Reference intervals for end-tidal carbon monoxide of preterm neonates

Objectives We constructed reference intervals for end-tidal carbon monoxide (ETCOc) levels of neonates 28 0/7 to 34 6/7 weeks gestation in order to assess hemolytic rate. Study design This is a prospective four-NICU study in Bangkok, Thailand, and Utah, USA. Results Of 226 attempted measurements, 92...

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Veröffentlicht in:	Journal of perinatology 2022-01, Vol.42 (1), p.116-120
Hauptverfasser:	Pakdeeto, Sasikarn, Christensen, Thomas R., Bahr, Timothy M., Gerday, Erick, Sheffield, Mark J., Christensen, Kyle S., Supapannachart, Sarayut, Nuntnarumit, Pracha, Sukwiset, Saranya, Ohls, Robin K., Christensen, Robert D.
Format:	Artikel
Sprache:	eng
Schlagworte:	692/53/2421 692/53/2422 692/699/1541 Birth Breath Tests Carbon monoxide Carbon Monoxide - analysis Female Gestation Hemolysis Humans Infant, Newborn Infant, Premature Intensive care Intervals Medicine Medicine & Public Health Neonatal care Neonates Newborn babies Pediatric Surgery Pediatrics Pregnancy Premature birth Prospective Studies Reference Values Thailand
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Zusammenfassung:	Objectives We constructed reference intervals for end-tidal carbon monoxide (ETCOc) levels of neonates 28 0/7 to 34 6/7 weeks gestation in order to assess hemolytic rate. Study design This is a prospective four-NICU study in Bangkok, Thailand, and Utah, USA. Results Of 226 attempted measurements, 92% were successful. Values from day 1 through 28 were charted and upper (>95th percentile) reference interval limits calculated. During the entire 28 days, the ETCOc upper reference intervals from babies in Bangkok were higher than those in Utah ( p 0.1). Similar to term neonates, preterm neonates in Bangkok and Utah had higher ETCOc values during the first 48 h after birth than thereafter ( p
ISSN:	0743-8346 1476-5543
DOI:	10.1038/s41372-021-01207-2