PURPOSE: This study reviewed the long-term outcome of patients who underwent open repair of infrarenal abdominal aortic aneurysms (AAAs). METHODS: A retrospective study of 208 patients (188 men and 20 women) with a mean age of 65.6 years who survived elective or emergency open repair of an infrarenal AAA was conducted at a university referral hospital. Main outcome measures included late graft-related complications, survival free from any reintervention, survival free from any vascular reintervention, and overall survival rates. RESULTS: Late graft-related complications occurred in 32 patients (15.4%). A proximal para-anastomotic pseudoaneurysm developed in six patients (2.9%), and a distal pseudoaneurysm developed in 18 patients (8.7%); in seven of these cases (3.4%), it was bilateral or recurrent. A graft limb occlusion occurred in 11 patients (5.3%). These complications required 37 surgical or other invasive procedures in 27 patients (13.0%). Thirty-one vascular and/or endovascular reoperations were performed. The 5-year, 10-year, and 15-year survival free from any reintervention rates were 91.5%, 86.2%, and 72.0%, respectively. At the same intervals, the survival free from any vascular reintervention rates were 93.8%, 88.5%, and 73.9%, respectively, and the overall survival rates were 66.8%, 39.4%, and 18.0%, respectively. Complications associated with a ruptured femoral artery pseudoaneurysm, a ruptured aortic pseudoaneurysm, an aortoduodenal fistula, and the elective repair of a femoral pseudoaneurysm were the graft-related causes of death, which occurred in four patients (1.9%). Age (P <.0001) and chronic obstructive pulmonary disease (P =.002) were shown by means of multivariate analysis to be predictive of poor survival outcome, and chronic obstructive pulmonary disease (P =.02) and lower limb ischemia (P =.04) were shown to be associated with an increased need for vascular reinterventions to treat graft-related complications. CONCLUSION: Open repair of infrarenal AAAs can achieve satisfactory 15-year follow-up rates of survival free from reintervention for any graft-related complications, suggesting that surgery should still be considered the procedure of choice for infrarenal AAAs, at least in patients who are fit for surgery.
PURPOSE: This study reviewed the long-term outcome of patients who underwent open repair of infrarenal abdominal aortic aneurysms (AAAs). METHODS: A retrospective study of 208 patients (188 men and 20 women) with a mean age of 65.6 years who survived elective or emergency open repair of an infrarenal AAA was conducted at a university referral hospital. Main outcome measures included late graft-related complications, survival free from any reintervention, survival free from any vascular reintervention, and overall survival rates. RESULTS: Late graft-related complications occurred in 32 patients (15.4%). A proximal para-anastomotic pseudoaneurysm developed in six patients (2.9%), and a distal pseudoaneurysm developed in 18 patients (8.7%); in seven of these cases (3.4%), it was bilateral or recurrent. A graft limb occlusion occurred in 11 patients (5.3%). These complications required 37 surgical or other invasive procedures in 27 patients (13.0%). Thirty-one vascular and/or endovascular reoperations were performed. The 5-year, 10-year, and 15-year survival free from any reintervention rates were 91.5%, 86.2%, and 72.0%, respectively. At the same intervals, the survival free from any vascular reintervention rates were 93.8%, 88.5%, and 73.9%, respectively, and the overall survival rates were 66.8%, 39.4%, and 18.0%, respectively. Complications associated with a ruptured femoral artery pseudoaneurysm, a ruptured aortic pseudoaneurysm, an aortoduodenal fistula, and the elective repair of a femoral pseudoaneurysm were the graft-related causes of death, which occurred in four patients (1.9%). Age (P <.0001) and chronic obstructive pulmonary disease (P =.002) were shown by means of multivariate analysis to be predictive of poor survival outcome, and chronic obstructive pulmonary disease (P =.02) and lower limb ischemia (P =.04) were shown to be associated with an increased need for vascular reinterventions to treat graft-related complications. CONCLUSION: Open repair of infrarenal AAAs can achieve satisfactory 15-year follow-up rates of survival free from reintervention for any graft-related complications, suggesting that surgery should still be considered the procedure of choice for infrarenal AAAs, at least in patients who are fit for surgery.
Authors: Robert M Zwolak; Anton N Sidawy; Roy K Greenberg; Marc L Schermerhorn; Rebecca J Shackelton; Flora S Siami Journal: J Vasc Surg Date: 2008-07-23 Impact factor: 4.268
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