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Related Concept Videos

General Anesthesia: Overview01:24

General Anesthesia: Overview

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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.
General anesthesia induces unconsciousness in the whole body, while the others target specific areas or sensations. It is administered to minimize adverse effects, maintain...
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Parenteral Anesthetics: Overview01:24

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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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Local Anesthetics: Clinical Application as Epidural Anesthesia01:29

Local Anesthetics: Clinical Application as Epidural Anesthesia

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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.
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...
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Epilepsy and Seizures: Overview01:24

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Epilepsy is a chronic neurological disease marked by recurrent, unpredictable seizures. These seizures are caused by abnormal electrical discharges in the brain, leading to behavior, sensation, or consciousness alterations. They can also cause transient impairment of awareness, interfering with daily activities.
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Local Anesthetics: Clinical Application as Spinal Anesthesia01:11

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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...
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Stages of General Anesthesia01:22

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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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Updated: Apr 6, 2026

Stereo-Electro-Encephalo-Graphy SEEG With Robotic Assistance in the Presurgical Evaluation of Medical Refractory Epilepsy: A Technical Note
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Anesthesia considerations in epilepsy surgery.

Anita Shetty1, Swarada Pardeshi2, Viraj M Shah2

  • 1Neuroanesthesia Fellowship Programme, Department of Anesthesia, Seth GS Medical College & KEM Hospital, Mumbai, India.

International Journal of Surgery (London, England)
|July 19, 2015
PubMed
Summary

Epilepsy surgery can be performed under general anesthesia, offering comfort for patients and surgeons. However, awake craniotomy is preferred for intraoperative electrocorticography (ECoG) or cortical mapping during temporal lobe epilepsy surgery.

Keywords:
Anesthesia managementAwake craniotomyElectrocorticographyEpilepsy surgery

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Area of Science:

  • Neurosurgery
  • Anesthesiology
  • Epileptology

Background:

  • Epilepsy surgery offers curative potential but requires careful anesthetic management.
  • Anesthetic choices impact surgical procedures, particularly those involving brain mapping.
  • General anesthesia is commonly used, but specific procedures may necessitate modifications.

Purpose of the Study:

  • To review anesthetic techniques for epilepsy surgery.
  • To discuss the implications of anesthesia depth on surgical outcomes.
  • To highlight the role of awake craniotomy in specific epilepsy surgeries.

Main Methods:

  • Review of anesthetic strategies in epilepsy surgery.
  • Comparison of general anesthesia versus local anesthesia with sedation.
  • Consideration of intraoperative requirements like electrocorticography (ECoG) and cortical mapping.

Main Results:

  • General anesthesia is suitable for many epilepsy surgeries, including those with preoperative localization.
  • Reduced anesthetic depth is crucial for patients undergoing cortical mapping or ECoG.
  • Awake craniotomy is the preferred technique for intraoperative ECoG or cortical mapping.

Conclusions:

  • Anesthetic management in epilepsy surgery should be tailored to the specific procedure.
  • General anesthesia offers patient and surgeon comfort and is viable with modern localization techniques.
  • Awake craniotomy remains essential for procedures requiring direct cortical assessment.