Mapping the complexity of dementia: factors influencing cognitive function at the onset of dementia

Abstract Background Dementia is a multi-factorial condition rather than a natural and inevitable consequence of ageing. Some factors related to dementia have been studied much more extensively than others. To gain an overview of known or suspected influential factors is a prerequisite to design stud...

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Main Authors: Imke Seifert, Henrik Wiegelmann, Marta Lenart-Bugla, Mateusz Łuc, Marcin Pawłowski, Etienne Rouwette, Joanna Rymaszewska, Dorota Szcześniak, Myrra Vernooij-Dassen, Marieke Perry, René Melis, Karin Wolf-Ostermann, Ansgar Gerhardus, on behalf of the SHARED consortium
Format: Article
Language:English
Published: BMC 2022-06-01
Series:BMC Geriatrics
Subjects:
Online Access:https://doi.org/10.1186/s12877-022-02955-2
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author Imke Seifert
Henrik Wiegelmann
Marta Lenart-Bugla
Mateusz Łuc
Marcin Pawłowski
Etienne Rouwette
Joanna Rymaszewska
Dorota Szcześniak
Myrra Vernooij-Dassen
Marieke Perry
René Melis
Karin Wolf-Ostermann
Ansgar Gerhardus
on behalf of the SHARED consortium
author_facet Imke Seifert
Henrik Wiegelmann
Marta Lenart-Bugla
Mateusz Łuc
Marcin Pawłowski
Etienne Rouwette
Joanna Rymaszewska
Dorota Szcześniak
Myrra Vernooij-Dassen
Marieke Perry
René Melis
Karin Wolf-Ostermann
Ansgar Gerhardus
on behalf of the SHARED consortium
author_sort Imke Seifert
collection DOAJ
description Abstract Background Dementia is a multi-factorial condition rather than a natural and inevitable consequence of ageing. Some factors related to dementia have been studied much more extensively than others. To gain an overview of known or suspected influential factors is a prerequisite to design studies that aim to identify causal relationships and interactions between factors. This article aims to develop a visual model that a) identifies factors related to cognitive decline that signal the onset of dementia, b) structures them by different domains and c) reflects on and visualizes the possible causal links and interactions between these factors based on expert input using a causal loop diagram. Method We used a mixed-method, step-wise approach: 1. A systematic literature review on factors related to cognitive decline; 2. A group model building (GMB) workshop with experts from different disciplines; 3. Structured discussions within the group of researchers. The results were continuously synthesized and graphically transformed into a causal loop diagram. Results The causal loop diagram comprises 73 factors that were structured into six domains: physical (medical) factors (23), social health factors (21), psychological factors (14), environmental factors (5), demographic factors (5) and lifestyle factors (3). 57 factors were identified in the systematic literature review, additionally 16 factors, mostly of the social health cluster, were identified during the GMB session and the feedback rounds. Conclusion The causal loop diagram offers a comprehensive visualisation of factors related to cognitive decline and their interactions. It supports the generation of hypotheses on causal relationships and interactions of factors within and between domains.
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spelling doaj.art-8167f345750c4834b134a6c22aa30e522022-12-22T03:38:08ZengBMCBMC Geriatrics1471-23182022-06-012211810.1186/s12877-022-02955-2Mapping the complexity of dementia: factors influencing cognitive function at the onset of dementiaImke Seifert0Henrik Wiegelmann1Marta Lenart-Bugla2Mateusz Łuc3Marcin Pawłowski4Etienne Rouwette5Joanna Rymaszewska6Dorota Szcześniak7Myrra Vernooij-Dassen8Marieke Perry9René Melis10Karin Wolf-Ostermann11Ansgar Gerhardus12on behalf of the SHARED consortiumDepartment for Health Services Research, Institute of Public Health and Nursing Research (IPP), Health Sciences Bremen, University of BremenDepartment for Health Care Research, Institute of Public Health and Nursing Research (IPP), Health Sciences Bremen, University of BremenDepartment of Psychiatry, Wroclaw Medical UniversityDepartment of Psychiatry, Wroclaw Medical UniversityDepartment of Psychiatry, Wroclaw Medical UniversityMethodology Department, University of NijmegenDepartment of Psychiatry, Wroclaw Medical UniversityDepartment of Psychiatry, Wroclaw Medical UniversityFaculty of Medical Sciences, Radboud University Medical CenterDepartment of Geriatric Medicine, Radboud University Medical CenterDepartment of Geriatric Medicine, Radboud University Medical CenterDepartment for Health Care Research, Institute of Public Health and Nursing Research (IPP), Health Sciences Bremen, University of BremenDepartment for Health Services Research, Institute of Public Health and Nursing Research (IPP), Health Sciences Bremen, University of BremenAbstract Background Dementia is a multi-factorial condition rather than a natural and inevitable consequence of ageing. Some factors related to dementia have been studied much more extensively than others. To gain an overview of known or suspected influential factors is a prerequisite to design studies that aim to identify causal relationships and interactions between factors. This article aims to develop a visual model that a) identifies factors related to cognitive decline that signal the onset of dementia, b) structures them by different domains and c) reflects on and visualizes the possible causal links and interactions between these factors based on expert input using a causal loop diagram. Method We used a mixed-method, step-wise approach: 1. A systematic literature review on factors related to cognitive decline; 2. A group model building (GMB) workshop with experts from different disciplines; 3. Structured discussions within the group of researchers. The results were continuously synthesized and graphically transformed into a causal loop diagram. Results The causal loop diagram comprises 73 factors that were structured into six domains: physical (medical) factors (23), social health factors (21), psychological factors (14), environmental factors (5), demographic factors (5) and lifestyle factors (3). 57 factors were identified in the systematic literature review, additionally 16 factors, mostly of the social health cluster, were identified during the GMB session and the feedback rounds. Conclusion The causal loop diagram offers a comprehensive visualisation of factors related to cognitive decline and their interactions. It supports the generation of hypotheses on causal relationships and interactions of factors within and between domains.https://doi.org/10.1186/s12877-022-02955-2DementiaModelTheoryRisk factorsCognition
spellingShingle Imke Seifert
Henrik Wiegelmann
Marta Lenart-Bugla
Mateusz Łuc
Marcin Pawłowski
Etienne Rouwette
Joanna Rymaszewska
Dorota Szcześniak
Myrra Vernooij-Dassen
Marieke Perry
René Melis
Karin Wolf-Ostermann
Ansgar Gerhardus
on behalf of the SHARED consortium
Mapping the complexity of dementia: factors influencing cognitive function at the onset of dementia
BMC Geriatrics
Dementia
Model
Theory
Risk factors
Cognition
title Mapping the complexity of dementia: factors influencing cognitive function at the onset of dementia
title_full Mapping the complexity of dementia: factors influencing cognitive function at the onset of dementia
title_fullStr Mapping the complexity of dementia: factors influencing cognitive function at the onset of dementia
title_full_unstemmed Mapping the complexity of dementia: factors influencing cognitive function at the onset of dementia
title_short Mapping the complexity of dementia: factors influencing cognitive function at the onset of dementia
title_sort mapping the complexity of dementia factors influencing cognitive function at the onset of dementia
topic Dementia
Model
Theory
Risk factors
Cognition
url https://doi.org/10.1186/s12877-022-02955-2
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