PSI - Issue 40

V. Mironov et al. / Procedia Structural Integrity 40 (2022) 296–306 V. Mironov at al. / Structural Integrity Procedia 00 (2022) 000 – 000

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Table 2. Results of HRV comparison in patients with autonomic cardioneuropathy (ACN) (n-56, first line) and in patients without ACN (n-67, second line) before CABGS. HRV indices (M  ) in sec. (s) and % Ph, Initial posture Vm, manoeuvre рА, Ashner test Aор, Active ortostatic test. PWC 120 Exercise test RR, s average interval

0. 522±0 .081 0.768  0.114 t = 14.05*** 0. 011±0 .002 0.017  0.006 t = 2.0* 0. 002±0 .001 0.008  0.004 t = 10.0*** 0. 001±0 .001 0.006  0.002 t = 6.02** 0. 002±0 .001 0.007  0.004 t = 7.93** 78. 8±8 .42 56. 39±14 .89 t = 10.47*** 12.33  7.03 17. 84±10 .83 t = 3.39* 15. 7±4 .78 25. 76±12 .53 t = 6.03**

0.542  0,072 0.770  0.102 t = 14.61*** 0.011  0.005 0.016  0.005 t = 5.98** 0.008  0.004 0.011  0.005 t = 4.28* 0.004  0.002 0.008  0.002 t = 4.0** 0.006  0.003 0.011  0.003 t = 4.54** 74.64  8.34 60. 26±16 .30 t = 6.3** 13.77  8.99 16. 60±5 .82 t = 2.02* 16.58  7.84 21. 12±16 .18 t = 2.028* 6.48  6.13 11. 59± 9 .96 t = 3.48* 9.92  2.56 7. 78±2 .58 t = 4.6** 12. 73± 8.61 7.48  4.71 t = 4.07*

0.546  0.082 0.777  0.107 t = 13.83** 0.011  0.006 0.017  0.004 t = 7.79** 0.008  0.004 0.012  0.005 t = 5.19** 0.004  0.002 0.009  0.003 t = 3.57* 0.006  0.004 0.010  0,001 t = 6.34** 76.19  9.98 55. 31±16 .42 t = 8.66*** 13.98  8.88 17. 75± 10 .0 t = 2.21* 16.88  7.61 20. 93±12 .7 t = 2.19* 4.12  3.60 7. 95± 6 .87 t = 3.95* 9. 38±2 .47 5.55  2.38 t = 8.71*** 24. 61±7 .85 14.47  4.98 t = 8.36***

0.698  0.095 0.810  0.087 t = 7.25** 0.009  0.004 0.017  0.006 t = 8.88*** 0.007  0.003 0.012  0.004 t = 8.33*** 0.003  0.002 0.009  0.002 t = 5.45** 0.004  0.003 0.012  0,001 t = 16.0*** 77.20  19.64 59. 36±16 .23 t = 5.42** 12.89  7.32 18. 91±14 .22 t = 3.02* 17.9  6.31 22. 72±11 .24 t = 2.88* 12.31  6.78 21. 69±8 .07 t = 6.91** 18. 61± 6 .39 11.99  3.82 t = 6.8** 20. 03±6 .26 15.05  5.74 t = 4.56**

0.783  0.124 0.730  0.074 t = 2.83* 0.010  0.005 0.018  0.004 t = 10.3*** 0.008  0.003 0.015  0.004 t = 11.6*** 0.005  0.003 0.012  0.002 t = 8.49*** 0.007  0.005 0.014  0.003 t = 5.38** 78.46  24.39 57. 87±19 .35 t = 5.11* 14.87  6.98 16. 64±7 .79 t = 1.33 22.66  7.11 37. 48±19 .12 t = 5.87** 9.62  7.21 19. 23±11 .26 t = 5.72** 43. 85 ±12 .96 20.0  12.16 t = 10.45*** 102. 06±32 .21 75.06  27.71 t = 4.92**

SDNN, s average dispersion of all HRV waves

σl, s average quadratic dispersion of humoral waves

σm, s average quadratic of sympathetic HRV waves

σs , s average quadratic dispersion of parasympathetic HRV waves

VLF, % spectral share of humoral HRV waves

LF, % spectral share of sympathetic HRV waves

HF, % spectral share of parasympathetic HRV waves

∆ RR, % maximal reactions in tests

t AB , s time of maximal reactions in tests

t r, s time of restoration after tests

* p<0.05; ** p<0.01; ***p<0.001