Laboratory Medicine ›› 2024, Vol. 39 ›› Issue (8): 764-769.DOI: 10.3969/j.issn.1673-8640.2024.08.008

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Predictive value of activated partial thromboplastin time,thromboelastogram and fibrin monomer in patients treated with extracorporeal membrane oxygenation for hemorrhage and thrombosis

DENG Shuang, FANG Jingshu, GAN Fangyan()   

  1. Department of Clinical Laboratory,the People's Hospital of Guangxi Zhuang Autonomous Region,Guangxi Academy of Medical Sciences,Nanning 530021,Guangxi,China
  • Received:2024-02-01 Revised:2024-04-26 Online:2024-08-30 Published:2024-09-02

Abstract:

Objective To investigate the predictive value of activated partial thromboplastin time(APTT),thromboelastogram(TEG) and fibrin monomer(FM) in patients treated with extracorporeal membrane oxygenation(ECMO). Methods A total of 26 patients treated with ECMO were enrolled from the People's Hospital of Guangxi Zhuang Autonomous Region from August to December 2023. The patients were classified into hemorrhage group(16 cases),non-hemorrhage group(10 cases),thrombosis group(5 cases) and non-thrombosis group(21 cases) according to the occurrence of hemorrhage and thrombosis. The clinical data of all the patients were collected,and the differences of coagulation parameters were compared. The risk factors of ECMO hemorrhage and thrombosis were evaluated by Cox regression analysis. The roles of APTT,TEG and FM in predicting ECMO hemorrhage and thrombosis were evaluated by receiver operating characteristic(ROC) curve. Results The incidence rates of hemorrhage and thrombosis were 61.5%(16/26) and 19.2%(5/26),respectively. The related event occurrence median days were 3 and 6 d,respectively. The maximum APTT,average APTT,TEG reaction time(R)[citrated kaolin(CK),citrated kaolin heparinase(CKH) and ?R(RCK-RCKH)] in hemorrhage group were higher than those in non-hemorrhage group(P<0.05),and FM in thrombosis group was higher than that in non-thrombosis group(P<0.05). Maximum APTT,TEG RCK,TEG RCKH and TEG ?R were risk factors for hemorrhage(P<0.05),and the corrected hazard ratios(HR) were 1.010,1.029,1.216 and 1.018,respectively. FM was a risk factors of thrombosis(P<0.05) and HR was 1.008 after correction. The areas under curves of maximum APTT,TEG RCK,TEG RCKH and TEG ?R for predicting ECMO hemorrhage were 0.831,0.800,0.763 and 0.744,respectively,and the area under curve(AUC)of combined determination was 0.869. The area under curve of FM predicted thrombosis was 0.868. Conclusions Maximum APTT,TEG RCK,TEG RCKH and TEG ?R can be used to predict ECMO hemorrhage,and the combined determination has optimal predictive value. FM can predict ECMO thrombosis.

Key words: Activated partial thromboplastin time, Thromboelastogram, Fibrin monomer, Hemorrhage, Thrombosis, Extracorporeal membrane oxygenation

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