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Previous issue date: 2016-03-28 / Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior - CAPES / Objectives: To generate reference values for two inspiratory muscle endurance protocols (IME) in healthy children and adolescents. Methods: An observational, cross-sectional study was conducted including healthy children and adolescents between 4 and 18 years old. Body weight, height, maximal inspiratory pressure (MIP) and IME (using two protocols) measurements were performed. In the incremental threshold loading a fixed load of 30% of the MIP with an increase of 10% every 2 minutes was used. In the a fixed load of 70% of the MIP was used and the time limit (Tlim) to exhaustion was measured. Results: In total, 462 participants were included, 281 performed the incremental threshold loading and 181 the maximum load protocol. There were moderate and positive correlations between IME and age, MIP, height and weight in the incremental threshold loading. However, the regression model showed that MIP and age were the best variables to predict RMI. In the maximum load protocol, weak and positive correlations with age, weight and height were found. In the regression model for this protocol, only age and height influenced the endurance. The prediction power (R2) for the incremental threshold loading was 0.65, while for the maximum load protocol was 0.15. Reproducibility measured by the intraclass correlation coefficient (ICC) was higher in the incremental threshold loading (0.96) compared to the maximum load protocol (0.69). Conclusion: The IME in healthy children and adolescents can be explained by age, height and MIP. The incremental threshold loading showed better results and should be the model of choice when evaluating IME in the pediatric age group. / Objetivos: Gerar valores de refer?ncia para dois protocolos de resist?ncia muscular inspirat?ria (RMI) em crian?as e adolescentes saud?veis. M?todos: Estudo observacional, transversal, em crian?as e adolescentes saud?veis de 4 a 18 anos. Foram realizadas as mensura??es de peso, altura, press?o inspirat?ria m?xima (PIMAX) e RMI, utilizando-se dois protocolos. No protocolo de carga incremental foi utilizada uma carga fixa de 30% da PIMAX com incremento de 10% a cada 2 minutos. J? no protocolo de carga m?xima foi utilizada uma carga fixa de 70% da PIMAX e mensurado o tempo limite (Tlim) alcan?ado at? a exaust?o. Resultados: Foram inclu?dos 462 participantes, sendo 281 correspondentes ao protocolo de carga incremental e 181 ao de carga m?xima. No protocolo de carga incremental, houve correla??es moderadas e positivas entre a RMI e a idade, PIMAX, peso e altura. No entanto, o modelo de regress?o demonstrou que a PIMAX e a idade foram as melhores vari?veis para predi??o da RMI. J? no protocolo de carga m?xima, foram encontradas correla??es fracas e positivas com a idade, peso e altura. No modelo de regress?o, apenas a idade e altura influenciaram na endurance. A for?a de predi??o (R2) do protocolo de carga incremental foi de 0,65, enquanto o de carga m?xima foi de 0,15. A reprodutibilidade mensurada pelo coeficiente de correla??o intraclasse (ICC) foi maior no protocolo incremental (0,96) em compara??o ao de carga m?xima (0,69). Conclus?o: A RMI em crian?as e adolescentes saud?veis pode ser explicada em fun??o da idade, altura e PIMAX. O protocolo de carga incremental apresentou melhores resultados e deve ser o modelo de escolha para avalia??o da RMI na faixa et?ria pedi?trica.
| Identifer | oai:union.ndltd.org:IBICT/oai:tede2.pucrs.br:tede/6669 |
| Date | 28 March 2016 |
| Creators | Woszezenki, Cristhiele Ta?s |
| Contributors | Donadio, M?rcio Vin?cius Fagundes |
| Publisher | Pontif?cia Universidade Cat?lica do Rio Grande do Sul, Programa de P?s-Gradua??o em Medicina/Pediatria e Sa?de da Crian?a, PUCRS, Brasil, Faculdade de Medicina |
| Source Sets | IBICT Brazilian ETDs |
| Language | Portuguese |
| Detected Language | English |
| Type | info:eu-repo/semantics/publishedVersion, info:eu-repo/semantics/masterThesis |
| Format | application/pdf |
| Source | reponame:Biblioteca Digital de Teses e Dissertações da PUC_RS, instname:Pontifícia Universidade Católica do Rio Grande do Sul, instacron:PUC_RS |
| Rights | info:eu-repo/semantics/openAccess |
| Relation | 3098206005268432148, 600, 600, 600, 600, -8624664729441623247, -969369452308786627, 2075167498588264571 |
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