Abstract
Intrapericardial diaphragmatic hernias are reported very rarely. Those of congenital origin are most often diagnosed in neonates, and those caused by indirect blunt trauma occur chiefly in adults. The latter type can be asymptomatic; however, the results of a computed tomographic scan can yield a definitive diagnosis. Once discovered, these hernias should be corrected to avoid severe sequelae such as bowel strangulation and necrosis, peritonitis, mediastinitis, and cardiac tamponade. We report the case of a 78-year-old woman who presented for elective ascending aortic aneurysm repair. Computed tomographic angiograms incidentally revealed a large intrapericardial diaphragmatic hernia, which had probably developed years earlier, after a traffic accident. The patient underwent a median sternotomy and repair of the intrapericardial diaphragmatic hernia with use of a bovine pericardial patch, followed by ascending aortic and hemiarch repair, aortic valve repair, and aorto-right coronary artery bypass grafting. We discuss the details of these procedures and alternative treatment options. To our knowledge, this is the first report of concomitant aortic surgery and repair of a trauma-induced intrapericardial diaphragmatic hernia in an adult.
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