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Online ISSN 1827-1596
Iannuzzi M., D’Ignazio N., Bressy L., De Sio A.
Intensive Care Unit, Santa Maria delle Grazie Hospital, Pozzuoli, Naples, Italy
Scombroid fish poisoning (scombrotoxism, scombroid ichthyotoxicosis) is a food-related illness typically associated with the consumption of dark and white meat fish. Two patients presented to the emergency department. Metilprednisone 1 000 mg and ranitidine 150 mg were administered initially. A large amount of crystalloids and colloids in in combination with vasoactive drugs were required to maintain normopressure. Levels of histamine and N-methylhistamine were far above the normal mean. Carboxyhemoglobin levels were also tested to exclude a superimposition of carbon monoxide intoxication. In both cases, major symptoms occurred and were treated aggressively. Early goal directed fluid therapy corrected the DO2/VO2 unbalance, due to a distributive pattern of hypovolemic impending shock, and permitted a rapid stabilisation of both patients. It is important to recognize the syndrome as an intoxication (rather than an allergic reaction) so that the source of the toxin can be identified and further cases prevented. It is also important to investigate where the fish was cooked (i.e. in an open space vs. closed space), to exclude the possibility of a concomitant carbon monoxide intoxication, which would require transfer the patient to a hospital facility equipped with a hyperbaric chamber.