Non-invasive real-time measurements of cardiac vagal tone in dogs with cardiac disease

In dogs with spontaneous heart disease, an electronically generated measurement of cardiac vagal tone, the cardiac index of parasympathetic activity, was a sensitive, simple and inexpensive measure of the severity of heart failure. Dogs with cardiac disease and an index score less than 3 were at 15˙...

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Bibliographic Details
Published in:Veterinary record 2005-01, Vol.156 (4), p.101-105
Main Authors: Little, C. J. L., Reid, S.W. J., Julu, P. O. O., Hansen, S.
Format: Article
Language:English
Subjects:
Animals
Case-Control Studies
Dog Diseases - physiopathology
Dogs
Female
Heart Conduction System - pathology
Heart Conduction System - physiology
Heart Diseases - physiopathology
Heart Rate
Logistic Models
Male
Parasympathetic Nervous System - pathology
Parasympathetic Nervous System - physiology
Risk Factors
Sensitivity and Specificity
Severity of Illness Index
Vagus Nerve - pathology
Vagus Nerve - physiology
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Description
Summary:In dogs with spontaneous heart disease, an electronically generated measurement of cardiac vagal tone, the cardiac index of parasympathetic activity, was a sensitive, simple and inexpensive measure of the severity of heart failure. Dogs with cardiac disease and an index score less than 3 were at 15˙8 (95 per cent confidence interval 2˙9 to 87˙2) times the risk of dying within a year than those with a score of 3 and over. The measurement of the index provided an objective and reliable beat-by-beat measurement of cardiac vagal tone, which was prognostically useful in dogs with heart disease.
ISSN:0042-4900
2042-7670
DOI:10.1136/vr.156.4.101