Massive blood transfusion complication is all except –
**Core Concept**
Massive blood transfusion is defined as the replacement of a patient's total blood volume within 24 hours, often due to severe trauma, surgery, or obstetric hemorrhage. This scenario can lead to various complications due to the dilutional effects of the transfused blood components.
**Why the Correct Answer is Right**
The dilutional coagulopathy associated with massive blood transfusion occurs when the transfused blood components, particularly plasma, dilute the patient's clotting factors. This can lead to a decrease in the concentration of clotting factors, ultimately resulting in coagulopathy. The primary concern is the dilution of fibrinogen, which is critical for clot formation and stability.
**Why Each Wrong Option is Incorrect**
**Option A:** Hypothermia is indeed a complication of massive blood transfusion, as the transfused blood may be stored at a lower temperature, leading to a decrease in the recipient's core body temperature.
**Option B:** Citrate toxicity is also a potential complication, as citrate, a common anticoagulant used in blood products, can accumulate and lead to hypocalcemia and potentially life-threatening complications.
**Option C:** Transfusion-related acute lung injury (TRALI) is another recognized complication of massive blood transfusion, characterized by non-cardiogenic pulmonary edema and often associated with the transfusion of blood products containing HLA or HNA antibodies.
**Clinical Pearl / High-Yield Fact**
In massive blood transfusion, it's essential to monitor the recipient's coagulation status closely and consider the use of clotting factor concentrates or fresh frozen plasma to prevent dilutional coagulopathy.
**Correct Answer: D.**