Why the study?
Does the autonomic nervous system influence sinus node recovery time following overdrive pacing in human subjects?
Population
18 human cardiac transplant recipients and 20 control subjects with normal sinus node function (n=38).
Comparison
Overdrive pacing at multiple cycle lengths for… vs Comparison between denervated donor heart sinus…
Design
Cross-sectional
Authors
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Denervation was associated with prolonged SNRT after short-cycle pacing; supports autonomic influence on sinus recovery but leaves diagnostic utility open.
Does the autonomic nervous system influence sinus node recovery time following overdrive pacing in human subjects?
The cardiac autonomic nervous system significantly influences the postpacing recovery of the human sinus node, which may explain the insensitivity of sinus node recovery time in detecting sinus node dysfunction.
Jay W. Mason (1980) studied this question.
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