Key result
CRT shows clinical improvement in ~63% of narrow-QRS HF patients with mechanical dyssynchrony.
Why the study?
Does cardiac resynchronisation therapy improve clinical outcomes and left ventricular dimensions in heart failure patients with a narrow QRS complex and mechanical dyssynchrony?
Does cardiac resynchronisation therapy improve clinical outcomes and left ventricular dimensions in heart failure patients with a narrow QRS complex and mechanical dyssynchrony?
Cardiac resynchronisation therapy may provide clinical and echocardiographic benefits in heart failure patients with a narrow QRS complex (<130 ms) who have evidence of mechanical dyssynchrony.
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May support CRT in selected narrow-QRS HF with dyssynchrony; hypothesis-generating and requires randomized confirmation before practice change.
Bommel et al. (2010) studied Heart failure with a narrow QRS complex and mechanical dyssynchrony (n=41). Cardiac resynchronisation therapy (CRT) was evaluated on Improvement according to the Clinical Composite Score. Cardiac resynchronisation therapy resulted in clinical improvement in 63.4% of heart failure patients with a narrow QRS complex and mechanical dyssynchrony at 6 months.
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