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Related Concept Videos

Pharmacokinetics in Pediatric Patients: Drug Distribution01:17

Pharmacokinetics in Pediatric Patients: Drug Distribution

Drug distribution in the pediatric population exhibits unique challenges and considerations due to the physiological differences between children, particularly neonates and infants, and adults. A crucial aspect of pediatric pharmacology is understanding how these differences impact the pharmacokinetics of various drugs, necessitating age-specific dosing strategies to ensure efficacy and safety.Neonates and infants have a higher total body water content, ~75%–90% of their body weight, compared...
Pharmacokinetics in Pediatric Patients: Drug Metabolism01:24

Pharmacokinetics in Pediatric Patients: Drug Metabolism

In pediatric care, understanding the nuances of hepatic drug metabolism is crucial, as it significantly differs from that of adults. This divergence is primarily due to the developmental stage of drug-metabolizing enzymes, which affects how medications are processed in the body. In neonates, for instance, the activity of Phase I enzymes—critical for the initial breakdown of drugs—is markedly reduced, functioning at just 20–40% of the levels seen in adults. This reduction poses a challenge in...

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Transcutaneous Microcirculatory Imaging in Preterm Neonates
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Phototherapy, Morbidity, and Mortality in Very Preterm Newborns.

Emöke Deschmann1,2, Stellan Håkansson3, Jonas Söderling4

  • 1Department of Women's and Children's Health, Karolinska Institutet, Stockholm, Sweden.

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|May 21, 2026
PubMed
Summary

Phototherapy for hyperbilirubinemia in preterm infants did not increase mortality. However, prolonged treatment (6-7 days) was linked to higher rates of neonatal morbidity, suggesting caution is needed.

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Area of Science:

  • Neonatal care
  • Pediatric phototherapy
  • Neonatal jaundice management

Background:

  • Phototherapy is crucial for preventing brain damage from hyperbilirubinemia in preterm newborns.
  • Concerns exist regarding the safety of phototherapy in this vulnerable population.

Purpose of the Study:

  • To investigate the association between phototherapy duration and neonatal mortality or morbidity in preterm infants.
  • To assess the safety of phototherapy for very preterm newborns.

Main Methods:

  • A population-based cohort study using the Swedish Neonatal Quality Register.
  • Included preterm infants (22-31 weeks gestation) treated between 2015-2024.
  • Analyzed phototherapy duration (0-3, 4-5, 6-7 days) against late neonatal mortality and composite morbidity outcomes.

Main Results:

  • No association found between phototherapy duration and late neonatal mortality.
  • Prolonged phototherapy (4-7 days) was associated with increased odds of severe neonatal morbidity (aOR 1.29-1.66).
  • Higher rates of intraventricular hemorrhage and severe bronchopulmonary dysplasia were noted with longer phototherapy durations.

Conclusions:

  • Phototherapy duration was not linked to increased mortality in very preterm newborns.
  • Prolonged phototherapy (≥4 days) should be approached cautiously due to increased morbidity risks.
  • Avoidance of prolonged phototherapy is recommended for very preterm infants.