Association of post-procedural QFR of side branch with anatomical and functional characteristics and clinical outcomes in coronary bifurcation lesions with provisional stenting

Status

Recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR2100053390

Enrollment

Unknown

Registered

2021-11-20

Start date

2021-12-01

Completion date

Unknown

Last updated

2022-09-26

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

Conditions

Coronary artery disease

Interventions

Case series:None

Eligibility

Sex/Gender

All

Age

18 Years to 80 Years

Inclusion criteria

Inclusion criteria: 1. Aged > 18 year; 2. The diagnosis is CAD, and CAG+PCI is planned; 3. Use Provisional procedure to treat bifurcation lesions (D for LAD, OM for LCX, and PDA/RPLA for RCA are defined as side branches); 4. The angiographic images are clear, complete and without overlap.

Exclusion criteria

Exclusion criteria: 1. Clinical or angiographic conditions limiting QFR calculation (left main disease, CTO disease, progressive ventricular arrhythmia, or persistently significant tachycardia); 2. The diameter of side branch vessels is less than 1.5mm.

Design outcomes

Primary

Measure	Time frame
post-procedural Quantitative blood flow fraction of side branch ostium;	—

Secondary

Measure	Time frame
Diameter stenosis of side branch ostium at follow-up;Quantitative blood flow fraction of side branch ostium at follow-up;	—

Countries

China

Contacts

Public ContactShen Linghong

Shanghai Chest Hospital, Shanghai Jiao Tong University

rjshenlinghong@126.com+86 13916495713

Outcome results

None listed

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