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Clonidine and the kidney.

H D Itskovitz

    Journal of Cardiovascular Pharmacology
    |January 1, 1980
    PubMed
    Summary
    This summary is machine-generated.

    Clonidine effectively manages hypertension by maintaining renal blood flow and glomerular filtration rate. While transient salt and water retention may occur, it is manageable, and the drug is well-tolerated in various hypertensive conditions.

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    Area of Science:

    • Nephrology
    • Pharmacology
    • Cardiology

    Background:

    • Hypertension management requires agents that preserve renal function.
    • Clonidine is an antihypertensive medication with known effects on hemodynamics.

    Purpose of the Study:

    • To evaluate the impact of clonidine on renal hemodynamics and function in hypertensive patients.
    • To assess the efficacy and tolerability of clonidine in diverse hypertensive populations, including those with renal impairment and on hemodialysis.

    Main Methods:

    • Observational analysis of hypertensive patients treated with clonidine.
    • Monitoring of renal blood flow, glomerular filtration rate, and renin secretion.
    • Assessment of salt and water excretion, and renal function over extended treatment periods (up to 5 years).

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    Main Results:

    • Clonidine treatment maintained renal blood flow and glomerular filtration rate.
    • Renin secretion was reduced during clonidine therapy.
    • A transient tendency for salt and water retention was observed, often mitigated by diuretics.
    • No renal function deterioration was noted in primary hypertension patients over 5 years.
    • Clonidine proved effective and well-tolerated in renal hypertension and in patients on chronic hemodialysis.

    Conclusions:

    • Clonidine is a valuable antihypertensive agent that preserves renal hemodynamics and function.
    • Its efficacy extends to patients with renal hypertension and those undergoing hemodialysis, with careful dose adjustment for renal excretion.
    • Concomitant diuretic use can manage transient fluid retention during clonidine therapy.