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KMID : 0616620090150010107
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Journal of Soonchunhyang Medical College
2009 Volume.15 No. 1 p.107 ~ p.116
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The Study on the Pathophysiologic Mechanism of Sacral Nerve Extracorporeal Magnetic Stimulation in Patients with Fecal Incontinence
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Kang Eun-Jung
Lee Joon-Seong
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Abstract
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Sacral nerve electric-stimulation is a new therapeutic approach for patients with fecal incontinence, Recent development ot extracorporeal magnetic stimulation(ECMS) reveals promising results in the treatment of fecal incontinence without the use of invasive electrode placement. We aim to evaluate anorectal physiologic effects of ECMS of the sacral nerve in patients with fecal incontinence. From 2006 to 2008, anorectal manometry and barostat test were performed before and after magnetic stimulation of the sacral nerve in 12 patients who are suffering from fecal incontinence or showed leakage of contrast on defecogram. EMCS of the sacral nerve was performed, Maximal tolerable volume after 8 sessions of ECMS was significantly decreased (196.6 + 80.6 ml to 152 + 67.6 ml, p(0.009). Sensitivity index after 1 session of ECMS tended
to decrease compared with the basal leveI(39.5 k 15,2%, and 22.5 k 16,7%, p=0.057). In conclusion, the therapeutic mechanism of ECMS of the sacral nerve in patients with fecal incontinence may be related to the decrease of the maximal tolerable volume due to changes in rectal sensitivity.
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KEYWORD
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Extracorporeal magnetic stimulation, Fecal Incontinence
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