Experimental study of microarterial autografts for repair of arterial defects with significant size discrepancy

On the basis of our years of clinical experience using the "unequal bite" suturing technique to perform end-to-end anastomosis of vessel with great discrepancy in diameter, an animal experimental study was performed in which an arterial defect, 1.0 to 1.4 mm in diameter, was reunited through the autogenous arterial graft, which was 0.3 to 0.4 mm in diameter. A high patency rate (95% in total) was obtained postoperatively. A small autogenous arterial graft may be used for repairing a large-caliber arterial defect clinically.