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Chirurgia 2005 October;18(5):287-90

language: English

Clinical evaluation of the aortic connector for proximal anastomoses in coronary bypass surgery

Setina M., Mokracek A., Bonilla L. F.


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Aim. Recently, new mechanical devices for both proximal and distal graft anastomoses have been developed. We describe our experience with the first generation of St. Jude Medical SymmetryTM Aortic Connector System for proximal vein graft to aorta anastomoses.
Methods. From June 2001 to September 2002, 258 patients underwent coronary artery bypass surgery (CABG) with the use of 365 connectors. An isolated CABG procedure was performed in 217 patients. In this group extracorporeal circulation (ECC) was used in 172 patients. A beating heart technique was used in 45 patients. We studied separately the on-pump and the off-pump groups. To compare the results, we have cross matched the group of connector patients with patients operated on using conventional suturing technique.
Results. We compared the intraoperative variables and postoperative complication rates for the connector and conventional suturing groups. The only difference that reached statistical significance in favor of the connector group was the duration of ECC (48.2 ( 22.6 min vs. 56.6 ( 14.7 min, p (0.001) and cross clamp time (26.3 ± 12.5 min vs 29.0 ± 8.9 min, p < 0.03). We did not find any statistically significant difference in the rest of evaluated variables. We noticed 14 technical complications. None of them led to unfavorable consequences to patients.
Conclusions. The aortic connector system decreases manipulation of the aorta, shortens the ECC time and allows the creation of geometrically perfect and uniform anastomosis.

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