• C H Ho, M C Hou, H C Lin, S D Lee, and S M Liu.
• Division of Hematology, Veterans General Hospital-Taipei, Taiwan, ROC.
• Zhonghua Yi Xue Za Zhi (Taipei). 1998 Jun 1; 61 (6): 332-8.

BackgroundLaboratory diagnosis of disseminated intravascular coagulation (DIC) is difficult in patients with cirrhosis of the liver due to the complicated hemostatic changes of DIC. More recently, newer molecular hemostatic markers have been used to improve the diagnosis of DIC. This study evaluated the ability of the more advanced hemostatic tests to diagnose DIC in patients with cirrhosis of the liver.MethodsA series of hemostatic tests and parameters including activated partial thromboplastin time (APTT), prothrombin time (PT), thrombin time (TT), factor VIII assay, antithrombin (AT) activity, fibrinogen, plasminogen, protamine sulfate test (PST), fibrin (ogen) degradation product (FDP), D-dimer, thrombin-antithrombin complex (TAT) (measured by modified antithrombin, ATM), euglobulin lysis test (ELT) and platelet count were performed in 51 patients with cirrhosis of the liver. A diagnosis of DIC was made according to the following parameters and criteria: a) platelets less than 80 x 10(9)/l; b) PT greater than 1.5, c) APTT greater than 1.3; d) TT greater than 24 sec; e) AT less than 60%; f) ATM greater than 14.7 ng/ml (normal, mean +/- 3 SD); g) fibrinogen less than 1.50 g/l; h) positive PST; i) D-dimer greater than 1.0 microgram/ml; j) FDP greater than 20 micrograms/ml; k) ELT less than 150 min; l) plasminogen less than 50%. DIC was diagnosed if six or more of the above items were present, and at least two of them were item (a) to (h), and at least two were item (g) to (l).ResultsAlthough eight patients had results that fitted the diagnostic criteria of DIC by using the more advanced tests, only two of them were diagnosed with DIC by conventional testing. The concentration of factor VIII in these eight patients did not markedly decrease.ConclusionsNew tests are not necessary to improve the diagnosis of DIC in patients with cirrhosis of the liver.

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