Abstract
The new Ultrapulse carbon dioxide (CO2) laser technology has added a new dimension to many cosmetic surgery procedures including hair transplantation. Early reports by Unger and David (Laser Hair Transplantation. J Dermatol Surg Oncol 1994;20:515-21) have been encouraging with the potential of minimal bleeding, ease of placing transplanted grafts, and an overall shortened operative time. A 2-mm slit handpiece has been recently created to expedite this procedure. The purpose of this study is to further investigate the use and efficiency of the new Ultrapulse CO2 laser slit handpiece in hair transplants. Mini-slit graft hair transplants using the new Ultrapulse CO2 laser slit handpiece were done on 25 patients in 30 transplant sessions. Donor minigrafts were obtained by the strip harvesting technique using a triple-blade scalpel. Approximately 200-400 recipient slits were made with the 2-mm slit handpiece at the laser setting of 350 mJ, 12 W, 0.8 seconds per pulse. All grafts were easily placed into recipient sites with minimal bleeding and charring. The procedure was done in half the time of the conventional non-laser technique. Postoperatively, patients were quite satisfied with little pain and swelling. Histologic exams of the laser-treated slits showed minimal adjacent tissue necrosis. Long-term follow-up visits showed good regrowth of hair in these grafts. The new Ultrapulse CO2 laser slit handpiece proved to be an effective tool for mini-slit graft hair transplantation.
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