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Crohn’s disease is a chronic, relapsing form of inflammatory bowel disease characterized by segmental, transmural inflammation that can affect any part of the gastrointestinal tract. Its pathogenesis arises from a combination of genetic susceptibility, environmental exposures, epithelial barrier dysfunction, and immune dysregulation. Together, these factors lead to an exaggerated immune response against components of the gut microbiome.Genetic and Environmental InfluencesMultiple genetic...
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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.
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Recurrent Clostridium difficile infection is associated with increased mortality.

M A Olsen1, Y Yan2, K A Reske3

  • 1Division of Infectious Diseases, Washington University School of Medicine, St Louis, MO, USA; Division of Public Health Sciences, Washington University School of Medicine, St Louis, MO, USA.

Clinical Microbiology and Infection : the Official Publication of the European Society of Clinical Microbiology and Infectious Diseases
|February 7, 2015
PubMed
Summary

Recurrent Clostridium difficile infections (CDI) significantly increase mortality risk. Patients experiencing recurrent CDI face a higher likelihood of death within six months compared to those with a single episode.

Keywords:
Clostridium difficilecohortepidemiologymortalityrecurrencesurvival

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Area of Science:

  • Infectious Diseases
  • Epidemiology
  • Clinical Medicine

Background:

  • Clostridium difficile infections (CDI) are a significant cause of morbidity and mortality.
  • Up to 30% of CDI patients experience recurrence, yet data on its impact on survival are limited.

Purpose of the Study:

  • To investigate the independent association between recurrent CDI and 6-month survival.
  • To compare mortality rates in patients with recurrent CDI versus those without recurrence.

Main Methods:

  • Retrospective cohort study at an academic, urban, tertiary care hospital.
  • Analysis of electronic medical records and chart review for 3958 adult patients with initial CDI episodes (2003-2009).
  • Kaplan-Meier and Cox proportional hazards models used to assess mortality within 180 days, adjusting for covariates.

Main Results:

  • 36% of patients with recurrent CDI died within 180 days, compared to 26% without recurrence (p <0.001).
  • Recurrent CDI was independently associated with a 33% increased hazard of death within 180 days (HR 1.33; 95% CI 1.12-1.58).

Conclusions:

  • Recurrent CDI is a significant independent risk factor for increased 6-month mortality.
  • This finding underscores the importance of managing and preventing CDI recurrence to improve patient outcomes.