aortic stenosis
Conditions
Interventions
Intervention Group:commissural alignment via hat marker in TAVR
Sponsors
West China Hospital, Sichuan University
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1. Severe aortic stenosis, defined as aortic orifice area 40 mmHg on resting echocardiography or maximum aortic orifice flow rate > 4.0 m/s; 2. The patient had symptoms, such AS shortness of breath, chest pain, syncope, NYHA cardiac function grade ? or above, and the symptoms were clearly caused by AS; 3. Anatomically suitable for TAVR: including the degree of valve calcification, aortic ring diameter, aortic sinus diameter and height, coronary artery opening height, entry diameter and so on; 4. Life expectancy after treatment of AS is more than 12 months; 5. Age requirement of patients: there is no age requirement for patients at high risk of surgery; Middle or high risk surgery patients, aged >=70 years; Patients under 70 years of age are considered suitable for TAVR by the cardiac team based on surgical risk and patient willingness.
Exclusion criteria
Exclusion criteria: 1. Left ventricular thrombus, left ventricular outflow tract obstruction, entrance diameter; 2. Any conditions considered contraindications for artificial biological valve implantation; 3. Bifid aortic valve has no cristae type (Sievers type was 0).
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| all-cause mortality; | — |
Countries
China
Contacts
Public ContactChen Mao
West China Hospital, Sichuan University
Outcome results
None listed