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Comparative Study Using Autologous Fat Grafts Plus Platelet-Rich Plasma With or Without Fractional CO 2 Laser Resurfacing in Treatment of Acne Scars: Analysis of Outcomes and Satisfaction With FACE-Q

S Tenna, A Cogliandro, M Barone, Vincenzo Panasiti, M Tirindelli, Carolina Nobile, Paolo Persichetti
Aesthetic Plastic Surgery 2017, 41 (3): 661-666
28127660

BACKGROUND: A multitude of options are traditionally used for the treatment of acne scars; however, newer treatment modalities are emerging to decrease the propensity for post-inflammatory hyperpigmentation and upregulate new collagen production. The aim of this study was to evaluate the efficacy of nanofat and platelet-rich plasma (PRP) infiltration alone and combined with fractional CO2 laser resurfacing to improve atrophic scars of the face.

METHODS: From March 2014 to June 2015, 30 patients with atrophic acne scars on the cheeks were selected for this study. Patients were evaluated pre- and postoperatively by physical examination, photographs and ultrasound with a 22-MHz probe to measure subcutaneous tissue thickness. All patients were treated with infiltration of nanofat plus PRP. The production of PRP was achieved using the RegenLab THT tube® method. In 15 randomly chosen patients, a fractional CO2 laser resurfacing at 15 W was also performed right after the infiltration. An Italian version of the FACE-Q postoperative module was administered to analyze each patient's satisfaction and aesthetic perception of the result.

RESULTS: The average preoperative thickness of subcutaneous tissue of patients from group A was 0.532 cm, while the average preoperative thickness of subcutaneous tissue of patients from group B was 0.737 cm. The average postoperative thickness of subcutaneous tissue was 1.201 cm in group A and 1.367 cm in group B. The improvement of thickness of subcutaneous tissue was 0.668 cm in group A and 0.63 cm in group B. We applied a t test on unpaired data, comparing the difference in thickness obtained with the treatment in both group A and in group B, with a p value =0.7289 (not significant). All patients in both groups had a treatment benefit, confirmed with FACE-Q postoperative module, but without a significant difference between the two groups.

CONCLUSIONS: Subcutaneous infiltration with nanofat and PRP seems to be effective to improve atrophic scars, either alone or combined with fractional CO2 laser resurfacing. The FACE-Q module confirmed the impact of treatment of facial acne scars in social life and relationships.

LEVEL OF EVIDENCE III: This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266 .

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