[The application of genotypic resistance testing for clarithromycin and levofloxacin in different types of Helicobacter pylori infected patients based on gastric mucosal samples].

Abstract excerpt

Objective: To evaluate the utility of genotypic resistance testing for specific antibiotics in both treatment-naïve and rescue patients with Helicobacter pylori infection, providing a basis for the rational selection of patients suitable for individualized therapy. Methods: This was a single-center cross-sectional study performed between January 2024 and July 2025 involving 385 patients with active H. pylori...

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