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Updated: Jun 12, 2026

An Efficient Sieving Method to Isolate Intact Glomeruli from Adult Rat Kidney
Published on: November 1, 2018
Renal glomerular and tubular function in neonates with perinatal problems
Paraskevi Theocharis1, Vasileios Giapros, Zoe Tsampoura
1Neonatal Intensive Care Unit, University of Ioannina, Ioannina, Greece.
Perinatal factors like stress and aminoglycoside treatment can impair kidney function in newborns. Jaundice also impacts potassium excretion, warranting further study in neonatal renal health.
Area of Science:
- Neonatal Medicine
- Pediatric Nephrology
- Perinatal Research
Background:
- Neonatal kidney function is crucial for overall health.
- Identifying perinatal risk factors for impaired renal function is essential for early intervention.
Purpose of the Study:
- To investigate perinatal risk factors associated with impaired renal function in neonates within the first two weeks of life.
Main Methods:
- Retrospective analysis of 150 neonates (gestational age 34-36 weeks) and 494 neonates (gestational age > 36 weeks).
- Evaluation of clinical risk factors and renal function indices including serum creatinine, fractional excretion of sodium and potassium, and urinary calcium to creatinine ratio.
- Utilized multiple and logistic regression analysis to identify associations.
Main Results:
- In term neonates, perinatal stress and aminoglycoside treatment duration were linked to elevated serum creatinine.
- Jaundice correlated with fractional excretion of potassium, while aminoglycoside treatment duration was associated with fractional excretion of sodium.
- Neonates with hypoxic-ischemic encephalopathy and aminoglycoside exposure showed an 80% increased odds ratio for impaired serum creatinine.
- In preterm neonates (34-36 weeks GA), perinatal stress, jaundice, aminoglycoside administration, and antenatal steroid treatment were associated with renal function markers.
Conclusions:
- Neonatal renal impairment is multifactorial, with additive effects from various perinatal factors.
- The significant negative relationship between jaundice and potassium excretion requires further investigation.
- Understanding these perinatal influences can guide strategies to protect neonatal kidney health.
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