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J Am Soc Echocardiogr. 2004 Jan;17(1):56-61.

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

Author information

1
Department of Cardiovascular Medicine, Northwick Park Hospital, Watford Rd, Harrow, Middlesex, HAI 3UJ United Kingdom. roxy.senior@virgin.net

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.

PMID:
14712188
DOI:
10.1016/j.echo.2003.09.013
[Indexed for MEDLINE]

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