Measurement of Left Atrial Pressure
Conditions
Interventions
Gold Standard:Left atrial pressure measured by catheterization
Indirect measurement of left atrial pressure by mitral regurgitation spectrum
arterioles 
wedge 
spectrum.
Sponsors
General Hospital of Northern Theater Command
Eligibility
Sex/Gender
All
Age
18 Years to 80 Years
Inclusion criteria
Inclusion criteria: 1) 18-50 years of age male and female; 2) Cardiac surgery under cardiopulmonary bypass with mild mitral regurgitation and no left ventricular outflow tract obstruction.
Exclusion criteria
Exclusion criteria: 1) Patients who need coronary artery bypass grafting at the same time; 2) patients with complex congenital heart disease; 3) Patients with reduced LVEF; 4) Patients with pulmonary hypertension; 5) Patients with unstable hemodynamics and requiring large doses of vasoactive drugs; 6) Complicated with pneumothorax, chest trauma and other factors, which affect the quality of ultrasound imaging; 7) Patients with atrial fibrillation or flutter; 8) Severe bradycardia (heart rate < 50 beats/min) or degree II-III atrioventricular block; 9) Severe infection; 10) Patients who can not get out of the ventilator smoothly on the first day after operation; 11) Participating in an interventional clinical study.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Indirect measurement of left atrial pressure by mitral regurgitation spectrum;Left atrial pressure measured by catheterization; | — |
Secondary
| Measure | Time frame |
|---|---|
| Left ventricular diastolic function classification;pulmonary arterioles wedge pressure;Pulmonary vein spectrum; | — |
Countries
China
Contacts
Public ContactYan Jin
General Hospital of Northern Theater Command
Outcome results
None listed