Cerebrovascular diseases (Basel, Switzerland) · 2009
Diastolic wall shear stress in the internal carotid artery is associated with different cardiovascular risk factors than systolic wall shear stress.
Сравнительное исследованиеСтатьяРандомизированное исследованиеПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Palm-Meinders Inge H, Box Frieke M A, de Craen Anton J M, Blauw Gerard J, van Buchem Mark A, van der Grond Jeroen
Аннотация
BACKGROUND AND PURPOSE: Wall shear stress (WSS) is the frictional force exerted by the circulating blood on the endothelium. Low systolic WSS is identified as an atherosclerotic risk factor. Recently, also the importance of diastolic WSS has been described. Still, it is unknown whether diastolic WSS carries similar cardiovascular risk factors compared to systolic WSS.
METHODS: Of 379 subjects (70-82 years, 56% male) diastolic and systolic WSS in the internal carotid arteries was determined.
RESULTS: After adjustment for age and gender, diastolic blood pressure was associated with systolic WSS (p = 0.02). Body mass index was associated with diastolic WSS (p = 0.04). Smoking was associated with diastolic WSS (p = 0.05). Myocardial infarction was associated with both systolic WSS (p = 0.04) and diastolic WSS (p < 0.01). No associations between cholesterol, HDL, LDL, triglycerides, history of diabetes, hypertension, angina pectoris, claudication, stroke, or any vascular disease were found with systolic or diastolic WSS.
CONCLUSIONS: Our data indicates different cardiovascular risk factors for diastolic WSS compared to systolic WSS.
METHODS: Of 379 subjects (70-82 years, 56% male) diastolic and systolic WSS in the internal carotid arteries was determined.
RESULTS: After adjustment for age and gender, diastolic blood pressure was associated with systolic WSS (p = 0.02). Body mass index was associated with diastolic WSS (p = 0.04). Smoking was associated with diastolic WSS (p = 0.05). Myocardial infarction was associated with both systolic WSS (p = 0.04) and diastolic WSS (p < 0.01). No associations between cholesterol, HDL, LDL, triglycerides, history of diabetes, hypertension, angina pectoris, claudication, stroke, or any vascular disease were found with systolic or diastolic WSS.
CONCLUSIONS: Our data indicates different cardiovascular risk factors for diastolic WSS compared to systolic WSS.