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Table 2 Effect of a single TAVNS on hemodynamic parameters and heart rate variability components in MetS patients

From: Brief periods of transcutaneous auricular vagus nerve stimulation improve autonomic balance and alter circulating monocytes and endothelial cells in patients with metabolic syndrome: a pilot study

 

TAVNS (n = 20)

p

Baseline

After 30 min of TAVNS

Office parameters

 SBP (mmHg)

137 ± 21

136 ± 22

0.859

 DBP (mmHg)

81 ± 10

80 ± 10

0.825

 HR (bpm)

72 ± 7

69 ± 8

0.022*

Beat-to-beat registry

 SBP (mmHg)

138 ± 20

135 ± 23

0.267

 DBP (mmHg)

78 ± 8

78 ± 9

0.755

 HR (bpm)

70 ± 8

67 ± 8

0.011*

HRV

 VARR

2749 ± 2793

3643 ± 4791

0.192

 RMSSD (ms)

41 ± 28

48 ± 42

0.196

 LF abs (ms2)

772 ± 839

1015 ± 1756

0.347

 HF abs (ms2)

896 ± 1362

1372 ± 2228

0.149

 LF/HF ratio

1.4 ± 0.9

1.1 ± 0.7

0.010*

  1. SBP Systolic blood pressure, DBP Diastolic blood pressure, HR Heart rate, VARR Total variance of RR interval, RMSSD Square root of the mean of the square of successive differences between adjacent RR intervals, LF abs Low frequency spectral power, HF abs High frequency spectral power
  2. *p < 0.05
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Bioelectronic Medicine

ISSN: 2332-8886