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Related Concept Videos

Parenteral Anesthetics: Overview01:24

Parenteral Anesthetics: Overview

211
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.
211
Inhalational Anesthetics: Overview01:20

Inhalational Anesthetics: Overview

543
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...
543
General Anesthesia: Overview01:24

General Anesthesia: Overview

307
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...
307
Local Anesthetics: Clinical Application as Epidural Anesthesia01:29

Local Anesthetics: Clinical Application as Epidural Anesthesia

509
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...
509
Stages of General Anesthesia01:22

Stages of General Anesthesia

743
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...
743
Local Anesthetics: Clinical Application as Spinal Anesthesia01:11

Local Anesthetics: Clinical Application as Spinal Anesthesia

816
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...
816

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Propofol: A Medication That Changed Pediatric Anesthesia Practice.

Brian J Anderson1, L Ignacio Cortinez2

  • 1Department of Anaesthesiology, University of Auckland, Auckland, New Zealand.

Paediatric Anaesthesia
|June 21, 2025
PubMed
Summary
This summary is machine-generated.

Propofol revolutionized pediatric anesthesia, enabling target-controlled infusions and improved safety through pharmacokinetic-pharmacodynamic modeling. Its development serves as a model for future intravenous anesthetic research and use.

Keywords:
TIVAanesthesiaintravenouspediatricspharmacodynamicspharmacokineticspropofoltarget‐controlled infusion

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Area of Science:

  • Anesthesiology
  • Pediatric Pharmacology
  • Intravenous Drug Development

Background:

  • Propofol's introduction significantly advanced pediatric anesthesia.
  • It spurred research into intravenous drug administration and infusion pump technology.
  • Its development provides a framework for other intravenous anesthetic agents.

Purpose of the Study:

  • To review the impact of propofol on pediatric anesthesia.
  • To highlight the development of target-controlled infusion strategies.
  • To discuss the role of pharmacokinetics, pharmacodynamics, and covariates in propofol use.

Main Methods:

  • Review of propofol's historical development and clinical application.
  • Analysis of pharmacokinetic-pharmacodynamic (PK-PD) modeling and covariate influences.
  • Examination of electroencephalogram (EEG) signal processing for anesthesia depth monitoring.

Main Results:

  • Propofol enabled precise anesthesia delivery via target-controlled infusions.
  • Processed EEG signals clarified the relationship between propofol concentration and effect.
  • Studies in diverse pediatric populations (neonates, critically ill, obese) refined understanding of covariate effects.

Conclusions:

  • Propofol's development exemplifies successful intravenous anesthetic research and application.
  • Target-controlled infusions, informed by PK-PD data, are central to modern anesthesia.
  • Environmental considerations may favor intravenous over inhalational agents for anesthesia maintenance.