Laser-assisted vascular anastomosis in liver surgery possibility of clinical application and it's problem

The influence of 70% hepatectomy on the healing process of arterial anastomosis was investigated in rats who underwent arterial reconstruction by the microscopic surgical techniques of laser-assisted vascular anastomosis(LAVA)and conventional sutured vascular anastomosis(CSVA). In bursting pressure and incidence of aneurysm formation at the anastomotic site, there was no significant difference between LAVA and CSVA. Incidence of calcification at the anastomotic site was significantly lower in LAVA than in CSVA. It was concluded that LAVA would be a useful option in vascular anastomosis, even during extended hepatectomy. Anastomosed vessels, especially for liver transplantation, are often different in diameter, wall thickness or nature. These specific situation are problematic and its investigation is mandatory for the clinical application of LAVA.