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Related Concept Videos

General Anesthesia: Overview01:24

General Anesthesia: Overview

280
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...
280
Stages of General Anesthesia01:22

Stages of General Anesthesia

655
Various sedation levels offer significant advantages in facilitating procedural interventions for patients undergoing medical or invasive surgical procedures. These levels span from anxiolysis to general anesthesia, providing a spectrum of sedative effects to cater to specific patient needs. Anxiolysis reduces anxiety and is achieved through minimal sedation, enabling patients to remain awake and responsive while feeling more at ease during the procedure. This level can benefit minor...
655
Parenteral Anesthetics: Overview01:24

Parenteral Anesthetics: Overview

191
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.
191
Inhalational Anesthetics: Overview01:20

Inhalational Anesthetics: Overview

482
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...
482
Local Anesthetics: Clinical Application as Spinal Anesthesia01:11

Local Anesthetics: Clinical Application as Spinal Anesthesia

745
Spinal anesthetics are given during lower abdomen and limb surgeries to block sensory and motor neurons. They are administered in the mid to low lumbar regions, primarily acting on the cauda equina's nerve roots. The blockade level depends on the local anesthetic (LA) concentration. Usually, low LA concentrations are sufficient to block sensory fibers, while only high LA concentrations block motor fibers. Other factors like injection volume and speed, the patient's posture, and the drug...
745
Local Anesthetics: Clinical Application as Epidural Anesthesia01:29

Local Anesthetics: Clinical Application as Epidural Anesthesia

492
Epidural anesthetics are administered in the fat-filled epidural space, the outermost part of the spinal canal. This technique is commonly employed for pain management and anesthesia during lower abdomen and pelvis surgeries or labor and delivery.
Since epidural anesthetics can be infused through an epidural catheter, all types of drugs, including short-acting ones, can be administered. Chloroprocaine and lidocaine are examples of short and long-duration anesthetics, respectively. Bupivacaine...
492

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Related Experiment Video

Updated: Sep 3, 2025

Recording Brain Electromagnetic Activity During the Administration of the Gaseous Anesthetic Agents Xenon and Nitrous Oxide in Healthy Volunteers
14:52

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General Anesthesia as a Multimodal Individualized Clinical Concept.

Alexandru Florin Rogobete1,2, Dorel Sandesc1,2

  • 1Department of Anaesthesia and Intensive Care, "Victor Babes" University of Medicine and Pharmacy, 300041 Timisoara, Romania.

Medicina (Kaunas, Lithuania)
|July 27, 2022
PubMed
Summary

Modern multimodal monitoring techniques enhance patient safety during general anesthesia by optimizing anesthetic drug dosages and reducing complications. This leads to improved patient comfort, shorter recovery times, and increased satisfaction.

Keywords:
bispectral indexelectroencefalographyentropygeneral anesthesiamultimodal monitoring

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Area of Science:

  • Anesthesiology and Perioperative Medicine
  • Medical Technology and Patient Monitoring

Background:

  • Development of advanced techniques for continuous vital sign monitoring in patients under general anesthesia.
  • These methods supplement traditional monitoring protocols to enhance surgical patient safety.

Discussion:

  • Multimodal monitoring aims to prevent anesthetic drug over- or underdosing.
  • It facilitates precise adaptation of anesthetic agent concentrations.
  • Key goals include reducing post-anesthetic complications and improving patient comfort.

Key Insights:

  • Studies show reduced incidence of nausea and vomiting.
  • Shorter anesthetic reversal times and decreased opioid consumption are observed.
  • Benefits include shorter hospital stays and increased patient satisfaction.

Outlook:

  • Further integration of advanced monitoring technologies in anesthesia practice.
  • Potential for enhanced perioperative care and patient outcomes.
  • Continued research into optimizing multimodal strategies for diverse surgical settings.