血液样本处理延迟会影响血培养阳性时间以及革兰氏染色-吖啶橙白细胞甩片试验的结果。
Delayed processing of blood samples influences time to positivity of blood cultures and results of Gram stain-acridine orange leukocyte Cytospin test.
作者信息
Schwetz I, Hinrichs G, Reisinger E C, Krejs G J, Olschewski H, Krause R
机构信息
Division of Infectious Diseases, Department of Pulmonology, Medical University of Graz, Graz, Austria.
出版信息
J Clin Microbiol. 2007 Aug;45(8):2691-4. doi: 10.1128/JCM.00085-07. Epub 2007 May 30.
Abstract
We investigated in vitro whether storage of blood samples influences the time to positivity used for the calculation of the differential time to positivity (DTP) and the results of the Gram stain-acridine orange leukocyte Cytospin (AOLC) test. A 24-hour storage of blood samples at room temperature may lead to false-negative DTP and false-positive Gram stain-AOLC test results, whereas storage at 4 degrees C does not.
摘要
我们在体外研究了血样储存是否会影响用于计算阳性差异时间（DTP）的阳性时间以及革兰氏染色-吖啶橙白细胞甩片（AOLC）试验的结果。血样在室温下储存24小时可能会导致DTP出现假阴性以及革兰氏染色-AOLC试验结果出现假阳性，而在4℃下储存则不会。
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