Objective To investigate the effection of ω-3 polyunsaturated fatty acids( PUFAs) on myocardial function in seriously burned patients. Methods 24 cases of seriously burned patients satisfying the inclusion criteria,ever treated in our hospital from Jan 2013 to Dec 2014,were randomly divided into two groups. Amedium- and long-chain fat emulsion injection( 20%) with conventional therapy were used to treat patients in the control group,and the treatment group were given ω-3 PUFA on the basis of conventional tr...