mitral regurgitation
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Aged >= 18 years old, regardless of gender. 2. Degenerative mitral regurgitation >= 3+. 3. Patients with A2 or P2 prolapse alone. 4. NYHA grade II - IV. 5. Patients with high risk or contraindication to conventional surgery (STS risk score >= 6% or other risk factors) judged by expert committee. 6. Patients who voluntarily participate in and sign informed consent and are willing to complete the trial according to the clinical trial protocol.
Exclusion criteria
Exclusion criteria: 1. Complicated with infective endocarditis. 2. Pregnant women. 3. Patients with vegetations / thrombi in left ventricle, atrium or left atrial appendage. 4. Anticoagulant contraindication patients. 5. Severe calcification of mitral valve leaflet. 6. Severe primary pulmonary hypertension. 7. The thoracic deformity makes it impossible to perform the operation via the apical approach. 8. In addition to ASD and PFO occlusion, patients who require other cardiac surgery at the same time. 9. Patients with ST segment elevation myocardial infarction within 30 days before operation. 10. Left ventricular ejection fraction < 30%. 11. Patients who underwent cardio cerebrovascular and peripheral vascular surgery within 30 days before operation. 12. Severe tricuspid regurgitation. 13. The life expectancy is less than 12 months. 14. The researcher thinks that it is not suitable to participate in this clinical trial. 15. Participating in other clinical trials.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Success rate of mitral valve repair; | — |
Secondary
| Measure | Time frame |
|---|---|
| Size of Left ventricular and left atrial, left ventricular ejection fraction;NYHA heart function class;Degree of mitral regurgitation;Incidence of adverse events; | — |
Countries
China
Contacts
Zhongshan Hospital