{"id":61503,"date":"2023-03-10T16:51:25","date_gmt":"2023-03-10T21:51:25","guid":{"rendered":"https:\/\/aerolase.com\/?post_type=article&#038;p=61503"},"modified":"2024-06-07T16:18:50","modified_gmt":"2024-06-07T16:18:50","slug":"clinical-efficacy-and-patient-satisfaction-in-laser-scar-revision-using-a-300-microsecond-pulsed-eryag-2940nm-laser","status":"publish","type":"article","link":"https:\/\/www.varshabi.com\/Aerolase\/article\/clinical-efficacy-and-patient-satisfaction-in-laser-scar-revision-using-a-300-microsecond-pulsed-eryag-2940nm-laser\/","title":{"rendered":"Clinical Efficacy and Patient Satisfaction in Laser Scar Revision using a 300-Microsecond Pulsed Er:YAG 2940nm Laser"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"61503\" class=\"elementor elementor-61503\" data-elementor-post-type=\"article\">\n\t\t\t\t<div class=\"has_eae_slider elementor-element elementor-element-1a0a7814 e-flex e-con-boxed e-con e-parent\" data-id=\"1a0a7814\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5b9adcfc elementor-widget elementor-widget-text-editor\" data-id=\"5b9adcfc\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.22.0 - 17-06-2024 *\/\n.elementor-widget-text-editor.elementor-drop-cap-view-stacked .elementor-drop-cap{background-color:#69727d;color:#fff}.elementor-widget-text-editor.elementor-drop-cap-view-framed .elementor-drop-cap{color:#69727d;border:3px solid;background-color:transparent}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap{margin-top:8px}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap-letter{width:1em;height:1em}.elementor-widget-text-editor .elementor-drop-cap{float:left;text-align:center;line-height:1;font-size:50px}.elementor-widget-text-editor .elementor-drop-cap-letter{display:inline-block}<\/style>\t\t\t\t<h6><i>Khalil A. Khatri, MD, Viktor Moiseev, MD, Skin &amp; Laser Surgery Center of New England, Nashua, NH; General Director and Head Doctor of Cosmetic Clinic \u201cSasha\u201d, Ryazan, Russian Federation<\/i><\/h6><p><i>Presented at the American Society for Laser Medicine &amp; Surgery Annual Conference 2016<\/i><\/p><p>\u00a0<\/p><h5 style=\"color: #3069ad;\">Objective and Background<\/h5><p>A 300-Microsecond Pulsed Er:YAG 2940nm Laser at a fluence of 5 J\/cm2 allows ablation of scar tissue without significant residual thermal damage. Based on the fact that Er:YAG laser is most effective in hydrated tissue, which corresponds to the early stages of scar formation (10-14 days after injury), we hypothesized that laser scar treatment would be most effective during this period.<\/p><p>\u00a0<\/p><h5 style=\"color: #3069ad;\">Materials and Methods<\/h5><p>11 male and 21 female subjects with skin type II-III were recruited, 25 with post mechanical trauma scars, 6 with acne scars and 1 with a chemical burn scar. The subjects were divided into two groups; first group (11) had subjects with scars in their early stages (14 days) and the second group (21) had subjects with scars over a year old. Treatment was performed with a 300-Microsecond Pulsed Er:YAG 2940nm Laser (Aerolase, USA) with a spot size of 6mm, a fluence of 5 J\/cm2 and a rep rate of 1.5 HZ. Treatments were performed at 14 days interval. The total number of treatments were 114 and treatments were performed until a physical leveling of the scar was observed. Each subject had an average of 3.6 treatments.<\/p><p>\u00a0<\/p><h5 style=\"color: #3069ad;\">Results<\/h5><p>In the first group, the physical leveling of the scar was observed immediately after the first treatment whereas it took two treatments in the second group. The first group had a total of 29 treatments (mean 2.6) and the second group had a total 85 treatments (mean 4). 94% of the subjects completed the study. No complications observed. 30% rated the results as excellent, 50% as good, and 20% as satisfactory.<\/p><p>\u00a0<\/p><h5 style=\"color: #3069ad;\">Conclusion<\/h5><p>A 300-Microsecond Pulsed Er:YAG 2940nm Laser is a safe and effective to revise scars. Results are quicker, well tolerated and better with relatively fresh scars as compared to older scars.<\/p><div class=\"wp-block-spacer\" style=\"height: 46px;\" aria-hidden=\"true\">\u00a0<\/div><h5 id=\"h-1-month-post-trauma-scar-male-44-y-o\" class=\"wp-block-heading has-text-color\" style=\"color: #3069ad;\">1 month post trauma scar. Male 44 y.o.<\/h5><figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" width=\"418\" height=\"103\" class=\"wp-image-61506\" style=\"aspect-ratio: 4.058252427184466; width: 840px; height: auto;\" src=\"https:\/\/www.varshabi.com\/Aerolase\/wp-content\/uploads\/2023\/03\/scar-on-cheek.png\" alt=\"\" srcset=\"https:\/\/www.varshabi.com\/Aerolase\/wp-content\/uploads\/2023\/03\/scar-on-cheek.png 418w, https:\/\/www.varshabi.com\/Aerolase\/wp-content\/uploads\/2023\/03\/scar-on-cheek-300x74.png 300w\" sizes=\"(max-width: 418px) 100vw, 418px\" \/><figcaption class=\"wp-element-caption\"><em>From left to right: Before Treatment, 14 Days Post 1 Treatment, 14 Days Post 2 Treatments.<\/em><\/figcaption><\/figure><div class=\"wp-block-spacer\" style=\"height: 46px;\" aria-hidden=\"true\">\u00a0<\/div><h5 id=\"h-14-days-post-trauma-scar-female-22-y-o\" class=\"wp-block-heading has-text-color\" style=\"color: #3069ad;\">14 days post trauma scar. Female 22 y.o.<\/h5><figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" width=\"416\" height=\"101\" class=\"wp-image-61513\" style=\"aspect-ratio: 4.118811881188119; width: 840px; height: auto;\" src=\"https:\/\/www.varshabi.com\/Aerolase\/wp-content\/uploads\/2023\/03\/scar-on-cheek-2.png\" alt=\"\" srcset=\"https:\/\/www.varshabi.com\/Aerolase\/wp-content\/uploads\/2023\/03\/scar-on-cheek-2.png 416w, https:\/\/www.varshabi.com\/Aerolase\/wp-content\/uploads\/2023\/03\/scar-on-cheek-2-300x73.png 300w\" sizes=\"(max-width: 416px) 100vw, 416px\" \/><figcaption class=\"wp-element-caption\"><em>From left to right: Before Treatment, 14 Days Post 1 Treatment, 14 Days Post 2 Treatments.<\/em><\/figcaption><\/figure><div class=\"wp-block-spacer\" style=\"height: 46px;\" aria-hidden=\"true\">\u00a0<\/div><h5 id=\"h-acne-scars-more-than-1-years-old-male-33-y-o\" class=\"wp-block-heading has-text-color\" style=\"color: #3069ad;\">Acne Scars More than 1 Year Old, Male 33 y.o.<\/h5><figure class=\"wp-block-image size-full is-resized\"><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone wp-image-61520 size-full\" style=\"aspect-ratio: 0.5664739884393064; width: 840px; height: auto;\" src=\"https:\/\/www.varshabi.com\/Aerolase\/wp-content\/uploads\/2023\/03\/scar-on-cheek-3.png\" alt=\"\" width=\"294\" height=\"519\" srcset=\"https:\/\/www.varshabi.com\/Aerolase\/wp-content\/uploads\/2023\/03\/scar-on-cheek-3.png 294w, https:\/\/www.varshabi.com\/Aerolase\/wp-content\/uploads\/2023\/03\/scar-on-cheek-3-170x300.png 170w\" sizes=\"(max-width: 294px) 100vw, 294px\" \/><\/figure><div class=\"wp-block-spacer\" style=\"height: 46px;\" aria-hidden=\"true\">\u00a0<\/div><h5 id=\"h-chemical-burn-female-pre-teen\" class=\"wp-block-heading has-text-color\" style=\"color: #3069ad;\">Chemical Burn. Female pre-teen.<\/h5><figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-77239\" style=\"aspect-ratio: 2.078014184397163; width: 840px; height: auto;\" src=\"https:\/\/www.varshabi.com\/Aerolase\/wp-content\/uploads\/2023\/08\/111burn-scar-drzoyaklimova-before-and-after.jpg\" alt=\"\" width=\"2233\" height=\"1081\" srcset=\"https:\/\/www.varshabi.com\/Aerolase\/wp-content\/uploads\/2023\/08\/111burn-scar-drzoyaklimova-before-and-after.jpg 2233w, https:\/\/www.varshabi.com\/Aerolase\/wp-content\/uploads\/2023\/08\/111burn-scar-drzoyaklimova-before-and-after-300x145.jpg 300w, https:\/\/www.varshabi.com\/Aerolase\/wp-content\/uploads\/2023\/08\/111burn-scar-drzoyaklimova-before-and-after-1024x496.jpg 1024w, https:\/\/www.varshabi.com\/Aerolase\/wp-content\/uploads\/2023\/08\/111burn-scar-drzoyaklimova-before-and-after-768x372.jpg 768w, https:\/\/www.varshabi.com\/Aerolase\/wp-content\/uploads\/2023\/08\/111burn-scar-drzoyaklimova-before-and-after-1536x744.jpg 1536w, https:\/\/www.varshabi.com\/Aerolase\/wp-content\/uploads\/2023\/08\/111burn-scar-drzoyaklimova-before-and-after-2048x991.jpg 2048w\" sizes=\"(max-width: 2233px) 100vw, 2233px\" \/><figcaption class=\"wp-element-caption\"><em>From left to right: Before Treatment, After 2nd Treatment.<\/em><\/figcaption><\/figure>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"has_eae_slider elementor-element elementor-element-e7fab61 e-flex e-con-boxed e-con e-parent\" data-id=\"e7fab61\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-cd77bcf elementor-widget elementor-widget-template\" data-id=\"cd77bcf\" data-element_type=\"widget\" data-widget_type=\"template.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div 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data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.22.0 - 17-06-2024 *\/\n.elementor-heading-title{padding:0;margin:0;line-height:1}.elementor-widget-heading .elementor-heading-title[class*=elementor-size-]>a{color:inherit;font-size:inherit;line-height:inherit}.elementor-widget-heading .elementor-heading-title.elementor-size-small{font-size:15px}.elementor-widget-heading .elementor-heading-title.elementor-size-medium{font-size:19px}.elementor-widget-heading .elementor-heading-title.elementor-size-large{font-size:29px}.elementor-widget-heading .elementor-heading-title.elementor-size-xl{font-size:39px}.elementor-widget-heading .elementor-heading-title.elementor-size-xxl{font-size:59px}<\/style><h5 class=\"elementor-heading-title elementor-size-default\">Erase aging skin for patients aged 18 to 8o.<\/h5>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4e1357c 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