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Journal of Chinese Integrative Medicine ›› 2011, Vol. 9 ›› Issue (11): 1221-1225.doi: 10.3736/jcim20111110

• Original Clinical Research • Previous Articles     Next Articles

Analysis of facial far-infrared thermogram of patients with acute facial neuritis

Zhang-ling Zhou1(), Yue-bo Jiang1, Gao-bo Li2, Yu-hong Gao3   

  1. 1. Department of Acupuncture and Moxibustion, Chinese PLA General Hospital, Beijing 100853, China
    2. Department of Acupuncture and Moxibustion, Shanxi College of Traditional Chinese Medicine, Taiyuan 030000, Shanxi Province, China
    3. Laboratory of Cell Biology, Institute of Geriatric Medicine, Chinese PLA General Hospital, Beijing 100853, China
  • Received:2011-07-19 Accepted:2011-09-07 Online:2011-11-20 Published:2011-11-15

Objective: In order to provide an objective observational index for facial neuritis, the authors monitored the changes of facial far-infrared thermogram in patients with acute facial neuritis.
Methods: A total of 23 patients with acute facial neuritis were enrolled from Department of Acupuncture and Moxibustion, Chinese PLA General Hospital. Another 21 healthy participants were selected as the control group. Focal plane thermal imaging system (thermal sensitivity 0.05 ℃) was applied to collect facial far-infrared thermogram. Temperature differences in the thermogram of both sides of the cheeks, inner canthus, supraorbitals and forehead of the same patient were compared separately and statistically and analyzed by software provided by the imaging system.
Results: Results of far-infrared thermography of the patients displayed obvious temperature differences ranging from 0.01 to 0.26 ℃ between two sides of the cheeks, inner canthus, supraorbitals and forehead areas. In the control group, far-infrared thermogram showed that there were no obvious temperature differences between two sides of the cheeks, inner canthus, supraorbitals and forehead. There were significant differences in temperature difference in the four monitoring areas between the two groups (P<0.01). Among the 23 patients, there were 14 patients with congestive change, 7 with ischemic change and 2 with both congestive and ischemic changes.
Conclusion: The facial far-infrared thermogram of patients with acute facial neuritis is characterized mainly by congestive changes. Far-infrared thermography can objectively reflect the changes of blood-supply status in patients with facial neuritis.

Key words: peripheral facial neuritis, facial paralysis, far-infrared thermography, head and facial region

Table 1

Temperature differences in four areas of the two groups (Median (Q1, Q3), ℃)"

Group n Difference in temperature
Cheek Inner canthius Supraorbital area Forehead

Normal

21

0.080 (0.100, 0.120)

0.040 (0.100, 0.150)

0.060 (0.090, 0.160)

0.050 (0.090, 0.110)

Control

23

0.280 (0.500, 0.700)

0.265 (0.400, 0.600)

0.200 (0.300, 0.65)0

0.200 (0.300, 0.700)

u value

5.1221

5.169

5.064

5.017

P value

0.00

0.001

0.001

0.001

Table 2

Congestive and ischemic changes in four areas of patients with facial neuritis (n, %)"

Change Distribution
Cheek Inner canthus
Supraorbital area
Forehead

Congestive change

19 (20.7%)

16 (17.4%)

19 (20.7%)

18 (19.6%)

Ischemic change

4 (4.3%)

7 (7.6%)

4 (4.3%)

5 (5.4%)
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