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  • Title: [Crohn's disease: influence of age at diagnosis on clinical type of disease].
    Author: Elloumi H, Sfar S, Ben Abdelaziz A, Arfaoui D, Mouna G, Ajmi S.
    Journal: Tunis Med; 2007 Oct; 85(10):862-5. PubMed ID: 18236809.
    Abstract:
    UNLABELLED: The aim of the study was to examine the influence of age at diagnosis of Crohn's disease on disease site and course in Tunisian patients. METHODS: All hospital patients for Crohn's disease between 1993 and 2002 were included. They were segregated by age at diagnosis as follows: younger than 20 years, 20-39 years, and 40 years or older. And all patients were classified at the time of the latest visit into one of three subtypes of disease (non complicating, stricturing, and fistulizing) according Vienna's classification. Crohn's disease was devised also by site (ileum, ileocecal, colon and higher site). RESULTS: Sixty one patients (50.4%) were 20-39 years old and 43 patients (35.5%) were 40 years and older. Colonic involvement was significantly more common (46,5%) in the 40 years and older group compared with 20-39 years group (24.6%) (p = 0.01). The subtype without complication was significantly more common (58.1%) in the 40 years and older group compared with 20-39 years group (39.3%) (p = 0.05). The frequency of the need for surgery for any indication for Crohn's disease didn't differ significantly according to age. CONCLUSION: In this study, Crohn's disease diagnosed in tunisian patients that were 40 years and older had often a colonic site and a less severe phenotype supporting the concept of genetic heterogeneity.
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