Table 2.
Normal | Heart Failure | |
---|---|---|
sBP vs HR | ||
Maximum gain (beats/min/mmHg) | −5.34 ± 0.66 | −3.29 ± 0.56 * |
Top plateau (beats/min) | 162.0 ± 11.44 | 117.1 ± 4.3 *** |
Bottom plateau (beats/min) | 52.6 ± 4.3 | 58.2 ± 1.8 |
dBP vs normalized CSNA | ||
Maximum gain (% max/mmHg) | −6.03 ± 0.95 | −6.33 ± 1.06 |
dBP vs CSNA | ||
Maximum gain (spikes/sec/mmHg) | −2.30 ± 0.41 | −5.51 ± 1.60 |
Top plateau (spikes/sec) | 43.8 ± 9.9 | 76.8 ± 14.5 |
Bottom plateau (spikes/sec) | −2.47 ± 3.5 | −3.0 ± 2.2 |
Abbreviations: CSNA, cardiac sympathetic nerve activity; dBP, diastolic blood pressure; HP, heart period; HR, heart rate.
P<0.05,
P<0.01,
P<0.001 vs normal group.