Table 2.
Hemodynamic and autonomic parameters in wild type group (WT; n = 8) and ob/ob group (OB; n = 8).
| WT | OB | |
|---|---|---|
| HEMODYNAMIC PARAMETERS | ||
| SAP (mmHg) | 132 ± 2 | 129 ± 4 |
| DAP (mmHg) | 96 ± 2 | 97 ± 3 |
| MAP (mmHg) | 114 ± 2 | 114 ± 4 |
| HR (bpm) | 562 ± 14 | 564 ± 20 |
| HEART RATE VARIABILITY | ||
| RMSSD (ms) | 12.0 ± 1.3 | 6.1 ± 0.9* |
| LF (ms2) | 135 ± 26 | 7 ± 2* |
| HF (ms2) | 43 ± 6 | 13 ± 2* |
| ARTERIAL PRESSURE VARIABILITY | ||
| VAR (mmHg2) | 20 ± 3 | 24 ± 3 |
| LF (mmHg2) | 9 ± 1 | 10 ± 1 |
| BAROREFLEX SENSITIVITY | ||
| Alpha index (ms/mmHg) | 3.12 ± 0.32 | 0.74 ± 0.07* |
| NON-LINEAR ANALYSES | ||
| SD1 | 13.9 ± 2.5 | 6.0 ± 1.3* |
| SD2 | 24.2 ± 1.5 | 15.0 ± 2.3* |
| Alpha 1 | 1.00 ± 0.09 | 0.57 ± 0.05* |
| Alpha 2 | 0.65 ± 0.04 | 0.95 ± 0.03* |
| SampEn | 1.56 ± 0.09 | 1.72 ± 0.03 |
| ApEn | 1.41 ± 0.05 | 1.47 ± 0.02 |
Data are reported as mean± SEM.
*
p < 0.05 vs. WT. SAP, systolic arterial pressure; DAP, diastolic arterial pressure; MAP, mean arterial pressure; HR, heart rate; RMSSD, root mean square of the successive differences; VAR, total variance; LF, low-frequency band; (0.1–1.0 Hz); HF, high-frequency band (HF: 1.0–5 Hz); Poincare plot (SD1 and SD2); Detrended fluctuation analysis (Alpha 1 and Alpha 2); Sample entropy (SampEn), and Approximate entropy (ApEn).