[Acute poisoning by carbon monoxide from personal examinations 1966-1985].

Acute poisoning by carbon monoxide (CO) in Kraków takes the third place after drug and alcohol poisoning. When natural gas came into use, the incidence of acute CO poisoning decreased profoundly. But mortality rate of this poisoning can still tell how severe it is. The authors presented the relation between the incidence rate, complications and mortality rate of CO poisoning and the source of this gas emission. 243 subjects were treated in the intensive Toxicological Care Unit from 1966 to 1985, and during the first 10 years lighting gas was the main cause of the poisoning but during the second the poisoning was mainly caused by CO produced by incomplete combustion of some components of natural gas. This 20-year period was characterized by routine treatment. The change of CO emission source introduced in 1976 had not radical statistical influence on the clinical picture, complications, mortality of CO poisoning.