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Updated: Jul 13, 2026
Investigating Intestinal Inflammation in DSS-induced Model of IBD
Published on: February 1, 2012
Hospitalization-based major comorbidity of inflammatory bowel disease in Canada
Charles N Bernstein1, Alice Nabalamba
1Department of Internal Medicine, University of Manitoba Inflammatory Bowel Disease Clinical and Research Centre, Winnipeg, Canada. cbernst@cc.umanitoba.ca
Insights
Inflammatory bowel disease (IBD) patients under 50 were hospitalized more for colon cancer and venous thromboembolism than the general population. Further monitoring of non-Hodgkin's lymphoma risk in IBD patients is needed.
Area of Science:
- Gastroenterology and Internal Medicine
- Epidemiology
- Public Health
Background:
- Inflammatory bowel disease (IBD), encompassing Crohn's disease and ulcerative colitis, is linked to various comorbidities.
- Understanding hospitalization patterns for these comorbidities is crucial for patient management and public health.
- Previous studies have indicated potential increased risks for certain conditions in IBD patients.
Purpose of the Study:
- To define the patterns of hospitalization for major comorbidities associated with inflammatory bowel disease (IBD) in Canada.
- To compare comorbidity hospitalization rates in IBD patients versus the general hospitalized population.
- To identify specific comorbidities that pose a greater risk to IBD patients.
Main Methods:
- Utilized the Statistics Canada Health Person Oriented Information hospital database from 1994/1995 to 2003/2004.
- Extracted hospitalization data for Crohn's disease (ICD-9: 555; ICD-10: K50) and ulcerative colitis (ICD-9: 556; ICD-10: K51).
- Assessed age- and sex-specific, and age-adjusted hospitalization rates for selected IBD-related comorbidities.
Main Results:
- Hospitalization rates for Hodgkin's disease and non-Hodgkin's lymphoma were low in the IBD cohort.
- Colon cancer, rectal cancer, pulmonary emboli, and deep venous thromboembolism rates were higher in IBD patients under 50 compared to non-IBD patients.
- The study identified specific age groups within the IBD population experiencing elevated risks for certain serious conditions.
Conclusions:
- IBD is associated with a greater risk of life-threatening comorbidities, including venous thromboembolic disease and colon cancer, in individuals younger than 50 years.
- The findings highlight the need for targeted screening and preventative strategies for younger IBD patients.
- Long-term surveillance of non-Hodgkin's lymphoma trends is recommended, particularly for IBD patients on immunomodulating therapies, to assess evolving risks.
Objective:
To define the patterns of hospitalization for known major comorbidities associated with inflammatory bowel disease (IBD) in Canada.
Methods:
The data source was the Statistics Canada Health Person Oriented Information hospital database (1994/1995 to 2003/2004). The number of stays for a diagnosis of Crohn's disease or ulcerative colitis by the International Classification of Diseases, ninth edition, codes 555 or 556, or the International Classification of Diseases, 10th edition, Canadian Enhancement, codes K50 or K51, was extracted. Age- and sex-specific and age-adjusted rates of hospitalization for selected IBD-related comorbidities were assessed.
Results:
Rates of Hodgkin's disease and non-Hodgkin's lymphoma were low in the hospitalized IBD population. Rates for colon cancer, rectal cancer, pulmonary emboli and deep venous thromboembolism were generally higher among IBD patients younger than 50 years of age compared with the non-IBD hospitalized population.
Conclusions:
IBD was associated with life-threatening comorbidities such as venous thromboembolic disease and colon cancer among persons younger than 50 years of age to a greater extent than the general hospitalized population. Recent secular trends in rates of non-Hodgkin's lymphomas will need to be followed to determine whether the whole population, including IBD patients who receive immunomodulating therapies, are at increased risk.
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