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Table 2 Mean arterial pressure and heart rate in group ND and NN

From: Effects of circadian rhythm on Narcotrend index and target-controlled infusion concentration of propofol anesthesia

  

T1

T2

T3

T4

T5

T6

T7

(mmHg)

ND

81 ± 7

72 ± 4

74 ± 5

80 ± 3

77 ± 6

72 ± 5

75 ± 6

NN

78 ± 9

56 ± 5*

58 ± 6*

62 ± 4*

58 ± 4*

55 ± 3*

57 ± 4*

HR

(beats/min)

ND

79 ± 9

75 ± 4

80 ± 8

76 ± 9

75 ± 9

79 ± 5

75 ± 9

NN

80 ± 8

62 ± 3*

66 ± 5*

59 ± 8*

57 ± 5*

60 ± 3*

62 ± 6*

  1. Notes: Data are presented as mean ± standard deviation. *p < 0.05, vs ND
  2. Abbreviations:ND Narcotrend monitor during the day (8:00–18:00), NN Narcotrend monitor during the night (22:00–5:00). T1 (5 min before induction), T2 (beginning of mechanical ventilation), T3 (mechanical ventilation for 5 min), T4 (beginning of operation), T5 (operation for 10 min), T6 (operation for 30 min), T7 (end of operation)