The correlation between aortic blood flow status and postoperative complications

The correlation between blood flow status before aortic valve replacement and postoperative complications

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR2000036068

Enrollment

Unknown

Registered

2020-08-21

Start date

2020-10-01

Completion date

Unknown

Last updated

2020-08-31

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

Conditions

aortic valve stenosis

Interventions

tricuspid aortic valve stenosis:aortic valve replacement

Bicuspid aortic valve stenosis :aortic valve replacement

Eligibility

Sex/Gender

All

Age

18 Years to 100 Years

Inclusion criteria

Inclusion criteria: 1. symptomatic with New York heart association (NYHA) class >=II; 2. documented severe calcified native aortic stenosis by Echocardiography: aortic valve area (AVA) =40 mmHg, or jet velocity >=4.0 m/s; 3. with significant annulus/perivalvular calcification confirmed by coronary CTA or aortic CTA; The diameter of ascending aortic root >40mm.

Exclusion criteria

Exclusion criteria: (1) With contravariant use of iodine contrast agent: had a history of severe allergy to iodine agent, failed to cure hyperthyroidism, severe diabetic nephropathy or severely impaired renal function (eGFR<30ml/min/1.73m2); (2) No conscious, can not hold breath to cooperate with the inspection; (3) With contraindications to MR examination (such as pacemaker implantation, ICD implantation, and patients with claustrophobia).

Design outcomes

Primary

Measure	Time frame
ascending aorta width in 4cm distance from annulus;	—

Countries

China

Contacts

Public ContactLei Zhang

Shanghai General Hospital

lei.zhang2@shgh.cn+86 13122020669

Outcome results

None listed

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