Abstract
The beneficial effects of open surgical abdominal aortic aneurysm (AAA) repair via a left retroperitoneal approach have been established. We compared the short-term outcome of infrarenal AAA repair via an endovascular approach with that of an open retroperitoneal approach. From October 2001 to April 2003, patients with infrarenal AAA >5 cm were offered repair via an endovascular approach (group I) with a variety of industry-made stent grafts or with an open retroperitoneal surgical approach (group II). Data were prospectively collected in the vascular registry and complications were analyzed. Data comparison between the two groups was done by using chi-squared analysis and two-tailed Students t-test. Statistical significance was identified at p < 0.05. Over an 18-month period, 492 patients underwent evaluation for AAA. Of these, 446 patients had infrarenal AAA and underwent either endovascular (group I: n = 175, male 85%, female 15%) or open surgical repair (group II: n = 232, male 74%, female 26%) via a left retroperitoneal approach. Group I patients had a higher incidence of coronary artery disease (66% vs. 35%, p < 0.05), hypertension (74% vs. 43%, p < 0.05), chronic obstructed pulmonary disease (29% vs. 12%, p < 0.05), and diabetes mellitus (20% vs. 7%, p < 0.05), a lower mean amount of intraoperative blood loss (277 cc vs. 1452 cc, p < 0.05), and shorter length of stay in the hospital (1.7 days vs., 7.3 days, p < 0.05). Group I also had fewer complications of myocardial infarction (1.7% vs. 5.2%, p = NS), renal failure (0% vs. 2.6%, p < 0.05), pulmonary failure (1.7% vs. 2.6%, p = NS), ischemic colitis requiring colectomy (0.6% vs. 2.6%, p < 0.05), multisystem organ failure (0% vs. 1.3%, p = NS), and death (0.6% vs. 1.3%, p < 0.05). Despite increased preexisting comorbidities, patients undergoing endovascular aneurysm repair had less morbidity, mortality, and blood loss and a shorter in-hospital length of stay than patients undergoing open surgical aneurysm repair via a left retroperitoneal approach.
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Mehta, M., Roddy, S.P., Darling, R.C. et al. Infrarenal Abdominal Aortic Aneurysm Repair via Endovascular Versus Open Retroperitoneal Approach. Ann Vasc Surg 19, 374–378 (2005). https://doi.org/10.1007/s10016-004-0172-9
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DOI: https://doi.org/10.1007/s10016-004-0172-9