December 19, 2000Circulation
Left Ventricular or Biventricular Pacing Improves Cardiac Function at Diminished Energy Cost in Patients With Dilated Cardiomyopathy and Left Bundle-Branch Block
Why the study?
Does left ventricular or biventricular pacing improve systolic function and energy cost in patients with dilated cardiomyopathy and left bundle-branch block?
Population
Patients with dilated cardiomyopathy (DCM) and left bundle-branch block (LBBB)
Design
Other
Follow-up
Acute
Authors
Discussion
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Member takes
Implication
Hypothesis-generating for acute resynchronization in LBBB; prospective trials needed before clinical adoption.
Structured PICO
Does left ventricular or biventricular pacing improve systolic function and energy cost in patients with dilated cardiomyopathy and left bundle-branch block?
P
Population
Patients with dilated cardiomyopathy (DCM) and left bundle-branch block (LBBB)
I
Intervention
Ventricular resynchronization by left ventricular or biventricular pacing/stimulation
O
Outcome
Systolic function and energy costsurrogate
Left ventricular or biventricular pacing acutely improves systolic function and lowers energy cost in DCM patients with LBBB, suggesting value for treating basal dyssynchrony.
Cite This Study
Nelson et al. (2000) studied this question.