Breath and string test: A diagnostic package for the identification of treatment failure and antibiotic resistance of Helicobacter pylori without the necessity of upper gastrointestinal endoscopy

Figure 1 Gastric string test for obtaining H pylori from the gastric mucosa: A: Capsule with partly extracted string. The overall length of the string was 90 cm; B: Capsule with string before swallowed; C: End of the string taped to the cheek.

Figure 2 Schematic overview of patients and growth rates of H pylori obtained from biopsies taken during upper GI-endoscopy and from the gastric string.