| Response to Biofeedback Therapy for Patients with Rectal Hyposensitivity |
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Kee Wook Jung, Seung-Jae Myung, Jeong-Sik Byeon, In Ja Yoon, Jung Eun Ko, So Young Seo, Soon Man Yoon, Mi Young Do, Do Hoon Kim, Benjamin Kim, Seunghyun Kwon, Byong Duk Ye, Hwoon-Yong Jung, Suk-Kyun Yang, Jin-Ho Kim |
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Asan Digestive Disease Research Institute, Department of Internal Medicine, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea
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| 직장감각저하 환자에서 바이오피드백 치료에 대한 장기간 효과 및 인자 분석 |
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정기욱, 명승재, 변정식, 윤인자, 고정은, 서소영, 윤순만, 도미영, 김도훈, 김병규, 권승현, 예병덕, 정훈용, 양석균, 김진호 |
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울산대학교 의과대학 서울아산병원 내과학교실, 소화기병연구소 |
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| Abstract |
Background/Aims
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. Methods: 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. (Intest Res 2008;6:56-69) |
| Key Words:
Rectal Hyposensitivity, Biofeedback, Anorectal Manometry |
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