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Ann Thorac Surg 2006;82:303-306
© 2006 The Society of Thoracic Surgeons

New technology

Experimental Study of One-Shot Vascular Anastomostic Device for Proximal Vein Graft Anastomoses

Luqi Liu, MD, PhD * , Junsheng Liu, MD, Meijia Zhu, MD, Shouxiang Hu, MD

Cardiac Department of Shandong Provincial Qianfoshan Hospital, Shandong University, Shandong Province, China

Accepted for publication January 24, 2006.

* Address correspondence to Dr Luqi Liu, Shandong Provincial Qianfoshan Hospital, 66 Jingshi Rd, Jinan, Shandong Province, 250014 China (Email: luqizh{at}public.jn.sd.cn).

PURPOSE: A new type of sutureless aortic-vein-graft vascular anastomostic device, One-Shot Vascular Anastomostic Device (Horologe Factory of Jinan City, Shandong Province, China) has been recently designed to create a one-shot anastomosis between the aorta and vein grafts for coronary artery bypass grafting surgery.

DESCRIPTION: Twelve pigs were scheduled for the test of the feasibility of the One-Shot Vascular Anastomostic Device for artery to vein graft anastomosis. In each animal one proximal anastomosis was performed by means of the One-Shot Vascular Anastomostic Device and the distal end was sutured in a conventional manner to serve as the animal own control. The anastomosis incorporating the abdominal main artery to the segment of a free external carotid vein to the external iliac artery is for the simulation of the aorta-vein anastomosis.

EVALUATION: The mean duration of the completion of the proximal anastomosis was 1.2 ± 1.2 minutes (range, 0.3–5.0 minutes). There was a significant difference between the control groups (p < 0.01). All vein grafts were still functioning at the end of the procedure. Pathologic studies and angiography demonstrated that the results were satisfactory.

CONCLUSIONS: This device enables rapid and safe completion of vascular anastomostic procedure. The vein graft was functioning well and incorporated into the vessel intima smoothly.




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A. M. Calafiore
Invited commentary.
Ann. Thorac. Surg., July 1, 2006; 82(1): 307 - 307.
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