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직장항문 억제반사의 임상적 활용에 있어서 척도별 유용성

Efficacy of Each Parameter in Clinical Application of Rectoanal Inhibitory Reflex

대한대장항문학회지 2005년 21권 1호 p.1 ~ 5
성무경 ( Seong Moo-Kyung ) - 건국대학교 의과대학 외과학교실

유영범 ( Yoo Young-Bum ) - 건국대학교 의과대학 외과학교실
박병기 ( Park Byung-Ki ) - 건국대학교 의과대학 외과학교실


Purpose: Recently, analytical studies of the various parameters of rectoanal inhibitory reflex were reported and revealed that many of the parameters showed significant differences according to the anal continence function. The standardization of these studies is, however, not yet sufficient enough to apply to use those parameters in reflex test for clinical practice. The aim of this study was to check how the parameters react differently to various degrees of rectal distention and to determine the efficacy of each parameter in clinical applications of rectoanal inhibitory reflex.

Methods: Thirty-two subjects underwent repeated manometries for rectoanal inhibitory reflex with different volumes (40, 60, 80 cc) of rectal ballooning. Latencies, amplitudes, slopes, durations, and areas under the reflex curves of the reflexes were measured, and the differences among them according to the ballooning volume in each subject were analyzed statistically.

Results: The area under reflex curve, the amplitude, the duration, and the slope did not differ statistically with the ballooning volume (P values were 0.3959, 0.2142, 0.2080, 0.1453, respectively, by repeated measures two way ANOVA). However, the latencies did differ significantly (P=0.0131).

Conclusions: Most of the parameters except latency were stable against different volumes of rectal ballooning. Among the stable parameters, the area under the reflex curve seemed to be the most useful in clinical applications of rectoanal inhibitory reflex.


직장항문 억제반사; 억제영역면적
Rectoanal inhibitory reflex; Area under reflex curve
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