Status:

COMPLETED

Diagnostic Performance of On-site Automatic Coronary Computed Tomography Angiography-derived Fractional Flow Reserve

Lead Sponsor:

Seoul National University Hospital

Collaborating Sponsors:

Keimyung University Dongsan Medical Center

Inje University Ilsan Paik Hospital

Conditions:

Coronary Artery Disease

Eligibility:

All Genders

20+ years

Brief Summary

The current study evaluated the diagnostic performance for myocardial ischemia of on-site automatic CCTA-derived FFR (CT-FFR) using a commercially available workstation as compared with invasive FFR a...

Detailed Description

This is a retrospective, multicenter, comparative, investigator-initiated study to evaluate the diagnostic performance of CT-FFR from routinely acquired CCTA data using the software HeartMedi+ 1.0 (AI...

Eligibility Criteria

Inclusion

  • adults aged 20 years or older
  • individuals who had undergone ≥ 64 multidetector row CCTA within 90 days before invasive coronary angiography and FFR measurement
  • individuals who had not experienced any clinical events or significant clinical changes between the time of CCTA and invasive coronary angiography

Exclusion

  • previous coronary intervention or coronary bypass surgery in the target vessel
  • invasive coronary angiography under unstable conditions
  • previous myocardial infarction at target vessel territory
  • congenital heart disease
  • moderate or severe valvular heart disease
  • previous valvular heart surgery
  • left ventricular ejection fraction ≤40% or left ventricular hypertrophy
  • previous cardiac device implantation
  • body mass index \>35 kg/m2
  • poor FFR tracing quality
  • no information on the position of the FFR pressure wire
  • heart rate ≥100 beats/min during CCTA
  • CCTA calcium score ≥1000
  • no nitroglycerin prior to CCTA
  • CCTA slice thickness \>1.0 mm
  • significant artifacts in CCTA

Key Trial Info

Start Date :

May 26 2022

Trial Type :

OBSERVATIONAL

Allocation :

ACTUAL

End Date :

October 31 2023

Estimated Enrollment :

332 Patients enrolled

Trial Details

Trial ID

NCT06153927

Start Date

May 26 2022

End Date

October 31 2023

Last Update

December 1 2023

Active Locations (1)

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Seoul National University Hospital

Seoul, South Korea