Abstract

On the basis of the presence of fat in the urine, we found fat embolism in half of 109 persons moderately or severaly injured. The incidence after moderate injuries did not differ significantly from that after severe injuries. It was most common after fractures and burns but occurred in about one-fourth of other soft tissue injuries. The demonstration of free fat in the sputum was found to be an unreliable test for fat embolism. Neither a change in the emulsion of the circulating fat nor fat embolism occurred after a simulated “alarm reaction” in rabbits. Tween 80 did not have a significant effect in the treatment of fat embolism in rabbits.

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