3D-TEE evaluation for aortic-mitral valve coupling changes in patients with severe aortic stenosis after surgical aortic valve replacement and transcatheter aortic valve implantation

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR1900022304

Enrollment

Unknown

Registered

2019-04-03

Start date

2019-04-01

Completion date

Unknown

Last updated

2019-04-08

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Aortic stenosis

Interventions

Gold Standard:Clinical outcomes

Index test:three-dimensional&#32

transesophageal&#32

echocardiography&#32

(3D-TEE)

Eligibility

Sex/Gender

All

Age

50 Years to 100 Years

Inclusion criteria

Inclusion criteria: 1. Valve opening area 40 m m Hg (1 m m Hg = 0.133 kPa); 3. Peak blood flow velocity > 4.0 m/s.

Exclusion criteria

Exclusion criteria: Congenital aortic valve malformation, severe aortic regurgitation, left ventricular ejection fraction < 20%, and previous aortic or mitral valve surgery.

Design outcomes

Primary

Measure	Time frame
AMC;	—

Countries

China

Contacts

Public ContactJiawei Tian

Second Affiliated Hospital of Harbin Medical University

982414626@qq.com+86 18645034074

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026