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Salt intake and blood pressure response to percutaneous renal denervation in resistant hypertension

  • the SYMPATHY study group

Research output: Contribution to Journal › Article › Academic › peer-review

Abstract

©2017 Wiley Periodicals, Inc.The effect of lowering sympathetic nerve activity by renal denervation (RDN) is highly variable. With the exception of office systolic blood pressure (BP), predictors of the BP-lowering effect have not been identified. Because dietary sodium intake influences sympathetic drive, and, conversely, sympathetic activity influences salt sensitivity in hypertension, we investigated 24-hour urinary sodium excretion in participants of the SYMPATHY trial. SYMPATHY investigated RDN in patients with resistant hypertension. Both 24-hour ambulatory and office BP measurements were end points. No relationship was found for baseline sodium excretion and change in BP 6 months after RDN in multivariable-adjusted regression analysis. Change in the salt intake–measured BP relationships at 6 months vs baseline was used as a measure for salt sensitivity. BP was 8 mm Hg lower with similar salt intake after RDN, suggesting a decrease in salt sensitivity. However, the change was similar in the control group, and thus not attributable to RDN.
Original languageEnglish
Pages (from-to)1125-1133
JournalJournal of clinical hypertension
Volume19
Issue number11
DOIs
Publication statusPublished - 1 Nov 2017
Externally publishedYes

Funding

SYMPATHY is an investigator-driven trial and received unrestricted grants from the Netherlands Organisation for Health Research and Development (ZonMw, No. 837004006), the Dutch Kidney Foundation (Nierstichting Nederland, No. CPI12.02), and Medtronic Inc. Funding information SYMPATHY is an investigator-driven trial and received unrestricted grants from the Netherlands Organisation for Health Research and Development (ZonMw, No. 837004006), the Dutch Kidney Foundation (Nierstichting Nederland, No. CPI12.02), and Medtronic Inc. SYMPATHY investigators and committees—Albert Schweizer Hospital Dordrecht: O Elgersma, AJJ IJsselmuiden, PHM van der Valk, P Smak Gregoor, S Roodenburg. Amphia Hospital, Breda: M Meuwissen, W Dewilde, I Hunze, J den Hollander. Antonius Hospital, Nieuwegein: HH Vincent, B Rensing, WJ Bos, Ivan Weverwijk. Catharina Hospital, Eindhoven: PAL Tonino, BRG Brueren, CJAM Konings, H Hendrix-van Gompel. Isala Clinics, Zwolle: JE Heeg, J Lambert, JJ Smit, A Elvan, A Berends, B de Jager. Hospital group Twente, Almelo: G Laverman, PAM de Vries, A van Balen, M Stoel. Martini Hospital, Groningen: R Steggerda, L Niamut, W Bossen, J Biermann, I Knot. Medical Center Alkmaar, Alkmaar: JOJ Peels, JB de Swart, G Kimman, W Bax, Y van der Meij, J Reekers. Medical Center Haaglanden, The Hague: AJ Wardeh, JHM Groeneveld, C Dille. Medical Center Leeuwarden, Leeuwarden: MH Hemmelder, R Folkeringa, M Sietzema, C Wassenaar. Rijnstate Hospital, Arnhem: K Parlevliet, W Aengevaeren, M Tjon, M Hovens, A van den Berg, H Monajemi. Scheper Hospital, Emmen: FGH van der Kleij, A Schramm, A Wiersum. University Hospital Maastricht, Maastricht: B Kroon, M de Haan, M Das, H Jongen, E Herben, R Rennenberg. University Medical Center Utrecht, Utrecht: PJ Blankestijn, ML Bots, MM Beeftink, E de Beus, B Dijker, GWJ Frederix, RL de Jager, E van Maarseveen, MF Sanders, W Spiering, IS Velikopolskaia, L Vendrig, WL Verloop, EE Vink, EPA Vonken, M Voskuil, GA de Wit. All centers are located in The Netherlands. Executive committee: PJ Blankestijn, ML Bots, E de Beus, RL de Jager, L Vendrig. Steering committee: PJ Blankestijn (chair), ML Bots (vice chair), RL de Jager, L Vendrig, E de Beus, B Dijker, JE Heeg, J Vincent, CB Roes, J Deinum. Data Safety Monitoring Board: AJ Rabelink (chair), J Lenders, R Eijkemans. Monitoring: Julius Clinical

FundersFunder number
University Medical Center Utrecht
U.S. Environmental Protection Agency
Medtronic
Haaglanden Medisch Centrum
ZonMw837004006
NierstichtingCPI12.02

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