Key result
Cardiac resynchronization therapy significantly improved left ventricular diastolic filling patterns, including a reduction in the E/A ratio from 2.1 to 1.1, in heart failure patients who clinically responded to therapy.
Why the study?
Does Cardiac Resynchronization Therapy (CRT) improve left ventricular diastolic function in patients with severe heart failure and intraventricular asynchrony?
Observational (n=29)
No
Does Cardiac Resynchronization Therapy (CRT) improve left ventricular diastolic function in patients with severe heart failure and intraventricular asynchrony?
Cardiac resynchronization therapy enhances left ventricular diastolic filling patterns in patients with severe heart failure, which may contribute to symptomatic improvement even in the absence of echocardiographic reverse remodeling.
Answers are grounded in this paper and cite their sources.
Diastolic improvements may contribute to CRT response; extends mechanistic observations but remains hypothesis-generating without randomized confirmation.
Aims: Cardiac Resynchronization Therapy (CRT) improves systolic performance in Heart Failure (HF). However, the effects of CRT on Left Ventricular (LV) diastolic function were variable and not fully understood. The aim of this study was to determine the effects of cardiac resynchronization therapy on LV diastolic filling pattern and the relation between the diastolic filling pattern and the response to CRT.
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Ikram Kammoun (2015) conducted an observational in Heart Failure (n=29). Cardiac Resynchronization Therapy (CRT) vs. Baseline (pre-CRT) was evaluated on E/A ratio in clinical responders (p=<0.001). Cardiac resynchronization therapy significantly improved left ventricular diastolic filling patterns, including a reduction in the E/A ratio from 2.1 to 1.1, in heart failure patients who clinically responded to therapy.
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