transcutaneous bilirubin measurement

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transcutaneous bilirubin measurement

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TcB measurement

A noninvasive assessment of serum bilirubin levels performed by attaching a probe to the skin, e.g., of jaundiced newborns.
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A simultaneous TcB measurement using BiliChek was taken every time a clinical evaluation was made to obtain TSB measurement.
TcB measurement was also carried out within 15-30 minutes by applying BiliChek (Respironics Inc., Chichester, UK) to the infant's forehead with the infant lying supine whenever the samples for TSB measurement were collected.
Once phototherapy was started, we repeated the TcB measurement with the first TSB.
TcB measurement in jaundiced, healthy otherwise, full term infants under phototherapy from properly shielded area of the skin is relatively accurate and can be performed to monitor bilirubin levels.
TcB measurement was a non-invasive procedure and free of charge for the parents.
These procedures were performed within 30 minutes of TcB measurements by one physician.
Thus, a TcB measurement is not the equivalent of measuring TSB.
(5) made an important contribution to our understanding of how TcB measurements can improve the care of newborn infants.
The blanket statement that skin pigmentation has been found to have no effect on TcB measurement could lead to an inappropriate lack of attention to certain population differences that could impact the relationship between TcB and TSB.
Many authors of previous studies have concluded that TcB measurements are useful and can serve as a reliable index for estimating TSB concentrations (1-4), even in darkly pigmented neonates (5).
In addition, although the racial demographics of our white and Hispanic neonatal population are somewhat atypical of the United States (21), we do not expect that this will adversely impact the conclusions dealing with the use of TcB because skin pigmentation has been found to have no effect on TcB measurement (8-10,18).
The TcB measurements were performed by skilled nursing staff who were trained and educated in its use.