Ambulatory blood pressure changes after renal sympathetic denervation in patients with resistant hypertension

  • Mahfoud F
  • Ukena C
  • Schmieder R
 et al. 
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Abstract

BACKGROUND: Catheter-based renal sympathetic denervation (RDN) reduces office blood pressure (BP) in patients with resistant hypertension according to office BP. Less is known about the effect of RDN on 24-hour BP measured by ambulatory BP monitoring and correlates of response in individuals with true or pseudoresistant hypertension.

METHODS AND RESULTS: A total of 346 uncontrolled hypertensive patients, separated according to daytime ambulatory BP monitoring into 303 with true resistant (office systolic BP [SBP] 172.2±22 mm Hg; 24-hour SBP 154±16.2 mm Hg) and 43 with pseudoresistant hypertension (office SBP 161.2±20.3 mm Hg; 24-hour SBP 121.1±19.6 mm Hg), from 10 centers were studied. At 3, 6, and 12 months follow-up, office SBP was reduced by 21.5/23.7/27.3 mm Hg, office diastolic BP by 8.9/9.5/11.7 mm Hg, and pulse pressure by 13.4/14.2/14.9 mm Hg (n=245/236/90; P for all
CONCLUSIONS: RDN reduced office BP and improved relevant aspects of ambulatory BP monitoring, commonly linked to high cardiovascular risk, in patients with true-treatment resistant hypertension, whereas it only affected office BP in pseudoresistant hypertension.

Author-supplied keywords

  • ambulatory blood pressure monitoring
  • hypertension resistant to conventional therapy
  • sympathectomy

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Authors

  • Felix MahfoudUniversitat des Saarlandes

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  • Christian Ukena

  • Roland E. Schmieder

  • Bodo Cremers

  • Lars C. Rump

  • Oliver Vonend

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