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随着伤寒脂多糖(LPS)抗体被动血凝试验(LPS—PHA)的建立和临床应用的效果观察,其诊断价值引起医学界关注。本文诣在探讨该法在流行病学现场调查中的实用意义。1998年8~9月,椒江区下陈镇发生伤寒暴发,我们采用LPS-PHA和病原学检测进行实验观察,现将观察情况报告如下。材料与方法1．材料:(1)血清:疫区内发热三天以上病人和伤寒密切接触者,静脉采血3ml分离血清。经56℃30分钟灭活,冰箱保存备用。(2)血液:疫区内发热三天以上病人。采集静脉血2mi做伤寒沙门氏菌培养。(3)粪便:系疫区内发热病人、伤寒密切接触
With the establishment of LPS antibody passive hemagglutination test (LPS-PHA) and the clinical application of the observation, the diagnostic value of LPS antibody has drawn the medical attention. This article is to explore the practical significance of the method in epidemiological field investigation. From August to September 1998, an outbreak of typhoid fever was reported in Xia Chen Town, Jiaojiang District. The experimental observations were made using LPS-PHA and etiological tests. The observation is as follows. Materials and methods 1. MATERIALS: (1) Serum: The patients in the infected area were closely contacted with the typhoid for more than three days and the blood was collected from the venous blood for 3ml to separate the serum. After 56 ℃ 30 minutes inactivation, the refrigerator to save spare. (2) blood: fever in the affected area more than three days the patient. Venous blood was collected for 2mi to culture Salmonella typhi. (3) Excrement: Fever in the affected area, contact with typhoid fever