有证据表明幽门螺杆菌(Hp)感染可能不是十二指肠溃疡(DU)的原发病因,而仅仅是其继发性因素。 在Hp感染率普遍较高的发展中国家,DU患病率存在显著的地区或种族差异,其患病率在潮湿地区如印度、中国和非洲西海岸的南部地区较高,而在干旱的北部地区则较低,斐济的印地安人和斐济人Hp感染率相似,而前者DU There is evidence that Helicobacter pylori (Hp) infection may not be the primary cause of duodenal ulcer (DU), but only a secondary factor. In developing countries where the prevalence of Hp infection is generally high, there is a significant regional or ethnic disparities in the prevalence of DU in humid areas such as India, China and the southern region of Africa’s west coast, whereas in the arid northern region Then lower, Hp infection rates were similar between Fijian Indians and Fijians, while the former DU