[Diuretic-based therapy]

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Claire Presne,Matthieu Monge,Janette Mansour,Roxana Oprisiu,Gabriel Choukroun,Jean Michel Achard,Albert Fournier,Claire Presne,Matthieu Monge,Janette Mansour,Roxana Oprisiu,Gabriel Choukroun,Jean Michel Achard,Albert Fournier,Claire Presne,Matthieu Monge,Janette Mansour,Roxana Oprisiu,Gabriel Choukroun,Jean Michel Achard,Albert Fournier,

Diuretics are pharmacological agents that increase natriuresis through inhibition of tubular re-absorption of sodium. The mechanisms and site of this inhibition differ with each drug class, accounting for their additive effects on natriuresis increase and their hydroelectrolytic side effects. The response to a given diuretic dose depends on the diuretic concentration on the urine at its action site. This concentration may be decreased by pharmacokinetic factors such as encountered in renal insufficiency or in nephrotic syndrome. These resistance mechanisms of diuretics may be corrected by dose increase, previous diuretic fixation on albumin or warfarin administration. Once these mechanisms are opposed, the diuretic concentration for maximal efficacy is reached at is action site and the natriuresis obtained as the normal maximal plateau. This is not the case when an oedematous systemic disease with effective hypovolemia is present, like in heart failure or cirrhosis, or when chronic use of loop diuretics has induced a hypertrophy of the more distant part of the tubule. In theses cases, a pharmacodynamic resistance exists, resulting in a lower maximal natriuresis plateau in spite of adequate concentration of the diuretic at its action site, even in the absence of pharmacokinetic resistance factors. The main indications of diuretics are systemic oedematous disease and hypertension. In the oedematous diseases, diuretics indication is both straightforward and sufficient only if effective hypervolemia is present. The therapeutic approach is discussed according to the various clinical conditions and pathophysiological background. In uncomplicated hypertension, diuretics are the cornerstone of the therapy. The most suitable diuretic treatment for hypertension is an association of low doses thiazide (12.5-50 mg/day) with potassium sparing diuretics. Rare indications of diuretics are also reviewed.

[Diuretic-based therapy] Publishing Authors By Initials

C Presne,M Monge,J Mansour,R Oprisiu,G Choukroun,JM Achard,A Fournier,C Presne,M Monge,J Mansour,R Oprisiu,G Choukroun,JM Achard,A Fournier,C Presne,M Monge,J Mansour,R Oprisiu,G Choukroun,JM Achard,A Fournier,

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[Diuretic-based therapy] Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Néphrologie & thérapeutique

VOLUME: 3

Page Numbers: 392-426

Journal Abbreviation: Nephrol. Ther.

ISSN: 1769-7255

DAY: 27

MONTH: 07

YEAR: 2007

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LANGUAGE: fre

NlmUniqueID: 101248950

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Grant and Affiliation Information for [Diuretic-based therapy]

AFFILIATION: Service de néphrologie médecine interne-réanimation médicale, CHU d'Amiens, hôpital Sud, avenue René-Laennec 80054 Amiens cedex 01, France.

Country: France

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MEDLINETA: Nephrol Ther

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