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Prevalence and Pattern of Congenital Heart Diseases in School Children in Dongguan, China
GuanYang Kang1, JianMin Xiao1, Jieying Wang1
1Department of Cardiology, Bin Hai Wan Central Hospital of Dongguan, The Dongguan Affiliated Hospital of Jinan University (also called The Fifth People's Hospital of Dongguan, Taiping People's Hospital of Dongguan), Dongguan, Guangdong, China.
Background:
To determine the prevalence and pattern of congenital heart disease (CHD) among elementary school children in Dongguan, China.
Methods:
Between November 2011 and November 2012, 540,574 school children from 449 elementary schools were screened for CHD by trained doctors in Dongguan. The school children who were suspected to have CHD were referred to a pediatric cardiologist and/or an echocardiographer for a complete evaluation.
Results:
The total prevalence of CHD was 2.14 per 1,000 school children (1,157/540,574). The most common form of CHD was isolated ventricular septal defect (37.77%; 437/1,157), followed by isolated atrial septal defect (20.22%; 234/1,157) and patent ductus arteriosus (9.94%; 115/1,157). With respect to sex, CHD was equally distributed between males and females.
Conclusion:
Our data show that the prevalence of CHD in Dongguan is not as high as expected and that isolated ventricular septal defect is the predominant pathology. Echocardiography plays a crucial role in the diagnosis of CHD.
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