
Keywords: H. pylori، Helicobacter pylori; GOO, gastric outlet obstruction; PUD, peptic ulcer disease; H. pylori, Helicobacter pylori; EBD, endoscopic balloon dilatation; NSAIDs, nonsteroidal anti-inflammatory drugs; PPI, proton-pump inhibitor; AST, antisecretory therapy; TTS, through the scopeDuo