Two-dimensional echocardiographic features of bicuspid aortic valve.

Abstract:

:The two-dimensional cross-sectional echocardiographic diagnosis of bicuspid aortic valves is described and compared with results of M-mode echocardiograms. Aortic valve anatomy was determined in 19 selected patients by angiography, and confirmed in five by direct surgical visualization. Using an eccentricity index (EI) of 1.3 or greater as diagnostic of bicuspid aortic valve, M-mode correctly identified anatomy in 14 of 19 valves (74 percent), although EI varied in several patients. For two-dimensional diagnosis of bicuspid aortic valve, short axis cross section was preferred, and criteria included number of cusps seen in real time motion, irregularity of folding of cusp margins, and location of commissural insertions. Two-dimensional echocardiography correctly identified anatomy in 18 of 19 valves (95 percent). Long axis cross section disclosed valvular doming in all 8 patients in whom doming was observed angiographically, correlating with hemodynamic findings. Two-dimensional echocardiography aids in the detection of bicuspid aortic valve in a suspected population, can give an estimate of valve gradients, and explains variability in M-mode findings. As such, two-dimensional echocardiography is a valuable tool in the noninvasive diagnosis of the bicuspid aortic valve.

journal_name

Chest

journal_title

Chest

authors

Fowles RE,Martin RP,Abrams JM,Schapira JN,French JW,Popp RL

doi

10.1378/chest.75.4.434

subject

Has Abstract

pub_date

1979-04-01 00:00:00

pages

434-40

issue

4

eissn

0012-3692

issn

1931-3543

pii

S0012-3692(16)53062-1

journal_volume

75

pub_type

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