Why the study?
Do autonomic information flow indices predict total cardiac death in patients with chronic heart failure?
Do autonomic information flow indices predict total cardiac death in patients with chronic heart failure?
Autonomic information flow indices derived from 24-hour Holter recordings provide independent prognostic value for predicting cardiac death in patients with chronic heart failure.
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May refine cardiac death risk stratification in chronic HF; leaves open prospective validation and therapeutic impact.
Hoyer et al. (2008) studied this question.
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