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Published on: May 21, 2017
Management of acute aortic occlusion
Insights
Acute aortic occlusion management in elderly patients often involves extraanatomic bypass. Axillobifemoral bypass proved effective, with no amputations required in this patient cohort.
Area of Science:
- Vascular Surgery
- Cardiovascular Medicine
Background:
- Acute aortic occlusion typically affects elderly patients with severe cardiac conditions.
- Extraanatomic bypass has become a key management strategy for these complex cases.
Purpose of the Study:
- To evaluate the outcomes of surgical management for acute aortic occlusion in elderly patients.
- To assess the utility and risks of preoperative aortography in acute aortic occlusion.
Main Methods:
- Retrospective review of six patients (aged 55-87) with acute aortic occlusion.
- Surgical interventions included axillobifemoral bypass and aortofemoral thrombectomy.
- Analysis of perioperative complications, including renal failure and amputation rates.
Main Results:
- Four patients underwent successful axillobifemoral bypass, and one had an aortofemoral thrombectomy, with all survivors avoiding amputation.
- One operative death occurred.
- Two of three patients undergoing preoperative aortography experienced transient postoperative renal failure, suggesting limited diagnostic value and potential risk.
Conclusions:
- Axillobifemoral bypass is an effective treatment for acute aortic occlusion in elderly patients, offering limb salvage.
- Preoperative aortography should be used judiciously due to the risk of renal complications and limited diagnostic benefit.
Abstract:
Acute aortic occlusion is most often seen in elderly patients with advanced cardiac disease. The management of these patients has been facilitated by the use of extraanatomic bypass. Over the past 2 years, six patients aged 55 to 87 years presented to our medical center with acute aortic occlusion, three after major operative procedures. One patient had a thrombosed abdominal aortic aneurysm; in the other five patients differentiation between saddle embolus and thrombosis of the distal aorta was impossible. There was one operative death. Four of the other five patients underwent axillobifemoral bypass and one underwent aortofemoral thrombectomy. All survived, and none required amputation. Two of the three patients who underwent preoperative aortography developed transient renal failure postoperatively. Aortography is of little value in diagnosis and is probably contraindicated in acute aortic occlusion. Our recommendation for operative management includes (1) preparation of the patient for possible axillobifemoral bypass, (2) angiography of distal runoff via both femoral arteries, (3) attempt at bilateral aortofemoral embolectomy with Fogarty catheters, and (4) axillobifemoral bypass if embolectomy fails to restore normal pulsatile flow.
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