Agreement between single plane and biplane derived angiographic fractional flow reserve in patients with intermediate coronary artery stenosis View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

2021-11-11

AUTHORS

Jiro Ando, Katharina Otani, Thomas Redel, Shun Minatsuki, Hironobu Kikuchi, Satoshi Kodera, Issei Komuro

ABSTRACT

Fractional flow reserve (FFR) is often used to evaluate the physiological severity of intermediate coronary stenoses, but less-invasive assessment methods are desirable. We evaluated the feasibility of angiographic FFR (angioFFR) calculated from two projections acquired simultaneously by a biplane C-arm system and angioFFR calculated from two projections acquired independently by one plane of the same biplane C-arm system. AngioFFR was validated against FFR in terms of detection of hemodynamically relevant coronary artery stenoses. Twenty-two Patients who underwent angiography and FFR for coronary artery disease were included. We used a non-commercial prototype to calculate biplane angioFFR for 22 vessels (19 LAD, 1 LCx, 2 RCA) and single plane angioFFR for 17 of the same 22 vessels. FFR < 0.8 was measured in 8 vessels. The Pearson correlation coefficients with FFR were 0.55 for single plane angioFFR and 0.61 for biplane angioFFR and the diagnostic accuracies were 88% (95% CI 73–100%) for single plane angioFFR and 86% (95% CI 72–100%) for biplane angioFFR. Bland–Altman plots revealed that compared with FFR, the limits of agreement for single plane angioFFR were – 0.07 to 0.19 (mean difference 0.06, p = 0.002) and the limits of agreement for biplane FFR were – 0.09 to 0.15 (mean difference 0.03, p = 0.03). In conclusion, angioFFR calculated from single or biplane acquisitions by a biplane C-arm is feasible and may evolve to a tool for less invasive imaging-based assessment of myocardial ischemia. More... »

PAGES

549-554

References to SciGraph publications

  • 2017-06-02. Fractional flow reserve: a clinical perspective in THE INTERNATIONAL JOURNAL OF CARDIOVASCULAR IMAGING
  • Identifiers

    URI

    http://scigraph.springernature.com/pub.10.1007/s00380-021-01959-z

    DOI

    http://dx.doi.org/10.1007/s00380-021-01959-z

    DIMENSIONS

    https://app.dimensions.ai/details/publication/pub.1142528211

    PUBMED

    https://www.ncbi.nlm.nih.gov/pubmed/34762151


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