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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...
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...
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...

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Related Experiment Video

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Assessing Changes in Volatile General Anesthetic Sensitivity of Mice after Local or Systemic Pharmacological Intervention
08:49

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Published on: October 16, 2013

Neuroanesthesia: from bench to bed.

Mishiya Matsumoto1, Kazuyoshi Ishida

  • 1Department of Anesthesiology, Yamaguchi University Graduate School of Medicine, 1-1-1 Minami-Kogushi, Ube, Yamaguchi, 755-8505, Japan. mishiya@yamaguchi-u.ac.jp

Journal of Anesthesia
|March 1, 2012
PubMed
Summary

Translating basic neuroanesthesia research, particularly on cerebral ischemia, into clinical practice has faced challenges. Improving basic research accuracy and confirming findings across multiple centers before clinical trials is recommended.

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Area of Science:

  • Neuroanesthesia
  • Cerebral Ischemia
  • Cerebral Blood Flow and Metabolism

Background:

  • The field of neuroanesthesia has existed for over 40 years.
  • Significant basic research has been conducted on cerebral ischemia, cerebral blood flow, and metabolism.
  • Translating findings from animal models to human clinical applications, especially for cerebral ischemia, has proven difficult, leading to costly trial failures.

Purpose of the Study:

  • To address the challenges in translating basic neuroanesthesia research to clinical practice.
  • To explore reasons for the lack of success in clinical applications of basic research findings.
  • To propose improvements in the research process to enhance the reliability of findings and prevent unnecessary clinical studies.

Main Methods:

  • Review of the historical challenges in neuroanesthesia research translation.
  • Analysis of discrepancies between animal models and human physiology.
  • Discussion of strategies to improve the accuracy and reduce bias in basic research.

Main Results:

  • Basic research in neuroanesthesia, especially concerning cerebral ischemia, has not consistently translated to successful clinical outcomes.
  • Differences in higher-order functions between experimental animals and humans raise questions about the direct relevance of some animal studies.
  • Implementing measures to reduce bias in basic research can improve accuracy and inform better clinical study design.

Conclusions:

  • The translation gap between basic neuroanesthesia research and clinical practice, particularly for cerebral ischemia, persists.
  • Re-evaluating the utility of animal models and enhancing the rigor of basic research are crucial.
  • A system for multicenter confirmation of basic research findings prior to initiating large-scale clinical trials is advisable to improve efficiency and success rates.