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Fatigue and function over 3 years among older adults
Susan E Hardy1, Stephanie A Studenski
1University of Pittsburgh School of Medicine, Pittsburgh, PA, USA. hardys@dom.pitt.edu
Summary
Persistent fatigue in older adults is linked to lasting functional decline. This study highlights the serious impact of feeling tired on physical performance and daily activities in seniors.
Area of Science:
- Gerontology
- Clinical Medicine
- Epidemiology
Background:
- Fatigue is a prevalent symptom reported by older adults.
- The long-term impact of fatigue on functional status in this demographic remains under-investigated.
Purpose of the Study:
- To examine the association between persistent fatigue and functional status in older primary care patients.
- To assess how this association evolves over a 3-year period.
Main Methods:
- A 3-year longitudinal study involving older primary care patients.
- Fatigue was defined as feeling tired most of the time.
- Functional status was measured using the Short Form-36 Physical Performance Index, activities of daily living (ADL) scores, and gait speed.
Main Results:
- Baseline fatigue was significantly associated with poorer physical performance, lower ADL scores, and slower gait speed.
- These functional deficits demonstrated persistence throughout the 3-year follow-up period, even after adjusting for confounders.
Conclusions:
- Fatigue in older adults is a significant indicator of persistent functional deficits.
- Further research is crucial to elucidate the underlying causes of fatigue and to develop targeted interventions for this symptom.
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