Why the study?
Does the presence of diabetes mellitus affect heart rate variability in patients with congestive heart failure?
Population
154 patients with congestive heart failure, comprising 69 diabetic patients and 85 nondiabetic control…
Comparison
Presence of diabetes mellitus vs Nondiabetic control subjects with heart failure
Design
Cross-sectional
Authors
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In HF patients, diabetes does not worsen prognostically important HRV; hypothesis-generating for differential sympathetic modulation.
Does the presence of diabetes mellitus affect heart rate variability in patients with congestive heart failure?
In patients with heart failure, diabetes does not worsen parasympathetic withdrawal but may mitigate sympathetic activation, with prognostically important HRV parameters remaining similar between diabetics and nondiabetics.
Burger et al. (2001) studied this question.
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