What is the most common cause of iatrogenic anemia in preterm infants?
a. Frequent blood sampling
b. Respiratory distress syndrome
c. Meconium aspiration syndrome
d. Persistent pulmonary hypertension
ANS: A
The most common cause of anemia in preterm infants is frequent blood-sample withdrawal and inadequate erythropoiesis in acutely ill infants. Microsamples should be used for blood tests, and the amount of blood drawn should be monitored. Respiratory distress syndrome, meconium aspiration syndrome, and persistent pulmonary hypertension are not causes of anemia. They may require frequent blood sampling, which contributes to the problem of decreased erythropoiesis and anemia.
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