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NEUROLOGY 1983;33:1483
© 1983 American Academy of Neurology

Skin conductance, temperature, and blood flow in causalgia

Albert J. Tahmoush, MD, James Malley, PhD and J. Richard Jennings, PhD

Division of Neuropsychiatry (Drs. Jennings and Tahmoush), Walter Reed Army Institute of Research, Washington, DC, and Division of Computer Research and Technology (Dr. Malley), National Institutes of Health, Bethesda, MD.

To test the hypothesis that causalgia is a reflex sympathetic dystrophy with focal sympathetic hyperactivity in the painful area, we studied skin conductance, temperature, and a radiometric index of blood flow in 10 patients and 10 controls. Skin conductance was significantly higher, and both skin temperature and blood flow index were significantly lower in the patient extremities. When the affected and homologous, non-affected extremity values were compared, asymmetries were more common and of larger magnitude in the patient group. There was no consistent pattern of asymmetry. These results do not support the hypothesis that causalgia is a reflex sympathetic dystrophy.

Address correspondence and reprint requests to Dr. Tahmoush, Department of Neurology, Hahnemann University, Broad and Vine, Philadelphia, PA 19102.

Accepted for publication March 7, 1983.




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 Arch SurgHome page
S. A. Hassantash, M. Afrakhteh, and R. V. Maier
Causalgia: A Meta-analysis of the Literature
Arch Surg, November 1, 2003; 138(11): 1226 - 1231.
[Abstract] [Full Text] [PDF]


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