Coagulation Defects of Aflatoxin Intoxicated Rabbits
1987
Baker, D. C. | Green, R. A.
Twelve New Zealand white rabbits were intoxicated with aflatoxin B₁. Most rabbits developed a coagulation defect near the time of death. Immediately prior to death there were significant decreases in factors V, VII, and VIII coagulant activities and fibrinogen concentration without a change in plasma fibrin(ogen) degradation product concentration, platelet number, and detectable plasma fibrin monomers. Microscopic evidence of disseminated intravascular coagulation was present in one rabbit with marked, diffuse hepatic necrosis. Terminal serum albumin concentration was significantly correlated to plasma factors V and VII activities and fibrinogen concentration. The coagulation defect of aflatoxicosis is primarily due to diminished hepatic synthesis of coagulation factors except when hepatic necrosis is severe enough to initiate intravascular coagulation and consumption of coagulation factors.
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