Key result
Echocardiographic assessment of left ventricular mechanical dyssynchrony using advanced tools like tissue Doppler imaging and real-time 3D echo predicts favorable responses to cardiac resynchronization therapy.
Why the study?
Do echocardiography techniques for quantifying left ventricular mechanical dyssynchrony improve the selection of responders to cardiac resynchronization therapy compared to ECG-based criteria in patients with chronic heart failure?
Do echocardiography techniques for quantifying left ventricular mechanical dyssynchrony improve the selection of responders to cardiac resynchronization therapy compared to ECG-based criteria in patients with chronic heart failure?
Answers are grounded in this paper and cite their sources.
Echocardiography techniques for quantifying left ventricular mechanical dyssynchrony may offer a more accurate tool than standard ECG criteria for selecting patients who will respond to cardiac resynchronization therapy.
Cardiac resynchronisation therapy (CRT) has been established as a therapeutic intervention in chronic heart failure and is proven to help improve symptoms, cardiac size and function as well as improve rehospitalisation and mortality. Current selection criteria for CRT are ECG based but there is mounting evidence that cardiac imaging may be a more accurate selection tool. This abstract examines some of the commonly used echocardiography techniques for quantifying left ventricular mechanical dyssynchrony to select potential responders to CRT.
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Stamatis Kapetanakis (2012) conducted an editorial in Chronic heart failure. Echocardiography (Tissue Doppler Imaging, Real-Time 3D Echo) vs. Conventional QRS duration criteria was evaluated. Echocardiographic assessment of left ventricular mechanical dyssynchrony using advanced tools like tissue Doppler imaging and real-time 3D echo predicts favorable responses to cardiac resynchronization therapy.
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