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  • Abstracts - Problem of Transcutaneous Bilirubinometry
    TcB during and after phototherapy METHODS TcB was performed on the forehead and chest of infants with neonatal jaundice when capillary blood was sampled for bilirubin determination in a control group of 240 neonates In a second group of 70 neonates exposed to phototherapy the same procedure was performed after at least 24 h of exposure on the forehead TcB was done in the centre of the unexposed area and also on the adjacent exposed area and the exposed chest During the post phototherapy period TcB was again done during the first and second days at least 18 24 h after cessation of phototherapy The results were then statistically evaluated and regression curves were plotted RESULTS A close correlation between TcB values and bilirubin levels was observed in the control group In the phototherapy group a correlation was also found between the TcB and the bilirubin values but this correlation was significantly poorer than that of the controls the correlation for the covered part of the forehead was significantly better than that of the exposed part but still poorer than that of the controls though the difference was no longer significant Skin colour recovered during the post phototherapy period and

    Original URL path: http://www.clinlab.ru/tm/bilirub/Tan-2003.htm (2014-12-29)
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  • Abstracts - Problem of Transcutaneous Bilirubinometry
    transcutaneous bilirubinometer TcB was made in 68 Chinese and 57 Malay fullterm infants 18 Chinese premature infants and 9 infants undergoing phototherapy A close correlation between the TcB index and bilirubin values was observed at all three sites measured forehead sternum and upper back in both Chinese and Malay infants though this correlation was not as close in premature infants A high degree of reproducibility was demonstrated The correlation was

    Original URL path: http://www.clinlab.ru/tm/bilirub/86.%20Tan.htm (2014-12-29)
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  • Abstracts - Problem of Transcutaneous Bilirubinometry
    bilirubin TcB index correlations were also observed for each individual day The plasma bilirubin TcB index forehead regressions were fairly similar for the individual days and the combined overall regression except for 2 days days 5 and 7 A slight improvement was observed when only bilirubin concentrations less than or equal to 200 mumol l were evaluated The intercepts were however different for individual days requiring correction factors to the

    Original URL path: http://www.clinlab.ru/tm/bilirub/87.%20Tan.htm (2014-12-29)
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  • Abstracts - Problem of Transcutaneous Bilirubinometry
    áîëüøèé ïî ñðàâíåíèþ ñ ýëåêòðè åñêèì êàáåëåì âåñ è äëÿ èõ ðàçìåùåíèÿ èíîãäà òðåáóåòñÿ ïðîâåäåíèå äîïîëíèòåëüíûõ ðàáîò Tan KL Lim GC Boey KW Efficacy of phototherapy for hyperbilirubinaemia in infants with the respiratory distress syndrome J Paediatr Child Health 31 2 127 129 Apr 1995 SINGAPORE OBJECTIVE To evaluate the efficacy of phototherapy for hyperbilirubinaemia in preterm infants with and without the respiratory distress syndrome RDS METHODOLOGY Prospective cohort study of preterm infants cared for at Kandang Kerbau Hospital Singapore 170 with RDS and 477 without RDS sepsis or other complications control group presenting with non haemolytic hyperbilirubinaemia at about the same time were exposed to daylight phototherapy when bilirubin concentrations exceeded 255 mumol L or 222 mumol L if 48 h of age Bilirubin values were monitored 6 hourly during exposure and daily for at least 2 days post phototherapy RESULTS The infants were comparable in birthweight gestational age postnatal age haemoglobin haematocrit and bilirubin values at start The response to phototherapy of the infants with RDS was comparable to that of the well preterm infants the duration of exposure was 50 1 1 6 mean s e m versus 50 1 1 4 h 24 hour decline rate

    Original URL path: http://www.clinlab.ru/tm/bilirub/TAN93.HTM (2014-12-29)
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  • Abstracts - Problem of Transcutaneous Bilirubinometry
    investigate the correlation of transcutaneous bilirubinometry TcB and plasma bilirubin concentrations in full term Chinese Malay and Indian infants TcB was performed with the Minolta Airshields bilirubinometer on Chinese Malay and Indian fullterm infants The readings were taken on the chest sternum and forehead glabella when capillary blood was sampled for bilirubin determination Five hundred and forty TcB indices in 253 Chinese infants 282 in 169 Malay infants and 182 in 120 Indian infants were obtained over the sternum and forehead A good correlation between the TcB indices and the bilirubin concentrations was observed in Chinese Malay and Indian infants r 0 78 chest r 0 73 forehead r 0 86 chest r 0 84 forehead and r 0 84 chest r 0 82 forehead The correlation was just as good when the combined values were evaluated together r 0 80 chest r 0 75 forehead In Chinese infants correlation at values below 250 mumol l 1 was significantly better than that at values over 250 mumol l 1 r 0 80 versus r 0 20 p 0 00001 chest and r 0 74 versus r 0 07 p 0 00001 forehead However a safer cut off point clinically would

    Original URL path: http://www.clinlab.ru/tm/bilirub/TAN94.HTM (2014-12-29)
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  • Abstracts - Problem of Transcutaneous Bilirubinometry
    results of an initial trial of a transcutaneous bilirubinometer under Australian conditions The method is non invasive and we obtained an acceptable degree of precision The meter readings were influences by the site where reading was taken and by phototherapy

    Original URL path: http://www.clinlab.ru/tm/bilirub/89.%20Tudehope.htm (2014-12-29)
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  • Abstracts - Problem of Transcutaneous Bilirubinometry
    observed between the reflectance spectra difference and the serum bilirubin level Although the best analysis results were obtained from the measurements of the reflectance spectra difference between 460 nm and 510 nm on the chests r 0 954 Y 40 62X 1 36 or on sums of 4 measuring sites r 0 973 Y 46 59X 0 61 there was no statistical difference from the values obtained between 460 nm

    Original URL path: http://www.clinlab.ru/tm/bilirub/91.%20Uchida.htm (2014-12-29)
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  • Abstracts - Problem of Transcutaneous Bilirubinometry
    by the present authors and the Minolta Camera Company Ltd A series of linear relationships were found to exist between total serum bilirubin concentration and yellowish skin color intensity in both term and low birth weight infants of Japanese ancestry The instrument was examined for precision accuracy and technique dependence From these resulting relationships it can be concluded that the transcutaneous bilirubin measurement is precise and accurate and will become

    Original URL path: http://www.clinlab.ru/tm/bilirub/97.%20Yamanouchi.htm (2014-12-29)
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