Late blood pressure reduction in SHR subjected to transient captopril treatment in youth: possible mechanisms

Title:

Late blood pressure reduction in SHR subjected to transient captopril treatment in youth: possible mechanisms

Creator:

Josef Zicha, Zdena Dobešová, and Jiří Kuneš

Identifier:

https://cdk.lib.cas.cz/client/handle/uuid:680e9ee0-0bf0-4b78-90ff-4451a0a01c94
uuid:680e9ee0-0bf0-4b78-90ff-4451a0a01c94
issn:0862-8408

Subject:

Fyziologie člověka a srovnávací fyziologie, fyziologie, genetika živočichů, hypertenze, physiology, animal genetics, hypertension, genetic hypertension, late effects of early treatment, captopril, nifedipine, 14, and 612

Type:

article, články, model:article, and TEXT

Format:

print, bez média, and svazek

Description:

Spontaneously hypertensive rats (SHR) are characterized by enhanced nifedipine-sensitive component of sympathetic vasoconstriction. Our study tried to elucidate the mechanisms responsible for long-term reduction of blood pressure (BP) in SHR subjected to early transient captopril treatment. Adult untreated SHR aged 30-34 weeks were compared with animals subjected to chronic captopril treatment for 6 weeks either in youth (between 4 and 10 weeks of age) or in adulthood (between 24 and 30 weeks of age). Antihypertensive effects of captopril were more pronounced in young than adult SHR. This was due to greater attenuation of sympathetic and nifedipine-sensitive BP components and prevention of residual BP rise in young captopril-treated SHR in which the reductions of nifedipine-sensitive BP component and residual BP persisted for 20 weeks after captopril withdrawal. The magnitude of nifedipine-sensitive component of sympathetic vasoconstriction is decisive for BP maintenance not only in untreated SHR but also in SHR during active captopril treatment by or after its withdrawal., J. Zicha, Z. Dobešová,J. Kuneš., and Obsahuje bibliografii a bibliografické odkazy

Language:

English

Rights:

http://creativecommons.org/licenses/by-nc-sa/4.0/
policy:public

Source:

Physiological research | 2008 Volume:57 | Number:3

Harvested from:

CDK

Metadata only:

false