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BACKGROUND AND PURPOSE: Observational data suggest that hormone replacement therapy (HRT) reduces morbidity and mortality from cardiovascular disease in healthy postmenopausal women. The mechanisms underlying this protection are not entirely clear but may include
OBJECTIVE: To estimate the genetic influence on the occurrence of radiologic osteoarthritis (ROA) in the knees, hips, and hands and disc degeneration of the spine in the general population. METHODS: A random sample of 1,583 individuals was drawn to estimate the prevalence of ROA and disc degeneratio
AIMS: To determine the prevalence of heart failure and symptomatic as well as asymptomatic left ventricular systolic dysfunction in the general population. METHODS AND RESULTS: In 5540 participants of the Rotterdam Study (age 68.9+/-8.7 years, 2251 men) aged 55-95 years
Mutations at codons 717 and 670/671 in the amyloid precursor protein (APP) are rare genetic causes of familial Alzheimer's disease (AD). A mutation at codon 693 of APP has also been described as the genetic defect in hereditary cerebral hemorrhage with amyloidosis of the Dutch type (HCHWA-D). We hav
OBJECTIVE: To assess the contribution of radiological osteoarthritis of the hips and knees to disabilities in the activities of daily living related to lower limb function. METHODS: During a home interview 1156 men and 1739 women, randomly chosen from the source populat
OBJECTIVE: A genetic association study was performed to investigate whether radiographical osteoarthritis (ROA) was associated with specific genotypes of the insulin-like growth factor I (IGF-1) gene. METHODS: Subjects aged 55-65 years were selected from a population-based study of which ROA at the
BACKGROUND: Osteoporosis is a common disorder with a strong genetic component. One way in which the genetic component could be expressed is through polymorphism of COLIA1, the gene for collagen type Ialpha1, a bone-matrix protein. METHODS: We determined the COLIA1 genot
The objective of this study was to investigate the relation between the peripheral concentrations of the adrenal steroid hormones cortisol and dehydroepiandrosterone sulfate (DHEAS) and cognitive impairment and decline. A prospective study design was used. The setting w
OBJECTIVE: To investigate to what extent age-related maculopathy (ARM) is genetically determined. DESIGN AND SETTING: Familial aggregation study based on probands derived from the population-based Rotterdam Study. PARTICIPANTS: First-degree relatives of 87 patients with late ARM, i.e., atrophic or n
OBJECTIVES: To study familial aggregation of primary open-angle glaucoma in a general population and to determine the absolute and relative risks for first-degree relatives. METHODS: First-degree relatives of patients with glaucoma (n = 48) and control subjects (n = 155) from the population-based Ro
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