Detect inflammation, protect patients’ gut!
Inflammatory bowel disease (IBD) is a group of chronic gastrointestinal tract (GI) inflammatory conditions. The two main types of IBD are Crohn’s disease and ulcerative colitis. Crohn’s disease can affect any part of the GI tract, but most commonly it affects the final tract of the small intestine (ileum) and the beginning of the colon. In contrast, ulcerative colitis is limited to the colon (large intestine) and rectum. The diagnosis of IBD is based on the clinical picture of the patient as well as on a combination of endoscopic, histological, laboratory, and radiological tests.
Crohn’s disease (CD) is a chronic, immune-mediated inflammatory disorder of the gastrointestinal tract that most commonly affetcs the terminal ileum and colon. It is characterized by transmural, patchy inflammation, which can lead to complications such as strictures, fistulas, and ulceration. Clinically, patients present with abdominal pain, diarrhea, weight loss, fatigue, and sometimes extra-intestinal manifestations like arthritis or skin lesion. Anti-Saccharomyces cerevisiae antibodies (ASCA) are commonly detected in CD and can help differentiate it from ulcerative colitis.
Ulcerative colitis (UC) is limited to the colon and rectum, characterized by continuous mucosal inflammation, ulceration, and bleeding. Atypical perinuclear anti-neutrophil cytoplasmic antibodies (x-ANCA) are frequently associated with UC and can help differentiate it from CD, although diagnosis relies on a combination of clinical evaluation, endoscopy, histology, and serology.
One of the most reliable tests for IBD diagnosis, is the non-invasive detection of calprotectin in stool. The level of fecal calprotectin is proportional to the extent of inflammation and helps distinguish IBD from irritable bowel syndrome (IBS).
IBD affects millions worldwide, causing chronic inflammation, serious complications, and high healthcare costs.
people in the USA and Europe are estimated to have IBD
new cases of IBD are diagnosed worldwide each year
Yearly direct and indirect medical costs for an IBD patient
The stool tests and antibody detection are useful for differentiated diagnosis of an inflammation located in the gastrointestinal tract. For example, the detection of fecal calprotectin supports the differentiation of IBS and IBD. In cases of IBS, calprotectin values are in the normal range. Elevated calprotectin levels are found in cases of IBD, infectious gastroenteritis, necrotizing enterocolitis, allergic colitis, cystic fibrosis, and colorectal carcinoma.
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b) Li L, Cheng R, Wu Y, Lin H, Gan H, Zhang H. Diagnosis and management of inflammatory bowel disease. J Evid Based Med. 2024 Jun;17(2):409-433.
c) Park KT, Ehrlich OG, Allen JI, Meadows P, Szigethy EM, Henrichsen K, Kim SC, Lawton RC, Murphy SM, Regueiro M, Rubin DT, Engel-Nitz NM, Heller CA. The Cost of Inflammatory Bowel Disease: An Initiative From the Crohn's & Colitis Foundation. Inflamm Bowel Dis. 2020 Jan 1;26(1):1-10.
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