Fractional Flow Reserve (FFR) Versus Instant Wave-Free Ratio (iFR)

NHS National Waiting Times Centre Board

Status: Completed

Conditions: Coronary Artery Disease; Plaque, Atherosclerotic

Study type: Observational

Funder types: Other

Identifiers

NCT01559493

Version F 2nd Jan 2012

Details and patient eligibility

About

Comparison of Fractional Flow Reserve versus instant Wave-Free Ratio for assessment of coronary artery stenosis severity in routine practice

• To compare FFR to iFR in arbitrary consecutive patients referred for percutaneous coronary intervention (PCI).
• To investigate the influence of hyperemia on iFR.
• To test reproducibility of iFR and FFR.

Enrollment: 200 patients

Sex: All

Volunteers: No Healthy Volunteers

Inclusion criteria

• all consecutive patients undergoing FFR assessment for standard clinical indications.

Exclusion criteria

• prior CABG
• extremely tortuous, calcified lesions
• coronary artery occlusion
• acute MI within 5 days

Trial design

200 participants in 1 patient group

FFR; iFR

Description:

Interventional Cardiology, Pressure wire, fractional flow reserve, coronary flow measurement