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Author

N. Kalay

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Open access Sep 2026

Head-to-Head Comparison of Quantitative Flow Ratio, Intravascular Ultrasound, and Coronary Angiography in Left Main Coronary Artery Disease.

BACKGROUND Intermediate left main coronary artery (LMCA) disease poses a significant diagnostic challenge. Intravascular ultrasound (IVUS) is the guideline-recommended reference standard for anatomical assessment, whereas quantitative flow ratio (QFR) provides a wire-free physiological estimate. Conventional coronary a...

İskan Zengin, Fuat Polat, Deniz Elçik et al. · 0 citations
Sep 2026

Diagnostic performance of quantitative flow ratio against intravascular ultrasound in left main coronary artery disease: a prospective single-centre study.

QFR demonstrated moderate concordance with IVUS but limited sensitivity, particularly in distal bifurcation lesions, and underestimated vessel dimensions, which limits its utility for LMCA procedural planning and stent optimization.

İskan Zengin, Fuat Polat, Deniz Elçik et al. · 0 citations

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