ANALYSIS OF BACTERIAL CULTURES IN PATIENTS WITH GASTROINTESTINAL INFECTIONS UNDERGOING SURGICAL INTERVENTION

Thị Thúy Hằng Hà, Hồng Hạnh Phạm, Quốc Ái Đặng

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Abstract

Background: This study focuses on gastrointestinal infections requiring surgical intervention, a common acute condition in surgical emergencies. The increasing antibiotic resistance of bacteria is leading to treatment failures, higher mortality risk, and prolonged hospital stays. Consequently, microbiological surveys are essential to guide antibiotic use based on clinical experience. Materials and Methods: The study was conducted through the analysis of medical records of patients with gastrointestinal infections requiring surgical intervention and bacterial identification cultures at the Department of General Surgery, Hanoi Medical University Hospital, from January 2023 to June 2024. Results: The predominant infection in the study was biliary tract infection, accounting for 87.53%. Specifically, Gram-negative bacteria producing extended-spectrum β-lactamases (ESBLs) were highly prevalent: Escherichia coli constituted 57.89% and Klebsiella spp. 28.33%. The main bacterial strains identified were Escherichia coli, Enterococcus spp., and Klebsiella. Escherichia coli exhibited high resistance rates to ampicillin/sulbactam (88.37%) and ciprofloxacin (75.57%). Klebsiella spp. showed high resistance rates to ampicillin/sulbactam (100%), ciprofloxacin (62.07%), and cefotaxime (57.89%). Conclusion: The prevalence of ESBL-producing Gram-negative bacteria in patients with gastrointestinal infections is alarming, with increasing antibiotic resistance to penicillins, third-generation cephalosporins, and quinolones.

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