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结核菌素试验是诊断结核感染的特异方法。是结核病流行病学调查、卡介苗接种,内、儿科诊断不可缺少的应用技术之一。正确的注射、观察、判断试验结果,是护理工作中不可缺少的部分。近年来世界发达国家和我国部分地区开始使用精制结核菌素即纯蛋白衍生物(PPD),由于条件所限,目前我国最常用的仍是旧结素(OT)。OT 成分是结核蛋白和分解产物,还有与活性无关的多糖、核酸、脂类、结核菌代谢产物、培基中各种成分等,故常造成非特异性反应。
Tuberculin test is a specific method of diagnosis of tuberculosis infection. Epidemiological investigation of tuberculosis, BCG vaccination, the application of pediatric diagnosis is indispensable. Correct injection, observation, to determine the test results, is an indispensable part of nursing work. In recent years, the developed countries in the world and some parts of China have started to use purified tuberculin (PPD). Due to the limited conditions, OT is the most commonly used in our country at present. OT composition of tuberculosis protein and decomposition products, but also has nothing to do with the activity of polysaccharides, nucleic acids, lipids, metabolites of TB, the training of various components, it often leads to non-specific reaction.