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REVIEW ARTICLE
Year : 2016  |  Volume : 4  |  Issue : 2  |  Page : 45-49

Renal denervation therapy for hypertension: Current and future perspectives


1 Department of Cardiology, Omni Hospitals, Hyderabad, Telangana, India
2 Department of Cardiology, Prime Hospitals, Hyderabad, Telangana, India

Correspondence Address:
Mohd Aslam Khan
Department of Cardiology, Omni Hospitals, Opposite PVT Market, Dilsukhnagar, Hyderabad - 500 035, Telangana
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/2321-449X.183517

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Hypertension (HTN) is the most common chronic cardiovascular disease with increasing prevalence and morbidity in India as well as worldwide. Despite the availability of different effective subgroups of antihypertensive drugs, few patients may not respond and causes significant morbidity. Resistant HTN is defined as blood pressure above target goals in patients using three different antihypertensive drugs in maximum tolerated doses, including a diuretic. Prevalence of resistant HTN varies from 8% to 18% of all hypertensives. Increased sympathetic nervous system activity has been identified as one potential cause for resistant HTN. Catheter-based renal denervation (RDN) has been studied in different subgroups of patients for the treatment of resistant HTN. Clinical data for usefulness of RDN till date show mixed results, and overall indications for procedure are unclear. Different observational studies and randomized, controlled trials (Symplicity HTN-2, Prague-15, RSD-LEIPZIG, and DENERHTN) support both safety and efficacy of procedure, whereas some smaller studies and large Symplicity HTN-3 trial failed to show the superiority of RDN when compared to medical therapy alone. The aim of the present review is to provide an overview of RDN therapy in the treatment of HTN and current status of this procedure in management of such patients.


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