congenital heart disease
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1.Preschool children aged 3–6 years old in Baotou area, with household registration or long-term residence in each district and county of Baotou City. 1.Guardians voluntarily sign the informed consent form and agree to participate in echocardiography and questionnaire survey. 2.Able to cooperate with the completion of echocardiography and without contraindications to the examination.
Exclusion criteria
Exclusion criteria: 1.Having contraindications to echocardiography or being unable to complete the examination due to physical conditions. 2.Children with other severe congenital malformations, genetic diseases or severe organ dysfunction.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Related two-dimensional indicators and hemodynamic indicators; | — |
Secondary
| Measure | Time frame |
|---|---|
| Whether the mother of the respondent was exposed to toxic and harmful substances in the first 3 months of pregnancy, had a history of viral infection in the first trimester, and took drugs that are pr;Age, gender, ethnicity, permanent address; the mother’s gestational age status; whether there is a family history of CHD among relatives; whether the parents of the respondent have a consanguineous ma; | — |
Countries
China
Contacts
The First Affiliated Hospital of the Baotou Medical College of Inner Mongolia University of Science and Technology