Community screening for left ventricular hypertrophy in patients with hypertension using hand-held echocardiography

J Am Soc Echocardiogr. 2004 Jan;17(1):56-61. doi: 10.1016/j.echo.2003.09.013.

Abstract

Left ventricular (LV) hypertrophy (LVH) confers increased cardiovascular risk on patients with hypertension. Echocardiography using new hand-held devices might allow community-based cost-effective screening for LVH in a targeted hypertensive population. Thus, the aim of this study was to test the validity of hand-held ultrasound devices to screen for LVH in the community. Accordingly, 189 patients with hypertension attending a community-based heart failure screening program underwent echocardiography by both hand-held and standard devices by an experienced echocardiographer. LVH was defined as LV mass index >/=134 g.m(-2) for men and >/=110 g.m(-2) for women using the Devereux-modified American Society of Echocardiography cube equation. No significant differences were noted between the 2 devices in the measurement of LV wall thickness or LV mass index. Agreement for estimation of LVH between the 2 devices was 86% (kappa = 0.63). The sensitivity, specificity, and positive and negative predictive values of the hand-held device for predicting LVH were 72%, 91%, 73%, and 90%, respectively. Thus, hand-held echocardiography devices accurately assessed LVH and may be used for community-based screening for LVH in targeted patients with hypertension.

Publication types

  • Comparative Study
  • Research Support, Non-U.S. Gov't

MeSH terms

  • Aged
  • Blood Pressure / physiology
  • Cohort Studies
  • Community Health Services*
  • Diastole / physiology
  • Echocardiography*
  • Electrocardiography
  • Female
  • Heart Rate / physiology
  • Humans
  • Hypertension / diagnosis*
  • Hypertension / epidemiology
  • Hypertension / physiopathology
  • Hypertrophy, Left Ventricular / diagnosis*
  • Hypertrophy, Left Ventricular / epidemiology
  • Hypertrophy, Left Ventricular / physiopathology
  • Male
  • Mass Screening*
  • Middle Aged
  • Observer Variation
  • Point-of-Care Systems*
  • Predictive Value of Tests
  • Reproducibility of Results
  • Sensitivity and Specificity
  • Statistics as Topic
  • Stroke Volume / physiology
  • Systole / physiology
  • United Kingdom / epidemiology