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大便失禁(FI)的定义:患者无力随意控制大便或气体从肛门排出。部分失禁为大便污染内裤或不能控制气体或水样便。严重失禁为经常有正常大便漏出。有人统计老年人大便失禁的发生率可高达30％,健康青年人中5.4％偶而发生。大便失禁的诊断新的诊断法新的诊断法是在更好地了解排便自控的生理和障碍后开展的,开展肛直肠功能的这些研究常有助于识别原发病及制定具体疗法。肛管直肠测压(anorectal manometry)测量肛管内压可评价肛门括约肌的功能。测压检查包括主要由肛内括约肌控制的肛门静止压、肛外括约肌随意收缩时的最大压力和直肠舒张后肛内括约肌的反射性松弛。用不同容量充盈直肠气囊以记录直肠内压,这可估计直肠壁的弹性(直肠顺应性),也可检测舒张刺激的
Definition of fecal incontinence (FI): Inability of the patient to control stool or gas discharge from the anus. Part of incontinence contaminated panties for stool or uncontrollable gas or watery stools. Severe incontinence is often normal stool leakage. Some people account for the incidence of fecal incontinence in the elderly up to 30%, 5.4% of healthy young people occasionally. Diagnosis of fecal incontinence New diagnostic methods The new diagnostic method is carried out after a better understanding of defecation-controlled physiology and disorders. These researches on the function of anorectal are often helpful in identifying the primary disease and developing specific therapies. Analorectal manometry Anorectal manometry measures anal anal sphincter function. Manometry includes anal resting pressure controlled mainly by the anal sphincter, maximum pressure at which the anal sphincter is free to contract, and reflexive relaxation of the anal sphincter after rectal diastole. Replenishing the rectal balloon with different volumes to record the rectal pressure, which can estimate the rectal wall elasticity (rectal compliance), can also detect diastolic stimulation