Objective To analyze the common complications and types of arrhythmia in children with congenital heart disease( CHD) in interventional therapy. Methods Totally 490 cases of CHD visiting the First People 's Hospital of Jining City from January 2010 to December 2014 were selected. Those children's situation of complications and arrhythmia occurring in 1 year after operation were collected and analyzed. Results The occurrence rate of complications among 490 children was 7. 8%( 38 /490),including 8. 1%( 12 /14...