Methods Hp in gastric antral mucosal tissue of 78 old people peptic ulcer patients was detected by polymerase chain reaction ( PCR ) and urease methods after one year of Hp eradication Hp reinfection and ulcer recurrence were also observed .

方法应用PCR法对78例老年性消化性溃疡幽门螺杆菌感染及幽门螺杆菌感染根除 治疗后半年、1年 幽门螺杆菌再感染者进行了测定。

PCR methods is more reliable than the urease methods . quick ;

PCR检测较快速 尿素酶 法准确。