ventricular premature beat
Conditions
Interventions
Gold Standard:Frequent ventricular premature beats: ventricular premature load > 6 beats/min, 24-hour ambulatory electrocardiogram monitoring > 1000 beats/24 hours or combined with ventricular tachyca
Index test:Cardiac MRI
Sponsors
Chengdu Women and Children's Central Hospital
Eligibility
Sex/Gender
All
Age
0.5 Years to 18 Years
Inclusion criteria
Inclusion criteria: 1. Children aged 6 months to 18 outpatient or inpatient; 2. Frequent premature ventricular premature beats (ventricular premature load > 6 beats/min, 24-hour ambulatory ECG monitoring > 1000 beats/24 hours or combined with ventricular tachycardia).
Exclusion criteria
Exclusion criteria: 1. Patients with definite structural heart disease or premature ventricular arrhythmia caused by drugs, electrolyte disturbances, hypoxia, surgery, anesthesia and other factors. 2. Inform the parents of the children about the relevant matters of the examination and sign the special examination consent form. For children >= 6 years old, fully inform and obtain the consent and cooperation of the children.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| left ventricular end diastolic diameter;interventricular septal thickness;end diastolic thickness of left ventricular posterior wall;late systolic thickness of left ventricular posterior wall;left ventricular ejection fraction ;cardiac output;stroke volume;left ventricular end diastolic diameter; | — |
Countries
China
Contacts
Public ContactYang Yanfeng
Chengdu Women's and Children's Center Hospital Affiliated to University of Electronic Science and Technology of China School of Medicine
Outcome results
None listed