Comparison of the accuracy of ischemia detection between IQ-FFR (IVUS derived-FFR) and Angio derived-FFR

Comparison of the accuracy of ischemia detection between IQ-FFR (IVUS derived-FFR) and Angio derived-FFR - Comparison of the accuracy of ischemia detection between IQ-FFR (IVUS derived-FFR) and Angio derived-FFR

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000057975

Enrollment

200

Registered

2025-05-26

Start date

2025-05-15

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

Coronary artery disease

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients diagnosed with ischemia based on wire-based FFR who underwent IVUS-guided PCI, and had angiography-derived FFR measurements both pre- and post-procedure.

Exclusion criteria

Exclusion criteria: A patient who has undergone neither IVUS nor angiography-based FFR assessment.

Design outcomes

Primary

Measure	Time frame
To compare wire-based invasive FFR measurements with IQ-FFR and angiography-derived FFR values as a reference.	—

Secondary

Measure	Time frame
To assess the diagnostic accuracy of IQ-FFR and angiography-derived FFR.	—

Countries

Japan

Contacts

Public ContactMunenori Okubo

Gifu Heart Center Department of Cardiovascular Medicine

munenori1971@yahoo.co.jp0582772277

Outcome results