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[Antihypertensive therapy optimization and endothelial function in patients with gout and chronic urate

M V Lebedeva, T Iu Stakhova, L I Zaĭtseva

    Terapevticheskii Arkhiv
    |August 25, 2010
    PubMed

    Insights

    Combination antihypertensive therapy effectively treats endothelial dysfunction in patients with gout and chronic urate tubulointestinal nephritis (UTIN). This treatment reduces microalbuminuria and endothelin-1 levels, improving kidney function and blood pressure.

    Area of Science:

    • Nephrology
    • Cardiology
    • Rheumatology

    Background:

    • Chronic urate tubulointestinal nephritis (UTIN) and articular gout are associated with endothelial dysfunction.
    • Patients often exhibit microalbuminuria (MAU) and elevated serum endothelin-1 (ET-1) levels, indicating renal damage and impaired endothelial function.
    • Arterial hypertension is common in these patients, further exacerbating cardiovascular and renal risks.

    Purpose of the Study:

    • To characterize markers of endothelial dysfunction in patients with UTIN and articular gout.
    • To evaluate the impact of antihypertensive drugs on these markers.
    • To assess the efficacy of combination therapy in managing hypertension and endothelial dysfunction.

    Main Methods:

    • Study included 81 patients (39-59 years) with gout, urate nephropathy, and grade 1-2 hypertension.
    • Monitored glomerular filtration rate (GFR), MAU, and serum ET-1 levels.
    • Patients received 12 months of combination therapy with ACE inhibitors/ARBs and calcium channel blockers.

    Main Results:

    • All patients presented with MAU and elevated ET-1 before treatment.
    • Combination therapy significantly reduced albuminuria and ET-1 concentrations.
    • Antihypertensive treatment lowered blood pressure and increased GFR, indicating improved renal function.

    Conclusions:

    • Combination antihypertensive therapy, including ACE inhibitors or ARBs, effectively resolves endothelial dysfunction markers in patients with gout and UTIN.
    • This therapeutic approach improves renal function and blood pressure control.
    • The findings highlight the importance of managing hypertension to mitigate endothelial dysfunction in this patient population.
    Abstract

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