The postoperative fibrinolytic shutdown: a rapidly reverting acute phase pattern for the fast-acting inhibitor of tissue-type plasminogen activator after trauma

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Abstract
Kluft C, Verheijen JH, Jie AFH, Rijken DC, Preston FE, Sue-Ling HM, Jespersen J, Aasen AO. The postoperative fibrinolytic shutdown: a rapidly reverting acute phase pattern for the fast-acting inhibitor of tissue-type plasminogen activator after trauma. Scand J Clin Lab Invest 1985; 45: 605–610. The plasma activity level of the recently discovered fast-acting inhibitor of tissue-type plasminogen activator (t-PA) was found to be temporarily increased after surgery, myocardial infarction and severe trauma. Detailed analysis of the postoperative period revealed simultaneously increased t-PA antigen and inhibition and decreased t-PA activity only on the first postoperative day. These changes were more rapid than those in fibrinogen and C-reactive protein. It is concluded that t-PA inhibition shows the most rapidly changing pattern observed so far in response to trauma. The postoperative fibrinolytic shutdown in blood fibrinolytic activity can be ascribed to a primary increase in t-PA inhibitor levels.