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Review
. 2000 Oct;58(10):319-23.
doi: 10.1111/j.1753-4887.2000.tb01827.x.

Diuretics and vitamin B1: are diuretics a risk factor for thiamin malnutrition?

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Review

Diuretics and vitamin B1: are diuretics a risk factor for thiamin malnutrition?

P M Suter et al. Nutr Rev. .
Free article

Abstract

Despite modern pharmacologic agents in the therapy of heart failure, the prevalence of heart failure is increasing worldwide. In the vitamin B1 deficiency disease beriberi, cardiac symptoms may represent the central feature. Two new studies confirmed that all diuretics lead to increased urinary thiamin excretion depending on the urinary flow rate. In a subject at risk, such as an elderly patient, chronic diuretic treatment may lead to a subclinical thiamin deficiency. Whether subclinical thiamin nutriture is a modulator of the prevalence and/or severity of heart failure is not known; however, it seems to be plausible from the metabolic point of view.

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