blood transfusion
TRANSCRIPT
**Blood loss – accidents, surgical operations
*Severe anemia
(Pregnancy & emergency surgery
– quick restoration of Hb)
*Exchange transfusion
*Blood diseases – Aplastic anemia, agranulocytosis, leukemias, hemophilia, purpura, clotting & bleeding disorders
*Acute CO poisoning
*Autologous (Elective surgery) - Advantageous
**Donor selection
*Cross matching
*Major – Donor cell with recipient plasma
*Minor – Recipient cells with donor plasma
*Universal donor (O –ve)
*Universal recipient (AB +ve)
**Chills, rigors, fever, skin rash, itching, urticaria
*Anaphylactic shock
*Circulatory overload
* Iron overload – hemosiderosis
*Transmission of diseases, alloimmunization
* Infection
*Thrombophlebitis
*Air embolism
*Hyperkalemia
*Hypocalcaemia
*Hypothermia → cardiac arrest → sudden death
**Hemolysis – hemoglobinemia & hemoglobinuria (red urine), heart rate ↑, BP ↓, dyspnea, bronchospasm, nausea, vomiting,, pulmonary edema, CCF…………. Jaundice
*Chest pain, back pain
*Renal stone
*Renal shutdown – anuria
*Renal vasoconstriction, circulatory shock, kidney tubules blockage
*Uremia, Coma, death
*TRALI, FNHTR, DHTR, GVHD
**1 unit of blood (300 ml) – every 3 months
*ACD mixture (21 days)
*Cold storage
- RBC swell (loss of K, ↑ in Na, water)
- 80 % - 24 hrs. – Destroyed at 1% / day
- WBCs, Platelets – absent after 24 hrs.
* Blood components – PCV, FFP, Platelets