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COGNITIVE EFFECTS OF EXERCISE AMONG OLDER PEOPLE WITH DEMENTIA AND DEPRESSION
Umeå University, Faculty of Medicine, Department of Community Medicine and Rehabilitation, Section of Physiotherapy.
Umeå University, Faculty of Medicine, Department of Community Medicine and Rehabilitation, Section of Physiotherapy.
2019 (English)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

ObjectivesTo examine the effect of a high-intensity functional exercise intervention on cognitive function in older people with dementia and depression living in nursing homes. 

Secondary aim was to assess the association between depressive symptoms and cognitive function.

MethodsParticipants (n= 186) were included from the Umeå Dementia and Exercise (UMDEX) study who were randomized to a high-intensity functional exercise (HIFE) intervention group or a control activity group over four months. Differences between groups was examined for changes in Mini-Mental State Examination at follow-up and baseline (MMSE-diff) using Independent sample t-test. Association was examined between changes in the 15-item Geriatric Depression Scale between follow-up and baseline (GDS-diff) and MMSE-diff using Pearson’s correlation coefficient. Analysis for differences and associations were performed according to intervention group or presence of depression. 

ResultsNo significant difference was found in MMSE-diff between depression or interventions. Significant correlation between changes in MMSE-diff and GDS-diff was found in the control group (correlation coefficient -0.224, p-value 0.046), but not in any other group.

ConclusionsThere was no significant difference of effect on cognition (MMSE) when comparing type of activity or state of depression. Changes in depressive symptoms were associated with changes in cognition in the control activity group, but not in the exercise intervention. Older people with dementia and depression can benefit from exercise, however in this group of older people with dementia living in nursing homes exercise didn’t significantly affect cognition. Further research is needed to examine the effects of longer interventions and aerobic exercise in this group.

Abstract [sv]

SyfteSyftet med studien var att undersöka effekten av en högintensivt funktionell träningsintervention på kognitiv funktion för personer med demens och depression.Sekundärt syfte var att undersöka association mellan depressiva symptom och kognitiv funktion.

MetodDeltagare (N =186) inkluderades från the Umeå Dementia and Exercise (UMDEX) study och randomiserades till en högintensiv funktionell träning (HIFE) interventionsgrupp eller en kontrollintervention grupp i fyra månader. Skillnader i Mini-Mental State Examination vid uppföljning och baslinje (MMSE-diff) mellan grupper undersöktes med Independent sample t-test. Association undersöktes för förändringar mellan 15-item Geriatric Depression Scale vid uppföljning och baslinje (GDS-diff), och MMSE-diff med Pearson’s korrelations koefficient. Analyser för skillnader och associationer utfördes utifrån interventionsgrupp eller närvaro av depression. 

ResultatIngen signifikant skillnad hittades i MMSE-diff mellan depression eller interventionsgrupper. Signifikant correlation mellan förändring i MMSE-diff och GDS-diff fanns i kontrollgruppen (korrelation koefficient -0.224, p-värde 0.046), men inte någon annan grupp.

SlutsatsDet fanns ingen signifikant skillnad på kognitiv effekt (MMSE) när det jämnfördes typ av aktivitet eller förekomst av depression. Förändringar i depressiva symtom var associerad med förändring i kognition av kontrollaktiviteten, men inte av träningsinterventionen. Äldre personer med demens och depression kan gynnas av träning, däremot i denna grupp bland äldre med demens och i särskilda boende påverkade träning inte kognitionen signifikant. Vidare studier behövs för att undersöka effekten av en längre intervention med aerobisk träning hos äldre med demens och depression.

Place, publisher, year, edition, pages
2019. , p. 26
Keywords [en]
high-intensity functional exercise, aged, dementia, depression, cognition, physiotherapy, geriatrics
Keywords [sv]
hög-intensiv funktionell träning, äldre, demens, depression, kognition, fysioterapi, geriatrik
National Category
Physiotherapy
Identifiers
URN: urn:nbn:se:umu:diva-160239OAI: oai:DiVA.org:umu-160239DiVA, id: diva2:1325352
Educational program
Fysioterapiprogrammet
Supervisors
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Available from: 2019-09-19 Created: 2019-06-15 Last updated: 2019-09-19Bibliographically approved

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