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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
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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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Irritable Bowel Syndrome II: Clinical Features and Diagnostic Evaluation
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Parameters of Body Composition Predict Clinical Course in Acute Colonic Diverticulitis.

Alexey Surov1, Mattes Hinnerichs2, Iram Shahzadi1

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Body composition impacts acute colonic diverticulitis (ACD) outcomes. Sarcopenia, myosteatosis, and visceral adiposity are linked to longer hospital stays, while sarcopenia predicts macro abscesses and myosteatosis/visceral adiposity predict perforation.

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Area of Science:

  • Gastroenterology
  • Clinical Nutrition
  • Radiology

Background:

  • Acute colonic diverticulitis (ACD) is a common complication of diverticulosis.
  • Body composition, including muscle and adipose tissue, may influence ACD.
  • Previous studies on body composition in ACD were limited by small sample sizes.

Purpose of the Study:

  • To investigate the association between body composition parameters and ACD complications in a large patient cohort.
  • To identify prognostic factors for ACD severity based on body composition.

Main Methods:

  • Retrospective analysis of 646 patients diagnosed with ACD.
  • Semiautomated measurement of skeletal muscle area (SMA), skeletal muscle density, visceral adipose tissue (VAT), and intramuscular adipose tissue using ImageJ software.
  • Cox regression analysis (adjusted for age and sex) to assess the impact of body composition on complications and hospital stay.

Main Results:

  • Sarcopenia (low SMA) was present in 49.8% of patients.
  • High VAT (81.3%) and myosteatosis (low skeletal muscle density, 49.8%) were common.
  • Sarcopenia independently predicted complicated ACD (OR=1.48).
  • Myosteatosis (OR=2.36) and visceral adiposity (OR=7.62) were associated with free perforation.
  • Sarcopenia predicted macro abscesses (OR=2.41).

Conclusions:

  • Sarcopenia, myosteatosis, and visceral adiposity are associated with prolonged hospital stays in ACD patients.
  • Sarcopenia is a significant predictor of macro abscess formation.
  • Myosteatosis and high visceral adipose tissue are linked to an increased risk of free perforation.