복합부위통증증후군 1형 환자에서 한냉부하 적외선체열촬영의 유용성 평가

Effectiveness of Cold Stress Thermography in the Diagnosis of Complex Regional Pain Syndrome Type 1

  • 박은정 (아주대학교 의과대학 마취통증의학교실 신경통증클리닉) ;
  • 한경림 (아주대학교 의과대학 마취통증의학교실 신경통증클리닉) ;
  • 채윤정 (아주대학교 의과대학 마취통증의학교실 신경통증클리닉) ;
  • 정원호 (아주대학교 의과대학 마취통증의학교실 신경통증클리닉) ;
  • 김찬 (아주대학교 의과대학 마취통증의학교실 신경통증클리닉)
  • Park, Eun Jung (Pain Clinic, Department of Anesthesiology and Pain Medicine, College of Medicine, Ajou University) ;
  • Han, Kyung Ream (Pain Clinic, Department of Anesthesiology and Pain Medicine, College of Medicine, Ajou University) ;
  • Chae, Yun Jeong (Pain Clinic, Department of Anesthesiology and Pain Medicine, College of Medicine, Ajou University) ;
  • Jeong, Won Ho (Pain Clinic, Department of Anesthesiology and Pain Medicine, College of Medicine, Ajou University) ;
  • Kim, Chan (Pain Clinic, Department of Anesthesiology and Pain Medicine, College of Medicine, Ajou University)
  • 투고 : 2006.10.11
  • 심사 : 2006.11.30
  • 발행 : 2006.12.30

초록

Background: Despite the enormous amount of basic research on neuropathic pain, there is the lack of an objective diagnostic test for complex regional pain syndrome (CRPS). The aim of this study was to evaluate the usefulness of cold stress thermography in the diagnosis of CRPS. Methods: The study involved 12 patients with CRPS type 1, according to the IASP criteria, who were compared with 15 normal healthy volunteers. All subjects underwent thermographic examination under baseline conditions at $21^{\circ}C$. A cold stress test (CST; $10^{\circ}C$ water for 1 minute) was then applied to both hands below the wrists, immediate, and after 10 and 20 minutes. Results: The temperature asymmetry between the patients with CRPS and the volunteers showed significant discrimination at the baseline and after a 20 minute recovery period from the CST. Among the study subjects having temperature asymmetry of both hands of less than $1^{\circ}C$ (8 out of 12 CRPS patients and 14 out of 15 volunteer), 7 (87.5%) of the 8 CRPS patients and 3 (21%) of the 14 volunteers showed a temperature difference of more than $1^{\circ}C$ after the 20 minute recovery period. The actual temperature values during the four periods did not discriminate between the patients with CRPS and the volunteers. Conclusions: Thermography, under the CST, could be a more objective test for the diagnosis of CRPS. A temperature asymmetry greater than $1^{\circ}C$ during the 20 minute recovery period following CST provides strong diagnostic information about CRPS, with both high sensitivity and specificity.

키워드

참고문헌

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