• T Niemi, N Svartling, M Syrjälä, S Asko-Seljavaara, and P Rosenberg.
• Department of Anaesthesiology, Helsinki University Central Hospital, Finland.
• Blood Coagul. Fibrinolysis. 1998 Jan 1; 9 (1): 19-28.

AbstractBleeding is a major problem during early excision of burned skin. Therefore, 13 severely burned adult patients operated on during the first week after the trauma were studied. Blood loss was replaced with crystalloids, colloids and packed red cell concentrates (PRC). After ten infused PRCs, four fresh frozen plasma (FFP) units were given and thereafter one FFP unit with one PRC unit. Arterial blood samples were drawn before anaesthesia (SO), during operation after every four units of PRC transfusion (S1-4), 4 h postoperatively (S5) and on the first postoperative morning (S6). Prothrombin time (%) and activated partial thromboplastin time (s) were abnormal before operation (median values 67%, range 22-99% and 44 s, range 30-86 s, respectively). Prothrombin time decreased during operation and reached the critical level for normal haemostasis at S2. Thrombelastography showed decreased clot formation rate and impaired fibrin platelet interaction peri- and postoperatively. Fibrinogen and factor VIII activity were high preoperatively (median 6.1 g/l and 253%) and the critical values for normal haemostasis were not reached. Burned patients have a consumption coagulopathy which, in combination with haemodilution during operation, results in a clinically significant deficiency of coagulation factors II, VII and X, in spite of reactive elevation of coagulation factor VIII and fibrinogen.

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