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Related Concept Videos

General Anesthesia: Overview01:24

General 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...
Stages of General Anesthesia01:22

Stages of General Anesthesia

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...
Parenteral Anesthetics: Overview01:24

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

Local Anesthetics: Clinical Application as Spinal Anesthesia

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

Local Anesthetics: Clinical Application as Epidural Anesthesia

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...
Inhalational Anesthetics: Overview01:20

Inhalational 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...

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Assessment of Thermal Damage from Robot-Drilled Craniotomy for Cranial Window Surgery in Mice
09:30

Assessment of Thermal Damage from Robot-Drilled Craniotomy for Cranial Window Surgery in Mice

Published on: November 11, 2022

Update on anesthesia for craniotomy.

Federico Bilotta1, Carolina Guerra, Giovanni Rosa

  • 1Department of Anesthesiology, Critical Care and Pain Medicine, Neuroanesthesia and Neurocritical Care, 'Sapienza' University of Rome, Rome, Italy.

Current Opinion in Anaesthesiology
|September 3, 2013
PubMed
Summary
This summary is machine-generated.

Anesthesia for craniotomy requires strict hemodynamic monitoring and fluid management. While ultra-short acting drugs offer limited recovery benefits, optimizing anesthesia improves pain control and surgical exposure for brain surgery patients.

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Area of Science:

  • Neuroanesthesia
  • Neurosurgery
  • Anesthesiology

Background:

  • Craniotomy requires specialized anesthetic management.
  • Anesthesia impacts intraoperative complications and patient recovery.

Purpose of the Study:

  • Update on anesthesia for craniotomy.
  • Review relationship between anesthesia and complications.
  • Discuss advances in neuroanesthesia education and research.

Main Methods:

  • Review of clinical reports (Jan 2012-Apr 2013).
  • Summarize recent findings on anesthesia for brain surgery.

Main Results:

  • Tight hemodynamic monitoring is crucial, preventing hypotension and arrhythmias.
  • Careful fluid and electrolyte balance is necessary.
  • Ultra-short acting anesthetics show limited benefit for early recovery.
  • Evidence guides prevention and treatment of postoperative pain, nausea, and vomiting.
  • New guidelines address neuroanesthesia training and research endpoints.

Conclusions:

  • Neuroanesthesia aims for unconsciousness, pain control, and recovery.
  • Anesthesia manipulates physiological variables for optimal surgical exposure.
  • Consider awake craniotomy as an alternative approach.