Gastroenterology Research and Practice / 2012 / Article / Tab 2

Clinical Study

Efficacy of a “Rescue” Ciprofloxacin-Based Regimen for Eradication of Helicobacter pylori Infection after Treatment Failures

Table 2

Prevalence of antibiotic resistance of H. pylori isolates after treatment with omeprazole/esomeprazole, clarithromycin, and amoxicillin or omeprazole/esomeprazole, clarithromycin, and tinidazole/metronidazole.

AntibioticsMIC cut off (number of H. pylori-resistant strains)

Amoxicillin>8 μg/mL (2 > 8 μg/mL)
Clarithromycin≥2 μg/mL (1 > 256 μg/mL)  
Metronidazole>8 μg/mL (3 > 256 μg/mL)   
Ciprofloxacin≥1 μg/mL (2 > 32 μg/mL)  
Tetracycline≥2 μg/mL (0)

MIC: minimum inhibitory concentration.

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