Can Anesthesiologic Strategies for Caesarean Section Influence Newborn Jaundice?
De Amici D.a · Delmonte P.c · Martinotti L.b · Gasparoni A.b · Zizzi S.c · Ramajoli I.d · Ramajoli F.c
A Retrospective and Prospective Study
aDepartment of Clinical Epidemiology and Biometry-Scientific Direction; bResearch Laboratory Pediatric Onco Haematology and Neonatal Immunology; cDepartment of Anesthesiology and Critical Care Medicine II, and dDepartment of Biochemistry, IRCCS Policlinico San Matteo, Pavia, Italy
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Rationale and Objectives: Neonatal jaundice is a frequent problem in neonatology and can be influenced by many factors. Our study arose from the clinical observation that among all newborns delivered by caesarean section in our center, some had a more intense physiological jaundice. We began by reviewing clinical anesthesiological case-sheets to ascertain whether this difference was linked to the use of different anesthesiologic strategies. We then performed a prospective study on healthy preterm and term newborns to verify this hypothesis. Study Design: We retrospectively considered all healthy term newborns with weight >2,400 g delivered by caesarean section from January 1998 to May 1999. In the prospective studies we included healthy term and preterm newborns consecutively delivered by caesarean section from May 1999 to December 1999. We excluded preterm newborns with gestational age <31 weeks and with weight <1,400 g. Results: Both in retrospective and in prospective studies anesthetic agents employed were isoflurane (A), sevoflurane (B), or bupivacaine (C). The statistical comparison of the three groups in retrospective study confirmed the clinical observation: the total bilirubin levels were significantly higher in the isoflurane group than in the sevoflurane group (p = 0.0000) and bupivacaine group (p = 0.0002). Analysis of data from the prospective study on term newborns confirmed our previous results. In preterm infants total bilirubin is statistically higher in group A starting from 96 h postdelivery. Conclusions: It is likely that anesthetic technique can be included among factors with possible influence on neonatal jaundice.
© 2001 S. Karger AG, Basel
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