blood Transfusion". American Cancer Society. Retrieved 2023-05-18.
- ↑ "Blood Transfusion". MedlinePlus. Retrieved 2023-05-18.
- ↑ "What are the risks of a blood transfusion?". NHS. Retrieved 2023-05-18.
- ↑
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