2015
DOI: 10.1186/s12890-015-0118-8
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Abstract: BackgroundPrevious heart rate variability (HRV) studies in asthmatic subjects (AS) demonstrate predominance of parasympathetic drive concomitant with low HRV, which is against the general belief that enhanced parasympathetic modulation improves HRV. The aim of this study was to compare patterns of HRV and cardiac autonomic modulations of AS to healthy control subjects (HS).MethodsEighty AS and forty HS were enrolled in the study. Asthma control test and spirometry were used to discriminate uncontrolled (UA) fr… Show more

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Cited by 24 publications
(29 citation statements)
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“…Noteworthy, the interpretation of cardiac autonomic modulations of the present results was largely based on normalized LF and HF which, in contrast to absolute values of LF and HF powers, are inversely proportional. Normalized LF and HF are therefore considered as better indicators of sympathetic and parasympathetic modulations respectively [ 17 , 19 ].…”
Section: Discussionmentioning
confidence: 99%
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“…Noteworthy, the interpretation of cardiac autonomic modulations of the present results was largely based on normalized LF and HF which, in contrast to absolute values of LF and HF powers, are inversely proportional. Normalized LF and HF are therefore considered as better indicators of sympathetic and parasympathetic modulations respectively [ 17 , 19 ].…”
Section: Discussionmentioning
confidence: 99%
“…HRV parameters were derived from 5-min electrocardiogram (ECG) recordings in the supine position using clean ECG signals during comfortable breathing without movement artifacts. The Biocom 3000 ECG recorder also calculated the mean heart rate (MHR) at the time of ECG recording as recently described [ 17 ]. Time and frequency domains analysis were used to determine HRV and cardiac autonomic modulations in both cases and controls.…”
Section: Methodsmentioning
confidence: 99%
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“…Asthma severity correlated with the LF band, HF band, and HRV SD (mean SD for all RR intervals) (Kazuma et al, 1997). Controlled asthma is associated with enhanced parasympathetic modulation and higher HRV compared to uncontrolled asthma (Lutfi, 2015). Studies on systemic lupus erythematosus (SLE) patients reported a correlation of HRV with the cytokine levels and the clinical status (Thanou et al, 2016;Matusik et al, 2018).…”
Section: Variability Characterizes the Biological Systems And Heart mentioning
confidence: 99%