Resistant hypertension in 2017

Sartaj Hans1, John P Reilly

  • 1Department of Cardiovascular Diseases, The John Ochsner Heart and Vascular Institute, The Ochsner Clinical School, University of Queensland, Ochsner Medical Center, New Orleans, Louisiana, USA.

Insights

Resistant hypertension (HTN) affects many patients, with newer endovascular treatments like renal denervation showing promise. A combined approach of lifestyle changes, medication, and tailored procedures may offer new hope for managing this condition.

Area of Science:

  • Cardiology and Nephrology
  • Interventional Cardiology
  • Hypertension Research

Background:

  • Hypertension (HTN) is a widespread condition contributing significantly to morbidity and mortality.
  • Resistant HTN, defined as blood pressure above 140/90 mmHg despite three medications, affects up to half of HTN patients in the U.S.
  • The prevalence of HTN and resistant HTN is increasing, necessitating novel therapeutic strategies to improve patient compliance and reduce adverse events.

Purpose of the Study:

  • To review recent advancements in endovascular therapies for resistant hypertension.
  • To explore novel techniques such as renal denervation and endovascular carotid body stimulation.
  • To discuss the role of revascularization in renovascular hypertension.

Main Methods:

  • Review of recent studies on renal denervation technologies, including multipolar electrodes.
  • Examination of early experiences with noninvasive renal denervation.
  • Analysis of endovascular carotid body stimulation investigations.
  • Assessment of revascularization outcomes for renovascular hypertension.

Main Results:

  • Renal denervation technologies, from original trials to newer electrodes, are summarized.
  • Early data on noninvasive renal denervation and endovascular carotid body stimulation are presented.
  • Renovascular hypertension may be effectively treated by revascularization in select patients.

Conclusions:

  • A comprehensive strategy involving lifestyle modification, pharmacologic therapy, and endovascular treatments is proposed for resistant HTN.
  • Most endovascular treatments require further validation.
  • Recent studies have cast doubt on the efficacy of renal revascularization for renovascular HTN when not precisely targeted.
Abstract

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