Efficacy of phototherapy and/or exchange transfusions in neonatal jaundice.

In a review of treatment of neonatal jaundice, the authors studied the impact of phototherapy on outcome. From comparing exchange transfusion treatment over a 39-month period prior to the availability of phototherapy to a 39-month period incorporating phototherapy in the treatment regimen, the authors conclude that phototherapy (1) acts slowly but constantly to reduce bilirubin levels and (2) is effective even in severe hemolytic jaundice, but its effectiveness is inversely related to the degree of hemolysis. While phototherapy can never totally replace exchange transfusion, it can certainly reduce the number of transfusions needed.