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Type 2 Diabetes Mellitus and Helicobacter pylori Gastritis in Patients Referred for Endoscopy-A Single-Center
Sabrina-Nicoleta Munteanu1, Dragoș Huțanu2, Ana-Maria Filip3
1Department of Clinical Science-Internal Medicine, "George Emil Palade" University of Medicine, Pharmacy, Science, and Technology of Târgu Mureș, 540139 Mureș, Romania.
Background:
Type 2 diabetes mellitus (T2DM) affects up to 10% of adults globally, and its complications can mask the risk of gastrointestinal bleeding or malignancy.
Methods:
Our study enrolled 633 endoscopic patients stratified according to T2DM presence (4:1 ratio in favor of the control group).
Results:
T2DM patients referred for endoscopy experienced lower prevalence of epigastric pain and heartburn (OR = 0.637/OR = 0.346, p < 0.05). Often being anemic (OR = 2.23, p < 0.001), they had significantly lower hemoglobin (p = 0.001) and serum iron (p = 0.02), but serum cholesterol was higher in non-diabetics. Ulcers, erosions and mucosal hemorrhages were comparable between groups (p < 0.05), although low-dose aspirin use was more prevalent in diabetics (p = 0.000, OR = 2.34). T2DM was associated with the increased frequency of antro-corporal active gastritis (OR = 1.451/OR 1.501), with smokers presenting a higher frequency of active H. pylori infection (OR = 3.37). T2DM predicted anemia (adjusted OR = 1.70) and the absence of gastroesophageal reflux symptoms (adjusted OR = 0.37), but not active H. pylori gastritis or premalignant lesions.
Conclusion:
In an endoscopic population, patients with T2DM had lower hemoglobin and serum iron levels. There was an inverse correlation between T2DM and heartburn. H. pylori gastritis and premalignant lesions occurred more frequently in diabetic patients (predominantly pangastritis) before adjusting for age or associated comorbidities, with smoking increasing the risk for active infection.
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