Abstract
We studied 465 newborns enrolled in a previous prospective electrocardiographic study to evaluate the predictive value of QT interval for SIDS. We analyzed the ECGs recorded with babies alert on the 4th day of life and after 2, 4, 6 and 12 months. For each ECG, the HRV was calculated using the first standard deviation of RR intervals (ms) measured for 2 minutes. Besides, the HRV values were correlated with QTc values in order to asses a possible relationship between the 2 variables. Data are reported in table:
Our data seems to confirm a delayed maturation or impaired fuctioning of the autonomic nervous system in the first months of life, reflecting a direct correlation with QT prolongation.
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Perticone, F., Maio, R., Cosco, C. et al. 353 HEART RATE VARIABILITY AND SUDDEN INFANT DEATH SYNDROME. Pediatr Res 36, 61 (1994). https://doi.org/10.1203/00006450-199407000-00353
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DOI: https://doi.org/10.1203/00006450-199407000-00353
