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KMID : 0988920080060010056
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Intestinal Research
2008 Volume.6 No. 1 p.56 ~ p.69
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Response to Biofeedback Therapy for Patients with Rectal Hyposensitivity
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Jung Kee-Wook
Myung Seung-Jae
Byeon Jeong-Sik
Yoon In-Ja
Ko Jung-Eun
Yoon Soon-Man
Do Mi-Young
Kim Do-Hoon
Kim Benjamin
Kwon Seung-Hyun
Ye Byong-Duk
Jung Hwoon-Yong
Yang Seung-Kyun
Kim Jin-Ho
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Abstract
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Background:Rectal hyposensitivity (RH) has been treated with conventional biofeedback therapy (BFT), whereas the effectiveness and long term results of this therapy are not known. We aimed to investigate the effectiveness of BFT for patients with RH by conducting a retrospective review of prospectively collected data.
Method:From June 2004 to March 2007, we enrolled those RH patients who underwent BFT. BFT was performed two or three times every week. Six months after BFT, the clinical response was evaluated by subjective and objective parameters.
Results: A total of 82 RH patients underwent BFT. Fifty three patients finished BFT and the other 29 patients dropped out during BFT. Thirty six patients (67.9%) showed responsiveness (R) to BFT and 17 (31.5%) showed non-responsiveness (NR). The characteristics between the two groups showed no difference, except for the "desire to defecate" volume (116.1±25.2 in the R group vs. 140.0±43.9 in the NR group, p value ＜0.05) and the rectoanal inhibitory reflex (RAIR) (15.6±0.5 in the R group R vs. 27.6±18.2 in the NR group, p value ＜0.05). The R group showed a shorter colon transit time compared to NR group. At six months after BFT, a total of 20 patients were interviewed; 15 patients answered that they still had responsiveness (75%).
Conclusions:The patients with RH showed a similar BFT response to that of the constipated patients. However, the patients with a more hyposensitive rectum and a longer colonic transit showed NR to BFT, suggesting RH is an important factor in BFT responsiveness.
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KEYWORD
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Rectal Hyposensitivity, Biofeedback, Anorectal Manometry
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