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This database contains 244 studies, archived under the term: "Cohort Study"

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Early ambulation produces favorable outcome and nondemential state in aneurysmal subarachnoid hemorrhage patients older than 70 years of age

Background: We analyzed consecutive subarachnoid hemorrhage (SAH) cases in patients older than 70 years of age who underwent aneurysm surgery. We report the influence of early ambulation on outcome in advanced-age SAH.; Methods: From 2005 through 2010, 71 aneurysmal SAH cases whose Hunt-Hess grades ranged from 1 to 3 were included. All cases underwent clip […]

Current treatments of Alzheimer disease: are main caregivers satisfied with the drug treatments received by their patients?

Background/aims: A full comparison of the satisfaction with treatment using the current Alzheimer’s disease (AD) therapies from the perspective of caregivers has not yet been done. The aim of this study was thus to find out the degree of satisfaction with the main available drug treatments in monotherapy for AD from this point of view.; […]

Postoperative medical complications associated with anesthesia in older adults with dementia

Objectives: To examine the association between anesthetic technique and postoperative complications in older adults with dementia undergoing hip fracture surgery.; Design: Population-based, retrospective cohort study.; Setting: Ontario, Canada.; Participants: All older adults with dementia who underwent surgery for hip fracture repair in Ontario, Canada, between April 1, 2003 and March 31, 2011.; Measurements: The baseline […]

Detection of cognitive impairment and dementia using the animal fluency test: the DECIDE study

Objectives: To evaluate the performance of a one-minute screening test measured against a validated 10-minute screening test for mild cognitive impairment (MCI) in detecting CI in patients aged > or = 65 years with two or more vascular risk factors (VRF).; Methods: Patients (n=1523) aged 65 years or older without documented CI symptoms or dementia […]

Glucose metabolism and PIB binding in carriers of a His163Tyr presenilin 1 mutation

Six young related pre-symptomatic carriers of a His163Tyr mutation in the presenilin 1 gene who will develop early onset familial Alzheimer’s disease (eoFAD), and a control group of 23 non-carriers underwent (18)F-fluorodeoxyglucose positron emission tomography (FDG PET). The mutation carriers were followed-up after 2 years. Multivariate analysis showed clear separation of carriers from non-carriers on […]

Treatment with cholinesterase inhibitors and memantine of patients in the Alzheimer’s Disease Neuroimaging Initiative

Objectives: To assess the clinical characteristics and course of patients with mild cognitive impairment (MCI) and mild Alzheimer disease (AD) treated with cholinesterase inhibitors (ChEIs) and memantine hydrochloride.; Design: Cohort study.; Setting: The 59 recruiting sites for the Alzheimer’s Disease Neuroimaging Initiative (ADNI).; Participants: Outpatients with MCI and AD in ADNI.; Main Outcome Measures: The […]

Development and validation of the Inventory of Needs in Memory Impairment (BIG-65): illness-related needs in people with cognitive impairment and dementia

Background: There is growing evidence that individuals with cognitive impairment and dementia require systematic assessment of needs for the selection of optimal treatments. Currently no valid instrument is applicable for illness-related need assessment in this growing population.; Method: The purpose of this study was to develop and validate a new instrument (“Bedürfnisinventar bei Gedächtnisstörungen”, BIG-65) […]

Additional use of Aβ₄₂/Aβ₄₀ ratio with cerebrospinal fluid biomarkers P-tau and Aβ₄₂ increases the level of evidence of Alzheimer’s disease pathophysiological process in routine practice

Background: Cerebrospinal fluid (CSF) biomarkers have recently been included in the criteria for the diagnosis of Alzheimer’s disease (AD). Since interpretation of CSF profile requires the combination of three parameters, biological data are not always conclusive and isolated elevation of phosphorylated tau (P-tau) or reduction of amyloid-β (Aβ)42 alone can be observed. In these cases, […]

Impact of smoking on cognitive decline in early old age: the Whitehall II cohort study

Context: Smoking is a possible risk factor for dementia, although its impact may have been underestimated in elderly populations because of the shorter life span of smokers.; Objective: To examine the association between smoking history and cognitive decline in the transition from midlife to old age.; Design: Cohort study.; Setting: The Whitehall II study. The […]

The effect of midlife physical activity on structural brain changes in the elderly

Physical activity has been associated with decreased dementia risk in recent studies, but the effects for structural brain changes (i.e. white matter lesions (WML) and/or brain atrophy) have remained unclear. The CAIDE participants were a random population-based sample studied in midlife and re-examined on average 21 years later (n=2000). A subpopulation (n=75; 31 control, 23 […]

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