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      Avaliação computadorizada digital das medidas auriculares em otoplastias Translated title: Digital computerized analysis of auricle measures in otoplasties

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          Abstract

          RESUMO Introdução: Nos últimos anos, a literatura vem se enriquecendo de medidas quantitativas, principalmente pelo advento do processamento digital de imagens, procedimento não invasivo e bastante preciso. O objetivo do presente estudo é avaliar as medidas em visão anterior no pré e pós-operatório de pacientes submetidos à otoplastia através de análise computadorizada de fotografias digitais. Métodos: O estudo retrospectivo foi realizado numa série consecutiva de casos no período de fevereiro de 2014 a abril de 2015. Foram realizadas medidas no terço superior, médio e inferior das orelhas. Resultados: Do total de 103 pacientes, 47 eram do sexo masculino e 56 do sexo feminino. A técnica de enfraquecimento do pavilhão, pela confecção de ilhas cartilaginosas múltiplas, associada à sutura com fio inabsorvível incolor, foi utilizada em 56 pacientes; a ressecção de cartilagem conchal isolada em um paciente e a combinação das técnicas anteriormente descritas em 47. O resultado da medida auricular em visão frontal nos pontos previamente descritos, realizada através da análise computadorizada, demonstrou uma redução média importante no terceiro mês de pós-operatório. Conclusão: No presente estudo, demonstrou-se que a avaliação fotográfica digital pode estimar medidas da orelha com alta reprodutibilidade, corroborando o emprego da fotografia digital na estimativa não invasiva dessas variáveis, como opção de custo reduzido e alta disponibilidade na prática clínica. Em conclusão, a análise antropométrica computadorizada em visão frontal, utilizando fotografias digitais pré e pós-operatórias é uma alternativa aos métodos de medidas tradicionais utilizados para avaliação de resultados em otoplastias.

          Translated abstract

          ABSTRACT Introduction: Recently a number of studies have been published on quantitative measures mainly for the prominence of digital imaging processing, which is a non-invasive and precisely procedure. This study assessed measures in anterior view before and after surgery of patients who underwent otoplasty using computer analysis of digital images. Methods: A retrospective study was performed on a consecutive series from February 2014 to April 2015. Measures were done in the upper third, middle and bottom of the ears. Results: Of 103 patients, 47 were men and 56 women. We used the technique of weakening the cartilage by making multiple posterior islands associated with non-absorbable suture in 56 patients, an isolated conchal cartilage resection in 1 patient and combination of all techniques in 47 patients. The result of auricle measure in frontal viewing at previous measured points performed using computer analysis showed a significant mean reduction in the third month after surgery. Conclusion: Digital image assessment can estimate auricle measure with high repeatability, corroborating with the use of digital images in noninvasive procedures as less expensive and highly available option in clinical practice. The computed anthropometric analysis of digital images in direct frontal view using images taken before and after surgery is an alternative method for traditional measurements to evaluate results in otoplasties.

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          Most cited references21

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          The correction of prominent ears using simple mattress sutures.

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            Otoplasty: evaluation, technique, and review.

            Prominent ear deformity is the most common abnormality of the external ear. Over two hundred different techniques have been described to correct this deformity. Many of these techniques have proven successful in their ability to achieve high patient satisfaction despite the significant variations in these techniques. From this perspective otoplasty is a privileged procedure allowing the surgeon great latitude in his approach and ability to achieve patient satisfaction. Despite high patient satisfaction, each technique has inherent strengths and weaknesses. The art of otoplasty is in the ability to realize the strengths and weaknesses of a cadre of procedures so as to maximize benefit and minimize complication. Analysis and correction of prominent ears should be approached in a rational, step-wise fashion. The external ear is an infinitely complex structure with great variation between individuals and between the two sides of the same individual. Appropriate evaluation is essential to the application of the appropriate corrective technique. Our approach to otoplasty includes a careful evaluation and description of the deformity in the context of normative standards and the goal of symmetry. When the patient is judged to be sufficiently mature we proceed with an algorithmic application of cartilage-sparing techniques suited to the specific deformity. In this approach, correction of the prominent ear can go beyond patient satisfaction, maximizing outcome in form and symmetry.
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              Otoplasty

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                Author and article information

                Journal
                rbcp
                Revista Brasileira de Cirurgia Plástica
                Rev. Bras. Cir. Plást.
                Sociedade Brasileira de Cirurgia Plástica (São Paulo, SP, Brazil )
                1983-5175
                2177-1235
                March 2017
                : 32
                : 1
                : 3-8
                Affiliations
                [1] São Paulo SP orgnameSociedade Brasileira de Cirurgia Plástica Brasil
                [3] Belo Horizonte MG orgnameHospital Vera Cruz Brasil
                [2] Belo Horizonte MG orgnameHospital Unimed Brasil
                [5] Belo Horizonte Minas Gerais orgnameUniversidade Federal de Minas Gerais Brazil
                [6] Minas Gerais orgnameUniversidade de Itaúna orgdiv1Faculdade de Medicina Brazil
                [7] Belo Horizonte MG orgnameHospital Felício Rocho Brasil
                [4] Belo Horizonte MG orgnameInstituto de Mastologia, Odontologia e Cirurgia Plástica Brasil
                [8] Belo Horizonte MG orgnameInstituto de Cirurgia Plástica Avançada Brasil
                Article
                S1983-51752017000100003 S1983-5175(17)03200100003
                10.5935/2177-1235.2017rbcp0002
                c04acf2f-9b28-45dd-96c7-54cd255aca04

                This work is licensed under a Creative Commons Attribution 4.0 International License.

                History
                : 06 September 2015
                : 04 January 2017
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 21, Pages: 6
                Product

                SciELO Brazil

                Categories
                Artigo Original

                Proeminent ear,Orelha proeminente,Mesuraments,Orelha,Otoplastia,Medidas,Ear,Otoplasty

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