Etiologic Factors of Chronic Constipation—Review of the Scientific Evidence
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- Leung, F.W. Dig Dis Sci (2007) 52: 313. doi:10.1007/s10620-006-9298-7
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Geriatric patient educational material and a general practice review suggest insufficient dietary fiber intake, inadequate fluid intake, decrease physical activity, side effects of drugs, hypothyroidism, sex harmones and colorectal cancer obstructin may play a role in the pathogenesis of constipation. A search of recent literature, however, reveals that there is a paucity of evidence-based publications that address the etiologic factors of chronic constipation. Much of current writings on the subject may be based primarily on myths handed down from one generation to the next. In the absence of well-designed studies, there do not appear to be sufficient evidence-based information to implicate the above as major etilogic factors in the development of chronic constipation. The etiological role of each of these factors in the development of chronic constipation deserves to be assessed by modern techniques and methodologies. Funding agencies including the government and industry sponsors should support the development of evidence-based data sets. The understanding of the etiology of chronic constipation is the foundation on which cost-effective management strategies are to be built.