Abstract:
BACKGROUND:Bariatric surgeons often advocate preoperative Helicobacter pylori (H. pylori) testing and eradication because of the increased risk of postoperative ulcers and foregut symptoms in H. pylori-positive patients. The aim of this pilot study was to evaluate whether body mass index (BMI) might influence the success rate of eradication. METHODS:Eighty one nondiabetic naïve H. pylori-positive patients were divided into two groups according to their BMI, with 41 in the control group (normal BMI) and 40 in the overweight/obese group (BMI > or = 25). Gastroscopy was performed and multiple biopsies were obtained from the antrum and corpus. Both groups were given a triple therapy consisting of pantoprazole 40 mg for 2 weeks plus amoxicillin 1 g tris in die (t.i.d), and clarithromycin 250 mg t.i.d, for the first week of treatment. Eradication was confirmed by the (13)C-urea breath test at 3 months. RESULTS:Successful eradication was observed in 55.0% of the overweight/obese group compared with 85.4% [p < 0.005; odds ratio (OR): 4.77; 95% confidence interval (CI): 1.64-13.87]. The distribution of age, gender, and smoking, as well as the proportion with corpus predominant gastritis (41.4% and 35.0% in control and overweight/obese groups, respectively), did not differ significantly between the two groups. Regression analysis showed that risk factors for treatment failure were BMI (p < 0.02) with an OR of 1.06 (95% CI: 1.01-1.11) and corpus-predominant gastritis (p < 0.001) with an OR of 8.74 (95% CI: 2.48-30.8). CONCLUSION:Overweight/obese nondiabetic patients showed a significantly lower rate of eradication rate of H. pylori infection than controls. BMI and corpus-predominant gastritis appear to be independent risk factors for eradication failure.
journal_name
Obes Surgjournal_title
Obesity surgeryauthors
Abdullahi M,Annibale B,Capoccia D,Tari R,Lahner E,Osborn J,Leonetti F,Severi Cdoi
10.1007/s11695-008-9477-zsubject
Has Abstractpub_date
2008-11-01 00:00:00pages
1450-4issue
11eissn
0960-8923issn
1708-0428journal_volume
18pub_type
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