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Abdominal aortic aneurysm and significant coronary artery disease: strategies and options
Jean Marie Ruddy1, William Yarbrough, Thomas Brothers
1Division of Vascular Surgery, Medical University of South Carolina, Charleston, SC 29425, USA. ruddy@musc.edu
Insights
Treating coronary artery disease (CAD) and abdominal aortic aneurysm (AAA) together is challenging. Staged or concomitant surgical repair, especially with minimally invasive options, shows promise for high-risk patients.
Area of Science:
- Cardiovascular Surgery
- Vascular Surgery
- Interventional Cardiology
Background:
- Managing patients with concurrent coronary artery disease (CAD) and abdominal aortic aneurysm (AAA) presents significant therapeutic challenges.
- Optimal surgical strategies for these high-risk individuals are not well-defined.
Purpose of the Study:
- To evaluate the safety and efficacy of different treatment approaches for patients with both CAD and AAA.
- To compare outcomes of staged versus concomitant surgical interventions.
Main Methods:
- Retrospective analysis of 32 patients with symptomatic or large AAA and significant CAD.
- Interventions included staged coronary artery bypass grafting (CABG) followed by open AAA repair, staged coronary angioplasty before open AAA repair, staged CABG followed by endovascular aneurysm repair, and concomitant CABG and AAA repair.
Main Results:
- Fifteen patients undergoing staged CABG then open AAA repair had a 13% mortality from aneurysm rupture.
- No major complications occurred in patients receiving staged coronary angioplasty or staged CABG with endovascular AAA repair.
- Ten patients undergoing concomitant CABG and AAA repair had a 10% intraoperative mortality, with no significant difference in morbidity compared to staged procedures.
Conclusions:
- Minimally invasive coronary revascularization and aortic aneurysm repair are safe and effective for select high-risk patients.
- Both staged and concomitant CABG and AAA repair are viable options, particularly when minimally invasive techniques are not feasible.
Objectives:
The optimal treatment for patients requiring intervention for coronary artery disease (CAD) and concomitant large or symptomatic abdominal aortic aneurysm (AAA) remains problematic.
Methods:
Retrospective analysis was performed of 32 patients with symptomatic or large (> cm) AAA along with significant CAD treated over the past fifteen years at a university hospital.
Results:
Mean AAA diameter was 6.6 cm. CAD involved 3 or more vessels in all patients. Fifteen patients underwent staged coronary artery bypass grafting (CABG) followed by open AAA repair, with two (13%) dying as a result of aneurysm rupture in the early postoperative period. No major complications were encountered among five patients receiving staged coronary angioplasty before open AAA repair and two patients undergoing staged CABG followed by endovascular aneurysm repair. Ten patients underwent concomitant CABG and AAA repair, with a single intraoperative death (10%). No differences in morbidity were observed among patients undergoing concomitant procedures as compared with those subjected to staged procedures.
Conclusions:
Minimally invasive interventions for coronary revascularization and aortic aneurysm repair appear to be safe and effective options in properly selected high-risk patients. While optimal management must be individualized, these data suggest that either staged or concomitant CABG and AAA repair may be viable options when minimally invasive interventions are not feasible.
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