Key result
Echocardiography correctly identified 23 of 24 normal and 15 of 17 asynergic posterior wall segments compared to ventriculography, but correlated poorly for decreased septal excursion.
Why the study?
Does echocardiography accurately detect segmental ventricular asynergy compared to ventriculography in patients undergoing cardiac catheterization?
Cross-Sectional (n=41)
Does echocardiography accurately detect segmental ventricular asynergy compared to ventriculography in patients undergoing cardiac catheterization?
p-value: p=<0.005
Echocardiography is a reliable tool for detecting posterior wall asynergy but may be less accurate for evaluating decreased septal motion when compared to ventriculography.
May support echocardiography for posterior wall asynergy detection; leaves open septal excursion reliability versus ventriculography.
The ability of echocardiography to detect segmental ventricular asynergy was evaluated in 41 patients before cardiac catheterization. Of 24 normal posterior wall segments by echocardiography, 23 were also normal by ventriculography, while one was hypokinetic. Of 17 asynergic posterior wall segments by echocardiography, 15 were asynergic and two were normal by ventriculography. Posterior wall excursion for the normal group was 1.30 +/- 0.18 cm (SD), while those demonstrating hypokinesis on ventriculography showed an excursion of 1.05 +/- 0.19 cm (P less than .005), and akinetic segments showed an excursion of 0.97 +/- 0.13 cm (P less than .005). In 15 patients, septal motion as determined by echocardiography was compared with the left anterior oblique ventriculogram. Of nine normal septal motions by echocardiography, seven were also normal by left anterior ventriculography (septal excursion, 0.84 +/- 0.25 cm). Of six patients with decreased echocardiographic septal motion, four were normal and two were abnormal by ventriculography. Although normal echocardiographic septal motion correlated well with ventriculography, decreased septal excursion by echocardiography did not.
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Carol Morrison (1978) conducted a cross-sectional in Segmental ventricular asynergy (n=41). Echocardiography vs. Ventriculography was evaluated on Detection of segmental ventricular asynergy (p=<0.005). Echocardiography correctly identified 23 of 24 normal and 15 of 17 asynergic posterior wall segments compared to ventriculography, but correlated poorly for decreased septal excursion.
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