Cannon K, Mitchell K A, Fabian T C
Heart Lung. 1985 Jul;14(4):392-5.
To establish a standardized protocol of obtaining coagulation studies from arterial lines without heparin contamination, two methods were evaluated in a prospective randomized fashion for accuracy by comparing PT and aPTT results with simultaneous samples drawn by venipuncture. Fifty paired samples were obtained, 25 by method A and 25 by method B, from critically ill patients in the surgical intensive care unit at City of Memphis Hospital. Analyses of PT and aPTT from these samples revealed a close statistical correlation with the venous controls and no clinically significant difference between the samples.
为建立一种从动脉导管获取无肝素污染凝血研究的标准化方案，通过将凝血酶原时间（PT）和活化部分凝血活酶时间（aPTT）结果与同时通过静脉穿刺采集的样本进行比较，以前瞻性随机方式评估了两种方法的准确性。从孟菲斯市医院外科重症监护病房的危重症患者中获取了50对样本，方法A获取25对，方法B获取25对。对这些样本的PT和aPTT分析显示，与静脉对照有密切的统计学相关性，且样本之间无临床显著差异。
