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Anaesthesia in the elderly. Special considerations

A G Jones1, J M Hunter

  • 1Department of Anaesthesia, Royal Liverpool University Hospital, England.

Drugs & Aging
|November 1, 1996
PubMed
Summary
This summary is machine-generated.

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Anesthesia in elderly patients requires careful consideration of physiological changes affecting drug responses. Reduced dosages for induction agents and cautious use of neuromuscular blockers are recommended for safe anesthetic management in older adults.

Area of Science:

  • Geriatric Medicine
  • Anesthesiology
  • Pharmacology

Background:

  • Physiological changes associated with aging significantly impact drug pharmacokinetics and pharmacodynamics.
  • Older adults present unique challenges for anesthetic management due to altered drug metabolism and response.

Purpose of the Study:

  • To review the physiological and pharmacological considerations for anesthetic drug administration in the elderly.
  • To provide guidance on the selection and dosing of anesthetic agents for geriatric patients.

Main Methods:

  • Review of existing literature on anesthetic drug use in elderly populations.
  • Analysis of pharmacokinetic and pharmacodynamic alterations due to aging.
  • Evaluation of specific anesthetic agents, including inhalational agents, induction agents, and neuromuscular blockers.

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Main Results:

  • Premedicants should be avoided in the very old; reduced dosages of intravenous induction agents are necessary.
  • Newer inhalational agents like desflurane and sevoflurane may be beneficial, but cardiovascular effects at high concentrations must be monitored.
  • Atracurium is useful due to its non-organ-dependent disposition, though histamine release is a concern; cisatracurium may avoid this.
  • Anticholinesterase dosage for reversing neuromuscular block requires careful titration to prevent adverse effects.
  • Postoperative pain management in the elderly necessitates meticulous control and individualized approaches.

Conclusions:

  • Anesthesia in the elderly demands specialized skill and judgment, considering age-related physiological and pharmacological factors.
  • Careful drug selection, dosage titration, and monitoring are crucial for optimizing anesthetic care in geriatric patients.
  • Further research into cisatracurium's role and refined postoperative analgesia strategies are warranted.