Quantitative flow ratio as a continuous predictor of myocardial infarction.

ABSTRACT:

Background

The quantitative flow ratio (QFR) identifies functionally ischaemic lesions that may benefit more from percutaneous coronary intervention (PCI) than from medical therapy.

Aims

This study investigated the association between QFR and myocardial infarction (MI) as affected by PCI versus medical therapy.

Methods

All vessels requiring measurement (reference diameter ≥2.5 mm and existence of at least one stenotic lesion with diameter stenosis of 50-90%) in the FAVOR III China (5,564 vessels) and PANDA-III trials (4,471 vessels) were screened and analysed for offline QFR. The present study reported clinical outcomes on a per-vessel level. Interaction between vessel treatment and QFR as a continuous variable was evaluated for the threshold of 2-year MI estimated by

SUBMITTER: Guan C 

PROVIDER: S-EPMC10397678 | biostudies-literature | 2023 Aug

REPOSITORIES: biostudies-literature