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Obesity increases the risks of diverticulitis and diverticular bleeding
Lisa L Strate1, Yan L Liu, Walid H Aldoori
1University of Washington School of Medicine, Seattle, Washington, USA. lisas@medicine.washington.edu
Gastroenterology
|November 11, 2008
Summary
Obesity increases the risk of diverticulitis and diverticular bleeding. Higher body mass index (BMI), waist circumference, and waist-to-hip ratio are linked to greater complications from diverticular disease.
Area of Science:
- Gastroenterology
- Public Health
- Epidemiology
Background:
- Diverticular disease is a common gastrointestinal condition.
- Limited research exists on the association between obesity and diverticular complications.
Purpose of the Study:
- To investigate the relationship between obesity indicators and the risk of diverticulitis and diverticular bleeding.
Main Methods:
- A prospective cohort study involving 47,228 male health professionals aged 40-75.
- Data on body mass index (BMI), waist circumference, and waist-to-hip ratio were collected.
- Follow-up over 18 years documented incident cases of diverticulitis and diverticular bleeding.
Main Results:
- Higher BMI (≥30 kg/m²) was associated with increased risk for diverticulitis (RR 1.78) and diverticular bleeding (RR 3.19).
- Increased waist circumference and waist-to-hip ratio also correlated with higher risks of both diverticulitis and diverticular bleeding.
- These associations remained significant after adjusting for other risk factors.
Conclusions:
- Obesity, as measured by BMI and abdominal fat distribution, is a significant risk factor for developing diverticulitis and diverticular bleeding.
- Public health initiatives focusing on weight management may help reduce the incidence of diverticular complications.
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