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Table 1 Mechanical and thermal orofacial pain sensitivity tested by air puff test and acetone drop on trigeminal neuralgia and sham rat models

From: Activation of CamKIIα expressing neurons on ventrolateral periaqueductal gray improves behavioral hypersensitivity and thalamic discharge in a trigeminal neuralgia rat model

 

Air puff Threshold (psi)

Animal groups

Baseline

Day 3

Day 7

Day 15

Day 21

TN ipsilateral

18.50 ± 2.23

10.21 ± 1.50****

9.20 ± 1.43****

8.50 ± 1.34****

7.20 ± 1.26****

TN contralateral

18.35 ± 2.89

19 ± 0.25

18.45 ± 2.10

19.01 ± 1.88

18.23 ± 1.67

Sham ipsilateral

19.36 ± 2.35

18.57 ± 3.19

17.81 ± 1.75

20.12 ± 1.74

19.42 ± 2.90

Sham contralateral

19.12 ± 0.35

17.29 ± 2.25

19.29 ± 1.75

19.59 ± 1.77

17.25 ± 3.72

 

Cold hyperalgesia (No. of responses)

 

Baseline

Day 3

Day 7

Day 15

Day 21

TN

7.76 ± 4.38

15.98 ± 3.28****

18 ± 4.45****

25.98 ± 3.17****

24.68 ± 2.80****

sham

9 ± 2.34

10.12 ± 1.75

10.31 ± 1.93

9.14 ± 1.25

9.33 ± 1.01

  1. TN Trigeminal neuralgia model (n = 40), sham sham lesioned (n = 20), psi pound per square inch. Values are represented as mean ± SD
  2. Significance ****p < 0.0001 compared to sham and contralateral groups (Two-way ANOVA)