14C呼气试验与快速尿素酶试验检测幽门螺杆菌感染的对比研究(1)
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[摘要] 目的：探讨14C呼气试验和快速尿素酶试验两种方法对幽门螺杆菌(H.pylori)感染的诊断价值。方法：107例有消化道症状的患者，分别用14C呼气试验和快速尿素酶试验两种方法进行检测，比较两种方法对H.pylori检测符合率及灵敏度、特异度、阳性预测值和阴性预测值。结果：两种方法对H.pylori感染的检出率分别为92.0%和89.8%，但差异无统计学意义。14C呼气试验的灵敏度、特异度、阳性预测值和阴性预测值分别为92.7%、88.0%、93.8%和84.6%。快速尿素酶试验灵敏度、特异度、阳性预测值和阴性预测值分别为87.8%、80.0%、91.1%和71.4%。结论：14C呼气试验和快速尿素酶试验对H.pylori感染的诊断均有很高的敏感性和特异性，是临床上用于H.pylori感染诊断的可靠方法。
[关键词] 14C呼气试验；快速尿素酶试验；幽门螺杆菌；感染
[中图分类号] R446.1 [文献标识码] C [文章编号] 1674-4721(2011)11(c)-074-02
Comparation of the difference of diagnostic value between 14C-urea breath test and rapid urease test for helicobacter pylori Infection
LI Hu1, TAN Lirang1, YI Ming1, HE Bincen2, FENG Yutao3
1.Department of Gastroenterology, the Central Hospital of Bazhong City, Sichuan Province, Bazhong 636000, China; 2.Department of gynaecology, the Central Hospital of Bazhong City, Sichuan Province, Bazhong 636000, China; 3.Department of stomatology, the Central Hospital of Bazhong City, Sichuan Province, Bazhong 636000, China
[Abstract] Objective: To compare the difference of diagnosis value between 14C-urea breath test and rapid urease test in detecting helicobacter pylori. Methods: A sample of 107 outpatients with digestive tractsymptom were screened for helicobacter pylori infection with 14C-urea breath test (UBT), rapid urease test (RUT) on fresh biopsy. Direct smear method was used as gold standard. Sensitivity, specificity, positive and negative predictive values were calculated and compared. Results: The detectable rates of H.pylori were 92.0% and 89.8% tested by two methods, there were usually no significant difference. Sensitivities, specificities, positive predictive value and negative predictive value were 92.7%, 88.0%, 93.8% and 84.6% respectively, for the 14C-urea breath test; Sensitivities, specificities, positive predictive value and negative predictive value were 87.8%, 80.0%, 91 ......
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