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The exact etiology of ischemic stroke remains unclear, because multiple genetic predispositions and environmental risk factors may be involved, and their interactions dictate the complexity. Family-based studies provide unique features in design because of their robustness to population admixture and stratification. The Fangshan / Family-based Ischemic Stroke Study In China (FISSIC) program aims to conduct a genetic pedigree study of ischemic stroke in rural communities of China.
The FISSIC program is a community-based and hospital-centered genetic epidemiological study of ischemic stroke. The study design has two components: first, a family-based study of ischemic stroke pedigrees, including probands, their siblings, and their parents; second, the traditional matched case-control study of ischemic stroke cases and their unaffected spouses. Cases with confirmed ischemic stroke are included as probands; after their informed consent is obtained, their parents, siblings, and unaffected spouses are recruited and screened by using the proband-initiated contact method. Stroke status is verified at the central hospital, and the index stroke for each case is subtyped by medical records. Baseline clinical and demographic data are collected by questionnaire, and longitudinal follow-up visits are scheduled. Blood samples are collected from all enrolled participants through the three-tier prevention and health care network (village, township and county level) in the study area. The samples are sent to the central laboratory for processing, testing, and genotyping. The genotype data are then merged with the clinical, environmental, and follow-up data for analysis. Comprehensive statistical methods are applied to both family-based and case-control data to ascertain potential complex genetic and environmental factors and their interactions.
Observational Model: Family-Based, Time Perspective: Cross-Sectional
The First Hospital of Fangshan District
Published on BioPortfolio: 2014-08-27T03:36:00-0400
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Restoration of functions to the maximum degree possible in a person or persons suffering from a stroke.
Stroke caused by lacunar infarction or other small vessel diseases of the brain. It features hemiparesis (see PARESIS), hemisensory, or hemisensory motor loss.
A group of pathological conditions characterized by sudden, non-convulsive loss of neurological function due to BRAIN ISCHEMIA or INTRACRANIAL HEMORRHAGES. Stroke is classified by the type of tissue NECROSIS, such as the anatomic location, vasculature involved, etiology, age of the affected individual, and hemorrhagic vs. non-hemorrhagic nature. (From Adams et al., Principles of Neurology, 6th ed, pp777-810)
A condition caused by the failure of body to dissipate heat in an excessively hot environment or during PHYSICAL EXERTION in a hot environment. Contrast to HEAT EXHAUSTION, the body temperature in heat stroke patient is dangerously high with red, hot skin accompanied by DELUSIONS; CONVULSIONS; or COMA. It can be a life-threatening emergency and is most common in infants and the elderly.
A strain of Rattus norvegicus with elevated blood pressure used as a model for studying hypertension and stroke.
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Stroke - Cerebrovascular Disease (CVA)
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