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Related Experiment Videos

Delayed toxidromes.

G M Bosse1, N J Matyunas

  • 1Department of Emergency Medicine, University of Louisville and Kentucky Regional Poison Center, 40292, USA.

The Journal of Emergency Medicine
|August 4, 1999
PubMed
Summary
This summary is machine-generated.

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Certain toxins cause delayed clinical effects hours after exposure. This review categorizes agents and mechanisms of delayed-onset toxicity, highlighting varied scientific evidence.

Area of Science:

  • Toxicology
  • Pharmacology
  • Environmental Health

Background:

  • Clinical manifestations of some toxic exposures are not immediate.
  • Delayed-onset toxicity presents unique diagnostic and management challenges.

Purpose of the Study:

  • To review agents causing delayed-onset toxicity.
  • To categorize these agents and their mechanisms.
  • To discuss the varying scientific evidence for delayed effects.

Main Methods:

  • Literature review of toxins with delayed clinical manifestations.
  • Classification of agents into four groups: pharmaceuticals, biologicals, pharmaceutical dosage forms, and chemicals.
  • Identification of five primary mechanisms for delayed toxicity.

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Main Results:

  • Agents causing delayed toxicity are diverse, spanning pharmaceuticals, biologicals, dosage forms, and chemicals.
  • Key mechanisms include delayed absorption, distribution, metabolism, and cellular/organ capacity effects, with some mechanisms remaining unknown.
  • The strength of scientific evidence supporting delayed-onset effects differs significantly across individual toxins.

Conclusions:

  • Understanding delayed-onset toxicity is crucial for effective patient management.
  • Categorization aids in identifying potential risks and understanding underlying mechanisms.
  • Further research is needed to strengthen the evidence base for various delayed-acting toxins.