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Ablative fractional carbon dioxide laser improves quality of life in patients with extensive burn scars: A nested
Huazhen Liu1,2, Futing Shu1, Haiting Xu3,4
1Department of Burn Surgery, The First Affiliated Hospital of Naval Medical University, Shanghai, People's Republic of China.
Background And Objectives:
Ablative fractional carbon dioxide laser (CO2 -AFL) for small-area burn scar management shows encouraging outcomes. Few studies, however, focused on comprehensive outcomes following CO2 -AFL treatment for extensive burn scars. This study evaluated whether CO2 -AFL surgery improved the quality of life (QoL) for burn survivors with extensive hypertrophic scars.
Methods:
A retrospective nested case-control study was initiated to analyze the efficacy of CO2 -AFL treatment for patients with large-area burn scars. Patients with extensive burn scars (≥30% total body surface area [TBSA]) were registered in our hospital from March 2016 to October 2018. Patients undergoing CO2 -AFL surgery were divided into CO2 -AFL group, and patients undergoing conventional surgery were matched in a 1:1 ratio as the conventional surgery group according to the burned area. The questionnaires were collected and followed up. The 36-Item Short Form Health Survey (SF-36) and Burns Specific Health Scale-Brief (BSHS-B) were the primary parameters. Secondary parameters included the Pittsburgh Sleep Quality Index (PSQI), University of North Carolina "4P" Scars Scale (UNC4P), Patient Scars Assessment Scale for Patient (POSAS-P), and Douleur Neuropathique 4 questions (DN4).
Results:
23 patients (55.96 ± 21.59% TBSA) were included in CO2 -AFL group and 23 patients (57.87 ± 18.21% TBSA) in conventional surgery group. Both the BSHS-B total score (CO2 -AFL vs. conventional surgery: 115.35 ± 29.24 vs. 85.43 ± 33.19, p = 0.002) and the SF-36 total score (CO2 -AFL vs. conventional surgery: 427.79 ± 118.27 vs. 265.65 ± 81.66, p < 0.001) for the CO2 -AFL group were higher than those for the conventional surgery group. Parameters for the CO2 -AFL group were lower than those for the conventional surgery group in all of the following comparisons: PSQI total score (CO2 -AFL vs. conventional surgery: 7.70 ± 3.74 vs. 12.26 ± 4.61, p = 0.001), POSAS-P total score (CO2 -AFL vs. conventional surgery: 26.48 ± 6.60 vs. 33.04 ± 4.56, p < 0.001), UNC4P total score (CO2 -AFL vs. conventional surgery: 5.57 ± 1.97 vs. 7.26 ± 1.81, p = 0.004), and DN4 score (CO2 -AFL vs. conventional surgery: 3 [2-5] vs. 5 [4-8], p = 0.004).
Conclusions:
Compared to conventional surgery, whole scar CO2 -AFL surgery dramatically improved physical and mental health as well as QoL for people with extensive burn scars. Additionally, CO2 -AFL enhanced the evaluation of scars including their appearance, pain, itching, and a host of other symptoms.
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