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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

Parenteral Anesthetics: Overview

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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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Stages of General Anesthesia01:22

Stages of General Anesthesia

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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...
375
Management of Insomnia01:19

Management of Insomnia

231
The sleep cycle, an integral part of human health, consists of several stages with distinct characteristics and functions. It begins with a transition from wakefulness to sleep, known as the light sleep phase, followed by the restorative deep sleep phase, essential for physical recovery and growth. The cycle concludes with the Rapid Eye Movement (REM) phase, characterized by high brain activity and vivid dreaming. Insomnia, a prevalent sleep disorder, involves difficulty falling asleep, staying...
231
Sedatives and Hypnotics: Overview01:23

Sedatives and Hypnotics: Overview

279
Sedatives are drugs that alleviate anxiety, while hypnotics induce sleep. Both classes of medication suppress neuronal activity, leading to a calming effect for sedatives and facilitating sleep for hypnotics.
Sedative-hypnotics are categorized into barbiturates, benzodiazepines (BZDs), and non-benzodiazepines or Z-drugs. These drugs work by suppressing central nervous system activity, and this suppression is dose-dependent. Older sedative medications, like barbiturates, follow a linear curve in...
279
Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy01:26

Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy

51
Sigmoidoscopy and laparoscopy are distinct medical procedures that enable physicians to internally inspect different parts of the GI tract. Although they serve different purposes, each is essential for diagnosing and, in some cases, treating various medical conditions.
Sigmoidoscopy
Sigmoidoscopy is a diagnostic procedure that uses a flexible sigmoidoscope equipped with a light source and camera to examine the rectum and sigmoid colon. The procedure involves inserting the tube through the anus...
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A Mouse Model of Orthopedic Surgery to Study Postoperative Cognitive Dysfunction and Tissue Regeneration
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Update on Perioperative Delirium.

Katie J Schenning1, Elizabeth Mahanna-Gabrielli2, Stacie G Deiner3

  • 1Department of Anesthesiology & Perioperative Medicine, Oregon Health & Science University, 3181 Southwest Sam Jackson Park Road L459, Portland, OR 97239, USA.

Clinics in Geriatric Medicine
|November 17, 2024
PubMed
Summary
This summary is machine-generated.

Frailty is strongly linked to in-hospital delirium in nonsurgical patients. Understanding this connection may help prevent delirium and cognitive decline, especially in older adults.

Keywords:
AnesthesiaCognitive impairmentDeliriumFrailtyGeriatric

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Area of Science:

  • Gerontology
  • Neuroscience
  • Critical Care Medicine

Background:

  • Frailty is associated with in-hospital delirium in nonsurgical patients.
  • Physical and cognitive frailties correlate with frontal cognitive domain decline.
  • Risk factors for frailty overlap with those for postoperative delirium (POD).

Purpose of the Study:

  • To explore the association between frailty and in-hospital delirium.
  • To highlight the link between frailty, cognitive decline, and delirium.
  • To review current understanding of frailty screening and POD prevention.

Main Methods:

  • Literature review of studies on frailty, delirium, and cognitive function.
  • Analysis of risk factors for frailty and postoperative delirium.
  • Examination of diagnostic tools for frailty and anesthetic techniques for POD prevention.

Main Results:

  • A significant association exists between frailty and in-hospital delirium.
  • Frailty impacts frontal cognitive domains, mirroring delirium effects.
  • No anesthetic technique has definitively reduced POD incidence.

Conclusions:

  • Frailty is a key factor in nonsurgical in-hospital delirium.
  • Addressing frailty may mitigate delirium risk and cognitive decline.
  • Further research is needed on frailty interventions to prevent delirium.