Impact of preoperative haemoglobin concentrations on the efficiency of KTP-laser vaporization of the prostate

摘要

Purpose The potassium-titanyl-phoshate laser (KTP laser) device produces light (wavelength of 532 nm) that is absorbed by haemoglobin, thus releasing thermal energy. This reaction causes vaporization of the tissue. We tested whether preoperative haemoglobin concentrations (Hb) affect the efficiency of the 80 W KTP laser, thus affecting the energy applied.