الفهرس 
Efficacy of fractional carbon dioxide laser versus microneedling in the treatment of striae distensae
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Abstract
Fractional photothermolysis is creation of microscopic
thermal zones of controlled depth, width and density. Microneedling is a
simple treatment modality to reduce striae distensae.
Evaluate and compare the efficacy of fractional carbon
dioxide laser and microneedling as a treatment of striae distensae.
Individuals with striae distensae received 3 split-body
treatments at 4-week intervals. The right side of the body was treated
with fractional CO2 laser; while the other side with microneedling.
Assessment was done by comparing photographs before and after
treatments by two blinded physicians using a quartile grading scale.
Evaluation also included patient satisfaction score and histopathological
examination.
Thirty-three subjects were enrolled and 30 completed the study.
By quartile grading score, we recorded 55% moderate-excellent
improvement of striae in the dermaroller-treated side but with fractional
CO2 laser-treated side, we recorded 76% of patients had moderateexcellent improvement. Patients were more satisfied with fractional CO2
laser than the microneedling. Post-inflammatory hyperpigmentation, as a
complication of fractional CO2 laser, appeared in 11 patients.
Fractional CO2 laser is more effective than microneedling.
More side effects are seen with fractional laser as post inflammatory
hyperpigmentation, but still microneedling can be afforded as an
effective, safe and cheap method.