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Global impairment of cardiac autonomic nervous activity late after the Fontan operation
Atrial tachyarrhythmia is a common cause of morbidity and mortality in patients with univentricular physiology undergoing the Fontan operation. We examined cardiac autonomic nervous activity, a predictor of arrhythmia and sudden death in other cardiovascular disease, in patients late after the Fonta...
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Published in: | Circulation (New York, N.Y.) N.Y.), 2003-09, Vol.108 (10), p.180-185 |
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Main Authors: | , , , , , , , , , , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | Atrial tachyarrhythmia is a common cause of morbidity and mortality in patients with univentricular physiology undergoing the Fontan operation. We examined cardiac autonomic nervous activity, a predictor of arrhythmia and sudden death in other cardiovascular disease, in patients late after the Fontan operation, employing heart rate variability (HRV) and baroreflex sensitivity.
We measured HRV and baroreflex sensitivity in 22 consecutive patients (8 male, age 26+/-9 years) who had undergone the Fontan operation 13+/-6 years previously, and 22 age- and sex-matched healthy controls. Fontan patients had significantly lower HRV (P |
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ISSN: | 0009-7322 1524-4539 |
DOI: | 10.1161/01.cir.0000087946.47069.cb |