4.幽门螺杆菌感染幽门螺杆菌与慢性胃炎密切相关，抑制幽门螺杆菌使原发性消化性溃疡愈合率增加，消除幽门螺杆菌以后溃疡复发率显著下降，细菌的消除以及胃十二指肠炎的消退在很多研究中与溃疡不复发有关。
O O B-dis I-dis I-dis I-dis I-dis I-dis I-dis B-mic I-mic I-mic I-mic I-mic O B-dis I-dis I-dis I-dis O O O O O O O B-mic I-mic I-mic I-mic I-mic O B-dis I-dis I-dis I-dis I-dis I-dis I-dis I-dis O O O O O O O O B-mic I-mic I-mic I-mic I-mic O O B-dis I-dis O O O O O O O O B-mic I-mic O O O O O B-dis I-dis I-dis I-dis I-dis I-dis O O O O O O O O O O B-dis I-dis O O O O O O