Surg Cosmet Dermatol. 2017;9(4):302-305
Introduction: Microneedling, also known as percutaneous collagen induction therapy, is a safe and effective procedure, mostly used for rejuvenation, treatment of scars, melasma, alopecia, and other conditions, as well as for drug delivery. Despite the safety and benefits of this technique, the control of pain during the procedure is its major limiting factor.
Objectives: To assess whether the drug delivery system for topical anesthesia immediately before a microneedling session is capable of reducing the pain.
Methods: A split-face pilot study was carried out with nine consecutive cases of microneedling that had been indicated for the treatment of acne scars, rejuvenation and collagen induction. All patients underwent cleansing of the skin followed by the application of topical anesthetics on the entire face, and drug delivery with a 0.5mm roller only on the left hand side of the face. Next, all anesthetics were removed and microneedling with a 1.0mm roller was performed on both sides of the face
Results: There was a significant reduction of the pain on the left hand side of the face, where the drug delivery was carried out (p <0.01), with a mean value of 3.33 (± 1.49) on the Visual Analogue Scale as compared to the right hand side, which yielded a mean value of 5.22 (± 1.74).
Conclusion: The topical anesthetic drug delivery technique was effective and successful in reducing the pain during microneedling procedures carried out in the study’s patients group.
Keywords: anesthesics, local; collagen; scars
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