ABC | Volume 113, Nº6, December 2019

Original Article Elias Neto et al. Great arteries behavior during orthostasis Arq Bras Cardiol. 2019; 113(6):1072-1081 Table 2 – Effects of the tilt test at 70°/20 min. (mean in standing position) on the participants’ hemodynamic parameters and PWV Variable Basal Tilt test (mean in standing position) Recovery Mean ± SD Mean ± SD Mean ± SD SBP, mmHg 130 ± 1811 128 ± 15 121 ± 16 ††† DBP, mmHg 082 ± 13*** 087 ± 11 077 ± 13 ††† MBP, mmHg 099 ± 15*** 103 ± 11 093 ± 14 ††† PP, mmHg 047 ± 13*** 042 ± 8 044 ± 11 ††† HR, bpm 066 ± 11*** 079 ± 14 068 ± 13 ††† PWV, m/s 010 ± 2.3*** 011 ± 2.5 009 ± 2,0 ††† *** p < 0.001 vs. tilt test; ††† p < 0.001 vs. tilt test. SBP: systolic blood pressure; DBP: diastolic blood pressure; MBP: medium blood pressure; PP: pulse pressure; HR: heart rate; PWV: pulse wave velocity. Figure 2 – Chart of dispersion between carotid-femoral pulse wave velocity in the standing position (PWVp) and: A – basal carotid-femoral pulse wave velocity (basal PWV), p < 0.01; B – systolic blood pressure (SBP), p < 0.001; C – age, in 93 participants, p < 0.001; D – heart rate (HR) in 93 participants, p < 0.001. 18 18 16 16 14 14 12 12 16 20 24 12 10 10 10 20 30 40 50 60 70 80 8 8 8 6 6 4 6 8 10 12 14 16 18 20 80 100 120 140 160 180 50 6 8 10 12 14 16 18 20 60 70 80 90 100 110 120 4 4 PWVp (m/s) PWVp (m/s) PWVp (m/s) PWVp (m/s) PWV (m/s) A C B D Age (years) HR (bpm) SBP (mmHg) y = 0,7587x + 1,1684 r = 0,81 17 y = 0,0987x + 7,5931 r = 0,64 r = 0,37 y = 0,0667x + 16,972 r = 0,46 y = 0,0778x + 1,7523 Table 3 – Correlation between carotid-femoral pulse wave velocity in the supine position and anthropomorphic and hemodynamic parameters Parameters Correlation coefficient p value Age, years 0.593 < 0.001 Weight, kg 0.063 NS Height, cm –0.125 NS BMI, Kg/m 2 0.194 NS SBP, mmHg 0.547 < 0.001 DBP, mmHg 0.528 < 0.001 MBP, mmHg 0.560 < 0.001 HR, mmHg 0.063 NS PP, mmHg 0.216 < 0.05 BMI: body mass index; SBP: systolic blood pressure; DBP: diastolic blood pressure; MBP: medium blood pressure; HR: heart rate; PP: pulse pressure; NS: no significance. Table 4 – Correlation between mean carotid-femoral PWV during the tilt test at 70°/20 min with anthropomorphic and hemodynamic parameters Parameters Correlation coefficient p value Age, years 0.638 < 0.001 Weight, kg 0.220 < 0.05 Height, cm –0.020 NS BMI, kg/m 2 0.323 < 0.01 SBPp, mmHg 0.464 < 0.001 DBPp, mmHg 0.363 < 0.001 MBPp, mmHg 0.358 < 0.001 HRp, mmHg –0.366 < 0.001 PPp, mmHg 0.307 < 0.01 BMI: body mass index; SBPp: mean systolic blood pressure during the tilt test; DBPp: mean diastolic blood pressure during the tilt test; MBPp: mean medium blood pressure during the tilt test; HRp: mean heart rate during the tilt test; PPp: mean pulse pressure during the tilt test; NS: no significance. 1075