Objectives
Grown up congenital heart diseases (GUCH) are more common in our daily practise lately, as a result of improving surgical techniques and specific treatment agents. Despite all improvements, there are several limitations of determining the prognosis of those patients. Therefore, different parameters with high prognostic values are needed. It is known that, patients with ES develop autonomic disfunction which can be evaluated with heart rate variability (HRV). The aim of this study is to compare parameters of heart rate variability in healthy volunteers and patients with ES and also to evaluate the correlation between based prognostic factors, which are echocardiographic parameters and the biochemical parameters BNP, troponin-I levels.
Methods
20 patiens with ES(12 female, 8 male) and 20 healthy matched volunteers were enrolled in the study. Plasma BNP and troponin-I levels were measured. Heart rate variability(HRV) parameters were calculated from 24 hour Holter ECG recordings. Echocardiographic parameters were also recorded. HRV parameters were compared with 20 healthy subjects. Bivariate analysis were performed to evaluate correlation between echocardiographic parameters and plasma BNP, troponin-I levels.
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