Results 71 to 80 of about 45,438,228 (409)

Semantic loss marks early Alzheimer's disease-related neurodegeneration in older adults without dementia [PDF]

open access: yes, 2020
Objective: To assess progression of semantic loss in early stages of cognitive decline using semantic and letter fluency performance, and its relation with Alzheimer's disease (AD)-specific neurodegeneration using longitudinal multimodal neuroimaging ...
MEMENTO cohort Study Group
core  

Falls in advanced old age: recalled falls and prospective follow-up of over-90-year-olds in the Cambridge City over-75s Cohort study. [PDF]

open access: yes, 2011
BACKGROUND: The "oldest old" are now the fastest growing section of most western populations, yet there are scarcely any data concerning even the common problem of falls amongst the very old. Prospective data collection is encouraged as the most reliable
Brayne, Carol   +3 more
core   +1 more source

Infant and Child MRI: A Review of Scanning Procedures

open access: yesFrontiers in Neuroscience, 2021
Magnetic resonance imaging (MRI) is a safe method to examine human brain. However, a typical MR scan is very sensitive to motion, and it requires the subject to lie still during the acquisition, which is a major challenge for pediatric scans ...
Anni Copeland   +26 more
doaj   +1 more source

Clinical outcomes of hospitalised patients with COVID-19 and chronic inflammatory and autoimmune rheumatic diseases: a multicentric matched cohort study

open access: yesAnnals of the Rheumatic Diseases, 2020
Objectives The impact of inflammatory rheumatic diseases on COVID-19 severity is poorly known. Here, we compare the outcomes of a cohort of patients with rheumatic diseases with a matched control cohort to identify potential risk factors for severe ...
J. Pablos   +14 more
semanticscholar   +1 more source

Pregnancy is associated with elevation of liver enzymes in HIV-positive women on antiretroviral therapy. [PDF]

open access: yes, 2015
The objective of this study is to assess whether pregnancy is associated with an increased risk of liver enzyme elevation (LEE) and severe LEE in HIV-positive women on antiretroviral therapy (ART)
Anderson, J   +9 more
core   +1 more source

Unlocking the potential of tumor‐derived DNA in urine for cancer detection: methodological challenges and opportunities

open access: yesMolecular Oncology, EarlyView.
Urine is a rich source of biomarkers for cancer detection. Tumor‐derived material is released into the bloodstream and transported to the urine. Urine can easily be collected from individuals, allowing non‐invasive cancer detection. This review discusses the rationale behind urine‐based cancer detection and its potential for cancer diagnostics ...
Birgit M. M. Wever   +1 more
wiley   +1 more source

Employment 12 months after kidney transplantation: an in-depth bio-psycho-social analysis of the Swiss Transplant Cohort [PDF]

open access: yes, 2017
Return to work with or after a chronic disease is a dynamic process influenced by a variety of interactions between personal, work, societal and medical resources or constraints.
Danuser, Brigitta   +5 more
core   +8 more sources

CohortVA: A Visual Analytic System for Interactive Exploration of Cohorts based on Historical Data [PDF]

open access: yesarXiv, 2022
In history research, cohort analysis seeks to identify social structures and figure mobilities by studying the group-based behavior of historical figures. Prior works mainly employ automatic data mining approaches, lacking effective visual explanation.
arxiv  

Cohort Profile: The Nigerian HIV Geriatric Cohort Study [PDF]

open access: yesBMC Public Health, 2019
Abstract Background: An estimated 280,000 adults aged 50 years and above live with HIV in Nigeria, a population set to increase with ART efficacy and expanding coverage. To learn how elderly people living with HIV (EPLHIV) in Nigeria fare, despite not being prioritized by the national treatment program, and to deepen knowledge for their ...
Patrick Dakum   +11 more
openaire   +4 more sources

An ecological systems approach to examining risk factors for early childhood overweight: findings from the UK Millennium Cohort Study [PDF]

open access: yes, 2009
Objective: To use an ecological systems approach to examine individual-, family-, community- and area-level risk factors for overweight (including obesity) in 3-year-old children. Methods: A prospective nationally representative cohort study conducted in
Cole, T.J.   +3 more
core  

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