Background Thread lifting is one of the most common minimally invasive options in facial rejuvenation procedures. The application of polydioxanone (PDO) showed good results and fewer complications. PDO threads effectively strengthen the contour of the face, reduce roundness, and lift sagging skin due to collagen‐stimulating properties. Objective The purpose of this study was an evaluation of the efficacy of the PDO threads: the combination of the cog type and press cog type threads (Ncog and Nfix) and cog type thread (Ncog) alone. And this study was conducted to define complications related to thread inserting during the follow‐up period. Materials and Methods Thirty patients who underwent PDO thread treatment for facial rejuvenation and tightening sagging skin tissues were evaluated. The follow‐up period was seven months. Photographic objective and subjective evaluations were performed during this period. Results Thirty patients were included in this study. The mean age of participants was 51.8 years (range 65 to 34). There was a statistically significant difference between pre and 1‐month post‐operative results in both groups with a mean score of 1.94 ± 0.43 (p < 0.05). Furthermore, the combination of Ncog and N fix showed slightly better results than Ncog alone. According to patient satisfaction, all patients were satisfied with the clinical outcomes. Conclusions Our results revealed PDO threads are effective in aged skin rejuvenation, soft tissue retraction, and support, showing fewer complications. In addition, it could be assumed that treatment with thicker thread could be a more efficacious procedure. However, this statement requires further researches.
Background and ObjectivesThe picosecond 755 nm alexandrite laser was first approved by the US FDA in 2012. A previous study described the use of a 1,064 nm picosecond laser with a micro-lens array (MLA) in peri-areolar scarring from breast reconstruction surgery and reported significant improvement in the texture and aesthetic appearance of the scar without other wound complications. The purpose of this study was to evaluate the improvement of overall scarring, not just pigmentation, in the picosecond laser treatment of patients with pigmentations. Materials and MethodsSixteen patients who underwent 1,064 nm picosecond laser treatment from June 2016 to December 2018 were enrolled in this study. Patients received two to six sessions of picosecond laser treatment at intervals of 4 weeks. Before and after the laser treatment, the patients evaluated their own satisfaction score and a physician evaluated the Vancouver Scar Scale. To evaluate the satisfaction score and complication rate, a retrospective chart review was done. ResultsSeven were female and nine were male. The mean of the patients' satisfaction score before the treatment was 1.44 (interquartile range [IQR], 1-2) and 3.00 (IQR 2.25-3.75) six months after treatment. The mean of the Vancouver Scar Scale before the treatment was 9.69 (IQR 8-11), and 6.25 (IQR 5-7.75) six months after treatment. All the results were statistically significant (p<0.01). ConclusionThis study provides evidence that the use of a 1,064 nm picosecond laser treatment for pigmented scars can be effective in improving the pigmentation and overall scar status, including vascularity, height, and pliability, with the results of a decrease in the VSS scores between treatments.
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