Pseudomembranous colitis is a disease caused by Clostridium difficile that predominantly affects the lower gastrointestinal tract. Its main risk factors are antibiotic use, advanced age and hospitalization. We used the keywords Pseudomembranous colitis, Clostridium difficile, Antibiotics, Pseudomembranous, Fulminant colitis, and the search was performed in PubMed, Virtual Health Library-Brazil, Embase and Scopus. Pathogenesis is not fully understood. The most frequent clinical presentation occurs with typical symptoms. Laboratory identification of C. difficile toxin in the stool sample and / or viewing pseudomembranes in endoscopy are essential for a definitive diagnosis. The initial drug treatment is available, however many complications can occur, and surgery may be performed for the most severe cases. The current available technologies are not yet able to resolve all cases. So many other challenges must be overcome regarding the treatment and its pathogenesis, especially in refractory and recurrent disease.
The abdominal aortic aneurysm (AAA) can present a serious complication, which is rupture, which is associated with a high mortality rate. As a result, the early surgery of ruptured abdominal aortic aneurysm can provide greater survival for these patients. However, there are two methods to do this fix. This article makes a bibliographical revision, in order to compare the procedures used in this emergency surgery (open and endovascular surgery technique), with the purpose of defining which approach offers greater benefit.
The aim of this article is to compare the procedures used in the treatment of ruptured abdominal aortic aneurism, in order to determine the best approach to this urgency. Methods: The rupture of abdominal aortic aneurysm is a serious complication, with high mortality rate. Early surgery is related to great survival of these patients. However, there are two methods of treatment (open and endovascular surgery). The present study is a review of the literature in PubMed, UpToDate, Scopus and Scielo databases, using the key words "aneurysm, aortic aneurysm, abdominal aorta", "rupture", "aortic surgery", "endovascular procedure", "angioplasty", "endoluminal repair", "percutaneous transluminal angioplasty". We included English and Portuguese language articles, published between 2006 and 2015, addressing the treatment of the ruptured aneurysm of abdominal aorta. Conclusion: Significant differences in the mortality rates of open surgery compared to the endovascular treatment of ruptured aneurysm definitely have not been demonstrated. There is some evidence that perioperative (30 days) results after endovascular aneurysm correction of ruptured aneurism can be better than open repair.
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