172.4 📌 章末速記

• H. pylori — spiral, urease 強, microaerophilic, 胃 mucus 層
• Diseases: chronic gastritis, PUD, gastric adeno (carcinogen), MALT lymphoma, ITP/IDA
• Dx: UBT / stool antigen (hold PPI 2 wk); biopsy CLO/histo/culture
• Treatment 2024:
  • Bismuth quadruple × 14d (preferred globally)
  • Concomitant quadruple if clari R < 15%
  • Vonoprazan-based (PCAB) new option
• Clari triple — 不再 preferred (R 升)
• Test of cure ≥ 4 wk off PPI ≥ 2 wk
• MALT lymphoma stage IE — eradication 70-80% cure
• Family screening if 1st-degree gastric CA