Publications by authors named "Oey A"

Purpose: We investigated the effects of a multidomain lifestyle intervention conducted in older adults at increased risk for dementia on participants' diet.

Methods: Secondary analyses of the cluster-randomized AgeWell.de-trial, testing a multidomain intervention (optimization of nutrition and medication, enhancement of physical, social and cognitive activity) in older adults at increased dementia risk.

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Introduction: Health disparities pose a considerable challenge for older adults individuals, particularly those with a heightened risk of developing dementia. Discrepancies in health status among various income brackets are only partially attributable to structural factors such as working and living conditions or the quality of food. The aim of this study was therefore to explore whether and to what extent various health-promoting behaviors can explain the association between household income and self-rated health among older people at risk of dementia.

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Introduction: The prevalence of mild cognitive impairment (MCI) and dementia is increasing as the oldest old population grows, requiring a nuanced understanding of their care needs. Few studies have examined need profiles of oldest old patients with MCI or dementia. Therefore, this study aimed to identify patients' need profiles.

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Article Synopsis
  • The study examined the relationship between the CAIDE dementia risk score and modifiable factors in the LIBRA score among 807 German participants at high risk for Alzheimer's.
  • Results showed that higher cognitive activity and fruit/vegetable intake were linked to lower CAIDE scores, while diabetes increased risk.
  • The findings suggest that different dementia risk scores may classify individuals differently, highlighting the impact of lifestyle choices on dementia risk.
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Introduction: Dementia risk scores constitute promising surrogate outcomes for lifestyle interventions targeting cognitive function. We investigated whether dementia risk, assessed using the LIfestyle for BRAin health (LIBRA) index, was reduced by the AgeWell.de intervention.

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Purpose: The present study aimed to investigate age-group-specific incidence rates and risk factors for depressive symptoms in the highest age groups.

Methods: Data were derived from a prospective multicenter cohort study conducted in primary care - the AgeCoDe/AgeQualiDe study. In total, 2,436 patients 75 years and older were followed from baseline to ninth follow-up.

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Background: Aim of this study was to detect predictors of better adherence to the AgeWell.de-intervention, a two-year randomized multi-domain lifestyle intervention against cognitive decline.

Methods: Data of 317 intervention group-participants comprising a risk group for dementia (Cardiovascular Risk Factors, Ageing and Dementia (CAIDE) score of  ≥ 9; mean age 68.

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Purpose: The present study aims to investigate the prospective effect of depressive symptoms on overall QoL in the oldest age group, taking into account its different facets.

Methods: Data were derived from the multicenter prospective AgeCoDe/AgeQualiDe cohort study, including data from follow-up 7-9 and n = 580 individuals 85 years of age and older. Overall QoL and its facets were assessed using the WHOQOL-OLD instrument.

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Background: Subjective memory complaints and family history of dementia are possibly intertwined risk factors for the own subsequent dementia risk and Alzheimer's disease. However, their interaction has rarely been studied.

Objective: To study the association between subjective memory complaints and family history of dementia with regard to the own subsequent risk of dementia.

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Introduction: We investigated the effectiveness of a multidomain intervention to preserve cognitive function in older adults at risk for dementia in Germany in a cluster-randomized trial.

Methods: Individuals with a Cardiovascular Risk Factors, Aging, and Dementia (CAIDE) risk score ≥ 9 aged 60 to 77 years were recruited. After randomization of their general practitioner (GP), patients received a multidomain intervention (including optimization of nutrition and medication, and physical, social, and cognitive activity) or general health advice and GP treatment as usual over 24 months.

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To develop effective dementia prevention strategies, it is necessary to understand risk factors, associated factors and early signs of dementia. Subjective cognitive decline (SCD) is the earliest form of dementia. The aim of this study is to assess depression as a factor that is significantly associated with SCD.

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Respiratory syncytial virus (RSV) infection is the leading cause of infant hospitalizations and mortality. Lumicitabine, an oral nucleoside analog was studied for the treatment of RSV. The phase 1b and phase 2b studies reported here assessed the safety, pharmacokinetics, and pharmacodynamics of lumicitabine in infants/neonates hospitalized with RSV.

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Background: With the outbreak of COVID-19, government measures including social distancing and restrictions of social contacts were imposed to slow the spread of the virus. Since older adults are at increased risk of severe disease, they were particularly affected by these restrictions. These may negatively affect mental health by loneliness and social isolation, which constitute risk factors for depressiveness.

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Our study aims to examine the associations of sociodemographic factors, social support, resilience, and perceptions of the COVID-19 pandemic with late-life depression and anxiety symptoms in a cardiovascular risk group and a matched sample from the German general population during the beginning of the pandemic and draw a comparison regarding psychosocial characteristics. Data of = 1236 participants (aged 64-81 years) were analyzed, with = 618 participants showing a cardiovascular risk profile, and = 618 participants from the general population. The cardiovascular risk sample had slightly higher levels of depressive symptoms and felt more threatened by the virus due to pre-existing conditions.

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Article Synopsis
  • Social isolation is a potential risk factor for dementia, but its relationship with mortality needs further investigation, especially in older adults.
  • The study analyzed data from 1,161 individuals aged around 86, finding that while a significant portion experienced social isolation, it did not correlate with the development of dementia after accounting for death risk.
  • The results challenge previous findings and suggest that future research should explore longer follow-up periods and deeper insights into social relationships to better understand these dynamics.
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Background: This Phase I, two-part, first-in-human study assessed safety/tolerability and pharmacokinetics/pharmacodynamics of single-ascending doses (SAD) and multiple doses (MD) of the oral toll-like receptor-7 agonist, JNJ-64794964 (JNJ-4964) in healthy adults.

Methods: In the SAD phase, participants received JNJ-4964 0.2 ( = 6), 0.

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Introduction: Only a few studies have investigated incidence and risk factors of depression in the highest age groups. This study aims to determine incidence rates as well as risk factors of incident depressive symptoms in latest life, adjusting for the competing event of mortality.

Methods: Data of a prospective, longitudinal, multi-centered cohort study conducted in primary care - the AgeCoDe-/AgeQualiDe study.

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Objective: Since there is a lack of longitudinal studies in this area, our aim was to identify the determinants of persistent frequent attendance in primary care among the oldest old in Germany.

Methods: Longitudinal data (follow-up wave 7-9) were taken from the multicenter prospective cohort "Study on needs, health service use, costs, and health-related quality of life in a large sample of oldest-old primary care patients (85+)" (AgeQualiDe), covering primary care patients ≥ 85 years (FU7 = 741, mean age 88.9 years (SD 2.

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Article Synopsis
  • The study aimed to explore how social support affects health-related quality of life over time in people aged 85 and older.
  • Using data from over 600 participants in a multicenter study, researchers measured social support and quality of life using specific scales.
  • Results showed that decreases in social support were linked to increasing issues in self-care and mental health, but did not significantly affect overall quality of life scores over time.
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Objectives: Growing evidence suggests a protective effect of high mental demands at work on cognitive function in later life. However, evidence on corresponding associations in older adults at increased risk for dementia is currently lacking. This study investigates the association between mental demands at work and cognitive functioning in the population of the AgeWell.

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Research on anxiety in oldest-old individuals is scarce. Specifically, incidence studies based on large community samples are lacking. The objective of this study is to assess age- and gender-specific incidence rates in a large sample of oldest-old individuals and to identify potential risk factors.

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Introduction: Due to the strong association between old age and the need for long-term care, the number of individuals in need for care is projected to increase noticeably. The aim of this study was to examine the determinants of institutionalization among the oldest old longitudinally.

Methods: Longitudinal data (follow-up [FU] wave 7-9) were gathered from a multicenter prospective cohort study ("Study on needs, health service use, costs and health-related quality of life in a large sample of oldest old primary care patients [85+]," AgeQualiDe).

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To provide initial data on local SARS-CoV-2 epidemiology and spread in indigenous communities in north-eastern Colombia, respiratory swabs and serum samples from volunteers of indigenous communities were examined in March and April 2021. Samples from non-indigenous Colombians from the same villages were included as well. While previous exposure to SARS-CoV-2 was assessed by analysing serum samples for IgG and IgM with a rapid antibody point-of-care-test (POCT), screening for active infections was carried out with an antigen POCT test and real-time PCR from nasal swabs.

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Objectives: Autonomy (defined as self-governance; not equivalent to independence) is relevant to well-being and psychological functioning. However, there is a lack of research on individuals aged >85 years and their perception of autonomy when receiving informal care. This study aims to answer the question if and how the receipt of informal care is associated with perceived autonomy of individuals aged over 85 years.

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Widowhood is common in old age, can be accompanied by serious health consequences and is often linked to substantial changes in social network. Little is known about the impact of social isolation on the development of depressive symptoms over time taking widowhood into account. We provide results from the follow-up 5 to follow-up 9 from the longitudinal study AgeCoDe and its follow-up study AgeQualiDe.

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