SLOW TRANSIT CONSTIPATION - 03/09/11
Résumé |
Preston and Lennard-Jones62 introduced the term idiopathic slow transit constipation to describe a clinical syndrome characterized by intractable constipation poorly responsive to fiber and laxatives. Other gastrointestinal manifestations include abdominal pain, bloating, malaise, nausea, anorectal symptoms suggestive of difficult fecal expulsion, and delayed colonic transit without megacolon. Extragastrointestinal symptoms in this syndrome included painful or irregular menses, hesitancy in initiating micturition, and somatic symptoms such as cold hands or blackout. Lane43 advocated colonic resection for treating a similar symptom complex in the early 1900s. With the widespread availability of tests to measure colonic transit and pelvic floor function, concepts of slow transit constipation evolved. Patients with chronic constipation are categorized as follows: normal transit or irritable bowel syndrome, pelvic floor dysfunction, and slow transit constipation.11, 56Although colonic transit often is delayed in patients with pelvic floor dysfunction or obstructed defecation,57, 65the term slow transit constipation in the scientific literature generally refers to patients who primarily complain of constipation and have delayed colonic transit but no underlying systemic disorder or pelvic floor dysfunction that explains these symptoms (Box 1). The implication is that slow transit constipation represents a disorder of colonic motor function.
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| Address reprint requests to Adil E. Bharucha, MD Gastroenterology Research Unit Mayo Clinic Rochester, MN 55905 |
Vol 30 - N° 1
P. 77-96 - mars 2001 Retour au numéroBienvenue sur EM-consulte, la référence des professionnels de santé.
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