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Related Concept Videos

Pharmacokinetics in Pediatric Patients: Drug Metabolism01:24

Pharmacokinetics in Pediatric Patients: Drug Metabolism

147
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...
147
Inborn Errors of Metabolism01:20

Inborn Errors of Metabolism

645
Phenylketonuria (PKU) is a protein metabolism disorder characterized by high blood levels of the amino acid phenylalanine. This results from a mutation in the gene responsible for phenylalanine hydroxylase, an enzyme that converts phenylalanine into tyrosine. When this enzyme is deficient, phenylalanine builds up in the blood, leading to symptoms such as vomiting, rashes, seizures, growth deficiency, and severe mental retardation. An early diagnosis and a diet restricting phenylalanine intake...
645
Pharmacokinetics in Pediatric Patients: Drug Excretion01:26

Pharmacokinetics in Pediatric Patients: Drug Excretion

160
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...
160
Acute Respiratory Failure-V01:29

Acute Respiratory Failure-V

384
The treatment for acute respiratory failure varies based on factors like the underlying cause, overall health, and severity. A collaborative healthcare team is essential for early detection, often through arterial blood gas analysis. Identifying the cause is the primary goal, with treatment strategies adjusted for ventilation/perfusion (V/Q) mismatch, shunting, or diffusion impairment.
Ensure that patients are monitored continuously for their response to therapy, including changes in...
384
Pharmacokinetics in Pediatric Patients: Overview and Drug Absorption01:23

Pharmacokinetics in Pediatric Patients: Overview and Drug Absorption

186
Understanding the physiological differences in the pediatric population is crucial for effective pharmacotherapy. Neonates, infants, and children exhibit significant variations in gastric pH, gastric emptying time, intestinal transit time, and biliary function. These variations profoundly affect oral drug absorption, necessitating a nuanced approach to pediatric dosing.Neonates present with a unique physiological profile, having a gastric pH greater than 4 and faster and more irregular gastric...
186
Hypoglycemia and Glucagon01:15

Hypoglycemia and Glucagon

735
Without prolonged fasting, healthy individuals maintain blood glucose levels above 3.5 mM due to a well-adapted neuroendocrine counterregulatory system that effectively prevents acute hypoglycemia, a potentially life-threatening condition. The primary clinical scenarios for hypoglycemia encompass diabetes treatment, inappropriate production of endogenous insulin or insulin-like substances by tumors, and the use of glucose-lowering agents in non-diabetic individuals. Notably, hypoglycemia in the...
735

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Related Experiment Video

Updated: Dec 29, 2025

How to Administer Near-Infrared Spectroscopy in Critically ill Neonates, Infants, and Children
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Neonatal Metabolic Crises: A Practical Approach.

Katie B Williams1, Patrice K Held2, Jessica Scott Schwoerer3

  • 1Department of Pediatrics, University of Wisconsin Hospital and Clinics, 1500 Highland Avenue, Madison, WI 53705, USA.

Clinics in Perinatology
|February 1, 2020
PubMed
Summary
This summary is machine-generated.

Metabolic disorders in newborns can cause crises, sometimes with normal initial lab results. Treatment involves high glucose infusions and specialized testing to identify and manage these critical conditions.

Keywords:
CrisisMetabolic disorderNeonateNewborn

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Area of Science:

  • Biochemistry
  • Neonatology
  • Genetics

Background:

  • Metabolic disorders disrupt nutrient metabolism, potentially causing severe neonatal crises.
  • Initial laboratory findings like hypoglycemia or acidosis may be normal, complicating diagnosis.
  • Certain nutrients in breast milk or formula can trigger metabolic decompensation.

Purpose of the Study:

  • To summarize the presentation and initial management of neonatal metabolic disorders.
  • To highlight the diagnostic challenges and the need for advanced testing.
  • To outline immediate therapeutic strategies for suspected cases.

Main Methods:

  • Review of clinical presentations and diagnostic approaches for metabolic disorders.
  • Discussion of biochemical and molecular testing strategies.
  • Analysis of immediate management protocols, including nutritional support.

Main Results:

  • Metabolic disorders present with varied clinical signs, sometimes without clear initial biochemical abnormalities.
  • Nutrient-specific triggers necessitate temporary cessation of milk-based feeding during acute illness.
  • High glucose infusion rates are crucial for reversing catabolism in affected infants.

Conclusions:

  • Early recognition and prompt intervention are vital for managing neonatal metabolic crises.
  • Advanced biochemical and molecular diagnostics are essential for accurate identification of specific disorders.
  • Tailored treatment, including nutritional management and glucose support, improves outcomes.