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A Study of In-Stent Restenosis after Transcatheter Aortic Valve Replacement Concomitant with Chimney Stent Implantation

A Study of In-Stent Restenosis after Transcatheter Aortic Valve Replacement Concomitant with Chimney Stent Implantation

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2500109815
Enrollment
Unknown
Registered
2025-09-25
Start date
2025-09-30
Completion date
Unknown
Last updated
2025-09-29

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

Conditions

Severe Aortic Stenosis

Interventions

Exposure Group (Transcatheter Aortic Valve Replacement with Chimney Stent Graft Implantation):None

Sponsors

Union Hospital, Tongji Medical College, Huazhong University of Science and Technology
Lead Sponsor

Eligibility

Sex/Gender
All
Age
50 Years to 85 Years

Inclusion criteria

Inclusion criteria: 1 The patient gives informed consent and signs the informed consent form, committing to adhere to the research procedures. 2 All participants are over 50 years old. 3 Patients who meet conventional TAVR indications 4 Patients are pre-procedurally assessed to be at high risk for coronary obstruction or are intraprocedurally confirmed to have a risk of coronary obstruction.

Exclusion criteria

Exclusion criteria: 1 Contrast agent allergy or eGFR < 30 ml/min/1.73 m^2 2 Life expectancy < 1 year, 3 Severe missing data, 4 Loss to follow-up, 5 Contraindications to contrast agents.

Design outcomes

Primary

MeasureTime frame
In-Stent Restenosis;Target Lesion Failure;—

Secondary

MeasureTime frame
Stent Thrombosis;Major Adverse Cardiovascular Events;—

Countries

China

Contacts

Public ContactXiaoke Shang

Union Hospital, Tongji Medical College, Huazhong University of Science and Technology

sxs_sxk@163.com+86 27 8572 6375

Outcome results

None listed

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