Background And Objective: A combined Ho:YAG/Nd:YAG laser produces light with properties similar to the beams of the mainly coagulating Nd:YAG laser and the cutting CO2 laser alone.
Patients/methods: The combined laser was tested in vitro on pig tissue. Additionally, we used this new combined tool for enoral operations.
Results: An effect of the pulsed Ho:YAG laser was explosive-like tissue disruption and sprinkling of fragments. Simultaneous use of the Nd:YAG laser resulted in an enlarged zone of coagulation. Clinically, the laser-assisted intervention was inferior to the classic operational methods.
Conclusions: Comparing the established CO2 laser and the Ho:YAG laser, the latter showed only the advantage of delivery via a flexible fiber. Sprinkling of tissue fragments and wide incisions are oncologically problematic. We conclude that this new tool is of minor value for otorhinolaryngologists and head and neck surgeons.
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