Circulation, Vol 56, 769-774, Copyright © 1977 by American Heart Association
AE Weyman, RA Hurwitz, DA Girod, JC Dillon, H Feigenbaum and D Green
Real-time, cross-sectional echocardiograms of the pulmonary valve were
recorded in 22 patients with valvular pulmonary stenosis (VPS) (14 mild,
eight moderate or severe) and 25 normal subjects. Normally during systole
the pulmonary leaflet echoes moved rapidly apart and in the fully opened
position lay parallel and in close apposition to the margins of the
pulmonary artery. In 20 of 22 patients with VPS in whom the pulmonary valve
was recorded the systolic configuration of the leaflets, opening pattern of
the leaflet echoes, and presence of presystolic doming served to
differentiate the stenotic valve from normal. In contrast M-mode recordings
of the pulmonary valve were possible in only 12 of these 22 cases (seven
mild and five moderate or severe) and suggested VPS in only the five cases
with moderate or severe stenosis. Cross-sectional echocardiography offers a
direct, noninvasive method for visualizing the stenotic pulmonary valve and
should be improvement over the indirect M-mode data.
ARTICLES
Cross-sectional echocardiographic visualization of the stenotic pulmonary valve
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