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  • Open Access

    ARTICLE

    Impact of Coronary Artery Curvature on the Longitudinal Stent Foreshortening: Real-World Observations

    Yang Li1,#, Runxin Fang2,#, Renyun Wang1, Qiming Dai1, Zhiyong Li2,*, Genshan Ma1

    Molecular & Cellular Biomechanics, Vol.18, No.3, pp. 119-122, 2021, DOI:10.32604/mcb.2021.017503 - 15 July 2021

    Abstract Longitudinal stent foreshortening is a known phenomenon, however, the impact of coronary artery curvature on longitudinal stent foreshortening remains unclear. The aim of this study is to determine the impact of coronary artery curvature on the longitudinal stent foreshortening in the real-world scenarios. A total of 86 consecutive patients underwent coronary stent implantation were included in the present study. The degree of coronary artery curvature was defined as the length of the coronary artery curvature divided by the straight length. Longitudinal stent foreshortening was defined as the stent length after implantation divided by the stent More >

  • Open Access

    CASE REPORT

    FFR-Guided PCI in a 17-Year-Old Patient after Arterial Switch Operation for D-Transposition of the Great Arteries

    Domenico Sirico1, Biagio Castaldi1,*, Giuseppe Tarantini2, Giovanni Di Salvo1

    Congenital Heart Disease, Vol.15, No.6, pp. 441-445, 2020, DOI:10.32604/CHD.2020.012863 - 02 November 2020

    Abstract Asymptomatic coronary artery obstruction represents a significant diagnostic challenge in patients with Dextro-Transposition of the Great Arteries and history of Arterial Switch Operation. We report the case of a 17-year-old boy with anomalous origin of left circumflex artery from the right coronary artery, who underwent neonatal arterial switch operation and developed silent myocardial ischemia under stress on myocardial scintigraphy. Despite coronary angiogram and intravascular ultrasound showed only intermediate stenosis of the right coronary artery ostium, the physiological analysis, through the employment of pressure wire, demonstrated a severe reduction of coronary fractional flow reserve after pharmacologically More >

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