Mechanisms underlying elevated SBP differ with adiposity in young adults: the Enigma study

Jessica E. Middlemiss*, Karen L. Miles, Barry J. McDonnell, Yasmin, Kaisa M. Maki-Petaja, John R. Cockcroft, Ian B. Wilkinson, Carmel M. McEniery, Enigma Study Investigators

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

29 Citations (Scopus)
89 Downloads (Pure)

Abstract

Objectives:The positive association between adiposity and hypertension is well recognized. However, not all overweight individuals have elevated blood pressure (BP). Moreover, different factors may be associated with high BP in normal-weight versus overweight individuals. The aim of the current study was to examine the influence of adiposity on the relationship between SBP and underlying haemodynamic mechanisms in young adults.Method:Data from 2502 patients were available from the Enigma study. Detailed demographic, biochemical, and haemodynamic data were obtained in all individuals. Data were analysed between lower and upper tertiles of BMI and SBP, separately for each sex.Results:In normal-weight individuals, cardiac output (CO) was elevated in those with higher SBP, independently of body size. Moreover, higher CO was associated with an increased stroke volume in men (P

Original languageEnglish
Pages (from-to)290-297
Number of pages8
JournalJournal of Hypertension
Volume34
Issue number2
DOIs
Publication statusPublished - Feb-2016

Keywords

  • adiposity
  • BMI
  • cardiac output
  • peripheral vascular resistance
  • SBP
  • ISOLATED SYSTOLIC HYPERTENSION
  • AMBULATORY BLOOD-PRESSURE
  • OBESITY-INDUCED HYPERTENSION
  • GAS REBREATHING TECHNIQUE
  • BODY-MASS INDEX
  • CARDIAC-OUTPUT
  • BORDERLINE HYPERTENSION
  • NONINVASIVE MEASUREMENT
  • INTRAVASCULAR VOLUME
  • SCIENTIFIC STATEMENT

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