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J Thorac Cardiovasc Surg 2009;138:674-677
© 2009 The American Association for Thoracic Surgery

Acquired Cardiovascular Disease

A new vascular ring connector in surgery for aortic dissection

Jeng Wei, MD, MSD*, Chung-Yi Chang, MD, Yi-Cheng Chuang, MD, Sung-How Sue, MD, Kuo-Chen Lee, MD, David Tung, MD

Heart Center, Cheng-Hsin Rehabilitation Medical Center, Taipei, Taiwan

Received for publication November 23, 2008; revisions received January 6, 2009; accepted for publication February 1, 2009.

* Address for reprints: Jeng Wei, MD, MSD, Director of Heart Center, Cheng-Hsin Rehabilitation Medical Center, 45 Cheng-Hsin Street, Pei-Tou, Taipei, 112, Taiwan. (Email: jengwei{at}mac.com).

Objective: To improve the surgical results of aortic dissection, we used a novel vascular ring connector for anastomosis.

Methods: The vascular ring connector is a titanic ring used as a stent in the vascular graft to achieve a quick, blood-sealed, and sutureless anastomosis. From November 2007 to December 2008, 19 consecutive patients (age range 36–77 years; 16 male and 3 female) with aortic dissection underwent open surgery. All patients received aortic reconstruction with vascular grafts (including 5 cases of arch replacement). The combined procedures were 5 Bentall and 4 coronary artery bypass graft operations.

Results: There were no significant blood leaks from the anastomotic sites. The time required for each anastomosis was 1 to 2 minutes. All patients were discharged uneventfully and are still doing well after a follow-up period of 1 to 12 months.

Conclusion: The vascular ring connector may improve the early surgical results of aortic dissection by reducing both the time for anastomosis and the risk of bleeding and may be an alternative technique for aortic reconstruction. Its usefulness in the routine treatment of aortic dissection warrants further evaluation.

Abbreviations and Acronyms CPB = cardiopulmonary bypass; VRC = vascular ring connector






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