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Table 4 PLRV of two groups at T1 ~ 8

From: The value of pupillary diameter in evaluating pain perception after awakening in patients undergoing general anesthesia during orthopedic surgery

  

T1

T2

T3

T4

T5

T6

T7

T8

PLRV

(mm/s)

Painless group

1.37 ± 0.66

0.54 ± 0.27

0.58 ± 0.31

0.60 ± 0.30

0.59 ± 0.23

0.58 ± 0.29

0.88 ± 0.59

1.10 ± 0.48

Pain group

1.51 ± 0.71

0.61 ± 0.22

0.63 ± 0.23

0.64 ± 0.31

0.62 ± 0.18

0.65 ± 0.31

0.92 ± 0.65

1.06 ± 0.56

 

P

0.183

0.083

0.280

0.298

0.310

0.197

0.672

0.586

  1. PLRV: Pupillary light reflex velocity. T1: when patients entered the operating room, T2: before incision, T3: 10 s after incision, T4: 30 s after incision, T5: 1 h after incision, T6: at the end of surgery, T7: shortly after extubation, T8: when patients expressed pain clearly
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BMC Anesthesiology

ISSN: 1471-2253

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