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[Rare causes of iatrogenic pericardial tamponade - 2 case reports].

Two rare causes of iatrogenic pericardial effusions are presented. In the first case, a 61-year-old woman who had undergone laparoscopic surgery for a diaphragmatic hernia was resuscitated without success the next day. As cause of death circulatory failure as a result of post-operative pulmonary embolism was reported. Autopsy results showed that the pericardium and the heart had been sewn to the diaphragm. The suture was torn from the tissue, which caused a hemorrhage into the pericardium and the chest cavity, so that death was diagnosed to be due to cardiac tamponade and hemothorax after an iatrogenic heart injury. In the second case, a 62-year-old man who had developed a massive incisional hernia after treatment of an abdominal gunshot wound underwent open herniotomy with mesh repair. Postoperatively, the man complained about increasing pain and shortness of breath. He was transferred to another hospital for further assessment, where a cardiac tamponade was diagnosed. Autopsy results showed that three of the plastic staples used to fix the mesh had perforated the diaphragm and the pericardium thus injuring the adjacent right ventricle with subsequent perforation and development of a hemopericardium.