有人提出内镜医师感染幽门螺旋杆菌的危险性较大 ,但是目前不同的研究得出的结果相互矛盾1,2 。出现这种现象的部分原因是因为这些结论都是横断面的流行病学研究 ,而非长期随诊的前瞻性研究。幽门螺旋杆菌是通过胃 (口 ) 口或粪 口传播的 ,人的胃粘膜是细菌最主要的栖息地。因 It has been suggested that endoscopists are at a higher risk of H. pylori infection, but the results of different studies have conflicting findings1,2. Part of the reason for this is because these conclusions are cross-sectional epidemiological studies rather than long-term follow-up prospective studies. Helicobacter pylori is transmitted through the stomach (mouth) or fecal exit, the human gastric mucosa is the most important habitat for bacteria. because