Renal denervation for the management of resistant hypertension

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ID: 6529
2015
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Abstract
Renal denervation for the management of resistant hypertension Hitesh C Patel,1 Carl Hayward,1 Vassilis Vassiliou,1 Ketna Patel,2 James P Howard,3 Carlo Di Mario1 1NIHR Cardiovascular Biomedical Research Unit, Royal Brompton Hospital, London, UK; 2Department of Cardiology, Royal Free Hospital, London, UK; 3National Heart and Lung Institute, Imperial College, London, UK Abstract: Renal sympathetic denervation (RSD) as a therapy for patients with resistant hypertension has attracted great interest. The majority of studies in this field have demonstrated impressive reductions in blood pressure (BP). However, these trials were not randomized or sham-controlled and hence, the findings may have been overinflated due to trial biases. SYMPLICITY HTN-3 was the first randomized controlled trial to use a blinded sham-control and ambulatory BP monitoring. A surprise to many was that this study was neutral. Possible reasons for this neutrality include the fact that RSD may not be effective at lowering BP in man, RSD was not performed adequately due to limited operator experience, patients’ adherence with their antihypertensive drugs may have changed during the trial period, and perhaps the intervention only works in certain subgroups that are yet to be identified. Future studies seeking to demonstrate efficacy of RSD should be designed as randomized blinded sham-controlled trials. The efficacy of RSD is in doubt, but many feel that its safety has been established through the thousands of patients in whom the procedure has been performed. Over 90% of these data, however, are for the Symplicity™ system and rarely extend beyond 12 months of follow-up. Long-term safety cannot be assumed with RSD and nor should it be assumed that if one catheter system is safe then all are. We hope that in the near future, with the benefit of well-designed clinical trials, the role of renal denervation in the management of hypertension will be established. Keywords: resistant hypertension, renal denervation, sympathetic nervous system, symplicity
Reference Key
hitesh2015renalintegrated Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Hitesh C Patel;Carl Hayward;Vassilis Vassiliou;Ketna Patel;James P Howard;Carlo Di Mario and
Journal integrated blood pressure control
Year 2015
DOI
10.2147/IBPC.S65632
URL
Keywords Keywords not found

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