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Table 1 Systemic physiology during CSD recording in different nVNS paradigms

From: Efficacy profile of noninvasive vagus nerve stimulation on cortical spreading depression susceptibility and the tissue response in a rat model

 

n

pH

pCO2 (mmHg)

pO2 (mmHg)

BP (mmHg)

Amplitude-response

     

Sham stimulation

6

7.41\(\pm\)0.01

36\(\pm\)2

100\(\pm 3\)

94\(\pm 3\)

Low intensity nVNS

6

7.38\(\pm\)0.01

41\(\pm\)1

95\(\pm\)8

92\(\pm\)3

Medium intensity nVNS

6

7.38\(\pm\)0.01

39\(\pm\)1

102\(\pm\)6

95\(\pm\)6

High intensity nVNS

6

7.41\(\pm\)0.01

36\(\pm\)2

104\(\pm\)2

90\(\pm\)3

Dose-response

     

Sham stimulation

8

7.44\(\pm\)0.01

37\(\pm\)1

156\(\pm\)5

98±4

2\(\times\)2-min nVNS

8

7.44\(\pm\)0.01

38\(\pm\)1

147\(\pm\)5

99\(\pm\)3

3\(\times\)2-min nVNS

9

7.45\(\pm\)0.01

36\(\pm\)1

152\(\pm\)3

95\(\pm\)3

1\(\times\)6-min nVNS

8

7.44\(\pm\)0.01

38\(\pm\)1

150\(\pm\)5

96\(\pm\)3

Chronic treatment

     

Daily nFNS

6

7.42\(\pm\)0.01

39\(\pm\)1

134\(\pm\)5

107\(\pm\)4

Daily nVNS

8

7.43\(\pm\)0.01

35\(\pm\)1*

143\(\pm\)4

94\(\pm\)6

  1. *P=0.023 vs. nFNS (Mann-Whitney U test)
  2. Data are mean\(\pm\)SEM