Is there any relationship between hyperbilirubinemia and pelvicaliceal dilatation in newborn babies?

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dc.contributor.authorAkil T.
dc.contributor.authorAvci M.
dc.contributor.authorOzturk C.
dc.contributor.authorAkil I.
dc.contributor.authorKavukcu S.
dc.date.accessioned2024-07-22T08:20:25Z
dc.date.available2024-07-22T08:20:25Z
dc.date.issued2011
dc.description.abstractObjective: A recent study reported association of high bilirubin concentrations with decrease in basal vesical tonicity and relaxation of pre-contracted ureteral and vesical smooth muscles in vitro, and authors discussed that recovery of antenatal hydronephrosis might partly be associated with decreased bladder resistance to the urine flow due to hyperbilirubinemia. We aimed to investigate whether any relationship between serum bilirubin levels and antero-posterior renal pelvic diameters or pelvicaliceal dilatations exist during newborn period.Methods: Neonates with hyperbilirubinemia (group 1) and healthy neonates (group 2) were randomly selected to the study. Capillary blood samples were used to measure micro-bilirubin. Urinary system ultrasound (US) was performed in both groups by an experienced radiologist.Findings: Group 1 (31 neonates, 16 males, 15 females) and group 2 (22 neonates, 11 males, 11 females) were identical by means of postnatal age, gender and weight (P>0.05). Mean serum bilirubin levels were 11.1±3.1 mg/dl and 1.4±0.2 mg/dl in group 1 and 2, respectively. Renal length and renal pelvis antero-posterior (AP) diameters were not different between study groups. Pelvis AP diameters of right kidney were 2.1+0.7 mm in group 1 and 1.9+0.7 mm in group 2, and of left kidney were 2.4±0.8 mm in group 1 and 2.3±0.6 mm in group 2. There was no correlation between bilirubin levels and renal length and renal pelvis AP diameters (P>0.05).Conclusion: In this study we were not able to demonstrate any relationship between serum bilirubin levels and renal pelvic diameters and pelvicaliceal dilatation in hyperbilirubinemic neonates. So, it is thought that hyperbilirubinemia might not have a direct effect on outcome of the pelvicaliceal dilatation. © 2011 by Pediatrics Center of Excellence, Children's Medical Center, Tehran University of Medical Sciences, All rights reserved.
dc.identifier.issn10184406
dc.identifier.urihttp://akademikarsiv.cbu.edu.tr:4000/handle/123456789/18155
dc.language.isoEnglish
dc.publisherBrieflands
dc.subjectbilirubin
dc.subjectage
dc.subjectanterior posterior axis
dc.subjectarticle
dc.subjectbilirubin blood level
dc.subjectbody weight
dc.subjectcapillary blood
dc.subjectclinical article
dc.subjectcontrolled study
dc.subjectdisease association
dc.subjectechography
dc.subjectfemale
dc.subjectgender
dc.subjecthuman
dc.subjecthydronephrosis
dc.subjecthydroureter
dc.subjectkidney agenesis
dc.subjectkidney disease
dc.subjectkidney pelvis
dc.subjectkidney size
dc.subjectmale
dc.subjectnewborn
dc.subjectnewborn jaundice
dc.subjectpelvicaliceal dilatation
dc.titleIs there any relationship between hyperbilirubinemia and pelvicaliceal dilatation in newborn babies?
dc.typeArticle

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