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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...
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...
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 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...

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Intra-Operative Behavioral Tasks in Awake Humans Undergoing Deep Brain Stimulation Surgery
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Intra-Operative Behavioral Tasks in Awake Humans Undergoing Deep Brain Stimulation Surgery

Published on: January 6, 2011

'Anesthesia' for awake neurosurgery.

Federico Bilotta1, Giovanni Rosa

  • 1Department of Anesthesiology, Critical Care and Pain Medicine, 'Sapienza' University of Rome, Rome, Italy. bilotta@tiscali.it

Current Opinion in Anaesthesiology
|July 23, 2009
PubMed
Summary
This summary is machine-generated.

This review examines modern anesthetic strategies for patients undergoing awake brain surgery, focusing on how to safely manage sedation, breathing, and pain during procedures involving sensitive brain areas.

Keywords:
neuroanesthesiaawake surgerysedation protocolsperioperative care

Frequently Asked Questions

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Area of Science:

  • Clinical neuroanesthesia and perioperative medicine
  • Advanced techniques in awake craniotomy management

Background:

No consensus exists regarding the optimal anesthetic framework for patients undergoing awake brain surgery. Prior research has shown that functional neurosurgery and tumor resections near eloquent cortex are becoming more frequent. That uncertainty drove the need for a structured clinical approach to manage these complex cases. It was already known that awake craniotomy requires a fully cooperative patient throughout the procedure. This gap motivated a closer look at current anesthetic practices and potential complications. While hospital stays are often shorter, recent data highlight various perioperative risks that clinicians must address. No prior work had resolved the best way to integrate sedation and airway management for these specific patients. This review synthesizes current evidence to improve safety and patient outcomes during these delicate operations.

Purpose Of The Study:

The aim of this review is to establish a structured approach to the clinical practice of anesthetic management for awake neurosurgery. This study addresses the growing need for standardized protocols as indications for awake craniotomy expand. The authors seek to synthesize recent findings regarding the anesthetic care of patients undergoing these complex procedures. A primary motivation is to mitigate perioperative complications that have been highlighted in recent literature. The researchers intend to provide clear guidance on technical strategies including scalp blockade and airway management. This work also explores the specific requirements for maintaining a fully cooperative patient during brain surgery. By examining evidence from both adult and pediatric cases, the study clarifies the principles of neuroanesthesia. The ultimate goal is to improve the safety and efficacy of anesthetic techniques for these delicate neurosurgical interventions.

Main Methods:

The review approach involves a systematic synthesis of recent literature concerning anesthetic management for awake brain surgery. Investigators evaluated current clinical practices to identify common perioperative complications and safety challenges. The authors examined evidence from both adult and pediatric cohorts to broaden the scope of their analysis. This methodology focused on integrating technical strategies like scalp blockade and advanced airway control. Researchers assessed dedicated sedation protocols to determine their efficacy in maintaining patient cooperation. The study design prioritized the identification of best practices for hemodynamic monitoring during these procedures. By reviewing recent publications, the team established a structured framework for clinical application. This analytical process provides a comprehensive overview of the principles underlying modern neuroanesthesia.

Main Results:

Key findings from the literature indicate that awake craniotomy is generally a well-tolerated procedure when managed with expert oversight. Recent studies highlight that perioperative anesthetic complications remain a significant concern for clinical teams. The literature suggests that expanding indications for functional neurosurgery have increased the demand for these specialized techniques. Evidence shows that tumor resection near eloquent cortex requires a fully cooperative patient throughout the surgical process. The authors report that specific technical strategies, such as scalp blockade, are effective for managing patient comfort. Data indicate that dedicated sedation protocols are necessary to balance patient alertness and surgical conditions. The review reveals that skillful hemodynamic management is a cornerstone of safe anesthetic practice. Findings confirm that refined techniques can improve outcomes for both adult and pediatric patients undergoing these operations.

Conclusions:

The authors propose a structured framework for managing patients during awake neurosurgical procedures. This synthesis suggests that expert anesthetic oversight is vital for maintaining patient cooperation and safety. Evidence indicates that scalp blockade remains a key component for effective pain control during surgery. The review highlights that dedicated sedation protocols can mitigate risks associated with intraoperative complications. Authors emphasize that hemodynamic stability requires careful attention to prevent adverse events. Findings suggest that both adult and pediatric populations benefit from refined anesthetic techniques. The synthesis implies that a deep understanding of neuroanesthesia principles is necessary for successful outcomes. Future clinical practice should integrate these technical strategies to optimize the perioperative experience for patients.

The researchers propose a structured anesthetic framework that integrates scalp blockade, specialized sedation protocols, and precise hemodynamic control. This approach ensures patient cooperation, which is necessary for successful resection of tumors located near eloquent cortex during awake craniotomy.

The authors identify scalp blockade as a specific technical strategy for pain management. Unlike general anesthesia, this local technique allows for patient alertness, which is required for intraoperative mapping of brain function.

The authors state that expert management is necessary because these procedures involve eloquent cortex. This region controls critical functions, making patient cooperation during the operation vital for avoiding neurological deficits.

The review utilizes clinical evidence from recent studies to evaluate perioperative complications. This data type helps identify risks in both adult and pediatric populations, allowing for the development of improved safety protocols.

The authors measure the success of these procedures by the patient's ability to remain fully cooperative. This phenomenon is contrasted with standard craniotomy, where patients are typically unconscious throughout the entire surgery.

The researchers propose that adopting a structured anesthetic approach will improve patient safety. They suggest that this shift in practice will help clinicians better manage the risks identified in recent literature.