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Duodenal ulcers: early and late onset

S K Lam, G B Ong

    Gut
    |March 1, 1976
    PubMed

    Insights

    Early-onset duodenal ulcers are linked to blood groups A, B, and AB, and a family history of dyspepsia. Late-onset ulcers, prevalent in blood group O, show increased severity and complications.

    Area of Science:

    • Gastroenterology
    • Human Genetics
    • Clinical Medicine

    Background:

    • Duodenal ulcer disease (DUD) is a significant gastrointestinal condition.
    • Understanding risk factors like age of onset, blood group, and family history is crucial for patient management.

    Purpose of the Study:

    • To investigate the association between the age of onset of duodenal ulcer dyspepsia and blood group.
    • To explore the relationship between the age of onset of duodenal ulcer dyspepsia and family history of ulcer dyspepsia.

    Main Methods:

    • Retrospective analysis of 1042 duodenal ulcer patients.
    • Categorization of patients into early-onset (first two decades) and late-onset (fourth decade onwards) groups.
    • Statistical comparison of blood group distribution and family history prevalence between onset groups.

    Main Results:

    • Early-onset patients showed a higher prevalence of blood groups A, B, and AB, and a stronger family history of dyspepsia.
    • Late-onset patients predominantly belonged to blood group O.
    • Blood group O was associated with increased risk of duodenal ulceration and bleeding, particularly severe and recurrent bleeding in late-onset patients.
    • Bleeding was the primary complication in early-onset patients.
    • Late-onset ulcers exhibited a higher tendency for perforation, stenosis, severe pain, and virulence (multiple, post-bulbar, or giant ulcers).

    Conclusions:

    • Age of onset significantly influences the clinical presentation and risk factors associated with duodenal ulcers.
    • Blood group O is a risk factor for duodenal ulceration and bleeding, especially in late-onset cases.
    • While some complications are age-independent, others like associated gastric ulceration and mortality are linked to aging.

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