Short-term heart rate variability in dogs with sick sinus syndrome or chronic mitral valve disease as compared to healthy controls
Sz Bogucki , Agnieszka Noszczyk-Nowak
AbstractHeart rate variability is an established risk factor for mortality in both healthy dogs and animals with heart failure. The aim of this study was to compare short-term heart rate variability (ST-HRV) parameters from 60-min electrocardiograms in dogs with sick sinus syndrome (SSS, n=20) or chronic mitral valve disease (CMVD, n=20) and healthy controls (n=50), and to verify the clinical application of ST-HRV analysis. The study groups differed significantly in terms of both time and frequency-domain ST-HRV parameters. In the case of dogs with SSS and healthy controls, particularly evident differences pertained to HRV parameters linked directly to the variability of R-R intervals. Lower values of standard deviation of all R-R intervals (SDNN), standard deviation of the averaged R-R intervals for all 5-min segments (SDANN), mean of the standard deviations of all R-R intervals for all 5-min segments (SDNNI) and percentage of successive R-R intervals >50 ms (pNN50) corresponded to a decrease in parasympathetic regulation of heart rate in dogs with CMVD. These findings imply that ST-HRV may be useful for the identification of dogs with SSS and for detection of dysautonomia in animals with CMVD.
|Journal series||Polish Journal of Veterinary Sciences, ISSN 1505-1773, (A 20 pkt)|
|Publication size in sheets||0.5|
|Keywords in English||conduction disorders; dysautonomia; electrocardiography; heart rate variability; Holter electrocardiography|
|Internal identifier||62429; PX-58e393f7d5de865ec1643e5c|
|License||Journal (articles only); published final; ; after publication|
|Score||= 20.0, 29-04-2020, ArticleFromJournal|
|Publication indicators||= 2; = 4; : 2017 = 0.539; : 2017 = 0.839 (2) - 2017=0.839 (5)|
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