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Inflammatory Bowel Disease I: Ulcerative Colitis01:27

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Introduction
Inflammatory bowel disease, or IBD, encompasses a group of disorders characterized by chronic inflammation or ulceration of the gastrointestinal tract.
Risk Factors
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: Crohn's Disease01:30

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Introduction
Inflammatory bowel disease, commonly known as IBD, refers to a collection of disorders that lead to persistent inflammation of the gastrointestinal tract. The two types of IBD are ulcerative colitis, which impacts the colon, and Crohn's disease, which can involve any part of the gastrointestinal segment.
Crohn's disease
Crohn's disease is a chronic, systemic inflammatory bowel disease (IBD) that predominantly affects the gastrointestinal tract. It is marked by...
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Factors Affecting the Risk of Infection01:26

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The hosts' susceptibility to infection depends on several factors. The integrity of the skin and mucous membranes helps protect the body against microbial attacks. When the skin is altered, the chance of infection, limb loss, and even death increases.
The integrity and count of the white blood cells help the body resist pathogens and fight infection. When impaired, it reduces the body's resistance to pathogens. The acidic pH levels of the gastrointestinal, genitourinary tracts, and skin...
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Various diagnostic tests are employed in the diagnostic process for Inflammatory Bowel Disease (IBD), particularly to differentiate between Crohn's disease and ulcerative colitis.
Diagnostic studies
A colonoscopy is the definitive screening test, distinguishing ulcerative colitis from other colon diseases with similar symptoms. During a colonoscopy test, inflamed mucosa with exudate ulcerations can be observed, and biopsies are taken to determine the histologic characteristics of the...
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Irritable Bowel Syndrome I: Introduction01:17

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Irritable Bowel Syndrome (IBS) is characterized by functional disturbances in the gastrointestinal system, presenting a cluster of symptoms without evident structural or biochemical abnormalities. It primarily affects the large intestine and may cause abdominal pain, bloating, excessive gas, diarrhea, constipation, or both.
IBS is a chronic condition that can persist over a long period or recur frequently.
The pathogenesis of IBS involves a complex interplay of the following factors:
Altered...
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Chronic Bowel Disorders: Introduction01:17

Chronic Bowel Disorders: Introduction

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Chronic bowel diseases are a group of long-term conditions affecting the digestive tract, characterized by inflammation and damage to the gut lining. These conditions primarily include irritable bowel syndrome and inflammatory bowel disease.
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Ischemic Colitis Is a Risk Factor for Clostridium difficile Infection.

Shrouq Khazaaleh1, Adalberto J Gonzalez2, Mohammad Alomari2

  • 1Internal Medicine, Cleveland Clinic Foundation, Cleveland, USA.

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|July 25, 2022
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Summary

Tissue ischemia, a condition not previously explored, is a significant risk factor for Clostridium difficile infection (CDI). This study found higher CDI rates in patients with ischemic colitis compared to diverticulitis, suggesting hypoxia may drive infection development.

Keywords:
clostridium difficilediverticulitis colongut dysbiosishospitalization outcomesischemic colitis

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A Protein Microarray Assay for Serological Determination of Antigen-specific Antibody Responses Following Clostridium difficile Infection
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Area of Science:

  • Gastroenterology
  • Infectious Diseases
  • Surgical Research

Background:

  • Clostridium difficile infection (CDI) presents a growing healthcare challenge, with established risk factors including antibiotic use and dysbiosis.
  • The potential role of tissue ischemia in the pathogenesis of CDI remains largely unexplored.
  • This study investigates tissue ischemia as a potential risk factor for CDI development.

Purpose of the Study:

  • To assess whether tissue ischemia is a risk factor for Clostridium difficile infection (CDI).
  • To evaluate the prevalence of CDI in patients with ischemic colitis compared to a control group.

Main Methods:

  • A case-control study utilizing the 2013 National Inpatient Sample (NIS) database.
  • Ischemic colitis patients served as the case group, while diverticulitis patients formed the control group.
  • Univariable and multivariable logistic regression analyses were performed to identify risk factors for CDI, adjusting for confounders.

Main Results:

  • The analysis included over 30 million hospitalizations, with 120,490 for ischemic colitis and 309,940 for diverticulitis.
  • The incidence of CDI was significantly higher in the ischemic colitis group (OR = 1.39; p=0.03).
  • Multivariable analysis confirmed a strong association between ischemic colitis and CDI (OR = 2.06; p<0.001) after adjusting for confounders.

Conclusions:

  • Clostridium difficile infection (CDI) is more prevalent in patients with ischemic colitis than in those with diverticulitis.
  • The findings suggest that tissue hypoxia associated with ischemia may be a risk factor for CDI development.
  • Further research is warranted to validate these findings and elucidate the underlying mechanisms.