Use of opioids in the elderly -- pharmacokinetic and pharmacodynamic considerations

Anästhesiologie, Intensivmedizin, Notfallmedizin, Schmerztherapie : AINS
E Freye, J V Levy

Abstract

Perioperative management of geriatric patients is becoming an important component in anaesthetic practice in the 21st century. This phenomenon is due to the fact that people aged 65 and over are the segment with the fastest growing population. Thus, it is estimated that by the year 2025 20 % of the population in the western hemisphere will be > 65 years of age. Currently, elderly patients comprise one-third of all operations, and one out of two patients older than 65 years of age will undergo an operation in their lifetime. The dramatic change in demographics of surgical patients will have a tremendous impact on the use of anaesthetics. Older patients facing surgery can generally be expected to be a more complex case than their younger counterparts. They have more systemic diseases (e. g. cardiac, pulmonary, endocrine), and usually these diseases have advanced to more serious stages. These patients may suffer disability, both physical and mental, and may show differences in the pharmacokinetic as well as the pharmacodynamic of compounds such as opioids. While neuronal numbers, dendrites and synapses decline with age and the ventricular volume triples, cerebral circulation is similar to young adults, although there is a reductio...Continue Reading

Citations

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