Association of ABO Blood Groups with Peptic Ulcer Disease and Gastric Carcinoma
DOI:
https://doi.org/10.69980/ajpr.v28i1.853Abstract
Abstract
Background: The ABO blood group system has been consistently associated with susceptibility to various gastrointestinal diseases, notably peptic ulcer disease and gastric carcinoma, as evidenced by epidemiological studies. However, data from Indian populations, particularly in hospital-based observational contexts, remain sparse. Methods: This prospective observational study involved 40 patients diagnosed with either peptic ulcer disease or gastric carcinoma, all of whom underwent upper gastrointestinal endoscopy at a tertiary care teaching hospital. The cohort comprised 20 patients with peptic ulcer disease and 20 with gastric carcinoma. ABO blood grouping was conducted using the rapid-slide agglutination method. The frequency distribution of ABO blood groups was analyzed separately for peptic ulcer disease and gastric carcinoma. Results: Among the patients with peptic ulcer disease, blood group O was the most prevalent, identified in 11 patients (55%), followed by blood groups A, B, and AB. In contrast, blood group A was predominant among patients with gastric carcinoma, observed in 14 patients (70%). Individuals with blood group O exhibited a higher relative risk for peptic ulcer disease, whereas those with blood group A demonstrated a higher relative risk for gastric carcinoma compared to other blood groups. Conclusion: This study corroborates the association between blood group O and peptic ulcer disease, as well as between blood group A and gastric carcinoma. These findings underscore the potential influence of genetic and biological factors linked to ABO blood groups in the pathogenesis of gastrointestinal diseases. Further extensive studies incorporating additional risk factors are necessary to elucidate these associations.
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