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Lifespan Considerations Elderly Pharm
Pharmacokinetics and Medication Administration (NURS 205)
Widener University
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Lifespan Considerations
N 205
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Objectives
To discuss drug related concerns of elderly population
To discuss nursing process related to drug administration among elderly population
High use of medications
Polypharmacy
Noncompliance, nonadherence
Increased incidence of chronic illnesses
Sensory and motor deficits
####### Considerations for
####### Older Adult Patients (Cont.)
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Considerations in Elderly
- Polypharmacy
- Commonly on multiple medications
- Also on multiple over the coounter drugs.
exam
more than 1 med for Various disease conditions
Considerations and Elderly
- Physiologic changes
- Decreased body weight
- Decrease in organ function administer lower dose \
Considerations for the Elderly
- Decline in vital organ function
- Kidney and liver
####### always check patients
kidney / liver functions bk patient may not be
eligible
and can further etat the kidneys
Absorption
- Gastric pH less acidic
- Gastric emptying slowed
- Movement through GI tract slowed because of decreased muscle tone and activity
- Blood flow to GI tract reduced
- Absorptive surface of GI tract reduced Older Adults: Pharmacokinetics Copyright © 2020 Elsevier Inc. All Rights Reserved. 0
Distribution
- Lower total body water percentages
- Increased fat content
- Decreased production of proteins by the liver, resulting in decreased protein binding of drugs (and increased circulation of free drugs)
Older Adults:
Pharmacokinetics (Cont.)
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- Excretion
- Decreased glomerular filtration rate
- Decreased number of nephrons
- Drugs are cleared less effectively because of decreased excretion.
Older Adults:
Pharmacokinetics (Cont.)
Copyright © 2020 Elsevier Inc. All Rights Reserved. 0 When kidneys aren't
functioning
the medications cannot get excreted
Considerations and Elderly
Laboratory testing
- Renal – BUN and Creatinine
- Liver – Enzyme levels kidney function
Listing of medications
Existence of polypharmacy
Self-medication practices
Laboratory test results
History of smoking and use of alcohol
Risk situations related to drug therapy identified by the Beers criteria
####### Medication Administration
####### Considerations: Assessment
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Nursing diagnoses •Imbalanced nutrition •Deficient knowledge •Risk for injury Outcomes •May involve patient, caregiver, or legal guardian •Individualized
####### Medication Administration
####### Considerations: Planning
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- Observe and monitor for therapeutic effects
- Observe and monitor for adverse effects
- Evaluate understanding of drug purpose, dose, dose frequency, adverse effects, special considerations
####### Medication Administration
####### Considerations: Evaluation
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####### Audience Response System
####### Question
What does the nurse identify as a pharmacokinetic change that occurs in older adults? A pH is more acidic. B content is decreased because of increased lean body mass. C is increased production of proteins by the liver. D number of intact nephrons is decreased. Note: No input is required to proceed. Copyright © 2020 Elsevier Inc. All Rights Reserved. 0
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Lifespan Considerations Elderly Pharm
Course: Pharmacokinetics and Medication Administration (NURS 205)
University: Widener University
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