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

Completed

Conditions studied: Coronary Artery Disease, Plaque, Atherosclerotic

In brief

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.

Key facts

Study ID

NCT01559493

Run by

NHS National Waiting Times Centre Board

People needed

200

Starts

2012-01-01

Expected to finish

2012-02-01

Last updated by the study team

2012-03-21

Who can join

Age: any. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

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

You may not qualify if…

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

Where it is running

• Stanford University — Stanford, California, United States
• Cardiovascular Center Aalst — Aalst, Belgium
• University Hospital Brno — Brno, Czechia
• Catharina Ziekenhuis — Eindhoven, Netherlands
• Stockholm South Hospital — Stockholm, Sweden

Full record on ClinicalTrials.gov

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