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Article |

The Effect of Suprarenal Cross-Clamping on Abdominal Aortic Aneurysm Repair

William L. Breckwoldt, MD; William C. Mackey, MD; Michael Belkin, MD; Thomas F. O'Donnell Jr, MD
Arch Surg. 1992;127(5):520-524. doi:10.1001/archsurg.1992.01420050040004.
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• Two hundred five patients who underwent elective abdominal aortic aneurysm repair were divided into two groups: those who underwent infrarenal cross-clamping alone (n = 166) and those who underwent suprarenal cross-clamping alone or combined with infrarenal cross-clamping (n=39). Mortality was comparable between groups (1.2% for infrarenal cross-clamping vs 2.6% for suprarenal cross-clamping). Transient renal insufficiency was more frequent in the suprarenal group than in the infrarenal group (28% vs 10%), but dialysis rates (3% for suprarenal vs 2% for infrarenal) were similar. Cardiac morbidity was comparable between groups as well. Operating room data reflected the technical challenge of complex aneurysm repairs. The retroperitoneal approach was the preferred exposure in the suprarenal group since better access to the suprarenal aorta may be achieved with this technique. While abdominal aortic aneurysm repairs requiring suprarenal crossclamping remain a technical challenge, the risks are not formidable and suprarenal cross-clamping should be considered when confronted with difficult periaortic dissection.

(Arch Surg. 1992;127:520-524)


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