original RESUMO Introdução. A Distrofia Muscular de Duchenne (DMD) é uma doença progressiva, caracterizada pela degeneração progressiva das fibras musculares necessitando de maior demanda energética durante as atividades funcionais. Desta forma, é imprescindível a avaliação clínica do gasto energético em diferentes atividades e ambientes. Objetivos. Analisar o gasto energético de crianças com DMD durante a marcha nos ambientes aquático e terrestre. Método. Participaram deste estudo 8 meninos com DMD (10,4±0,5 anos), deambuladores, colaborativo para a realização dos testes, não estavam inseridos em programas de reabilitação e não apresentaram doenças associadas. Foi realizado o Teste de caminhada de 6 minutos e calculamos o índice de gasto energético (IGE) através da fórmula: FC final -FC inicial dividida pela velocidade (metros/segundo), sendo expresso em batimentos/ minuto nos meios aquático e terrestre. Resultados. Observamos que no ambiente aquático os pacientes com DMD percorreram um distância menor, comparado ao solo (p=0,012). Quanto ao Índice de Gasto Energético (IGE), os pacientes com DMD obtiveram uma média no solo de 0,43±0,15 e na água de 3,69±0,44 (p=0,012). Conclusões. Os pacientes percorreram uma distância menor e com um gasto energéti-co maior no ambiente aquático, quando comparado com o terrestre.Unitermos. Distrofia Muscular de Duchenne, Marcha, Metabolismo Energético, Ambiente Aquático Citação. Silva KM, Hengles RC, Verdiani MB, Cecconi ME, Rocco FM, Braga DM. Análise do gasto energético na Distrofia muscular de Duchenne nos ambientes aquático e terrestre. ABSTRACTIntroduction. Duchenne muscular dystrophy (DMD) is a progressive genetic disease, characterized by progressive and irreversible degeneration of muscle fibers, requiring energy demand during functional activities. Given this characteristic, energy expenditure becomes a key factor in a rehabilitation program. So, it is essential energy expenditure clinical assessment in different environments. Objective. Analyze the energy expenditure of children with DMD during gait in aquatic and land environments. Method. The study included 8 boys with DMD (10.4±0.5 years), ambulating and collaborative for testing. They were not included in rehabilitation programs and had no associated diseases. It was applied 6-minute walk test (6MWT) in land and aquatic environment, and calculate energy expenditure index by the formula: End FC -divided by the initial speed FC (meters/ second) and is expressed in beats/minute in the aquatic and terrestrial. Results. It was observed that DMD patients walked (p=0.012) a shorter distance in water in relation to the ground. DMD patients had (p=0.012) higher average of energy expenditure in aquatic environment (3.69±0.44) when compared to land (0.43±0.15). Conclusion. The patients walked a shorter distance and with higher energy expenditure in aquatic environment.Keywords. Muscular Dystrophy Duchenne, Gait, Energy Metabolism, Aquatic Environment Citation. Silva KM, Hengles RC, Verdiani MB, Cecconi ME, Rocco FM, Braga DM....
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