Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/94240
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Type: Journal article
Title: Catheter-based renal denervation for resistant hypertension: 12-month results of the EnligHTN I first-in-human study using a multielectrode ablation system
Author: Papademetriou, V.
Tsioufis, C.
Sinhal, A.
Chew, D.
Meredith, I.
Malaiapan, Y.
Worthley, M.
Worthley, S.
Citation: Hypertension, 2014; 64(3):565-572
Publisher: Lippincott Williams and Wilkins
Issue Date: 2014
ISSN: 0194-911X
1524-4563
Statement of
Responsibility: 
Vasilios Papademetriou, Costas P. Tsioufis, Ajay Sinhal, Derek P. Chew, Ian T. Meredith, Yuvi Malaiapan, Matthew I. Worthley, Stephen G. Worthley
Abstract: Renal denervation has emerged as a novel approach for the treatment of patients with drug-resistant hypertension. To date, only limited data have been published using multielectrode radiofrequency ablation systems. In this article, we present the 12-month data of EnligHTN I, a first-in-human study using a multielectrode ablation catheter. EnligHTN I enrolled 46 patients (average age, 60±10 years; on average 4.7±1.0 medications) with drug-resistant hypertension. Eligible patients were on ≥3 antihypertensive medications and had a systolic blood pressure (BP) ≥160 mm Hg (≥150 mm Hg for diabetics). Bilateral renal artery ablation was performed using a percutaneous femoral approach and standardized techniques. The average baseline office BP was 176/96 mm Hg, average 24-hour ambulatory BP was 150/83 mm Hg, and average home BP was 158/90 mm Hg. The average reductions (mm Hg) at 1, 3, 6, and 12 months were as follows: office: -28/-10, -27/-10, -26/-10, and -27/-11 mm Hg (P<0.001 for all); 24-hour ambulatory: -10/-5, -10/-5, -10/-6 (P<0.001 for all), and -7/-4 for 12 months (P<0.0094). Reductions in home measurements (based on 2-week average) were -9/-4, -8/-5,-10/-7, and -11/-6 mm Hg (P<0.001 at 12 months). At 12 months, there were no signals of worsening renal function and no new serious or life-threatening adverse events. One patient with baseline nonocclusive renal artery stenosis progressed to 75% diameter stenosis, requiring renal artery stenting. The 12-month data continue to demonstrate safety and efficacy of the EnligHTN ablation system in patients with drug-resistant hypertension. Home BP measurements parallel measurements obtained with 24-hour ambulatory monitoring.
Keywords: ambulatory blood pressure; home blood pressure; multielectrode; renal denervation; resistant hypertension
Rights: © 2014 American Heart Association, Inc.
RMID: 0030026885
DOI: 10.1161/HYPERTENSIONAHA.114.03605
Appears in Collections:Medicine publications

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