ABC | Volume 114, Nº3, March 2020

Original Article Candemir et al. Slow Flow and Magnetic Resonance Imaging Arq Bras Cardiol. 2020; 114(3):540-551 Table 1 – Comparison of Clinical Characteristics between both Groups Parameters Total (N=35) Slow Flow (N= 19) Control (N= 16) p value Age, mean (SD), years 50.3 ± 10.7 51.3 ± 8.2 49.44 ± 12.8 0.62 Sex (Male), n (%) 29 (82) 15 (78.9) 14 (87.5) 0.50 Hypertension, n (%) 9 (25) 6 (31.6) 3 (18.8) 0.38 Diabetes mellitus, n (%) 11 (31) 6 (31.6) 5 (31.3) 0.98 Smoker, n (%) 18 (51) 9 (47.4) 9 (56.3) 0.60 Family history, n (%) 8 (22) 4 (21.1) 4 (25) 0.78 Dyslipidaemia, n (%) 5 (14) 3 (15.8) 2 (12.5) 0.78 BMI, mean (SD) (kg/m²) 27.7 ± 2.3 28.1 ± 2.5 27.3 ± 2 0.39 NT-proBNP (pg/ml) 29,5 (17.7-66.2) 47.8 (22.6-121.5) 26.0 (10.9-58.1) 0.246 cTIMI flow (frame/second) 34.6 ± 16.2 28.0 ± 8.6 13.1 ± 1.2 <0.001 METs, mL/kg/dk 10.38 ± 1.91 9.74 ± 2.05 11.15 ± 1.43 0.027 Positive results of MRI n (%) 10 (28) 10 (52.6) 0 (0) 0.001 BMI: body mass index ; cTIMI: corrected Thrombolysis in Myocardial Infarction; METs: metabolic equivalents; MRI: magnetic resonance imaging. Figure 2 – Four-chamber delayed-enhancement Phase Sensitive Inversion Recovery (PSIR) image, showing delayed subendocardial circumferential enhancement in the apical region (arrows) of the left ventricle. 544