From: Coronary artery bypass surgery and longitudinal evaluation of the autonomic cardiovascular function
Variable | Group | Preoperative | After surgery | |||||
---|---|---|---|---|---|---|---|---|
3 days | 6 days | 15 days | 30 days | 60 days | 90 days | |||
Mean R–R (ms) | CABG | 903 ± 40 | 761 ± 45* | 781 ± 42* | 790 ± 36* | 802 ± 26* | 801 ± 36 | 802 ± 35 |
CAD | 856 ± 49 | - | - | - | 842 ± 38 | 816 ± 33 | 835 ± 47 | |
Healthy | 860 ± 36 | - | - | - | - | - | - | |
SDNN (ms) | CABG | 35 ± 3 | 16 ± 2* | 16 ± 2* | 19 ± 2* | 25 ± 2* | 32 ± 3 | 27 ± 3 |
CAD | 31 ± 4 | - | - | - | 29 ± 3 | 30 ± 3 | 31 ± 2 | |
Healthy | 42 ± 5† | - | - | - | - | - | - | |
SDANN (ms) | CABG | 16 ± 3 | 6 ± 1* | 6 ± 1* | 9 ± 1* | 15 ± 3 | 18 ± 3 | 14 ± 2 |
CAD | 21 ± 4 | - | - | - | 19 ± 3 | 20 ± 3 | 20 ± 3 | |
Healthy | 39 ± 7† | - | - | - | - | - | - | |
RMSSD (ms) | CABG | 24 ± 4 | 10 ± 2* | 10 ± 1* | 12 ± 1* | 19 ± 4 | 21 ± 3 | 19 ± 2 |
CAD | 22 ± 3 | - | - | - | 18 ± 3 | 19 ± 2 | 20 ± 4 | |
Healthy | 27 ± 3 | - | - | - | - | - | - | |
pNN50 (%) | CABG | 8 ± 0 | 3 ± 0* | 3 ± 0* | 3 ± 0* | 4 ± 0* | 7 ± 0 | 6 ± 0 |
CAD | 4 ± 0 | - | - | - | 3 ± 0 | 4 ± 0 | 3 ± 0 | |
Healthy | 11 ± 0b | - | - | - | - | - | - |