Why the study?
Does cardiac resynchronization therapy improve symptoms, functional status, morbidity, and mortality in elderly patients with systolic heart failure and prolonged QRS duration?
Population
Elderly patients with systolic heart failure and QRS duration greater than 120 ms (left bundle-branch block)
Design
Review
Authors
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Establishes CRT benefits in systolic HF with prolonged QRS; leaves open dedicated evidence for elderly patients.
Does cardiac resynchronization therapy improve symptoms, functional status, morbidity, and mortality in elderly patients with systolic heart failure and prolonged QRS duration?
Cardiac resynchronization therapy is a safe and effective treatment that improves symptoms, functional capacity, morbidity, and mortality in heart failure patients with ventricular dyssynchrony.
Dusan Z. Kocovic (2006) studied this question.
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