Vascular connector devices increase the availability of minimally invasive cardiac surgery to ischemic heart patients
نویسندگان
چکیده
The revival of off-pump cardiac surgery and the exploration of less invasive techniques for coronary artery bypass grafting, have lead to an increasing technical difficulty, as compared to conventional surgery using cardiopulmonary bypass. The moving target vessel in off-pump coronary artery bypass surgery, as well as the increasingly limited space in minimally invasive cardiac surgery were not convenient to many surgeons, a fact that lead many surgeons to deprive their patients the potential benefits of these techniques. Since the 1950's, surgeons have attempted to make the anastomotic procedure less cumbersome and less time consuming. Many creative ideas and devices were made, but for many different reasons, they eventually faded away. Since then, hand-sewn anastomoses have been the standard of care in coronary artery bypass grafting. Today, with the obvious need for a facilitated and fast coronary anastomosis, interest in these anastomotic devices has been re-awakened. The exact geometry, physiology and dynamics of the perfect anastomosis have thus been studied, in an attempt to provide an understanding of reasons behind anastomosis and graft failure after coronary artery bypass surgery, and eventually design the best performing device. These devices would allow for a faster, more accurate and a more reproducible coronary anastomosis using minimally invasive techniques. Also, due to a short learning curve, the standardization of percutaneous devices would allow much more surgeons to more widely adopt less invasive techniques. In summary, we see anastomotic devices as a solution to the technical challenges surgeons encounter with minimally invasive coronary artery bypass grafting.
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