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Journal of the Korean Academy of Rehabilitation Medicine 2002;26(2):223-227.
Sympathetic Vasomotor Response with Stress Digital Infrared Thermal Imaging in Normal Healthy Subjects.
Park, Eun Sook , Park, Chang Il , Kim, Eun Joo , Cho, Sung Rae , Ahn, So Young
Department and Research Institute of Rehabilitation Medicine, Yonsei University College of Medicine, Korea. silver200@orgio.net
스트레스 적외선 체열 촬영을 통한 정상인의 교감신경계 혈관운동성 반응
박은숙, 박창일, 김은주, 조성래, 안소영
연세대학교 의과대학 재활의학교실 및 재활의학연구소
Abstract

Objective
To investigate sympathetic vasomotor response of the hands to cold and warm stress on the foot with Digital Infrared Thermal Imaging (DITI) in normal healthy subjects.


Method
Fifteen healthy subjects were participated in this study. The DITI was taken during immersing right foot in cold and warm water bath. The thermal images of the dorsal hands were captured at the starting point and then every 5-minute up to 30 minutes. The ratio of temperature between the ending point (30T) and the starting point (0T) was calculated.


Results
In cold stress test, the mean 30T/0T ratio were 92.8⁑2.4% and 92.2⁑2.7% in the right and left hands, respectively. There were no statistically significant side to

side differences. The temperature of the each hand was significantly lowered at every 5 minutes interval (p<0.05). In warm stress test, the mean 30T/0T ratio were 104.5⁑1.8% and 104.4⁑2.0% in the right and left hands, respectively. The temperature of each hand was significantly increased at the first 5 minutes (p<0.05), and tended to increase until 10 minutes. After then, the temperature was not significantly changed until 30 miniutes.


Conclusion
We could identify the normal sympathetic vasomotor response to the cold and warm stress with DITI. It might be served as an useful baseline data for the identification of sympathetic dysfunction. (J Korean Acad Rehab Med 2002; 26: 223-227)

Key Words: Digital infrared thermal imaging (DITI), Stress, Sympathetic, Vasomotor response


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