Serum levels of melatonin may contribute to the pathogenesis of heart failure in children with median age of 1 year
Journal Title: Jornal de Pediatria - Year 2018, Vol 94, Issue 4
Abstract
Objective Melatonin has a protective role in adults with cardiovascular disease, but the effects of melatonin in children with cardiac dysfunction are not well understood. This study was designed to explore the variations in melatonin, myeloperoxidase, and caspase-3 levels in children suffering from heart failure. Methods Seventy-two pediatric patients with heart failure and twelve healthy children were enrolled in this study. A modified Ross scoring system was used to evaluate clinical cardiac function. Patients with a score of >2 points were included in the study and were divided into three groups according to severity of heart failure: mild (score: 3–6), moderate (score: 7–9), and severe (score: 10–12). Echocardiographic parameters, laboratory data, and serum levels of melatonin, myeloperoxidase, and caspase-3 were measured and analyzed in all patients. Results Compared with patients with mild and moderate heart failure, patients in the severe heart failure group had significantly decreased left ventricular ejection fraction (p<0.001), and significantly increased serum melatonin levels (p=0.013) and myeloperoxidase levels (p<0.001). Serum melatonin levels were positively correlated with serum caspase-3 levels (p<0.001). The optimal cutoff values of serum melatonin levels for the diagnosis of severe heart failure and primary cardiomyopathy in pediatric patients with heart failure were 54.14pg/mL and 32.88pg/mL, respectively. Conclusions Serum melatonin and myeloperoxidase levels were increased in children with severe heart failure. It is likely that increasing melatonin levels may act as a compensatory mechanism in pediatric children with heart failure.
Authors and Affiliations
Qijian Yi
Keywords
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- EP ID EP489387
- DOI 10.1016/j.jped.2017.06.023
- Views 87
- Downloads 0
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