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  • Title: Effects of renal sympathetic denervation on blood pressure and glycaemic control in patients with true resistant hypertension: results of Polish Renal Denervation Registry (RDN-POL Registry).
    Author: Kądziela J, Prejbisz A, Kostka-Jeziorny K, Dudek D, Narkiewicz K, Sadowski J, Lekston A, Gziut A, Więcek A, Buszman P, Kleinrok A, Kochman J, Czarnecka D, Januszewicz A, Witkowski A.
    Journal: Kardiol Pol; 2016; 74(9):961-8. PubMed ID: 27160171.
    Abstract:
    BACKGROUND AND AIM: The assessment of percutaneous renal sympathetic denervation (RDN) efficacy in patients with true-resistant hypertension (true-RH) in a newly established net of Polish centres (RDN-POL Registry). METHODS AND RESULTS: Forty-four patients with true-RH (23 men, mean age 52.3 years) with daytime systolic blood pressure (SBP) in ambulatory blood pressure monitoring (ABPM) ≥ 135 mm Hg, on ≥ three antihypertensive agents, including diuretic, underwent RDN and completed 12-month follow-up. Mean reductions of office SBP/diastolic blood pressure were -23.8/-10.0, -12.5/-4.6, and -12.6/-6.1 mm Hg at 3, 6, and 12 months, respectively (all significant except diastolic at 6 months). Diabetes was the only predictor of office SBP reduction at 6 months (OR 9.6, 95% CI 1.4-66.5, p < 0.05). Mean 24-h SBP change was -8.3 mm Hg at 6 months and -4.6 mm Hg at 12 months. Increased 2 h-glucose in oral glucose tolerance test was the only predictor of 24-h SBP reduction at 6 months (OR 1.24 for 10 mg/dL glucose increase, 95% CI 1.04-1.48, p < 0.05). At 12 months, 24-h SBP change predictors were: baseline office SBP (OR 4.93 for 10 mm Hg SBP increment, 95% CI 1.01-24.1, p < 0.05) and 2 h-glucose (OR 1.47, 95% CI 1.08-2.00, p < 0.05). In ABPM responders, significant reduction of 2 h glucose was found as compared to the non-responders (-45.8 vs. -7.7 mg/dL, p < 0.005). CONCLUSIONS: The RDN-POL Registry demonstrated moderate blood pressure decrease after RDN. The predictors of blood pressure reduction were diabetes, 2 h-glucose, and baseline office SBP. Analysis of ABPM responders indicates a probable positive impact of RDN on glycaemic control.
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