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Lower Perioperative Mortality with Endovascular Vs. Open Abdominal Aortic Aneurysm Repair

Clinical question: How do perioperative and long-term morbidity and mortality compare in endovascular and open repair of abdominal aortic aneurysm (AAA)?

Background: Open AAA repair has relatively high perioperative mortality. Endovascular repair was developed as a less-invasive option and has been shown to reduce inpatient perioperative mortality, length of hospital stay, and ICU requirement. However, data suggest it leads to more frequent reinterventions and the same mortality rate as open repair at two years.

Study design: Randomized clinical trial.

Setting: Veterans Affairs medical centers.

Synopsis: The study randomized 881 veterans who planned to have elective AAA repair and were eligible for both endovascular and open repair. This is a planned, two-year interim report in a nine-year study.

Perioperative mortality was 0.5% in the endovascular repair group, compared with 3.0% in the open repair group. However, this difference in mortality was not statistically significant at two years. The endovascular repair group experienced shorter procedure and mechanical ventilation time, decreased hospital and ICU stay, and lower rate of blood transfusions.

Overall, there was no difference between the groups for major morbidity, procedure failure, need for secondary therapeutic intervention, quality of life, or erectile dysfunction. More data on long-term comparison of these two interventions will be available at the conclusion of this study.

Bottom line: Endovascular repair of AAA has lower perioperative mortality than open repair but did not lead to improved morbidity or mortality at two years.

Citation: Lederle FA, Freischlag JA, Kyriakides TC, et al. Outcomes following endovascular vs. open repair of abdominal aortic aneurysm: a randomized trial. JAMA. 2009;302 (14):1535-1542.

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The Hospitalist - 2014(10)
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Clinical question: How do perioperative and long-term morbidity and mortality compare in endovascular and open repair of abdominal aortic aneurysm (AAA)?

Background: Open AAA repair has relatively high perioperative mortality. Endovascular repair was developed as a less-invasive option and has been shown to reduce inpatient perioperative mortality, length of hospital stay, and ICU requirement. However, data suggest it leads to more frequent reinterventions and the same mortality rate as open repair at two years.

Study design: Randomized clinical trial.

Setting: Veterans Affairs medical centers.

Synopsis: The study randomized 881 veterans who planned to have elective AAA repair and were eligible for both endovascular and open repair. This is a planned, two-year interim report in a nine-year study.

Perioperative mortality was 0.5% in the endovascular repair group, compared with 3.0% in the open repair group. However, this difference in mortality was not statistically significant at two years. The endovascular repair group experienced shorter procedure and mechanical ventilation time, decreased hospital and ICU stay, and lower rate of blood transfusions.

Overall, there was no difference between the groups for major morbidity, procedure failure, need for secondary therapeutic intervention, quality of life, or erectile dysfunction. More data on long-term comparison of these two interventions will be available at the conclusion of this study.

Bottom line: Endovascular repair of AAA has lower perioperative mortality than open repair but did not lead to improved morbidity or mortality at two years.

Citation: Lederle FA, Freischlag JA, Kyriakides TC, et al. Outcomes following endovascular vs. open repair of abdominal aortic aneurysm: a randomized trial. JAMA. 2009;302 (14):1535-1542.

Clinical question: How do perioperative and long-term morbidity and mortality compare in endovascular and open repair of abdominal aortic aneurysm (AAA)?

Background: Open AAA repair has relatively high perioperative mortality. Endovascular repair was developed as a less-invasive option and has been shown to reduce inpatient perioperative mortality, length of hospital stay, and ICU requirement. However, data suggest it leads to more frequent reinterventions and the same mortality rate as open repair at two years.

Study design: Randomized clinical trial.

Setting: Veterans Affairs medical centers.

Synopsis: The study randomized 881 veterans who planned to have elective AAA repair and were eligible for both endovascular and open repair. This is a planned, two-year interim report in a nine-year study.

Perioperative mortality was 0.5% in the endovascular repair group, compared with 3.0% in the open repair group. However, this difference in mortality was not statistically significant at two years. The endovascular repair group experienced shorter procedure and mechanical ventilation time, decreased hospital and ICU stay, and lower rate of blood transfusions.

Overall, there was no difference between the groups for major morbidity, procedure failure, need for secondary therapeutic intervention, quality of life, or erectile dysfunction. More data on long-term comparison of these two interventions will be available at the conclusion of this study.

Bottom line: Endovascular repair of AAA has lower perioperative mortality than open repair but did not lead to improved morbidity or mortality at two years.

Citation: Lederle FA, Freischlag JA, Kyriakides TC, et al. Outcomes following endovascular vs. open repair of abdominal aortic aneurysm: a randomized trial. JAMA. 2009;302 (14):1535-1542.

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The Hospitalist - 2014(10)
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The Hospitalist - 2014(10)
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Lower Perioperative Mortality with Endovascular Vs. Open Abdominal Aortic Aneurysm Repair
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Lower Perioperative Mortality with Endovascular Vs. Open Abdominal Aortic Aneurysm Repair
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