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Related Concept Videos

Local Anesthetics: Adverse Effects01:12

Local Anesthetics: Adverse Effects

416
While local anesthetics are generally safe and well-tolerated, they can occasionally cause adverse effects that vary in severity. Local anesthetics can induce toxicity at two distinct levels. They can either produce local effects through direct contact with the neural elements or be absorbed into the bloodstream from the injection site, leading to systemic effects.
Once absorbed into the systemic circulation, local anesthetics can affect the organs that depend on the functioning of sodium...
416
Stages of General Anesthesia01:22

Stages of General Anesthesia

449
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...
449
General Anesthesia: Overview01:24

General Anesthesia: Overview

219
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...
219
Skeletal Muscle Relaxants: Adverse Effects01:21

Skeletal Muscle Relaxants: Adverse Effects

373
Skeletal muscle relaxants are widely used for muscle paralysis and relieving pain following any muscle injury or stiffness. However, depending on the drug type, they can have adverse effects that range from mild to severe. Usually, nondepolarizing neuromuscular blockers have minimal side effects. For example, drugs like d-tubocurarine, cisatracurium, and rocuronium cause hypotension, whereas drugs like baclofen, when stopped abruptly, can lead to the recurrence of spastic conditions.
Unlike...
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Frailty: Implications for Neuroanesthesia.

Amy Mitchell1, Alana M Flexman2,3,4

  • 1Department of Anesthesiology and Perioperative Care, Vancouver General Hospital.

Journal of Neurosurgical Anesthesiology
|January 18, 2024
PubMed
Summary
This summary is machine-generated.

Frailty is common in aging neurosurgery patients and predicts poor outcomes. More research is needed on interventions to improve frailty and patient results in this population.

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Area of Science:

  • Neurosurgery
  • Geriatrics
  • Clinical Outcomes

Background:

  • Frailty is increasingly prevalent in aging neurosurgical patients.
  • Frailty assessment commonly uses simplified tools in neurosurgical studies.
  • Validated frailty tools for neurological conditions are limited, especially for non-spine pathologies.

Purpose of the Study:

  • To review the impact of frailty on neurosurgical patient outcomes.
  • To identify current gaps in frailty assessment and intervention research for neurosurgical patients.

Main Methods:

  • Literature review of studies on frailty in neurosurgery.
  • Analysis of frailty measurement models (phenotypic and deficit accumulation).

Main Results:

  • Higher frailty scores consistently correlate with worse outcomes, including complications, disability, non-home discharge, and mortality.
  • Existing frailty measurement tools have limited validation in neurological disease populations.
  • Evidence for interventions to improve outcomes in frail neurosurgical patients is scarce.

Conclusions:

  • Frailty is a critical factor in neurosurgical patient risk stratification and outcomes.
  • Further research is essential to develop and validate effective interventions, such as prehabilitation and multidisciplinary care, for frail neurosurgical patients.
  • Investigating surgery as a potential intervention for frailty in select patients warrants future study.