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Management of Polypharmacy in Elderly Patients with Multiple Chronic Conditions Case Study: An 80-Year-Old Patient with Hypertension, Diabetes, and Chronic Kidney Disease$7.99
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Management of Polypharmacy in Elderly Patients with Multiple Chronic Conditions Case Study: An 80-Year-Old Patient with Hypertension, Diabetes, and Chronic Kidney Disease
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Nursing
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Nursing
Managing polypharmacy in elderly patients with multiple chronic conditions involves prioritizing medications, reviewing appropriateness regularly, minimizing unnecessary drugs, considering drug interactions, and promoting patient education on medication use.
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Management of Polypharmacy in Elderly Patients with Multiple Chronic
Conditions
Case Study: An 80-Year-Old Patient with Hypertension, Diabetes, and Chronic Kidney
Disease
● Introduction
Polypharmacy, defined as the use of five or more medications concurrently, is a common
scenario in elderly patients due to the prevalence of multiple chronic conditions. In an
80-year-old patient with hypertension, diabetes, and chronic kidney disease (CKD), managing
polypharmacy becomes particularly challenging due to the potential for drug-drug interactions,
drug-disease interactions, and the altered pharmacokinetics and pharmacodynamics associated
with aging and organ dysfunction. This comprehensive guide will provide a detailed approach to
managing the interactions and side effects of multiple medications in such patients, focusing on
evidence-based strategies and clinical considerations.
Pharmacokinetic and Pharmacodynamic Changes in the Elderly
Aging affects the pharmacokinetics (absorption, distribution, metabolism, and excretion) and
pharmacodynamics (the effects of drugs on the body) of medications. These changes
necessitate careful consideration when prescribing and managing medications in elderly
patients.
● 1. **Absorption**: While the rate of absorption may be delayed due to decreased gastric
motility and increased gastric pH, the extent of absorption generally remains unchanged.
However, this can affect the onset of action of some medications.
● 2. **Distribution**: Age-related changes in body composition, such as decreased lean
body mass and total body water and increased fat mass, can alter drug distribution.
Hydrophilic drugs may have a lower volume of distribution, while lipophilic drugs may
have an increased volume of distribution, potentially leading to prolonged half-life and
accumulation.
● 3. **Metabolism**: Hepatic metabolism often decreases with age due to reduced liver
size and hepatic blood flow. Phase I reactions (oxidation, reduction, hydrolysis) are more
affected than Phase II reactions (conjugation).
● 4. **Excretion**: Renal function declines with age, leading to decreased clearance of
renally excreted drugs and metabolites. This necessitates dose adjustments and careful
monitoring of renal function.
● 5. **Pharmacodynamics**: Elderly patients may have increased sensitivity to certain
medications, particularly those affecting the central nervous system and cardiovascular
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