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Related Concept Videos

Parenteral Anesthetics: Overview01:24

Parenteral Anesthetics: Overview

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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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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...
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Synthetic and semisynthetic opioids are pivotal in pain management and tackling opioid addiction. Semisynthetic opioids, including morphinans (morphine derivatives), oxycodone, oxymorphone, hydrocodone, and hydromorphone, have improved pharmacokinetic profiles compared to morphine. Additionally, heroin and 6-MAM (6-Monoacetylmorphine) show better CNS penetration than morphine due to heightened lipid solubility. Hydromorphone, a potent opioid, undergoes hepatic metabolism to form the active...
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Local Anesthetics: Clinical Application as Epidural Anesthesia01:29

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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.
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General Anesthesia: Overview01:24

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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.
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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...
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[Remifentanil up2date - Part 2].

Stefan Bushuven, Sascha Kreuer, Peter Kranke

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    Remifentanil, a potent and controllable opioid, is crucial for short-term surgeries and pain management. Its use, especially with propofol for target-controlled infusions, offers superior control over opioid effects, benefiting patient recovery.

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    Area of Science:

    • Anesthesiology and Pharmacology
    • Pain Management and Opioid Research

    Background:

    • Remifentanil is a short-acting opioid known for high analgesic potency.
    • Its superior controllability makes it suitable for various clinical settings.
    • Widely used in day-case surgery, procedural sedation, and obstetrics.

    Purpose of the Study:

    • To highlight the clinical applications of remifentanil.
    • To discuss its use in target-controlled infusions (TCI), particularly with propofol.
    • To analyze patient group differences in remifentanil utilization.

    Main Methods:

    • Review of clinical applications and benefits of remifentanil.
    • Discussion of remifentanil-propofol target-controlled infusions.
    • Comparative analysis of remifentanil use across different patient demographics (details in the full article).

    Main Results:

    • Remifentanil provides excellent controllability of opioid effects.
    • It is effective in reducing recovery times.
    • The article details specific patient group differences in its application.

    Conclusions:

    • Remifentanil is a valuable anesthetic agent offering precise control.
    • Its application in TCI with propofol is a key area of use.
    • Understanding patient-specific responses is important for optimizing remifentanil therapy.