Six minutes walk test in pediatrics: discussing evidence in specific situations
DOI:
https://doi.org/10.5935/0104-7795.20170018Keywords:
Walk Test, Pediatrics, Asthma, Cystic Fibrosis, ObesityAbstract
The six-minute walk test (6MWT) is regarded as a well-tolerated, reliable and cost-effective tool to monitor the functional capacity of healthy children and adolescents and in different clinical situations. Objective: To verify and discuss the scientific evidence of the 6MWT in four specific situations of children with: 1) asthma; 2) cystic fibrosis 3) obesity and 4) healthy controls. Method: A search was conducted in Pubmed (Medline), Lilacs and PEDro databases with the key words: sixminute walk test, children, adolescents, obesity, cystic fibrosis and asthma. The selected articles were those that reported clinical trials in Portuguese, English or Spanish, published between 2005- 2016 that included studies that assessed the 6MWT as a method of evaluation for monitoring and prognosis of healthy or diseased children and adolescents. Results: We identified 97 articles, 48 of them were duplicate. A pre-selection of 43 remaining studies based on title or summary excluded 6 articles for not meeting the inclusion criteria. Finally, 39 manuscripts were included in this review. Conclusion: 6MWT is reproducible and validated for the pediatric population and is considered an important instrument to assess the implications of chronic diseases on functional status. 1) 6MWT has proven useful to identify function losses to the activities of daily living during or in-between asthma attacks, as well as the functional jeopardy of sedentary habit; 2) It is suitable for assessing nutritional education programs in obesity; 3) In cystic fibrosis, it is a good tool for evaluating pulmonary rehabilitation programs and monitoring of the disease progression; and 4) Among healthy subjects, however, there is still lack of consensus of a reference as well as the most suitable applicability of this test.
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