Microneedling in the Treatment of Post-burn Hypertrophic Scars.

INTRODUCTION: Post-burn hypertrophic scars are an important cause of physical discomfort, limitation of movements, psychological disorders, low self-esteem and reduced quality of life. Treatment for this condition is complex and involves several options. Microneedling, also known as minimally invasive percutaneous collagen induction, is an affordable minimally invasive option that can be combined with other treatments, including ablative ones. OBJECTIVE: The goal of this study was to present our microneedling approach for the treatment of hypertrophic scars after burns. METHOD: A prospective study of 15 patients with post-burn hypertrophic scars was conducted between October 2016 and June 2022. All patients were treated with microneedling and drug delivery of triamcinolone. Scars were evaluated using Vancouver Scar Scale (VSS), Burn Scar Assessment Scale (BSAS) and angle measurement for amplitude of movement evaluation of joints. RESULTS: A significant improvement in the VSS score was obtained after microneedling (8.8 ± 0.44 to 4.1 ± 0.98; p = 0.012), especially in the acute group (less than 1 year after burns): 9.3 ± 0.49 to 3.5 ± 1.36; p = 0.041. There was a significant and progressive improvement of the scars throughout the treatment sessions in all criteria evaluated and in the ranges of joint movement (p = 0.012). CONCLUSION: Our microneedling protocol promoted a significant improvement of post-burn scars, especially in acute hypertrophic scars, and in the amplitude of joint motion. Sequential treatments provided progressive improvement. LEVEL OF EVIDENCE IV: 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 .

Management of Post-Facelift Facial Paralysis With Botulinum Toxin Type A.

BACKGROUND: Facial nerve injury after facelift is rare; hence, its treatment is poorly established. Botulinum toxin type A (BTXA) can be employed to resolve the asymmetry. To our knowledge, there is no protocol in the literature about the best timing for this treatment, injection sites, or recommended dose. OBJECTIVES: The authors sought to propose a protocol to guide the management of asymmetries post-facelift. METHODS: Fifteen patients with post-rhytidectomy facial palsies were treated in the non-paralyzed side with BTXA. After analysis of the smile deviation vectors, it is possible to identify the muscles that should be treated. The dose varied from 1 to 2 volume-unit per point. Patients were examined after 15 days for outcomes evaluation and touch-up if needed. Patients were re-treated after 5 to 6 months in case of asymmetry recurrence. RESULTS: Symmetry was achieved in all cases. Six patients had definitive nerve lesions and required treatment every 6 months after the first session. Five patients had lesions affecting the upper third of the face; 4 of them were definitive nerve lesions. Two of the 4 patients who were treated less than 2 weeks after surgery recovered early from the post-facelift paralysis and developed reversed asymmetry due to the BTXA. In 7 patients, the post-facelift asymmetry was due to neuropraxis: the recovery from the nerve injury and BTXA treatment occurred symmetrically on both sides of the face in the following months after 1 single session. CONCLUSIONS: Asymmetries post-facelift were successfully managed with the proposed protocol. The best time for injection was 2 to 4 weeks after surgery.

Fractional Carbon Dioxide Laser in Patients with Skin Phototypes III to VI and Facial Burn Sequelae: 1-Year Follow-Up.

BACKGROUND: Fractional carbon dioxide laser treatment in postburn scars is safe and effective, but high rates of hypochromia (35 percent) have been described in patients with skin phototypes V and VI after 2 months. The authors evaluated the efficacy and safety of fractional carbon dioxide laser treatment of burn scars in skin phototypes III to VI after 1 year, focusing on the incidence of hypochromia. METHODS: A case series of 20 patients had skin phototypes III to VI with facial burn sequelae. They underwent three sessions of fractional laser. Laser fluence was increased in patients with no hypochromia and reepithelialization time of less than 15 days. Scars were evaluated after 2 months and 1 year by a five-item scale: color, hydration, surface irregularities, volume, and distensibility. RESULTS: The mean time for reepithelialization was 13.3 days (range, 2 to 40 days). The average final score of the scale increased from 4.4 before treatment to 7.33 after 1 year for physicians, and from 5.35 to 7.5 for patients. There was also an increase in the subjective score, which patients used to assess their skin. Two months after treatment, 60 percent of patients presented with punctate hypochromia. After 1 year, only 15 percent of patients still had mild hypochromia; all of them had skin phototypes V and VI. Nevertheless, they were satisfied with overall bleaching of the skin. CONCLUSIONS: Fractional carbon dioxide laser improved skin quality. Late punctate hypopigmentation should be considered a possible complication in patients with skin phototypes V and VI. CLINICAL QUESTION/LEVEL OF EVIDENCE: Therapeutic, IV.

Comparação da eficácia entre a toxina onabotulínica A com a abobotulínica A, na equivalência de 1: 3, para o tratamento da assimetria na paralisia facial de longa duração / Comparison of the efficacy of the 1:3 onabotulinumtoxinA:abobotulinumtoxinA ratio for the treatment of asymmetry after long-term facial paralysis

A aplicação de toxina botulínica A no lado não paralisado (LNP) é feita para tratar a assimetria resultante da paralisia facial (PF). As unidades de toxina onabotulinica A (Ona) e toxina abobotulinica A (Abo) não são equivalentes. Comparou-se a taxa de conversão de 1:3 em pacientes com PF. Cinquenta e cinco pacientes (idade entre 16 e 67 anos, 43 mulheres), com PF de longa duração foram tratados de forma aleatória com a aplicação de Ona (n = 25) ou Abo (n = 30) no LNP. Efeitos adversos, simetria facial, satisfação subjetiva e Índice de Incapacidade Facial (IIF) foram avaliados após 1 e 6 meses. Os resultados mostraram que a incidência de efeitos adversos foi maior com Abo (93,3% vs. 64,0%, p = 0,007). Avaliação Clínica do LNP diminuiu após 1 mês e aumentou novamente aos 6 meses, sem diferenças entre os grupos. A nota do lado paralisado (LP) foi menor no grupo Ona antes do tratamento, mas semelhante em ambos os grupos depois do tratamento. A nota do LP aumentou depois de 1 mês, e aos 6 meses foi ainda maior que a nota de prétratamento em ambos os grupos. A avaliação subjetiva melhorou em todos os momentos em comparação com a nota do pré-tratamento e diferiu entre os dois grupos apenas em 1 mês, quando o grupo Abo ficou um pouco mais paralisado. Índice de Função Física (IFF) e Índice de Bem-Estar Social (IBES), subescalas do Índice de Incapacidade Facial (IFF), entre os dois grupos não foram diferentes. Concluímos que ambas as toxinas reduziram a assimetria de forma eficiente em pacientes com FP. Os efeitos adversos foram maiores com Abo na equivalência de 1:3.

Botulinum toxin A injection into the nonparalyzed side (NPS) is used to treat asymmetry resulting from facial palsy (FP). OnabotulinumtoxinA (ONA) and abobotulinumtoxinA (ABO) units are not equivalent. We compared the conversion ratio of 1:3 in patients with FP. Fifty-five patients (aged 16-67 years, 43 women) with long-standing FP were randomly treated with either ONA (n = 25) or ABO (n = 30) injections into the NPS. Adverse effects, facial symmetry, subjective satisfaction, and Facial Disability Index (FDI) were assessed after 1 and 6 months. The results showed that the incidence of adverse effects was higher with ABO (93.3% vs. 64.0%, p = 0.007). Clinical scores of the NPS decreased after 1 month and increased again at 6 months, with no betweengroup differences. Scores of the paralyzed side were lower in the ONA group before treatment, but similar in both groups thereafter. The paralyzed side scores increased after 1 month, and at 6 months were still higher than the pretreatment scores in both groups. Subjective assessment improved at all time points compared to pretreatment score and differed between the two groups only at 1 month, when the ABO group was a bit too paralyzed. The Physical Function and Social/Well-Being Function subscales of the FDI did not differ between the two groups. We conclude that both toxins efficiently reduced asymmetry in patients with FP. Adverse effects were higher with ABO at an equivalence ratio of 1:3.

Pseudoxanthoma Elasticum Treatment with Fractional CO2 Laser.

SUMMARY: Pseudoxanthoma elasticum (PE) is a rare genetic disease characterized by calcification and fragmentation of elastic fibers of the skin, retina, and cardiovascular system. We report a case of PE in which fractional carbon dioxide laser treatment was successfully used to achieve improvement of the cervical skin with 2-year follow-up, in a patient with Fitzpatrick skin type IV. After the fifth session, the patient presented with a local herpes infection. The postlaser reaction of the PE skin was similar to that of the normal skin, in terms of the duration of redness, pain, swelling, and duration of crusting. The overall cosmetic result was satisfactory, with improvement in skin texture, irregularity, volume, and distensibility. The herpetic infection reinforces the value of antiviral prophylaxis during laser treatment of extrafacial areas.

Tratamento de sequelas de queimadura de face com laser de CO2 fracionado em pacientes com fototipos III a VI / Treatment of facial burn sequelae using fractional CO2 lasers in patients with skin phototypes III to VI

INTRODUÇÃO: Relatos sobre melhora em cicatrizes pós-traumáticas ou patológicas com o uso do laser de CO2 fracionado (CO2F) concluem tratar-se de tecnologia segura e efetiva, apesar de utilizado apenas em pacientes com fototipos II a III. O objetivo deste estudo foi avaliar a eficácia do CO2F em pacientes com sequela de queimadura facial com fototipos III a VI. MÉTODO: No total, 14 pacientes, com média de idade de 29 anos, portadores de sequela de queimadura facial e fototipos III a VI, foram submetidos a uma aplicação do laser de CO2F. Após dois meses, a queimadura foi avaliada por meio de escala com 6 parâmetros: cor, textura, hidratação, irregularidades de superfície, volume e distensibilidade. RESULTADOS: A duração média da dor foi de 19 horas; do edema, 1,3 dia; e da hiperemia, 6,5 dias. A queda das crostas finalizou entre 5 dias e 36 dias, com média de 13,4 dias. Dois meses após a sessão, 5 pacientes evoluíram com hipocromia puntiforme no padrão quadriculado correspondente aos pontos de ablação do laser. A satisfação subjetiva dos avaliadores (pacientes e médicos) com o tratamento foi de 84,6%. Para os pacientes, houve melhora das irregularidades de superfície, da distensibilidade e da textura da pele (57% dos casos), da hidratação (43%), do volume (28%) e da cor (14%). Para os médicos, houve melhora das irregularidades de superfície e da distensibilidade (43%). CONCLUSÕES: O tratamento com laser de CO2F com parâmetros suaves foi bem tolerado e apresentou alto índice de satisfação em pacientes com sequela de queimadura facial, com melhora de textura, distensibilidade e irregularidades de superfície. A alta incidência de hipopigmentação é um fator a ser considerado na indicação do laser de CO2F em pacientes com fototipos IV a VI.

BACKGROUND: Reports on improvement in post-traumatic or pathological scars with the use of fractional CO2 laser (CO2F) conclude that it is a safe and effective technology, though used only in patients with phototypes II to III. The aim of this study was to evaluate the effectiveness of CO2F in patients with facial burn sequelae with phototypes III to VI. METHODS: A total of 14 patients (average age, 29 years) with facial burn sequelae and phototypes III to VI were subjected to a CO2F laser treatment. After 2 months, the burns were evaluated using a 6-parameter scale, including color, texture, hydration, surface irregularities, volume, and distensibility. RESULTS: The average durations of pain, edema, and hyperemia were 19 hours, 1.3 days, and 6.5 days, respectively. The fall of crusts was completed between 5 and 36 days with an average of 13.4 days. Two months after the session, 5 patients developed punctiform hypochromia in a checkerboard pattern corresponding to the points of laser ablation. The subjective satisfaction of the evaluators (i.e., both patients and physicians) with the treatment was 84.6%. The patients reported improvements in surface irregularities, distensibility, and skin texture (57% of the cases); hydration (43%); volume (28%); and color (14%). Meanwhile, the doctors reported improvements in surface irregularities and distensibility (43%). CONCLUSIONS: The treatment with CO2F laser with mild parameters was well tolerated and resulted in high satisfaction rates for patients with facial burn sequelae as well as improved skin texture, distensibility, and surface irregularities. The high incidence of hypopigmentation must be considered while prescribing CO2F laser treatment to patients with phototypes IV to VI.

Avaliação clínica e da espessura cutânea um ano após preenchimento de ácido hialurônico / Clinical and dermal thickness assessment one year after hyaluronic acid filler treatment

INTRODUÇÃO: Poucos estudos avaliam a durabilidade dos produtos de preenchimento facial de forma objetiva e não-invasiva. O objetivo deste estudo foi avaliar a durabilidade de formulação de ácido hialurônico (Derma Hyal ®) no preenchimento de sulco nasogeniano, comparando percepção do efeito clínico e espessura de partes moles medida por ultrassonografia. MÉTODO: Dez mulheres foram tratadas. Avaliação foi realizada após um, três, seis, nove e doze meses, clinicamente e por ultrassonografia. RESULTADOS: A média da espessura à ultrassonografia foi 0,38 ± 0,14 no pré, 0,69 ± 0,19 após 1 mês, 0,65 ± 0,17 após 3 meses, 0,61 ± 0,22 após 6 meses, 0,57 ± 0,23 após 9 meses e 0,55 ± 0,14 após 12 meses. Os dados analisados pelo teste Friedman não se mostraram estatisticamente significativos. Em relação à satisfação, aos 6 meses, 3 pacientes consideraram o resultado insatisfatório, 5, pouco satisfatório e 2, satisfatório. Apenas uma paciente considerou o resultado satisfatório aos 9 meses. Aos 12 meses, uma considerou pouco satisfatório e as demais, insatisfatório. Todas responderam que realizariam novamente o procedimento. CONCLUSÕES: A ultrassonografia demonstrou ser método objetivo e não-invasivo na avaliação da durabilidade de preenchimento, desde que avaliado com correlação clínica. Demonstrou-se aumento da espessura cutânea até 12 meses após injeção em sulco nasogeniano (SNG), com decréscimo progressivo. Embora exista diferença dos valores da ultrassonografia ao longo do tempo, essas não foram estatisticamente significantes. Clinicamente, o efeito percebido pelas pacientes se deu até o nono mês após aplicação do produto avaliado.

BACKGROUND: Few scientific studies evaluate the durability of existent fillers with objective parameters and non invasive methods. The objective of this study was to evaluate durability of a hyaluronic acid formula (Derma Hyal ®) in the nasolabial fold treatment, comparing the perception of clinical effect and soft tissue thickness measured by ultrasound. METHODS: Ten women were treated. Evaluation was made before, after 1, 3, 6, 9 and 12 months, clinically and by ultrasound. RESULTS: Median ultrasound thickness was 0.38 ± 0.14 pre, 0.69 ± 0.19 after 1 month, 0.65 ± 0.17 after 3 months, 0.61 ± 0.22 after 6 months, 0, 57 ± 0.23 after 9 months and 0.55 ± 0.14 after 12 months. Data analyzed by Friedman's test were not statistically significant. Regarding patient satisfaction after 6 months, 3 considered the results unsatisfactory, 5 fairly satisfactory and 2 satisfactory. Only one patient considered the treatment satisfactory at 9 months. By 12 months one considered it fairly satisfactory and nine unsatisfactory. All patients said they would do treatment again in another opportunity. CONCLUSIONS: Ultrasound evaluation of dermal thickness after filler treatment proved to be an objective and non invasive method, since when associated with clinical examination. Increase in soft tissue thickness was demonstrated until 12 months after nasolabial fold injection, with progressive decrease after this period. Despite the increase in soft tissue thickness at ultrasound, it was not statistically significant. Clinical effect was noticed by patients until nine months after treatment with this product.

Escala para avaliação de resultados de cirurgia estética do abdome / Clinical score scale for outcomes of aesthetic surgery of the abdomen

INTRODUÇÃO: A padronização da avaliação de resultados após cirurgia estética é uma dificuldade em Cirurgia Plástica, por ser baseada em critérios geralmente subjetivos. OBJETIVO: O objetivo deste artigo é apresentar uma escala de uso clínico simples, de fácil reprodução e que forneça critérios objetivos para a avaliação de resultados estéticos de cirurgias plásticas no abdome. MÉTODO: A escala foi desenvolvida pela Disciplina de Cirurgia Plástica da Faculdade de Medicina da Universidade de São Paulo. O avaliador dá uma nota (0 = insatisfatório, 1 = regular, 2 = bom e/ou cicatriz inexistente) para cada um de cinco parâmetros: volume do abdome, contorno lateral, excesso de pele, aspecto do umbigo e qualidade da cicatriz em parede abdominal. Um quadro orienta a pontuação para cada parâmetro. DISCUSSÃO: A escala é sensível na identificação de diferentes alterações anatômicas no abdome, pode ser utilizada no pré e pós-operatório para comparação de variadas técnicas cirúrgicas, seja abdominoplastia, lipoaspiração e suas variações, ou mesmo para padronizar resultados a serem apresentados em Congressos Médicos ou publicações. A avaliação pode ser feita por fotografias ou pela própria paciente, nas consultas de pré e pós-operatório, documentando de forma objetiva em prontuário a melhora proporcionada pelo procedimento cirúrgico, ferramenta útil como defesa em processos médico-legais.

INTRODUCTION: The standardization of evaluation of outcomes after aesthetic surgery is still a challenge in Plastic Surgery, being mostly of the times based on subjective criteria. OBJECTIVE: The purpose of this article is to present a clinical score scale for evaluation of aesthetic results of plastic surgery in the abdomen that is simple, easily reproducible and provides objective criteria. METHODS: The scale was developed in the Division of Plastic Surgery, Faculty of Medicine, University of São Paulo. The evaluator gives a score (0 = unsatisfactory, 1 = fair, 2 = good and / or scar absent) for each of five parameters: volume of the abdomen, lateral contour, excess of skin, aspect of navel and quality of the scar. A table helps to choose the score on each parameter. DISCUSSION: The scale is sensitive in identifying different anatomical abnormalities in the abdomen, may be used to compare pre and postoperative results in various surgical techniques, like abdominoplasty, liposuction and its variations, and may help to standardize results presented in meetings or publications. The evaluation can be done using photos or directly with the patient, both before and after surgery appointments, documenting objectively in medical records the improvement provided by the surgical procedures.