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Inflammatory Bowel Disease I: Ulcerative Colitis01:27

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Ulcerative colitis is a chronic inflammatory disorder of the colon characterized by continuous mucosal inflammation that typically begins in the rectum and extends proximally in a uniform pattern. Its pathogenesis involves a complex interplay of genetic predisposition, immune dysregulation, and environmental influences. These factors converge to impair the colon’s epithelial defenses and promote an exaggerated inflammatory response against luminal contents.Breakdown of the Mucosal...
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Duodenal UlcersDuodenal ulcers are the most common form of peptic ulcer disease, presenting with chronic, intermittent epigastric pain. Pain typically appears 2–3 hours after meals, especially when the stomach is empty, often waking patients at night. It is characteristically relieved by food or antacids (“pain–food–relief”). Some patients remain asymptomatic until complications like bleeding or perforation emerge, particularly with NSAID or anticoagulant...
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Inflammatory bowel disease (IBD) encompasses two major chronic disorders—ulcerative colitis and Crohn’s disease—each characterized by relapsing episodes of gastrointestinal inflammation. Although they share certain clinical features, their patterns of involvement and manifestations differ in ways that aid diagnosis and guide management.Ulcerative ColitisUlcerative colitis is limited to the colon and rectum and involves continuous inflammation of the mucosal layer. The...
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Ulcerative colitis is a chronic inflammatory condition primarily affecting the colon and rectum. The primary drugs used in the treatment of ulcerative colitis are aminosalicylates. They exhibit anti-inflammatory and immunosuppressive properties. They modulate inflammatory mediators and inhibit the activity of nuclear factor κB (NF-κB). Aminosalicylates also reduce inflammation by inhibiting prostaglandin and leukotriene production and decreasing neutrophil chemotaxis and superoxide...
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Peptic Ulcer Disease (PUD) is characterized by mucosal excavation in the esophagus, stomach, pylorus, or duodenum. It can manifest as acute or chronic based on the extent and duration of mucosal involvement.
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Sleep duration affects risk for ulcerative colitis: a prospective cohort study.

Ashwin N Ananthakrishnan1, Hamed Khalili1, Gauree G Konijeti1

  • 1Division of Gastroenterology, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts.

Clinical Gastroenterology and Hepatology : the Official Clinical Practice Journal of the American Gastroenterological Association
|May 1, 2014
PubMed
Summary

Short or long sleep durations increase ulcerative colitis (UC) risk. This study found that sleeping less than 6 hours or more than 9 hours per night is linked to a higher incidence of UC in women.

Keywords:
Circadian ClockEpidemiologyInflammationPopulationRisk Factor

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Area of Science:

  • Gastroenterology
  • Epidemiology
  • Sleep Medicine

Background:

  • Sleep deprivation is linked to inflammatory cytokine production.
  • Disturbed sleep quality is associated with increased disease flare risk in Crohn's disease (CD) and ulcerative colitis (UC) patients.
  • The relationship between sleep duration and the risk of developing CD or UC has not been previously investigated.

Purpose of the Study:

  • To examine the association between habitual sleep duration and the risk of incident CD and UC.
  • To investigate if sleep duration is a risk factor for developing these inflammatory bowel diseases.

Main Methods:

  • A prospective cohort study utilizing data from the Nurses' Health Study (NHS) I and NHS II.
  • Sleep duration was self-reported, and incident CD and UC cases were tracked over several years.
  • Cox proportional hazards models were employed to analyze the data, adjusting for potential confounders.

Main Results:

  • A total of 151,871 women were included, with 191 CD and 230 UC cases identified.
  • Women sleeping <6 hours or >9 hours per night had a significantly higher incidence of UC compared to those sleeping 7-8 hours.
  • Sleep duration was not associated with the risk of developing CD, nor was rotating night shift work.

Conclusions:

  • Both short sleep duration (<6 hours) and long sleep duration (>9 hours) are associated with an increased risk of developing UC.
  • Sleep may be a modifiable risk factor in the development and progression of inflammatory bowel disease (IBD).
  • Further research is warranted to explore the role of sleep in IBD pathogenesis.