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。