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KMID : 0356719990150040281
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Journal of the Korean Society of Coloproctology
1999 Volume.15 No. 4 p.281 ~ p.290
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Development of Second Stage Software in the Anal Sphincter Control System Based on the Anal Electromyography, and Investigation of Therapeutic Outcome of the Patients with Chronic Constipation and Fecal Incontinence
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Park Ung-Chae
Seong Moo-Kyung
Chung Soon-Sup
Kim Jong-Jun
Lee Jong-Kuk
Park Sung-Hun
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Abstract
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To eliminate the inconvenient shortcomings of our formerly designed system for the biofeedback treatment, the development of second stage software was indispensable.
Purpose: The aims of current study were to supplement the prototype software, and to improve the application software for the database management system. Moreover, we assessed the practical value and outcome of biofeedback therapy for the patients with functional evacu ation disorders by using the upgraded system.
Methods: A new system was worked out a design to be composed of Windows based GUI (graphical user interface), DB (database) management software, and networking system. Main software performs a signal processing and a protocol making mode to train pelvic sphincter. DB program administers patient profiles and the recorded signal data. Networking system was designed to execute RS-232C serial communication of signal data with use of fast ethernet LAN networking. To affirm the reproducibility of signal display for the clinical practice, system was applied to 5 healthy volunteers. To evaluate the practical appraisal, system was applied to 27 patients with functional evacuation disorders who were undertaken anorectal physiologic tests. Patient groups were categorized as nonrelaxing puborectalis group (group I, n=17), incontinence group (group II, n=10). Overall patients were underwent a mean 3.7 (range, 2∼10) sessions of biofeedback treatment, and the outcome was analysed in the period of 5.8 (range, 3∼12) months follow-up.
Results: Signal data not having drift or noise were adequately processed and displayed in a real time. Specifically, data upload with use of multi-processing overay display function was appropriately embodied. Overall data and profiles of patients groups were safely saved, sorted, and reproduced by using the upgrading database management software. Regarding to the therapeutic outcomes, 63 percent of 27 overall patients (12 of 17 patients in group I, 5 of 10 patients in group II) were improved. The subjective symptoms of 2 patients in group I were recurred in a period of 3 months follow- up.
Conclusion: Hardware and software functions of upgraded system were applicable to the Windows environment of personal computer. A developed system with second stage software made it possible to perform biofeedback treatment. Specifically, current results could be useful for the improvement of the motivation and patient’s willingness in the self-learning process of biofeedback treatment.
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KEYWORD
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Biofeedback treatment, Constipation, Incontinence, Functional evacuation disorder
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