What is a primary treatment for life-threatening anemia in hemolytic disease of the newborn (HDN)?

• A. Emergency transfusion
• B. Antibiotic therapy
• C. Oral iron supplementation
• D. Phototherapy

Answer: (A)

The primary treatment for life-threatening anemia in hemolytic disease of the newborn (HDN) is emergency transfusion. This condition often results from Rh or ABO incompatibility, leading to increased destruction of red blood cells in the neonate. Anemia can become significant, requiring immediate intervention to prevent severe complications such as heart failure or shock.

In emergency transfusions, the objective is to rapidly correct the anemia by restoring the normal red blood cell mass. This is typically achieved through the administration of packed red blood cells, which provides the necessary volume and hemoglobin to support oxygen transport in the body.

Other options, such as antibiotic therapy, primarily address infections and are not directly related to correcting anemia. Oral iron supplementation may be useful in treating iron deficiency anemia but is not indicated for acute management of hemolytic anemia situations where immediate red blood cell restoration is critical. Phototherapy is aimed at managing jaundice associated with HDN but does not address the underlying issue of anemia directly.

Thus, emergency transfusion is essential in this context to stabilize the newborn and address the most urgent risk associated with life-threatening anemia in HDN.