Background: Endovascular repair of aortic diseases is a well-established therapeutic alternative for patients with the appropriate anatomy and/or high surgical risk, as it provides lower morbidity and mortality rates. This study aimed to analyse the outcomes of asymptomatic patients undergoing endovascular treatment of thoracic aortic dissections with an aortic diameter > 5.5 cm or endoleaks. Technical success, therapeutic success, morbidity, mortality, and perioperative complication and reintervention rates were assessed. Methods: The present retrospective study, which was performed at a reference centre from January, 2010 to July, 2011, analysed consecutive patients undergoing endovascular repair of chronic complicated type B aortic dissections based on the Stanford classification. Results: Twenty-six patients were treated. The mean age was 56.4 ± 7 years, and 61.5% were males. Technical and therapeutic success rates were 100% and 74%, respectively. The perioperative mortality was 7.6%, and the mortality rate in the first year of follow-up was 19.3%. The reintervention rate was 15.3%. Conclusions: In the present study, endovascular treatment of chronic type B aortic dissections proved to be a feasible method associated with acceptable perioperative complication rates. The therapeutic success and reintervention rates indicated the
Objective: To analyze treatment outcomes in a consecutive series of patients submitted to endovascular treatment of thoracic aortic disease. Technical success, therapeutic success, morbimortality, rate of perioperative complications and reinterventions were taken into consideration. Materials and Methods: The present retrospective study was developed in a reference center in the period from January 2010 to July 2011, involving patients submitted to endovascular treatment of thoracic aortic disease. The study population was divided into two groups: group 1 (G1) -true thoracic aortic aneurysms, aortic ulcer and pseudoaneurysm; group 2 (G2) -chronic type B aortic dissection. Results: Out of a total of 55 patients, 29 belonged to the G1 and 26 to the G2 group. Mean ages were 66.8 ± 10 and 56.4 ± 7 years, respectively. The technical and therapeutic success reached respectively 86.3% and 68.6% in G1 and 100% and 74% in G2. The perioperative mortality rate was 10.3% in G1 and 19.3% in G2. The reintervention rate was 10.3% in G1 and 15.3% in G2. Conclusion: In the present study, the endovascular treatment of thoracic aortic disease proved to be a feasible method associated with acceptable rate of complications. Keywords: Aneurysm; Vascular graft; Atherosclerosis.Objetivo: Analisar os resultados do tratamento de uma série consecutiva de pacientes submetidos a tratamento endovascular de doenças da aorta torácica. Foram observados o sucesso técnico, o sucesso terapêutico, a morbimortalidade e a taxa de complicações perioperatórias e de reintervenções. Materiais e Métodos: Estudo retrospectivo, realizado em um centro de referência, no período de janeiro de 2010 a julho de 2011, em que foram analisados pacientes submetidos a correção endovascular de doenças da aorta torácica. A população foi dividida em dois grupos: grupo 1 (G1) -aneurismas de aorta torácica verdadeiros, úlcera aórtica e pseudoaneurisma; grupo 2 (G2) -dissecção aórtica tipo B crônica. Resultados: Em um total de 55 pacientes tratados, 29 pertenciam ao G1 e 26, ao G2. As idades médias foram 66,8 ± 10 e 56,4 ± 7 anos, respectivamente. Os sucessos técnico e terapêutico foram, respectivamente, 86,3% e 68,6% no G1 e 100% e 74% no G2. A mortalidade perioperatória foi 10,3% no G1 e 7,6% no G2, com taxa de mortalidade anual de 10,3% no G1 e de 19,3% no G2. As taxas de reintervenções foram 10,3% e 15,3%, respectivamente. Conclusão: Em nosso estudo, o tratamento endovascular das doenças da aorta torácica demonstrou ser um método viável e associado a aceitáveis taxas de complicações. Unitermos: Aneurisma; Prótese vascular; Aterosclerose. . Aortic dissection is the most feared condition of the aorta and is twice as frequent as aortic rupture. The mortality rate associated with dissection ranges between 1% and 2% per hour, during the first 48 hours. Risk factors frequently associated with such condition include hypertension, cardiovascular and respiratory diseases. Dissection is three times more frequent in men than in women. The most common entry 7. PhD, Head
Background: Endovascular treatment has revolutionized the therapeutic approach to abdominal aortic aneurysms due to its low morbidity and mortality rates. Despite technological advances, there are still anatomical limitations to the use of stent grafts. This study aimed to evaluate the immediate clinical results in patients with complex abdominal aortic aneurysms treated with a second-generation stent graft. Methods: This was an observational, prospective, non-randomized, single-centre study with a series of patients who underwent endovascular repair of complex infra-renal abdominal aortic aneurysms using a stent graft with a dual-ring stent design (Anaconda TM , Vascutek-Terumo, Inchinnan, Scotland). Clinical and angiographic characteristics, technical and therapeutic success rates, morbidity and mortality, and perioperative reintervention rates were evaluated. Results: Between February 2010 and December 2011, 108 consecutive patients with aortic aneurysms were treated; 16 had complex abdominal aortic aneurysms treated with the Anaconda TM AAA Stent Graft System. The mean age was 76 ± 7 years and 75% were males. Technical success was observed in 94% of the cases and therapeutic success was achieved in 75% of the cases. There was one postoperative death. The most prevalent perioperative complications were surgical wound bleeding (2/16) and peripheral embolism (2/16). Reinterventions were required in 12.5% of the patients during follow-up. Conclusions: In this study, the second-generation Anaconda TM Stent Graft System was effective and provided satisfactory immediate results in the treatment of complex infra-renal abdominal aortic aneurysms.
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