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Usefulness of the transcutaneous bilirubinometer during phototherapy in neonatal jaundice

Korean Journal of Pediatrics 2006;49(12):1296-1300.
Published online December 15, 2006.
Usefulness of the transcutaneous bilirubinometer during phototherapy in neonatal jaundice
Yung Kwun Lee, Kyung Ah Kim, Sun Young Ko, Yeon Kyung Lee, Son Moon Shin
Department of Pediatrics, Cheil General Hospital & Women's Healthcare, Sungkyunkwan University, Scho
신생아 황달에서 광선치료 동안에 경피적 빌리루빈 측정기의 유용성
이용권, 김경아, 고선영, 이연경, 신손문
성균관대학교 의과대학 제일병원 소아과
Correspondence: 
Sun Young Ko, Email: KOSYMD@unitel.co.kr
Abstract
Purpose
: We studied the usefulness of transcutaneous bilirubinometers in follow-up of bilirubin levels during phototherapy in neonatal jaundice patients.
Methods
: Transcutaneous bilirubin (TcB) was measured twice per day on 90 neonatal jaundice patients without risk factors of jaundice by transcutaneous bilirubinometer JM-103(Minolta/Hill-Rom Air-shields, Japan). TcB was measured simultaneously on the patched-forehead (TcB-PF), patched- chest(TcB-PC), unpatched-forehead (TcB-UF) and unpatched-chest (TcB-UC) of infants with neonatal jaundice. Plasma bilirubin (PB) was measured by American Optical bilirubinometer (American Optical Co, Buffalo, USA) within 30 minutes after transcutaneous bilirubinometer measurement. Each TcB was compared with PB.
Results
: In the study group, the mean gestational age was 38.6¡¾1.3 wk, the mean birthweight was 3,207.0¡¾472.1 g, the mean age at start of phototherapy was 4.9¡¾0.9 days and the mean duration of phototherapy was 1.3¡¾0.6 days. The correlation between TcB and PB level was observed. The correlation between TcB of the patched part (TcB-PF, TcB-PC) and PB was more significant than that of the unpatched part (TcB-UF, TcB-UC) and PB. The most significant correlation was between PB and TcB-PC.
Conclusion
: TcB was useful in the follow-up of jaundice during phototherapy as well the screening of jaundice in neonatal jaundice patients. TcB of patched-chest area was the most reliable site in transcutaneous bilirubinometer examination in neonatal jaundice patients.
Key Words: Transcutaneous , Bilirubin , Phototherapy , Jaundice


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