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  • Title: Organ damage changes in patients with resistant hypertension randomized to renal denervation or spironolactone: The DENERVHTA (Denervación en Hipertensión Arterial) study.
    Author: Oliveras A, Armario P, Sans L, Clarà A, Vázquez S, Molina L, Pareja J, de la Sierra A, Pascual J.
    Journal: J Clin Hypertens (Greenwich); 2018 Jan; 20(1):69-75. PubMed ID: 29316186.
    Abstract:
    Renal denervation and spironolactone have both been proposed for the treatment of resistant hypertension, but their effects on preclinical target organ damage have not been compared. Twenty-four patients with 24-hour systolic blood pressure ≥140 mm Hg despite receiving three or more full-dose antihypertensive drugs, one a diuretic, were randomized to receive spironolactone or renal denervation. Changes in 24-hour blood pressure, urine albumin excretion, arterial stiffness, carotid intima-media thickness, and left ventricular mass index were evaluated at 6 months. Mean baseline-adjusted difference between the two groups (spironolactone vs renal denervation) at 6 months in 24-hour systolic blood pressure was -17.9 mm Hg (95% confidence interval [CI], -30.9 to -4.9; P = .01). Mean baseline-adjusted change in urine albumin excretion was -87.2 (95% CI, -164.5 to -9.9) and -23.8 (95% CI, -104.5 to 56.9), respectively (P = .028). Mean baseline-adjusted variation of 24-hour pulse pressure was -13.5 (95% CI, -18.8 to -8.2) and -2.1 (95% CI, -7.9 to 3.7), respectively (P = .006). The correlation of change in 24-hour systolic blood pressure with change in log-transformed urine albumin excretion was r = .713 (P < .001). At 6 months there was a reduction in albuminuria in patients with resistant hypertension treated with spironolactone as compared with renal denervation.
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