Related Experiment Video
Updated: Jul 3, 2026
08:23
Adaptation of Microelectrode Array Technology for the Study of Anesthesia-induced Neurotoxicity in the Intact Piglet Brain
Published on: May 12, 2018
Genotoxic effects of anesthetic agents
V Fodale1, S Mondello, C Aloisi
1University of Messina, Department of Neuroscience, Psychiatric and Anesthesiological Sciences, Messina, Italy. vfodale@unime.it
Expert Opinion on Drug Safety
|July 11, 2008
Summary
Exposure to anesthetics, particularly nitrous oxide and halogenated gases, may pose genotoxic risks. Further research is needed to understand long-term health effects in exposed individuals.
Area of Science:
- Anesthesiology
- Toxicology
- Genetics
Background:
- Preliminary research suggests anesthetics can negatively impact human health.
- Understanding the specific health risks associated with anesthetic exposure is crucial.
Purpose of the Study:
- To systematically review and synthesize evidence on the genotoxic effects of anesthetic exposure.
- To answer the question: What are the genotoxic risks for individuals exposed to anesthetics?
Main Methods:
- A comprehensive systematic literature review was conducted.
- Searches of major databases (Cochrane Library, MedLine, CINAHL) identified 212 abstracts.
- 54 high-quality articles were analyzed for general and genotoxic health effects.
Main Results:
- Evidence suggests a link between anesthetic exposure (nitrous oxide, halogenated gases) and genotoxic risks.
- Conflicting results were observed in the reviewed scientific literature.
- General health effects, including neurobehavioral and immunological impacts, were also assessed.
Conclusions:
- The reviewed literature indicates potential genotoxic risks associated with anesthetic exposure.
- Conflicting findings highlight the need for more robust scientific evidence.
- Further studies are essential, particularly focusing on individuals with prolonged exposure to anesthetics.
More Related Videos
Related Concept Videos
01:12Local Anesthetics: Adverse Effects
While local anesthetics are generally safe and well-tolerated, they can occasionally cause adverse effects that vary in severity. Local anesthetics can induce toxicity at two distinct levels. They can either produce local effects through direct contact with the neural elements or be absorbed into the bloodstream from the injection site, leading to systemic effects.
Once absorbed into the systemic circulation, local anesthetics can affect the organs that depend on the functioning of sodium...
Once absorbed into the systemic circulation, local anesthetics can affect the organs that depend on the functioning of sodium...
01:24Parenteral 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.
01:20Inhalational Anesthetics: Overview
Inhalation anesthetics are drugs that induce general anesthesia upon inhalation. They work by increasing the sensitivity of GABAA receptors or inhibiting NMDA receptors, leading to a decrease in central nervous system activity. The depth of anesthesia can be rapidly adjusted by changing the concentration of the inhaled gas. Some common examples of inhalational anesthetics include volatile liquids like isoflurane, desflurane, sevoflurane and gases like xenon and nitrous oxide. Isoflurane, a...
01:24General Anesthesia: Overview
Anesthesia is a medical procedure that uses drugs for CNS suppression to enable painless surgeries and procedures. The selection of anesthetics is influenced by their pharmacokinetic properties, side effects, and patient characteristics. Various types of anesthesia include general, local, regional, spinal, and inhalational.
General anesthesia induces unconsciousness in the whole body, while the others target specific areas or sensations. It is administered to minimize adverse effects, maintain...
General anesthesia induces unconsciousness in the whole body, while the others target specific areas or sensations. It is administered to minimize adverse effects, maintain...
01:24Drug Toxicity: Dose-Dependent Reactions
Drug toxicities can be stratified into pharmacological, pathological, or genotoxic based on their mechanisms. The incidence and severity of these toxicities generally increase with the drug's concentration in the body and exposure time.Pharmacological toxicity is evident when the therapeutic effects of drugs overshoot into adverse reactions in a predictable, dose-dependent manner. Central nervous system (CNS) depression from barbiturates is a classic example, with effects escalating from...
01:13Local 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...