Dynamics of blood pressure elevation and endothelial dysfunction in SHR rats during the development of arterial hypertension A. M. Anishchenko, O. I. Aliev, A. V. Sidekhmenova [et.al.]
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ArticleSubject(s): артериальное давление | эндотелиальная дисфункция | артериальная гипертензияGenre/Form: статьи в журналах Online resources: Click here to access online
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Bulletin of experimental biology and medicine Vol. 159, № 5. P. 591-593Abstract: The dynamics of systolic and diastolic BP and vasodilatory activity of the endothelium in SHR and Wistar-Kyoto rats was studied from the 5th to the 12th week of life. Systolic and diastolic BP did not differ in 5-week-old SHR and Wistar-Kyoto rats. After the 6th week of life, two stages of arterial hypertension development were observed in SHR. Stage 1 (weeks 6-8) was characterized by a significant increase in systolic and diastolic BP that exceeded the corresponding parameters in Wistar-Kyoto rats by 26-32%. Vasodilatory activity of the endothelium was similar in rats of both strains at the age of 5-7 weeks. Stage 2 (weeks 9-12) in SHR rats was characterized by further increase in systolic and diastolic BP that exceeded the corresponding parameters in Wistar-Kyoto rats by 54-89%. The increase in BP during this period was accompanied by a significant decrease in endothelium-dependent relaxation (by 14-16% compared to that in Wistar-Kyoto rats of the same age).
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The dynamics of systolic and diastolic BP and vasodilatory activity of the endothelium in SHR and Wistar-Kyoto rats was studied from the 5th to the 12th week of life. Systolic and diastolic BP did not differ in 5-week-old SHR and Wistar-Kyoto rats. After the 6th week of life, two stages of arterial hypertension development were observed in SHR. Stage 1 (weeks 6-8) was characterized by a significant increase in systolic and diastolic BP that exceeded the corresponding parameters in Wistar-Kyoto rats by 26-32%. Vasodilatory activity of the endothelium was similar in rats of both strains at the age of 5-7 weeks. Stage 2 (weeks 9-12) in SHR rats was characterized by further increase in systolic and diastolic BP that exceeded the corresponding parameters in Wistar-Kyoto rats by 54-89%. The increase in BP during this period was accompanied by a significant decrease in endothelium-dependent relaxation (by 14-16% compared to that in Wistar-Kyoto rats of the same age).
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