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Predictors of Success and Need for Distal Bypass

David C. Brewster, MD; Bruce A. Perler, MD; Jay G. Robison, MD; R. Clement Darling, MD

Arch Surg. 1982;117(12):1593-1600.

Abstract
• Results of aortofemoral reconstruction of 181 consecutive patients with multilevel occlusive disease were reviewed and correlated with possible predictors of outcome. Overall, 74% of patients attained satisfactory relief of ischemic symptoms with proximal operation alone. Forty-six patients (26%) had an unsatisfactory result, 31 (17%) of whom underwent distal bypass grafts. Of 42 variables studied, 12 achieved statistical significance as predictors of outcome, and multivariate analysis identified five factors as independent indicators. Factors documenting hemodynamically significant inflow disease were associated most strongly with a good result. Several noninvasive laboratory variables were found helpful, particularly in assessing the hemodynamic compensation of distal disease. While no single variable reliably indicated the definite need for distal grafting, careful consideration of important factors together with the clinical situation will aid the surgeon in selection of the small group of patients best treated by synchronous aortofemoral and femoropopliteal grafts.

(Arch Surg 1982;117:1593-1600)

Author Affiliations
From the General Surgical Services, Massachusetts General Hospital, and Department of Surgery, Harvard Medical School, Boston.

Footnotes
Accepted for publication July 12, 1982.

Read before the 30th scientific meeting of the International Cardiovascular Society, Boston, June 19, 1982.

Reprint requests to 1 Hawthorne Pl, Boston, MA 02114 (Dr Brewster).

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