Evaluation of posterior aortic wall echogram in diagnosis of mitral valve disease.

Abstract

SUMMARY The clinical usefulness of detecting abnormal movement of the posterior wall of the aortic root by M-mode echocardiography was studied in 93 patients with common cardiac diseases (mitral and aortic valve disease, atrial septal defect, hypertrophic and congestive cardiomyopathy) and in 17 normal subjects. Though abnormally slow (< 3 cm/s) or prolonged (> 240 ms) diastolic movement was confirmed to be common in mitral stenosis, since it occurred in 35 of 36 patients it was non-specific. Similar abnormalities frequently occurred in other patients with, for example, mitral regurgitation, aortic valve disease, after aortic valve replacement, and in both hypertrophic and congestive cardiomyopathy. The severity of mitral stenosis, assessed at operation, could not be accurately predicted from abnormalities of aortic root movement. Information derived from aortic movement was not diagnostic and did not predict severity in isolated mitral regurgitation though both the peak rate of systolic aortic motion and total aortic excursion were significantly greater than normal. We conclude that abnormalities of posterior aortic wall movement are frequent and their specificity and clinical usefulness are limited.

Blood Pressure Estimation Using Pulse Transit Time From Bioimpedance and Continuous Wave Radar

“…1) and M-mode echocardiographs from previous works [22], [23] shows many similarities between these signals. At 2.45GHz, the wavelengths resulting from this carrier frequency as well as the thorax dielectric properties are in the order of a few cm [24].…”

Pathophysiological background and prognostic implication of systolic aortic root motion in non-ischemic dilated cardiomyopathy

“…In a study investigating various cardiac disorders Hall et al . described significant elevated SARM in patients with severe mitral regurgitation and atrial septal defect 16 . Similar results for mitral regurgitation were reported by Akgün et al .…”

Diminished Aortic Excursion in Chronic Thromboembolic Pulmonary Hypertension

“…Diminished excursion of the aortic root has been described in dilated cardiomyopathy with elevated filling pressures and in septal wall‐motion abnormalities . Slow diastolic aortic posterior excursion was noted in mitral stenosis and in left ventricular hypertrophy . Rapid exaggerated excursion was described in mitral regurgitation and in atrial septal defect .…”