The course of disseminated intravascular coagulation is predicted by changes in thrombin???antithrombin III complex levels???is there any difference between treatment with standard heparin or low-molecular-weight heparin?

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Abstract
Changes in thrombin-antithrombin III complex (TAT) over a one week period studied in 42 cases of disseminated intravascular coagulation (DIC); 19 treated with standard (or unfractionated) heparin (UFH) and 23 treated with low-molecular-weight heparin (LMWH). Closer examination of short term changes in TAT (determined 2, 6, 12, 24, 48, and 72h after starting anticoagulant therapy) was performed in ten cases of DIC; six treated with UFH and four treated with LMWH. In twelve of the 19 cases of DIC treated with UFH and 19 of the 23 cases treated with LMWH, plasma levels of TAT decreased one day after starting anticoagulant therapy, and no exacerbation of DIC was observed for the following week. In the other cases, these levels further increased and most patients had persistently high levels of TAT for the next week. Plasma levels of TAT were significantly lower in patients treated with LMWH than in those treated with UFH, which may suggest that LMWH is more beneficial in DIC. A transient increase in plasma levels of TAT was observed 6 h after the start of anticoagulant therapy in two of the six cases treated with UFH and one of the four cases treated with LMWH. From these results we conclude that fluctuation of TAT was not influenced by the type of heparin (UFH or LMWH), and that the course of DIC for the following week can be predicted by the changes in plasma TAT levels one day after starting anticoagulant therapy.

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