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Related Concept Videos

Allergic Reactions: Anaphylaxis01:30

Allergic Reactions: Anaphylaxis

Anaphylaxis is a severe, life-threatening hypersensitivity reaction mediated by Immunoglobulin E (IgE) antibodies. When IgE binds to allergens, it triggers the release of mediators– histamine, leukotrienes, and prostaglandins from mast cells and basophils. These mediators cause vasodilation, edema, and inflammation, leading to various symptoms.The primary allergens causing anaphylaxis include food items (e.g., peanuts, shellfish), drugs (e.g., penicillin, asparaginase, corticotropin, heparin),...
Allergic Reactions02:06

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Local Anesthetics: Clinical Application as Epidural Anesthesia01:29

Local Anesthetics: Clinical Application as Epidural Anesthesia

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Parenteral Anesthetics: Overview01:24

Parenteral Anesthetics: Overview

Intravenous anesthetics are drugs administered parenterally to induce anesthesia or sedation. Propofol is a widely used agent formulated as a 1% emulsion in soybean oil, glycerol, and egg phosphatide. It induces rapid anesthesia primarily due to its rapid distribution from the bloodstream to target tissues and is metabolized in the liver. However, it can cause significant pain on injection and hypertriglyceridemia. Fospropofol, a water-based prodrug of propofol, lacks these adverse effects.
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Local Anesthetics: Pharmacokinetics01:13

Local Anesthetics: Pharmacokinetics

The potency and duration of action of local anesthetics (LAs) are determined by their pharmacokinetics. Pharmacokinetics describes how LAs are absorbed, distributed, metabolized, and eliminated from the body. When administered to the vascular tissues, LAs are quickly absorbed and enter the systemic circulation, reducing their localized effects. Adding vasoconstrictors such as epinephrine to LAs reduces their absorption into the systemic circulation, making them clinically effective. The...

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Related Experiment Video

Updated: May 28, 2026

Measuring Local Anaphylaxis in Mice
07:49

Measuring Local Anaphylaxis in Mice

Published on: October 14, 2014

Perioperative anaphylaxis: epidemiology.

S Caimmi1, D Caimmi, R Bernardini

  • 1Department of Pediatrics, University of Pavia, Italy. sissi_del-78@hotmail.com

International Journal of Immunopathology and Pharmacology
|October 22, 2011
PubMed
Summary
This summary is machine-generated.

Diagnosing anesthesia-related hypersensitivity reactions is challenging. Perioperative anaphylaxis is increasingly common but its exact incidence is poorly defined due to varied study populations and definitions.

Related Experiment Videos

Last Updated: May 28, 2026

Measuring Local Anaphylaxis in Mice
07:49

Measuring Local Anaphylaxis in Mice

Published on: October 14, 2014

Area of Science:

  • Anesthesiology
  • Clinical Immunology

Background:

  • Immediate hypersensitivity reactions during anesthesia pose diagnostic challenges for clinicians.
  • These reactions, including anaphylaxis, can lead to severe cardiovascular or airway compromise, with or without skin symptoms.
  • Anesthesia-related hypersensitivity reactions contribute significantly to patient morbidity, mortality, and healthcare costs.

Purpose of the Study:

  • To highlight the diagnostic difficulties associated with anesthesia-related immediate hypersensitivity reactions.
  • To underscore the clinical significance and increasing prevalence of perioperative anaphylaxis.
  • To address the limitations in current epidemiological data regarding the incidence of drug hypersensitivity during anesthesia.

Main Methods:

  • Review of clinical presentations of anaphylaxis during anesthesia.
  • Analysis of factors contributing to the increasing incidence of perioperative anaphylaxis.
  • Evaluation of existing epidemiological studies on drug hypersensitivity in anesthesia.

Main Results:

  • Clinical diagnosis of anesthesia-related hypersensitivity is complex, with varied presentations.
  • Perioperative anaphylaxis is rising due to increased anesthesia use and drug complexity.
  • Current data on incidence is unreliable due to non-homogeneous study populations and differing definitions of drug hypersensitivity.

Conclusions:

  • Accurate diagnosis of immediate hypersensitivity reactions in anesthesia requires careful clinical assessment.
  • The increasing incidence of perioperative anaphylaxis necessitates further research and standardized diagnostic criteria.
  • Improved epidemiological studies with consistent definitions are crucial for understanding the true burden of drug hypersensitivity in anesthesia.