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十二指肠溃疡（DU）为临床常见病。近年来，由于HZ受体桔抗剂的广泛使用，其大多数能在治疗期（4～8周）获得满意的疗效。但是，停药后溃疡的复发情况却是很棘手的问题。目前研究已证明清除幽门螺杆菌闭n能降低其相关性十二指肠溃疡的复发率[1]。体外药敏研究表明HP对呋喃唑酮
Duodenal ulcer (DU) is a common clinical disease. In recent years, due to the widespread use of HZ receptor antagonists, most of them can achieve satisfactory therapeutic effect during the treatment period (4 to 8 weeks). However, the relapse of ulcers after stopping is a delicate one. Current research has shown that clearance of Helicobacter pylori can reduce the recurrence rate of its associated duodenal ulcer [1]. In vitro susceptibility studies have shown that HP versus furazolidone