What effect does laser energy have on blood vessels during surgical procedures?

Laser energy has a significant effect on blood vessels during surgical procedures by coagulating them to minimize blood loss. This process, known as hemostasis, is achieved because lasers can precisely target and thermally affect tissue, leading to rapid clotting of blood in the vessels. When the laser is applied, the heat generated causes the proteins in the blood and vessel walls to denature and coagulate, forming a clot that effectively seals off the vessel. This not only reduces the risk of excessive bleeding during surgery but also promotes a cleaner surgical field, enhancing visibility for the surgeon.

The use of lasers in this manner is highly beneficial compared to traditional methods of controlling bleeding, as it reduces trauma to surrounding tissues and can often result in less postoperative recovery time for patients.