INTERACTIONS TRACTUS DIGESTIF-CERVEAU DANS LA MALADIE INFLAMMATOIRE DE L'INTESTIN: POINT DE VUE D'UN CLINICIEN

Research output: Contribution to journalArticle

Abstract

While most physicians and some patients consider psychosocial factors important in aggravating already existing inflammatory bowel disease (IBD), most of the information is based on a few recent scientific studies, varied anecdotal observations and a tendency for patients and some physicians to view psychosocial and stress-related issues with speculation, bias and some stigmatization. Patients with proctitis who have experienced recrudescence of mucosal friability and rectal bleeding within a day of a severe life stress provide a dramatic example of such anecdotes. Time-lag studies have indicated that stress, especially major life events, precedes illness aggravation in patients with IBD but that stress is not disease-specific. The symptoms studied, pain and diarrhea, were more likely to be physiological responses to acute stress rather than reflections of increased disease activity. Current scientific research supposes the prospect that environmental factors influence disease susceptibility through the central nervous system. Stress is associated with alterations in both humoral and cellular immune mechanisms in humans and in experimental animals. While psychosocial factors may not initiate inflammation in IBD, it is possible that they lead to alterations in the immune response and thereby alter disease activity. Mind-gut interactions affect salivation, gastric secretion, gastric motility and colonic motility, as well as numerous other gastrointestinal functions. These 'physiological' responses are expected in the IBD patient and perhaps will be accentuated by inflammation and its multiple effects on gut function. Because 10 to 13% of the general population have a tendency to suffer from irritable bowel syndrome (IBS), it is expected that the same percentage of IBD patients will have both IBD and IBS. An example of clinically relevant alterations in pathophysiology is the association of acute proctosigmoiditis with an increase in IBS symptoms in the left colon. Pain and diarrhea based on distension of an irritable left colon after ileocolonic resection result from excessive distension of the left colon by the larger stool volume following loss of absorptive surface of the ileum and right colon. Patients with IBS are also more symptomatic with small amounts of unabsorbed carbohydrates, such as fructose, sorbital and lactose. Patients with severe IBS have an irritable small bowel, especially when it is formed into a closed reservoir, such as an ileoanal pouch; these patients have at least eight to 10 bowel movements per day because of the spasticity and small capacity of the ileoanal pouch. The stomach to pouch transit time may also be quite rapid. Explaining the coexistence of IBD and IBS to the patients is often quite helpful to the patient and to the doctor. One hopes that the scientific explanations of these mind-gut interactions are forthcoming.

Original languageEnglish (US)
Pages (from-to)273-276
Number of pages4
JournalCanadian Journal of Gastroenterology
Volume9
Issue number5
StatePublished - 1995

Fingerprint

United Nations
Irritable Bowel Syndrome
Inflammatory Bowel Diseases
Colonic Pouches
Stomach
Colon
Diarrhea
Proctocolitis
Anecdotes
Psychology
Proctitis
Inflammation
Physicians
Salivation
Pain
Stereotyping
Disease Susceptibility
Lactose
Fructose
Ileum

Keywords

  • Brain-gut interaction
  • Inflammatory bowel disease
  • Irritable bowel syndrome
  • Psychological factors
  • Stress

ASJC Scopus subject areas

  • Gastroenterology

Cite this

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title = "INTERACTIONS TRACTUS DIGESTIF-CERVEAU DANS LA MALADIE INFLAMMATOIRE DE L'INTESTIN: POINT DE VUE D'UN CLINICIEN",
abstract = "While most physicians and some patients consider psychosocial factors important in aggravating already existing inflammatory bowel disease (IBD), most of the information is based on a few recent scientific studies, varied anecdotal observations and a tendency for patients and some physicians to view psychosocial and stress-related issues with speculation, bias and some stigmatization. Patients with proctitis who have experienced recrudescence of mucosal friability and rectal bleeding within a day of a severe life stress provide a dramatic example of such anecdotes. Time-lag studies have indicated that stress, especially major life events, precedes illness aggravation in patients with IBD but that stress is not disease-specific. The symptoms studied, pain and diarrhea, were more likely to be physiological responses to acute stress rather than reflections of increased disease activity. Current scientific research supposes the prospect that environmental factors influence disease susceptibility through the central nervous system. Stress is associated with alterations in both humoral and cellular immune mechanisms in humans and in experimental animals. While psychosocial factors may not initiate inflammation in IBD, it is possible that they lead to alterations in the immune response and thereby alter disease activity. Mind-gut interactions affect salivation, gastric secretion, gastric motility and colonic motility, as well as numerous other gastrointestinal functions. These 'physiological' responses are expected in the IBD patient and perhaps will be accentuated by inflammation and its multiple effects on gut function. Because 10 to 13{\%} of the general population have a tendency to suffer from irritable bowel syndrome (IBS), it is expected that the same percentage of IBD patients will have both IBD and IBS. An example of clinically relevant alterations in pathophysiology is the association of acute proctosigmoiditis with an increase in IBS symptoms in the left colon. Pain and diarrhea based on distension of an irritable left colon after ileocolonic resection result from excessive distension of the left colon by the larger stool volume following loss of absorptive surface of the ileum and right colon. Patients with IBS are also more symptomatic with small amounts of unabsorbed carbohydrates, such as fructose, sorbital and lactose. Patients with severe IBS have an irritable small bowel, especially when it is formed into a closed reservoir, such as an ileoanal pouch; these patients have at least eight to 10 bowel movements per day because of the spasticity and small capacity of the ileoanal pouch. The stomach to pouch transit time may also be quite rapid. Explaining the coexistence of IBD and IBS to the patients is often quite helpful to the patient and to the doctor. One hopes that the scientific explanations of these mind-gut interactions are forthcoming.",
keywords = "Brain-gut interaction, Inflammatory bowel disease, Irritable bowel syndrome, Psychological factors, Stress",
author = "Bayless, {Theodore M}",
year = "1995",
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N2 - While most physicians and some patients consider psychosocial factors important in aggravating already existing inflammatory bowel disease (IBD), most of the information is based on a few recent scientific studies, varied anecdotal observations and a tendency for patients and some physicians to view psychosocial and stress-related issues with speculation, bias and some stigmatization. Patients with proctitis who have experienced recrudescence of mucosal friability and rectal bleeding within a day of a severe life stress provide a dramatic example of such anecdotes. Time-lag studies have indicated that stress, especially major life events, precedes illness aggravation in patients with IBD but that stress is not disease-specific. The symptoms studied, pain and diarrhea, were more likely to be physiological responses to acute stress rather than reflections of increased disease activity. Current scientific research supposes the prospect that environmental factors influence disease susceptibility through the central nervous system. Stress is associated with alterations in both humoral and cellular immune mechanisms in humans and in experimental animals. While psychosocial factors may not initiate inflammation in IBD, it is possible that they lead to alterations in the immune response and thereby alter disease activity. Mind-gut interactions affect salivation, gastric secretion, gastric motility and colonic motility, as well as numerous other gastrointestinal functions. These 'physiological' responses are expected in the IBD patient and perhaps will be accentuated by inflammation and its multiple effects on gut function. Because 10 to 13% of the general population have a tendency to suffer from irritable bowel syndrome (IBS), it is expected that the same percentage of IBD patients will have both IBD and IBS. An example of clinically relevant alterations in pathophysiology is the association of acute proctosigmoiditis with an increase in IBS symptoms in the left colon. Pain and diarrhea based on distension of an irritable left colon after ileocolonic resection result from excessive distension of the left colon by the larger stool volume following loss of absorptive surface of the ileum and right colon. Patients with IBS are also more symptomatic with small amounts of unabsorbed carbohydrates, such as fructose, sorbital and lactose. Patients with severe IBS have an irritable small bowel, especially when it is formed into a closed reservoir, such as an ileoanal pouch; these patients have at least eight to 10 bowel movements per day because of the spasticity and small capacity of the ileoanal pouch. The stomach to pouch transit time may also be quite rapid. Explaining the coexistence of IBD and IBS to the patients is often quite helpful to the patient and to the doctor. One hopes that the scientific explanations of these mind-gut interactions are forthcoming.

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