A longitudinal study of cardiorespiratory fitness and cognitive function in healthy older adults.

A longitudinal study of cardiorespiratory fitness and cognitive function in healthy older adults. Research Abstract Details 

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A longitudinal study of cardiorespiratory fitness and cognitive function in healthy older adults. Abstract Text:

OBJECTIVES: To determine whether cardiorespiratory fitness at baseline is associated with maintenance of cognitive function over 6 years or with level of cognitive function on tests performed 6 years later in a longitudinal study of healthy older people. DESIGN: Prospective cohort. SETTING: Community-based study of noninstitutionalized adults aged 55 and older living in Sonoma, California. PARTICIPANTS: Three hundred forty-nine cohort members without evidence of cardiovascular disease, musculoskeletal disability, or cognitive impairment at baseline. MEASUREMENTS: Cardiorespiratory fitness measures were based on a standard treadmill exercise test protocol and included peak oxygen consumption (peak VO2), treadmill exercise duration, and oxygen uptake efficiency slope (OUES). Cognitive function was evaluated at baseline with a modified Mini-Mental State Examination (mMMSE) and after 6 years of follow-up with a detailed cognitive test battery that included the full MMSE, three tests of attention/executive function, two measures of verbal memory, and two tests of verbal fluency. RESULTS: Participants with worse cardiorespiratory fitness at baseline experienced greater decline on the mMMSE over 6 years (mean mMMSE decline (95% confidence interval) by baseline peak VO2 tertile: lowest = -0.5 (-0.8 to -0.3), middle = -0.2 (-0.5-0.0), highest = 0.0 (-0.3-0.2), P =.002 for trend over tertiles). Participants with worse baseline cardiorespiratory fitness also performed worse on all cognitive tests conducted 6 years later. Results were similar for analyses based on peak VO2, treadmill exercise duration, and OUES. After adjustment for demographic and health-related covariates, measures of cardiorespiratory fitness were associated most strongly with measures of global cognitive function and attention/executive function. CONCLUSION: Baseline measures of cardiorespiratory fitness are positively associated with preservation of cognitive function over a 6-year period and with levels of performance on cognitive tests conducted 6 years later in healthy older adults. High cardiorespiratory fitness may protect against cognitive dysfunction in older people.

A longitudinal study of cardiorespiratory fitness and cognitive function in healthy older adults. Publishing Authors By Initials

For similar behavioral disciplines and activities: psychological tests research abstracts see: behavioral disciplines and activities: psychological tests research

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A longitudinal study of cardiorespiratory fitness and cognitive function in healthy older adults. Journal Published:

PUBLICATION TYPE: Research Support, U.S. Gov't,

Journal: Journal of the American Geriatrics Society

VOLUME: 51

Page Numbers: 459-65

Journal Abbreviation: J Am Geriatr Soc

ISSN: 0002-8614

DAY: 10

MONTH: Apr

YEAR: 2003

A longitudinal study of cardiorespiratory fitness and cognitive function in healthy older adults. Information

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LANGUAGE: eng

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A longitudinal study of cardiorespiratory fitness and cognitive function in healthy older adults. Keywords Mesh Terms:

KEYWORDS: Psychological Tests

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Grant and Affiliation Information for A longitudinal study of cardiorespiratory fitness and cognitive function in healthy older adults.

AFFILIATION: Department of Epidemiology, University of California at Berkeley, Berkeley, California, USA. barnes@medicine.ucsf.edu

Country: United States

AGENCY: United States NIA

GRANT: T32-AG00212

ACRONYM: AG

MEDLINETA: J Am Geriatr Soc

REFSOURCE: J Am Geriatr Soc. 2003 Apr;51(4):570-1

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