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Use of Carmeda-Coated Femoral-Femoral Bypass During Repair of Traumatic Aortic Pseudoaneurysms

Joseph P. Contino, MD; David M. Follette, MD; Herbert A. Berkoff, MD; Marc E. Pollock, MD; Hugo Bogren, MD; David H. Wisner, MD
Arch Surg. 1994;129(9):933-939. doi:10.1001/archsurg.1994.01420330047010.
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Objective:  To compare the results and outcomes of three different approaches to posttraumatic pseudoaneurysm repair: clamp and sew, left heart bypass, and the most recent approach, cardiopulmonary support using femoral-femoral bypass.

Design:  Retrospective series.

Setting:  A university-based, level 1 trauma center.

Patients:  Forty-two consecutive patients treated for posttraumatic aortic pseudoaneurysm whose mean (±SEM) Injury Severity Score was 37± 1.7.

Intervention:  Methods of repair included clamp and sew in nine patients, left heart bypass in 24 patients, and cardiopulmonary support in nine patients.

Methods:  Student's t test was used to compare intraoperative blood loss, need for blood transfusion, and aortic cross-clamp time. Complications and mortality were also reviewed.

Results:  Mean (±SEM) aortic cross-clamp time for clamp and sew was 28.1±3.3 minutes vs 52.5±3.7 for left heart bypass and 49.3±5.6 for cardiopulmonary support. Blood loss and the need for transfusion were comparable between groups. Complications were also comparable.

Conclusion:  Femoral-femoral cardiopulmonary support is safe to use, has a very low risk of complications, and should provide protection for the spinal cord during aortic repair. We encourage a randomized prospective trial to determine if cardiopulmonary support has a significantly lower rate of paraplegia than the clamp-and-sew technique.(Arch Surg. 1994;129:933-939)


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