“…Several possible factors have been indicated, such as the release of vasoactive substances from the liver graft or the recipient gut-potassium, acids, prostanoids, bradykinin, interleukins-along with hypovolemia, hypothermia, or small air or thrombotic emboli (Chui et al, 2000;Ricciardi et al, 2002). Several possible factors have been indicated, such as the release of vasoactive substances from the liver graft or the recipient gut-potassium, acids, prostanoids, bradykinin, interleukins-along with hypovolemia, hypothermia, or small air or thrombotic emboli (Chui et al, 2000;Ricciardi et al, 2002).…”