• A Kowal-Vern, R L Gamelli, J M Walenga, D Hoppensteadt, M Sharp-Pucci, and H R Schumacher.
• Department of Pathology, Loyola University Medical Center, Maywood, IL 60153.
• J Trauma. 1992 Jul 1; 33 (1): 50-6; discussion 56-7.

AbstractThe effect of burn wound size on the activation of fibrinolysis, coagulation, and contact factors was analyzed in 60 thermal injury patients. Blood samples from 47 male patients and 13 female patients, (average age 37 years; range 1.5-70 years) were collected within the first 36 hours and at 5-7 days following injury. The patient population was categorized by percentage of burn (second degree and/or third degree): less than 20%, n = 22; 20%-40%, n = 18; greater than 40%, n = 20. The average percentage of burn was 32% (range, 4%-95%). The mechanism of injury was by flame (25), explosion and flame (19), scald (12), electric (3), or chemicals (1). An associated inhalation injury was present in 12 patients. The overall mortality rate was 13% (8). Sepsis or serious infection occurred in 23% (14) of the patients. On admission, 83% of the patients had normal prothrombin times (PT) and activated partial thromboplastin times (APTT). However, specific hemostatic variables showed marked changes. Admission hemostatic markers that correlated with the severity of injury were: tissue-plasminogen activator (tPA), plasminogen activator inhibitor (PAI), D-dimer (D-di), plasminogen (Plg), proteins C and S (PrC and PrS), antithrombin III (ATIII), thrombin-antithrombin complex (TAT), kallikrein (Kal:c), kinin (Kin), C1 esterase inhibitor (C1Inh), and factor VII clotting and antigen (FVII:c, FVII:ag). These data suggest that during the early course following burn injury, thrombogenicity is increased (TAT increases) because of a decrease in ATIII, PrC, and PrS; and fibrinolysis activation (D-di increases) occurs via an increase in tPA with a p value increase in PAI.(ABSTRACT TRUNCATED AT 250 WORDS)

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