Echocardiographic and hemodynamic features of severe aortic regurgitation with diastolic opening of the aortic valve.

Abstract:

:Severe aortic regurgitation may be associated with premature aortic valve opening. Several possible etiologies for this diastolic opening have been suggested. We present a patient with hemodynamic data, M-mode and 2-D echocardiography in the setting of severe aortic regurgitation and diastolic aortic valve opening. Our data lead us to conclude that aortic valve opening in this situation is neither from passive flotation nor dependent on atrial systole. We believe that active ventricular recoil mechanisms can facilitate increases in diastolic ventricular pressure which then can transiently exceed aortic pressure in the setting of severe aortic regurgitation. This hemodynamic observation suggests that the valve opening is an active process.

journal_name

Clin Cardiol

journal_title

Clinical cardiology

authors

Martinez EE,Herman MV,Kay RH,Pontes SC Jr,Brandao AC,Pfefferman A,Arroyo JB,Portugal OP

doi

10.1002/clc.4960090513

subject

Has Abstract

pub_date

1986-05-01 00:00:00

pages

225-9

issue

5

eissn

0160-9289

issn

1932-8737

journal_volume

9

pub_type

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