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      Comportamento dos músculos cervicais em indivíduos com fala esofágica e laringe artificial Translated title: Behavior of cervical muscles in individuals with esophageal speech and artificial larynx

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          Abstract

          OBJETIVO: avaliar através da eletromiografia de superfície o comportamento dos músculos esternocleidomastóideo e paraespinhais cervicais bilateralmente em pacientes que se comunicam por meio da fala esofágica e laringe artificial, para determinar se o tipo de voz utilizada altera o comportamento dos músculos cervicais. MÉTODOS: foram avaliados dez voluntários (duas mulheres e oito homens), idade média de 49,7 anos, com laringectomia total, tempo de pós-operatório médio de 2,6 anos, com limitação dos movimentos do pescoço, divididos em dois grupos: grupo 1: cinco voluntários (laringe artificial); grupo 2: cinco voluntários (voz esofágica); grupo 3 controle (sete voluntários). RESULTADOS: na fonação não houve alteração no padrão de ativação muscular dos indivíduos que utilizam a voz esofágica e a laringe artificial, com relação ao grupo controle. No entanto, na condição de repouso houve diferença significativa, comparando-se os valores médios de Root Mean Square dos grupos 1 e 2 com o grupo 3, para o músculo esternocleidomastóideo direito e para os músculos paraespinhais cervicais direito. CONCLUSÃO: o tipo de opção vocal não interferiu no padrão de ativação muscular durante a fonação, bem como não existiu diferença no padrão de ativação muscular na fonação dos voluntários quando comparados a indivíduos sem intercorrências no aparelho fonador.

          Translated abstract

          PURPOSE: to evaluate by the surface electromyography the behavior of the sternocleidomastoid and cervical paraspinalis muscles, bilaterally in patients who use esofagic and artificial larynx as alternative to talk and to determine if these conditions modify the cervical muscles behavior. METHODS: ten volunteers were evaluated (two women, eight men), with average age: 49. 7 years, with total laryngectomy, average time of postoperative: 2.6 years, with neck movements limitation, divided in two groups: group 1 with five volunteers (artificial larynx); group 2 with five volunteers (esofagic voice); and group 3 control (seven volunteers). RESULTS: there was no significant difference in the muscular activation pattern during phonation in individuals with esofagic voice and the artificial larynx compared to the control group, however, in the rest condition, there was a significant difference comparing the average values of Root Mean Square (RMS) of groups 1 and 2 with group 3, for the right sternocleidomastoid muscle and the right cervical paraspinalis muscles. CONCLUSION: the vocal option did not interfere on the muscular activation pattern during the phonation, as well as there was no difference in the muscular activation pattern comparing the experimental groups with the control group.

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          Most cited references 30

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          Diagnosis and treatment of movement impairment syndromes

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            The epidemiology of laryngeal cancer in Brazil

            The city of São Paulo exhibits one of the highest incidences of laryngeal cancer in world and Brazil presents remarkable occurrence, compared with other Latin American countries. Around 8,000 new cases and 3,000 deaths by laryngeal cancer occur annually in the Brazilian population. In the city of São Paulo, incidence rates for laryngeal cancer among males have been decreasing since the late 1980s while, among females, the rates have shown a stable trend. This phenomenon is probably the expression of changes in gender behavior related to tobacco smoking. Several risk factors are involved in the genesis of laryngeal cancer. The most important are tobacco smoking and alcohol intake, but occupational hazards have also been associated with the disease, such as asbestos, strong inorganic acids, cement dust and free crystalline silica. Additionally, salted meat and total fat intake have been linked to elevated risk of laryngeal cancer. Conversely, several studies have confirmed that fruits, raw leaf vegetables and legumes protect against this cancer. Some researchers have postulated a possible association between laryngeal squamous cell carcinoma and human papilloma virus (HPV), but this is not universally accepted. Gastroesophageal reflux disease is weakly, but consistently correlated with laryngeal cancer. Familial cancer clusters, particularly of head and neck tumors, seem to increase the risk of laryngeal cancer. Some genetic polymorphisms, such as of genes that code for xenobiotic-metabolizing enzymes, have shown elevated risk for laryngeal cancer according to recent studies. Public health policies regarding the control of tobacco smoking and alcohol consumption, and also surveillance of carcinogen exposure in occupational settings, could have an impact on laryngeal cancer. No proposals for screening have been recommended for laryngeal cancer, but one diagnostic goal should be to avoid treatment delay when suspected symptoms have been observed.
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              SURFACE electromyography for the non-invasive assessment of muscles

              (2008)
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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                rcefac
                Revista CEFAC
                Rev. CEFAC
                CEFAC Saúde e Educação (São Paulo )
                1982-0216
                February 2010
                : 12
                : 1
                : 82-90
                Affiliations
                [1 ] Universidade Estadual de Campinas Brazil
                [2 ] Universidade Estadual de Campinas Brazil
                [3 ] Universidade Estadual de Campinas Brazil
                [4 ] Universidade Estadual de Campinas Brazil
                Article
                S1516-18462010000100011
                10.1590/S1516-18462010000100011
                Product
                Product Information: website
                Categories
                REHABILITATION

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