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Alzheimers Dement ; 17 Suppl 7: e057692, 2021 Dec.
Article in English | MEDLINE | ID: covidwho-1664387

ABSTRACT

BACKGROUND: As the world grapples with the COVID-19 pandemic, there have been widespread disruptions to everyday life due to social distancing. Older adults with Alzheimer disease (AD) are at increased risk of morbidity and mortality from COVID-19. It is unknown how COVID-19 affects the mobility patterns of older adults with preclinical AD. Since before the pandemic, we have been monitoring the driving behaviors of older adults, enabling us to evaluate the impact of the pandemic on individuals with and without preclinical AD. METHOD: We used in-vehicle Global Positioning System (GPS) devices to study driving behaviors of 115 older adults enrolled in the DRIVES study (aged 65+) from 1/1/2019 to 31/12/2020. The cohort included 62 individuals with preclinical AD (PreAD) and 53 without preclinical AD (CTL), as determined by cerebrospinal fluid biomarkers. All participants completed an online survey about their overall experiences during the pandemic. Using the GPS data, we determined the average monthly distance travelled, and the number of visitations to destinations categorized as food shopping, place of worship, restaurant, leisure, or health. All measures were computed monthly. RESULT: oth groups experienced an approximate 40% decline in average monthly distance travelled overall after the start of the pandemic (PreAD: 1287.92 to 783.38 km vs. CTL: 1751.26 to 1053.29 km). Visits to places of worship, restaurants, leisure and health places declined by 70%, 46%, 23%, and 23% for the PreAD group, and by 48%, 31%, 48%, and 22% for the CTL group, respectively. However, the pandemic did not result in a significant decline in Food Shopping among either of the groups. Overall, compared to the CTL group, the PreAD group experienced a higher level of stress in response to the recommendations for socially distancing (p<0.01), more uncertainty about their risk of COVID-19 (p<0.05), more decline in trips for worship (p<0.05) and less decline in trips for leisure (p<0.01). CONCLUSION: Our findings indicate decreased mobility in all older adults during the pandemic, with the preclinical AD group exhibiting more decline in trips to places of worship, less decline in leisure activities, and increased stress and uncertainty in response to COVID-19.

2.
J Alzheimers Dis ; 76(1): 27-31, 2020.
Article in English | MEDLINE | ID: covidwho-637281

ABSTRACT

The coronavirus disease 2019 (COVID-19) pandemic led to an abrupt halt of many Alzheimer's disease (AD) research studies at sites spanning the world. This is especially true for studies requiring in-person contact, such as studies collecting biofluids. Since COVID-19 is likely to remain a threat for an extended period, the resumption of fluid biomarker studies requires the development and implementation of procedures that minimize the risk of in-person visits to participants, staff, and individuals handling the biofluid samples. Some issues to consider include structuring the visit workflow to minimize contacts and promote social distancing; screening and/or testing participants and staff for COVID-19; wearing masks and performing hand hygiene; and precautions for handling, storing, and analyzing biofluids. AD fluid biomarker research remains a vitally important public health priority and resuming studies requires appropriate safety procedures to protect research participants and staff.


Subject(s)
Alzheimer Disease/metabolism , Betacoronavirus , Coronavirus Infections/metabolism , Health Personnel/trends , Patient Safety , Personal Protective Equipment , Pneumonia, Viral/metabolism , Alzheimer Disease/diagnosis , Biomarkers/metabolism , Body Fluids/metabolism , COVID-19 , Coronavirus Infections/diagnosis , Coronavirus Infections/transmission , Humans , Pandemics , Personal Protective Equipment/trends , Pneumonia, Viral/diagnosis , Pneumonia, Viral/transmission , SARS-CoV-2
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