Epidemiology and risk factors for diverticular disease

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Alessandra Violi
Ginevra Cambiè
Chiara Miraglia
Alberto Barchi
Antonio Nouvenne
Mario Capasso
Gioacchino Leandro
Tiziana Meschi
Gian Luigi de' Angelis
Francesco Di Mario


diverticulosis, diverticular disease, risk factors, epidemiology


Diverticulosis of the colon is the most frequent anatomical alteration diagnosed at colonoscopy. The prevalence of the disease is higher in elderly patients over 65 years old, recent studies show an increment also in youngers over 40 years old. Even its large prevalence in the population, its pathophysiology still remain poorly understood. It’s widely accepted that diverticula are likely to be the result of complex interactions among genetic factors, alteration of colonic motility, lifestyle conditions such as smoking, obesity, alcohol consumption, fiber and meat intake with diet. Recently many authors considered also alterations in colonic microbiota composition, co-morbidity with diabetes and hypertension and the chronic assumption of certain medications like PPI, ARB and aspirin, as important risk factors for the development of diverticulosis. The aim of this narrative review is to summarise current knowledges on this topic.


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