[Epidemiology of malignant hyperthermia in Piedmont and Valle d'Acosta. A study conducted with 2 different methods].

The Authors report on the results of two researchers about malignant hyperthermia (MH) carried out in Piemont and Valle D'Aosta using two different methods. The former, based on a form sent to 492 anaesthesists got 22.7 per cent answers. They indicated 4 cases of MH during the years between 1982 and 1986, out of 213,444 narcoses with an average rate of 1:71,000. The latter was canned and by questioning directly the head physicians of anaesthesia and reanimation wards about the occurrence of MH in Piemont and Valle D'Aosta in the years between 1984 and 1988. According to this research, there were 5 cases out of 891,729 narcoses (that is 1:178,346).