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[Injuries of the rectum in barium contrast enema].

Perforation of the rectum during a barium enema can be catastrophic. Most reports and in our experience too, the lethality in these patients is more than 50%. This effect of barium is not widely appreciated. Injections of barium sulfate with faeces, of commercial barium both sterile and unsterile into the peritoneal cavity and barium perforation were fatal in 20--48 hours in the dog without further treatment. This study shows that the repair of a barium perforation should be considered as one of the most important emergency procedures. Operative methods and problems are described.