Abdol Azim Ghalambor, Mohammad H Pipelzadeh.
Low level CO2 laser therapy in burn scars: Which patients benefit most?.
Pak J Med Sci Jan ;22(2):158-61.

Objective: To evaluate the influence of age of burn scars on the degree of responsiveness to low level CO2 laser therapy. Patients and Methods: Patients who had suffered from burn scars were allocated into three groups according to the age of their scars: 0 to 6 (n=120), 7 to 12 (n=100) and over 12 months (n=100). A single weekly CO2 laser beam was applied at power scale of 4.5 of maximum possible of 30 which was increased by 0.5 degree to maximum power of 9 using a hand piece on LQ30 Slim Evolution CO2 laser scanner. Results: The results showed that younger scars responded more favorably than older ones. Seventy percent of the scars that aged less than 6 months completely disappeared compared with 12% in the second groups and none in the third group. Conclusion: These findings suggest the early low level CO2 laser therapy is an effective method for treatment of burn scars provided it is applied as early as possible.

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