Cited by 640Dementia and Cognitive Impairment ResearchCognitive Functions and MemoryCancer-related cognitive impairment studies

Mild cognitive impairment and deficits in instrumental activities of daily living: A systematic review

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Jekel, Katrin, Damian, Marinella, Wattmo, Carina, Hausner, Lucrezia, Bullock, Roger, Connelly, Peter J, Dubois, Bruno, Eriksdotter, Maria +18 more·2015·Alzheimer's Research & Therapy

Abstract

INTRODUCTION: There is a growing body of evidence that subtle deficits in instrumental activities of daily living (IADL) may be present in mild cognitive impairment (MCI). However, it is not clear if there are IADL domains that are consistently affected across patients with MCI. In this systematic review, therefore, we aimed to summarize research results regarding the performance of MCI patients in specific IADL (sub)domains compared with persons who are cognitively normal and/or patients with dementia. METHODS: The databases PsycINFO, PubMed and Web of Science were searched for relevant literature in December 2013. Publications from 1999 onward were considered for inclusion. Altogether, 497 articles were retrieved. Reference lists of selected articles were searched for potentially relevant articles. After screening the abstracts of these 497 articles, 37 articles were included in this review. RESULTS: In 35 studies, IADL deficits (such as problems with medication intake, telephone use, keeping appointments, finding things at home and using everyday technology) were documented in patients with MCI. Financial capacity in patients with MCI was affected in the majority of studies. Effect sizes for group differences between patients with MCI and healthy controls were predominantly moderate to large. Performance-based instruments showed slight advantages (in terms of effect sizes) in detecting group differences in IADL functioning between patients with MCI, patients with Alzheimer's disease and healthy controls. CONCLUSION: IADL requiring higher neuropsychological functioning seem to be most severely affected in patients with MCI. A reliable identification of such deficits is necessary, as patients with MCI with IADL deficits seem to have a higher risk of converting to dementia than patients with MCI without IADL deficits. The use of assessment tools specifically designed and validated for patients with MCI is therefore strongly recommended. Furthermore, the development of performance-based assessment instruments should be intensified, as they allow a valid and reliable assessment of subtle IADL deficits in MCI, even if a proxy is not available. Another important point to consider when designing new scales is the inclusion of technology-associated IADL. Novel instruments for clinical practice should be time-efficient and easy to administer.

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  • People who live alone are often solely responsible for completing household tasks, such as paying the bills, shopping, cleaning, maintenance, and answering the telephone or door, which all require cognitive input.

    “People who live alone are often solely responsible for completing household tasks, such as paying the bills, shopping, cleaning, maintenance, and answering the telephone or door, which all require cognitive input (Jekel et al., 2015;Njegovan, Man-Son-Hing, Mitchell, & Molnar, 2001).”

    From Living alone and cognitive function in later life (2019) · cites this paper as Jekel et al., 2015

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Authors
Jekel, K., Damian, M., Wattmo, C., Hausner, L., Bullock, R., Connelly, P. J., Dubois, B., Eriksdotter, M., Ewers, M., Graessel, E., Kramberger, M. G., Law, E., Mecocci, P., Molinuevo, J. L., Nygård, L., Olde-Rikkert, M. G., Orgogozo, J.-M., Pasquier, F., Peres, K., Salmon, E., Sikkes, S. A., Sobow, T., Spiegel, R., Tsolaki, M., Winblad, B., & Frölich, L.
Affiliations
  • Heidelberg University (DE)
  • Lund University (SE)
  • Victoria Hospital (GB)
  • University of Dundee (GB)
  • Assistance Publique – Hôpitaux de Paris (FR)
  • Karolinska Institutet (SE)
  • Stiftung Charité (DE)
  • Friedrich-Alexander-Universität Erlangen-Nürnberg (DE)
  • Ljubljana University Medical Centre (SI)
  • National Health Service Scotland (GB)
  • University of Perugia (IT)
  • Consorci Institut D'Investigacions Biomediques August Pi I Sunyer (ES)
  • Radboud University Medical Center (NL)
  • Hôpital Pellegrin (FR)
  • Inserm (FR)
  • Amsterdam UMC Location Vrije Universiteit Amsterdam (NL)
  • University of Basel (CH)
  • Aristotle University of Thessaloniki (GR)
Corresponding author
Jekel, Katrin
Venue
Alzheimer's Research & Therapy
Published
2015-03-18
Volume
7
Issue
1
Pages
17-17
ISSN
1758-9193 (ISSN-L)
OpenAlex
W2160439953
Cited by
640
References
91
Citations by year
2026: 59 · 2025: 69 · 2024: 64 · 2023: 50 · 2022: 59 · 2021: 66 · 2020: 75 · 2019: 55 · 2018: 51 · 2017: 42 · 2016: 40 · 2015: 8
FWCI
6.46
Type
journal article
Language
en
Open access
Locations
  • Alzheimer s Research & Therapy (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Discovery Research Portal (University of Dundee) (publishedVersion)
  • Pure Amsterdam UMC (publishedVersion, other-oa)
  • heiDOK (Heidelberg University) (acceptedVersion, other-oa)
  • Lund University Publications (Lund University) (submittedVersion, other-oa)
  • Amsterdam UMC (VU Amsterdam) - Institutional Repository (submittedVersion)
  • Radboud Repository (Radboud University) (submittedVersion)
  • OPUS FAU (Kooperativer Bibliotheksverbund Berlin-Brandenburg (KOBV), on behalf of the Universitätsbibliothek Erlangen-Nürnberg) (submittedVersion, cc-by)
  • Radboud Repository (Radboud University) (submittedVersion, other-oa)
  • Data Archiving and Networked Services (DANS) (submittedVersion)
Funders
  • Development of Innovative Strategies for a Transdisciplinary approach to ALZheimer's disease
  • European Commission (334259)
  • Region Skåne
  • Alzheimer Nederland
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Cognitive Functions and Memory
  • Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Cancer-related cognitive impairment studies
Keywords
mild cognitive impairment, instrumental activities of daily living, medication management, financial capacity, technology use, Alzheimer's disease, conversion to dementia, neuropsychological performance

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