Impedance cardiography and quantitative tissue Doppler echocardiography for evaluating the effect of cardiac resynchronization therapy: a case report.

Abstract:

:An 83-year-old woman presented with dilated cardiomyopathy. Cardiac resynchronization therapy was performed. Two weeks later, cardiac output and ventricular wall motion were estimated using impedance cardiography and tissue Doppler echocardiography with and without pacing. Cardiac output increased from 3.5 to 4.5 l/min during biventricular pacing with a 120 msec atrioventricular interval. Intraventricular phase difference for contraction decreased from 190 to 150 msec. When the atrioventricular interval was 180 msec, cardiac output and phase difference became 4.6 l/min and 170 msec. These assessments were performed rapidly and non-invasively. New impedance cardiography and tissue Doppler echocardiography are useful to evaluate the effect of cardiac resynchronization therapy.

journal_name

J Cardiol

journal_title

Journal of cardiology

authors

Adachi H,Hiratsuji T,Sakurai S,Tada H,Toyama T,Naito S,Hoshizaki H,Oshima S,Taniguchi K

subject

Has Abstract

pub_date

2003-07-01 00:00:00

pages

37-42

issue

1

eissn

0914-5087

issn

1876-4738

journal_volume

42

pub_type

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