2004•Journal of Shantou University Medical CollegeRequires access

Influence of the Time and Temperature on the Results of Prothrombin Time,Activated Partial Thromboplastin Time,Thrombin Time and Fibrinogen

Hua Huang

Abstract

Objective:To study the difference of prothrombin time(PT)、activated partial thromboplastin time(APTT)、thrombin time(TT)and fibrinogen(FIB)when blood samples stored at different time and temperature.Methods:A total of 30 blood samples at different storage time and temperature were measured by BECKMAN ACL-9000 system.Results:After blood samples were collected,APTT was longer at the third 3rd(P0.05),compared with the 1st hour at 20℃, the others were no significant difference.At-4℃,There was obvious difference in APTT at the 1st day and the 5th day(P0.05).Conclusion:At room temperature,PT,APTT,TT and FIB should be measured in 2 hours after the blood samples collected.If the samples cant be measured on time,they must be stored at-4℃,and are measured within 5 days as possible.

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Key concepts: Partial thromboplastin time, Prothrombin time, Thrombin time, Fibrinogen, Thromboplastin, Chemistry, Thrombin, Significant difference