PEDIATRICS Vol. 65 No. 4 April 1980, pp. 795-798
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A Comparison of Fluorescent and Nonfluorescent Light Sources for Phototherapy

Joseph B. Warshaw MD1, Jeryl Gagliardi RN1, and Anil Patel PhD1

1 Division of Perinatal Medicine, Departments of Pediatrics and Obstetrics and Gynecology, Yale University School of Medicine and Yale New Haven Hospital, New Haven, Connecticut and Cavitron Corporation, New York

We have compared fluorescent and nonfluorescent light sources for phototherapy for newborn infants with hyperbilirubinemia. Phototherapy was provided by a tungsten halogen lamp and conventional fluorescent lights with identical radiant flux of 6 µW/sq cm. For 22 infants treated with the nonfluorescent lamp the mean duration of phototherapy was 33.77 hours and the mean reduction of bilirubin was 3.84 mg/100 ml/day. This did not differ significantly from infants treated with conventional fluorescent lights. The nonfluorescent light can be utilized for infants in incubators or on radiant warmers. These results provide additional support for the relationship between radiant flux as a practical measure of phototherapy dose and the clinical response of a reduction in serum bilirubin.

Submitted on February 22, 1979
Accepted on July 5, 1979




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