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Related Concept Videos

Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Excretion01:18

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In geriatric patients, renal physiology undergoes significant changes, including diminished renal blood flow and a lower glomerular filtration rate (GFR), leading to alterations in medication clearance. Drugs such as aminoglycoside antibiotics, lithium, and digoxin, which rely on glomerular filtration for removal from the body, particularly impact pharmacokinetics. These drugs tend to have slower clearance rates in older adults, necessitating careful dosage considerations.Evaluation of renal...
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Related Experiment Video

Updated: Mar 2, 2026

Assessment of Dependence in Activities of Daily Living Among Older Patients in an Acute Care Unit
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Measuring functional ability in hospitalized older adults: a validation study.

Kylie Wales1, Natasha A Lannin2, Lindy Clemson1

  • 1a Ageing Work and Health Research Unit , University of Sydney , Lidcombe , Australia.

Disability and Rehabilitation
|May 10, 2017
PubMed
Summary

The Groningen Activity Restriction Scale (GARS) and modified Reintegration to Normal Living Index (mRNLI) are reliable functional assessment tools for hospitalized older adults. These tools effectively measure changes in function over time, aiding rehabilitation therapists.

Keywords:
Agedactivities of daily livingoccupational therapypatient outcome assessment

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Area of Science:

  • Geriatric Rehabilitation
  • Functional Assessment Tools
  • Health Outcomes Measurement

Background:

  • Hospitalized older adults often experience functional decline.
  • Standardized functional assessment tools are crucial for monitoring recovery and guiding rehabilitation.
  • The psychometric properties of many functional assessments in this population are not well-established.

Purpose of the Study:

  • To evaluate the internal consistency, construct validity, and responsiveness of functional assessment tools in hospitalized older adults.
  • To identify reliable and valid functional assessment tools for this specific demographic.

Main Methods:

  • Sixty-six hospitalized older adults participated in the study.
  • Sixteen functional assessment tools were administered via semi-structured interviews.
  • Assessments were conducted during hospitalization and at three months post-discharge.

Main Results:

  • Functional assessment tools exhibited variable internal consistency (Cronbach's alpha from 0.27 to 0.92).
  • The Groningen Activity Restriction Scale (GARS) and modified Reintegration to Normal Living Index (mRNLI) demonstrated responsiveness to change.
  • Construct validity was supported by strong correlations between the Functional Independence Measure (FIM™) and GARS/Sunnaas ADL index.

Conclusions:

  • The GARS and mRNLI are internally consistent, valid, and responsive functional assessment tools for hospitalized older adults.
  • Rehabilitation therapists and researchers should carefully select functional assessments for this population.
  • Further research on inter- and intra-rater reliability of these tools in clinical settings is recommended.