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Comparison of the Transcutaneous Bilirubin Readings at the Forehead during Crying with Those during Quiet State in Neonatal Jaundice

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Authors
Choi, Jung-Hwan; Kang, Hye Young; Yun, Chong Ku
Issue Date
1995-06
Publisher
Seoul National University College of Medicine
Citation
Seoul J Med, Vol.36 No.2, pp. 79-84
Keywords
NeonateHyperbilirubinemiaTranscutaneous bilirubinometer
Abstract
We compared TcB readings at the forehead and the mid-sternum
during crying with those during quiet state in 70 healthy full-term neonates in order
to investigate the effect of crying on TcB readings by using a Minolta/
Air-Shields Jaundice Meter. The average TcB reading at the forehead during quiet
state was 18.37 + 2.41, while during crying the average reading were 17.07 + 2.20.
TcB readings at the forehead during crying was significantly decreased compared
with the TcB readings during quiet state with a difference of 1.30+0.96(r=0.78,
PThe average TcB reading at the mid-sternum during quiet state was 17.07+
1.66, while during crying the average reading was 16.80 + 1.66. TcB readings at
the mid-sternum during crying were not significantly decreased compared with TcB
readings during quiet state with the difference of 0.20+0.90(P>0.05).
The decreasing effect of crying at the forehead was more influential -at the higher
TcB reading(TcB>20) than at the lower TcB reading(l5the mid-sternum there was no crying effect on both the lower and the higher TcB
readings.
As mechanisms of the effect of crying on TcB readings at the forehead, we suggest
that wrinkling causes the scattering of light by poor contact between the TcB
probe and the surface of the forehead skin and the hemodynamyc effect, that of
hemoconcentration and changes of skin color during crying.
In conclusion, we should be careful when measuring TcB at the forehead because
the babies often cry during measurements. We recommend that TcB measurements
at the forehead should be taken during quiet state at the newborn nursery.
ISSN
0582-6802
Language
English
URI
http://hdl.handle.net/10371/6872
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College of Medicine/School of Medicine (의과대학/대학원)Dept. of Medicine (의학과)The Seoul Journal of MedicineThe Seoul Journal of Medicine Vol. 36 No.2 (1995)
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