Volume 6, Issue 1 (Spring 2003)
J Arak Uni Med Sci 2003, 6(1): 20-24 |
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Chehreie S, Jamshidi-Fard A R, Haeri Rouhani A. Sympathetic Skin Response in Reflex Sympathetic Dystrophy and Normal Subjects. J Arak Uni Med Sci 2003; 6 (1) :20-24
URL: http://jams.arakmu.ac.ir/article-1-6742-en.html
URL: http://jams.arakmu.ac.ir/article-1-6742-en.html
Abstract: (1203 Views)
Introduction: Sympathetic skin response (SSR) is a central, polysynaptic process which is attributed to sympathetic sudomotor activity. The descinding pathway presents spinal sympathetic system to sweat glands of hands and feets skin. The glands which are affected in reflex sympathetic dystrophy (RSD).
Materials and Methods: In present study, SSRs were recorded from left hands of 62 adult healthy subjects and 12 affected hands of RSD patients in relaxed, supine position at room temperature. Recording were performed by a pair of silver cup electrodes (1cm2) after stimulation of contralateral median nerve at volar aspect of wrist, all connected to a polygraph (physiograph, Narco, USA) to record at least five stimulation recording prosedure in each subject.
Results: Comparison of mean latency, amplitude, duraion and shape of responses in RSD 'patients with normal control group showed significant differences between duration and amplitudes (P=0.0007 and P=0.0001) while the latencies were not different and the shape of responses were mostly biphasic in both RSD and normal group.
Conclusion: Hyperactivities of SSRs in RSD patients are due to sudomotor changes of skin resistance, the SSR may also play a role in the quantitive evaluation of patients with suspected RSD.
Materials and Methods: In present study, SSRs were recorded from left hands of 62 adult healthy subjects and 12 affected hands of RSD patients in relaxed, supine position at room temperature. Recording were performed by a pair of silver cup electrodes (1cm2) after stimulation of contralateral median nerve at volar aspect of wrist, all connected to a polygraph (physiograph, Narco, USA) to record at least five stimulation recording prosedure in each subject.
Results: Comparison of mean latency, amplitude, duraion and shape of responses in RSD 'patients with normal control group showed significant differences between duration and amplitudes (P=0.0007 and P=0.0001) while the latencies were not different and the shape of responses were mostly biphasic in both RSD and normal group.
Conclusion: Hyperactivities of SSRs in RSD patients are due to sudomotor changes of skin resistance, the SSR may also play a role in the quantitive evaluation of patients with suspected RSD.
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