Notwithstanding, patients randomized to CRT demonstrated significant improvement in the New York Heart Association (NYHA) functional class and showed a trend toward lower heart failure event rates compared with control patients; the potential benefits of CRT for patients with a narrow QRS complex remain still elusive.
← all excerpts
Association of intraventricular mechanical dyssynchrony with response to cardiac resynchronization therapy in heart failure patients with a narrow QRS complex.
1
—
—