Vasopressin and copeptin levels in children with sepsis and septic shock

Jan Hau Lee1, Yoke Hwee Chan, Oi Fah Lai

  • 1Children's Intensive Care Unit, Department of Paediatric Subspecialties, KK Women's and Children's Hospital, 100 Bukit Timah Road, Singapore, 229899, Singapore. leejanhau@gmail.com

Intensive Care Medicine
|January 25, 2013
PubMed

Insights

In pediatric sepsis, vasopressin levels varied between groups, but neither vasopressin nor copeptin reliably indicated disease severity or outcomes in children with septic shock.

Area of Science:

  • Pediatric critical care medicine
  • Endocrinology
  • Sepsis research

Background:

  • Vasopressin and copeptin levels are not well-defined in pediatric sepsis.
  • Understanding these biomarkers is crucial for managing pediatric septic shock.

Purpose of the Study:

  • To compare serum vasopressin and copeptin levels in children with sepsis or septic shock versus healthy controls.
  • To investigate if vasopressin and copeptin levels correlate with disease severity and clinical outcomes in pediatric septic shock.

Main Methods:

  • Study included three groups: healthy children, children with sepsis, and children with septic shock.
  • Blood samples were collected at baseline and serially for up to 120 hours in the septic shock group.
  • Competitive immunoassays were used to measure vasopressin and copeptin concentrations.

Main Results:

  • Baseline vasopressin levels differed significantly among the three groups (p < 0.05).
  • No significant difference in baseline copeptin levels was observed between groups (p = 0.14).
  • Vasopressin and copeptin levels did not show differences in early versus late stages of pediatric septic shock.

Conclusions:

  • Baseline vasopressin levels showed variations across healthy children, sepsis, and septic shock groups.
  • Vasopressin and copeptin are not robust biomarkers for predicting severity or clinical outcomes in pediatric septic shock.
Abstract

Related Concept Videos

Drug Dosing: Infants and Children01:29

Drug Dosing: Infants and Children

Pediatric patient dosages diverge from adults due to disparities in body surface area, total body water, and extracellular fluid per kilogram of body weight. The dosing regimen considers the variations in pharmacokinetics and pharmacology across distinct age groups, encompassing preterm newborns, infants, young children, older children, and adolescents. Calculation of pediatric patient doses is predicated on determining body surface area, which exhibits a superior correlation with the child's...
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 Excretion01:26

Pharmacokinetics in Pediatric Patients: Drug Excretion

In pediatric medicine, understanding the renal function and drug elimination nuances is crucial for administering safe and effective treatments. Newborns, in particular, display markedly slower renal functions than adults, profoundly affecting how drugs are cleared from their bodies. This slower drug clearance requires clinicians to extend the dosing intervals for many medications to prevent drug accumulation and toxicity while ensuring therapeutic efficacy.One key area where these adjustments...
Acute Kidney Injury IV: Diagnostic Studies and Prevention01:30

Acute Kidney Injury IV: Diagnostic Studies and Prevention

Accurate diagnosis and effective prevention are critical in managing Acute Kidney Injury (AKI), which is linked to high mortality rates ranging from 10% to 80%. Timely recognition of at-risk patients and careful monitoring can significantly reduce the likelihood of kidney damage.Diagnostic Assessments:The diagnostic process starts with a comprehensive medical history to identify prerenal, intrarenal, and postrenal causes.Prerenal causes, such as dehydration, hypotension, or blood loss, should...
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...
Determination of Multiple Dosing Parameters: Steady-State, Minimum and Maximum Concentrations01:15

Determination of Multiple Dosing Parameters: Steady-State, Minimum and Maximum Concentrations

Gentamicin, an aminoglycoside antibiotic, is commonly administered via intermittent intravenous infusion to treat severe infections. An intermittent one-hour infusion of gentamicin, administered at eight-hour intervals, allows for precise control of plasma drug concentrations, minimizing toxicity while ensuring therapeutic efficacy. Pharmacokinetic principles govern the dynamics of plasma concentrations and can be mathematically described using specific equations.The plasma drug concentration...