New Approaches for Vascular Anastomoses.

Area of Science:

• Cardiovascular Surgery
• Biomedical Engineering
• Medical Devices

Background:

• Minimally invasive cardiac surgery necessitates advanced techniques for vascular anastomosis.
• Suturing methods for vascular anastomosis are the current standard but can be time-consuming.
• There is a need for facilitated methods that match or exceed suture performance.

Purpose of the Study:

• To review existing literature on mechanical vascular anastomosis.
• To present the development and performance of the Symmetry Bypass System.
• To evaluate the potential of mechanical devices to improve cardiac surgical procedures.

Main Methods:

• Extensive literature review on mechanical vascular anastomosis techniques.
• Presentation of author experience with the Symmetry Bypass System.
• Summary of animal testing (30-, 90-, 180-day follow-up) and human implant data for the Aortic Connector System.
• Inclusion of preliminary animal studies on a stainless steel coronary connector.

Main Results:

• The Symmetry Bypass System and Aortic Connector System have demonstrated successful outcomes in animal and human studies.
• Over 250 successful human implants have been performed with the Aortic Connector System.
• Preliminary data suggests the stainless steel coronary connector is also promising.
• Mechanical devices reduce anastomosis time and eliminate the need for aortic clamping and cardiopulmonary bypass.

Conclusions:

• Facilitated mechanical vascular anastomosis devices can achieve quality and patency rates comparable to sutures.
• These devices significantly reduce surgical time and complications.
• Mechanical anastomosis may facilitate the advancement of endoscopic and percutaneous bypass surgeries.