Antegrade enemas for the treatment of severe idiopathic constipation

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Abstract
The technique of appendicocaecostomy produces a continent catheterizable channel through which colonic washouts are given. This procedure was performed on six women of mean age 33·5 years with severe idiopathic constipation (mean stool frequency less than 1 per week) resistant to medical therapy. All patients had prolonged colonic transit times, three had evidence of obstructed defaecation and all had reduced or absent voluntary anal squeeze pressure. Patients found the appendicocaecostomy and catheterization acceptable, and symptoms of abdominal distension and pain resolved. All patients were able to initiate defaecation and evacuate the colon within 1h of irrigation, and no patient had appreciable incontinence. Irrigation was necessary every 48–72h. Adults with intractable constipation and pelvic floor weakness would be at risk of faecal incontinence after ileorectal anastomosis; it is in these patients that appendicocaecostomy has potential for the greatest benefit.