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  • Title: Brachiocephalic revascularization: a comparison between carotid-subclavian artery bypass and axilloaxillary artery bypass.
    Author: AbuRahma AF, Robinson PA, Khan MZ, Khan JH, Boland JP.
    Journal: Surgery; 1992 Jul; 112(1):84-91. PubMed ID: 1621229.
    Abstract:
    Sixty-seven patients who underwent carotid-subclavian bypass (CSBP) (28 CSBPs only and eight with carotid endarterectomy) or axilloaxillary artery bypass (n = 31) with polytetrafluoroethylene grafts were followed up for a mean of 69.2 and 71.9 months, respectively. Indications for surgery in the CSBP group included hemispheric transient ischemic attack (TIA)/cerebrovascular accident in five, nonhemispheric TIA in seven, upper extremity ischemia in 15, and combined TIA and arm ischemia in nine patients. In the axilloaxillary artery group, two patients had hemispheric TIA, five had nonhemispheric TIA, 12 had upper extremity ischemia, and 12 had combined TIA and arm ischemia. Graft patency was determined clinically and confirmed by segmental Doppler pressures, duplex ultrasonography, or angiography. The 30-day mortality rate was approximately 3% in both groups. The 30-day complication rate was 3% for the axilloaxillary artery group and 8% for the CSBP group (not statistically significant). Relief of symptoms was achieved in 100% of patients in both groups; however, 20% of the patients in the axilloaxillary artery group had a recurrence of symptoms, in contrast to 5.6% in the CSBP group. The cumulative 10-year primary and secondary patency rates, calculated by life-table analysis, were 66% and 84.6% for the axilloaxillary artery procedures and 93.8% and 93.8% for the CSBP procedures, respectively (statistically significant). Concomitant carotid endarterectomy with CSBP did not influence graft patency. In conclusion, both bypasses have comparable morbidity and mortality rates; however, the CSBP has a statistically significantly better primary patency rate than the axilloaxillary artery bypass. Therefore CSBP should be the procedure of choice and the axilloaxillary artery bypass should be restricted to high-risk patients.
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