Abstract
Multiple agents can cause anaphylaxis in a perioperative setting. Identifying the agent responsible is essential for avoiding future adverse reactions as well as to attenuate the progression of anaphylaxis. Being able to distinguish an anaphylactic reaction from an anaphylactoid reaction would help clarify the therapeutic and medicolegal issues. Anaphylaxis generally occurs after reexposure to a specific antigen and requires the release of proinflammatory mediators from mast cells and basophils. An increased concentration of mast cell tryptase is a highly sensitive indicator of anaphylactic reactions during anesthesia. is a procoagulant hemocoagulase purified from venom of Bothrops jararaca, a Brazilian viper and in wide use in patients with high risk of bleeding. We report a case of suspected anaphylaxis to in a 67 years old female patient undergoing segmental resection of the liver with elevated concentration of serum mast cell tryptase.
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