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Traumatic rupture of the right hemidiaphragm.

Sixteen cases of traumatic disruption of the right hemidiaphragm are presented. Six tears were treated in the acute post-trauma phase and ten were detected from late manifestations. The causal trauma was penetrating in 11 cases and blunt in five. Rupture of the right hemidiaphragm not uncommonly occurs without serious associated injuries. Bowel often herniates through such tears, unhindered by the liver, though the liver is the most commonly herniating organ. No recurrence of hernia was found after standard repair techniques (mean follow-up 5.2 years). Three of the 16 patients died, one from associated injury, one from strangulation of herniated bowel and one from postoperative myocardial infarction. To demonstrate diaphragmatic tearing and subsequent organ herniation, serial chest radiographs and computed tomography are useful, and exploratory laporotomy should be done without delay after penetrating injury to the trunk. The treatment of diaphragmatic tear is surgical, with better results from early than from late repair.