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This database contains 10 studies, archived under the term: "proportional hazards models"

Depressive symptoms, antidepressant use, and future cognitive health in postmenopausal women: the Women’s Health Initiative Memory Study
Background: Antidepressants are commonly prescribed medications in the elderly, but their relationship with incident mild cognitive impairment (MCI) and probable dementia is unknown.; Methods: The study cohort included 6,998 cognitively healthy, postmenopausal women, aged 65-79 years, who were enrolled in a hormone therapy clinical trial and had baseline depressive symptoms and antidepressant use history assessments […]

Extended results of the Alzheimer’s disease anti-inflammatory prevention trial
Background: Epidemiologic evidence suggests that nonsteroidal anti-inflammatory drugs (NSAIDs) delay onset of Alzheimer’s dementia (AD), but randomized trials show no benefit from NSAIDs in patients with symptomatic AD. The Alzheimer’s Disease Anti-inflammatory Prevention Trial (ADAPT) randomized 2,528 elderly persons to naproxen or celecoxib versus placebo for 2 years (standard deviation = 11 months) before treatments […]

Association of 9-hydroxy risperidone concentrations with risk of switching or discontinuation in the clinical antipsychotic trial of intervention effectiveness-Alzheimer’s disease trial
Risperidone has been used to treat behavioral symptoms, such as delusions and agitation, in people with Alzheimer’s disease. The relationship between magnitude and variability of risperidone and 9-hydroxy risperidone exposure and the relationship with time to discontinuation of the medication were explored. Sixty-five subjects from the Clinical Antipsychotic Trial of Intervention Effectiveness-Alzheimer’s Disease Trial that […]

Effects of gender on response to treatment with rivastigmine in mild cognitive impairment: A post hoc statistical modeling approach
Background: Epidemiologic studies have identified several demographic factors, including gender, that may influence the progression from mild cognitive impairment (MCI) to Alzheimer’s disease (AD).; Objective: This analysis aimed to develop a sensitive model for detecting treatment benefits in patients with MCI by controlling for factors that predict progression to AD. The study used this statistical […]

Atypical antipsychotic use and parkinsonism in dementia: effects of drug, dose, and sex
Background: Differences between atypical antipsychotics in their potential to cause parkinsonism and risk factors for antipsychotic-induced parkinsonism are not well established. There is a particular paucity of information on this in real-world use of these drugs, outside of clinical trial settings.; Objective: We compared the incidence of parkinsonism after new treatment with risperidone, olanzapine, or […]

Antidementia drug use among community-dwelling individuals with Alzheimer’s disease in Finland: a nationwide register-based study
The objective of this study was to investigate the prevalence of acetylcholinesterase inhibitor (AChEI) and memantine use, duration of treatment, concomitant use of these drugs, and factors associated with the discontinuation of AChEI therapy during 2006-2009. We utilized data from a nationwide sample of community-dwelling individuals with a clinically verified Alzheimer’s disease diagnosed during the […]

A multidimensional home-based care coordination intervention for elders with memory disorders: the maximizing independence at home (MIND) pilot randomized trial
Objectives: To assess whether a dementia care coordination intervention delays time to transition from home and reduces unmet needs in elders with memory disorders.; Design: 18-month randomized controlled trial of 303 community-living elders.; Setting: 28 postal code areas of Baltimore, MD.; Participants: Age 70+ years, with a cognitive disorder, community-living, English-speaking, and having a study […]

Platelet decline as a predictor of brain injury in HIV infection
An association between platelet decline and increased risk of progression to dementia has been observed in an advanced HIV infection cohort study. This investigation evaluated the prognostic significance of platelet decline for dementia, for psychomotor slowing, and for brain injury, as quantified in vivo, in a much larger population of HIV+ men. Platelet counts and […]

Increased pulse pressure linked to dementia: further results from the Hypertension in the Very Elderly Trial – HYVET
Objectives: High blood pressure (BP) has been associated with increased risk of dementia. Concerns have been raised about lowering BP too far in the very elderly and thereby increasing risk. There is some evidence to suggest a potential ‘J’-shaped relationship between DBP and risk of cognitive impairment. This was investigated using data from the HYpertension […]

Irritable bowel syndrome correlates with increased risk of Parkinson’s disease in Taiwan
This study investigated whether an association exists between irritable bowel syndrome (IBS) and the risk of Parkinson’s disease. This is a retrospective cohort study using the dataset of the Taiwan National Health Insurance Program from 2000 to 2010. We identified 23,875 patients (aged 20 years or older) with newly diagnosed IBS as the IBS group […]

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