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  • Title: Evaluation of endothelial dysfunction with flow-mediated dilatation after transradial coronary angiography.
    Author: Tak BT, Balci KG, Erken H, Gerede DM, Tak S, Göksülük H, Turhan S, Erol Ç.
    Journal: Acta Cardiol; 2017 Jun; 72(3):305-310. PubMed ID: 28636509.
    Abstract:
    Objective Transradial coronary angiography (TRCA) may lead to endothelial dysfunction. Therefore, this study investigated the TRCA-related endothelial dysfunction and its relation to operator experience, the number of punctures and procedure duration. Methods and results A total of 57 patients (42 males and 17 females) who underwent TRCA were included in this single-centre study. Nine months after the procedure, all patients underwent radial artery B-mode ultrasound imaging, and flow-mediated dilatation (FMD) and nitroglycerin-mediated dilatation (NMD) techniques were employed. The non-intervened right radial artery was accepted as control. The percentage change in diameter after FMD was significantly greater in the right radial artery compared to the left radial artery (right 13.6% vs left 10.1%, P = 0.041). The percentage change in diameter after NMD was similar in both right and left radial arteries (right 23.8% vs left 23.4%, P = 0.932). According to the puncture numbers, the percentage change was significantly lower in the intervened artery among patients with more than one puncture (13.3% vs 7.8%, P = 0.005). According to the operator experience, the percentage change in the intervened artery was significantly higher in patients in whom the procedure was performed by experienced operators (13.7% vs 7.6%, P = 0.002). The procedure duration also showed a negative correlation with the percentage change in the intervened artery (r = -0.349, P = 0.008). Conclusions TRCA may lead to endothelial dysfunction represented by FMD. Moreover, higher puncture numbers for sheath insertion, longer procedure durations and less experience in radial interventions may have adverse effects on the endothelial function.
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