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Related Concept Videos

Inhalational Anesthetics: Overview01:20

Inhalational Anesthetics: Overview

266
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...
266
Parenteral Anesthetics: Overview01:24

Parenteral Anesthetics: Overview

119
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.
119
Drug Delivery: Enteral Route01:18

Drug Delivery: Enteral Route

422
The enteral drug administration involves three primary routes: oral, sublingual, and buccal. Oral ingestion is the most prevalent, safe, economical, and convenient method for drug administration. However, it has certain drawbacks, including limited absorption due to the drug's low water solubility or poor membrane permeability, possible emesis from GI mucosa irritation, destruction of drugs by digestive enzymes or low gastric pH, and irregular absorption along with food or other drugs.
422
Skeletal Muscle Relaxants: Therapeutic Uses01:31

Skeletal Muscle Relaxants: Therapeutic Uses

481
Skeletal muscle relaxants are used to relax muscle tone and alleviate painful muscle contractions. However, the choice of skeletal muscle relaxants depends on the duration of the surgical procedure in order to minimize potential side effects. Skeletal muscle relaxants like neuromuscular blocking agents [NMBAs] are commonly employed as adjuvants alongside general anesthetics in clinical settings. NMBAs are also used to maintain controlled ventilation during surgery of the larynx or pharynx...
481
Inhaled Medications01:23

Inhaled Medications

252
Inhaled medications are crucial for managing chronic obstructive pulmonary disease (COPD) and asthma. They are essential for effective treatment and control, ensuring optimal respiratory health and well-being. Inhaled medication delivers drugs directly to the lungs, providing a rapid onset of action and reducing systemic side effects compared to oral or injectable medications. Three primary types of inhalation devices are used to administer these medications: nebulizers, metered-dose inhalers...
252
Administering Oxygen by Nasal Cannula01:29

Administering Oxygen by Nasal Cannula

524
Oxygen therapy is critical to patient care, especially for those struggling with respiratory issues. This intervention increases the oxygen concentration in the lungs, enhancing the amount of oxygen transported to the body's tissues. One standard method of delivering supplemental oxygen is through a nasal cannula, a non-invasive device that provides low to medium oxygen concentrations.
Nasal Cannulas
A nasal cannula is a lightweight tube split into two prongs placed in the nostrils,...
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Inhaled methoxyflurane - an explorable alternative to nitrous oxide?

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Methoxyflurane may be an effective, eco-friendly dental sedation alternative to nitrous oxide. Further research is needed to establish its use and benefits in dentistry for anxious patients.

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Area of Science:

  • Dentistry
  • Pharmacology
  • Environmental Science

Background:

  • Nitrous oxide is a common dental inhalation sedation with a good safety profile.
  • Nitrous oxide has environmental drawbacks and requires specialized equipment.
  • Methoxyflurane is used in emergency medicine for analgesia and anxiolysis.

Purpose of the Study:

  • To explore methoxyflurane as a potential alternative to nitrous oxide for dental inhalation sedation.
  • To assess the potential benefits and limitations of methoxyflurane in dentistry.

Main Methods:

  • Literature review on nitrous oxide and methoxyflurane in medical and dental contexts.
  • Analysis of existing evidence regarding methoxyflurane's efficacy and safety.
  • Identification of research gaps in dental applications of methoxyflurane.

Main Results:

  • Nitrous oxide is widely used but has environmental concerns.
  • Methoxyflurane shows promise for analgesia and anxiolysis in outpatient settings.
  • Limited evidence currently exists for methoxyflurane's use in dental sedation.

Conclusions:

  • Methoxyflurane could be an effective and environmentally friendly alternative to nitrous oxide in dentistry.
  • Further research is essential to build a robust evidence base for methoxyflurane in dental sedation.
  • Establishing methoxyflurane's role could improve patient comfort and reduce environmental impact.