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Peer-reviewed veterinary case report

High salt intake elevated blood pressure but not changed circadian blood pressure rhythm in Otsuka Long-Evans Tokushima Fatty (OLETF) rat.

Journal:
Clinical and experimental hypertension (New York, N.Y. : 1993)
Year:
2009
Authors:
Matsumoto, Mika et al.
Affiliation:
Department of Internal Medicine · Japan
Species:
rodent

Abstract

We examined the effect of high salt intake on mean arterial pressure and circadian blood pressure rhythm in Otsuka Long-Evans Tokushima Fatty (OLETF) rats, a model of type II diabetes mellitus. Mean arterial pressure, fasting blood glucose, and fasting plasma insulin in OLETF rats were higher than those in LETO rats, their normoglycemic controls. The amplitude of circadian blood pressure rhythm in LETO rats was smaller than that in OLETF rats. High salt intake elevated blood pressure and exacerbated hyperinsulinemia, but did not change the circadian blood pressure rhythm in OLETF rats.

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Original publication: https://pubmed.ncbi.nlm.nih.gov/19387903/