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Inflammatory Bowel Disease I: Ulcerative Colitis01:27

Inflammatory Bowel Disease I: Ulcerative Colitis

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Inflammatory bowel disease, or IBD, encompasses a group of disorders characterized by chronic inflammation or ulceration of the gastrointestinal tract.
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The exact cause of IBD remains unclear, although it is believed to be due to a mix of genetic, environmental, microbial, and immune factors. Genetic factors are significant in determining susceptibility to IBD, with family history being a critical risk factor. Individuals with a first-degree relative who has IBD are at...
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Inflammatory Bowel Disease II: Ulcerative Colitis

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 BarrierA...
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Inflammatory bowel disease is a group of chronic disorders marked by recurrent inflammation of the gastrointestinal tract due to an abnormal immune response against gut microflora. This leads to tissue damage. The two main forms are Crohn’s disease and ulcerative colitis.Crohn’s DiseaseCrohn’s disease is a relapsing inflammatory disorder that can affect any part of the GI tract, from the mouth to the anus. It involves all layers of the bowel wall (transmural) and shows “skip lesions” in which...
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Multimodality Diagnosis of Mesenteric Ischemia
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[Ischemic colitis without atherosclerosis?].

J C Bous1, A Tannapfel, B F Henning

  • 1Marienhospital Herne, Klinikum der Ruhr-Universität Bochum, Medizinische Klinik I, Bochum.

Deutsche Medizinische Wochenschrift (1946)
|March 23, 2007
PubMed
Summary

Necrotizing colitis, an adverse drug effect, can mimic ischemic colitis. Discontinuing perazine, an antipsychotic, resolved symptoms, confirming drug-induced necrotizing colitis over ischemic colitis.

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Area of Science:

  • Gastroenterology
  • Pharmacology
  • Internal Medicine

Background:

  • A 69-year-old woman with bipolar affective psychosis presented with abdominal pain, emesis, and bloody stool.
  • Initial assessment suggested ischemic colitis based on symptoms and endoscopic findings.

Observation:

  • Blood tests revealed elevated inflammation markers, and ultrasound showed a swollen intestinal wall.
  • Colonoscopy confirmed findings suggestive of ischemic colitis, initially supported by histology.
  • Normal angiography and duplex ultrasound results prompted re-evaluation.

Findings:

  • Symptoms persisted despite standard treatment for ischemic colitis.
  • Discontinuation of antipsychotic medications, particularly perazine, led to symptom resolution and normalization of laboratory and endoscopic findings.
  • A second biopsy confirmed necrotizing colitis as an adverse effect of perazine.

Implications:

  • Drug-induced necrotizing colitis can clinically and endoscopically resemble ischemic colitis.
  • Considering adverse drug reactions is crucial, even with symptoms typical of other conditions.
  • This case highlights the importance of medication review in diagnosing complex gastrointestinal presentations.