The use of propafenone and propranolol in children during clinical treatment was depending mostly on experience. Besides, there was no recommended dose for children in drug instruction. Therefore, the investigators' aim is to study the pharmacokinetics and pharmacodynamics in children.
Study Type
OBSERVATIONAL
Enrollment
500
Propafenone Hydrochloride Tablets, 100-200mg, 1 or 2 times per day; Propranolol Hydrochloride Sustained-Release Capsules, 40mg, 1 times per day
Hebei province Children's Hospital
Shijiazhuang, Hebei, China
RECRUITINGVentricular premature beats of 24 hours
frequency of Ventricular premature beats of 24 hours
Time frame: From date of randomization until the date of discharge, assessed up to 12 months
P-R interval
P-R interval time
Time frame: From date of randomization until the date of discharge, assessed up to 12 months
QT interval
QT interval time
Time frame: From date of randomization until the date of discharge, assessed up to 12 months
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