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Table 3 Results from surface electromyography for the masseters and supra-hyoid group for electrostimulation of each channel during drug-induced sleep endoscopy

From: Hypoglossal nerve trunk stimulation: electromyography findings during drug-induced sleep endoscopy: a case report

 

Right

masseter

(RM)

Left masseter

(LM)

difference

LM × RM (%)

Right

suprahyoid

(RS)

Left

suprahyoid

(LS)

difference

LS × RS (%)

Turned off (µv)

4.5

4.0

11.1

6.0

5.0

16.7

Normalized (%)

1.4

1.5

6.7

4.0

4.6

13.4

Activation channel 1 (µv)

16

6.2

61.3*

92.4

70.8

23.4

Normalized (%)

4.9

2.4

51.0

59

64.1

8.0

Activation channel 2 (µv)

15.5

6.3

59.4*

96.6

77.9

19.4

Normalized (%)

4.8

2.4

50.0

62.7

70.5

11.1

Activation channel 3 (µv)

15.6

6.4

59.0*

100.1

81.5

18.6

Normalized (%)

4.8

2.5

47.9

63.9

73.8

13.4

Activation channel 4 (µv)

15.7

6.3

59.9*

95.5

77.7

18.6

Normalized (%)

4.9

2.4

51.0

61

70.4

13.4

Activation channel 5 (µv)

15.4

6.4

58.4*

96.1

78.8

18.0

Normalized (%)

4.8

2.5

47.9

61.4

71.3

13.9

Activation channel 6 (µv)

15.4

6.5

57.8*

103.6

84.8

18.2

Normalized (%)

4.8

2.5

47.9

66.1

76.8

13.9

  1. *Electric potential difference greater than 20%