Relation between cardiac sympathetic activity and hypertensive left ventricular hypertrophy

  • Schlaich M
  • Kaye D
  • Lambert E
 et al. 
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BACKGROUND: Left ventricular (LV) hypertrophy is an independent risk factor for cardiovascular morbidity and mortality in hypertensive subjects. Sympathetic activation has been suggested to contribute to LV hypertrophy, but this has not yet been conclusively validated in humans. METHODS AND RESULTS: We comprehensively assessed total systemic and regional sympathetic activity by radiotracer dilution methods and microneurography in 15 untreated hypertensive subjects with echocardiographic evidence of LV hypertrophy (EH+), 11 hypertensive subjects with similar blood pressure but without LV hypertrophy (EH-), and 10 age-matched normotensive control subjects (NT). LV mass index was 87+/-15 g/m2 in NT, 106+/-11 g/m2 in EH-, and 138+/-17 g/m2 in EH+ (P

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  • M P Schlaich

  • D M Kaye

  • E Lambert

  • M Sommerville

  • F Socratous

  • M D Esler

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