Teste de broncodilatação: a incorporação de novos parâmetros na sua avaliação

2015 
A avaliacao da resposta broncodilatadora nas doencas pulmonares obstrutivas cronicas e fundamental no diagnostico e no acompanhamento clinico, sendo importante no manejo terapeutico e na avaliacao prognostica. A espirografia e o primeiro teste funcional realizado e o mais importante na rotina da maioria desses pacientes. Outros testes, como a medida dos volumes estaticos e da resistencia pulmonar, assim como o teste da caminhada de 6 minutos, podem ajudar nesta avaliacao. A medida do oxido nitrico tem sido estudada na asma, mas a sua relevância clinica ainda nao esta estabelecida. A presente revisao descreve os testes funcionais mais usados na pratica clinica e evidencias cientificas recentes sobre a melhor forma de interpreta-los. (AU) The evaluation of the bronchodilator response in the chronic obstructive pulmonary disease is fundamental to the diagnosis and clinical follow up, also being important to the therapeutic management and the prognostic evaluation. The spirometry is the first and most important functional test in the routine of the majority of these patients. Other tests, as the measure of the static volumes and the pulmonary resistance, as well as the six-minutewalk test, may be help ful in this evaluation. The measure of exhaled nitric oxide levels has been studied in asthma, but its clinical relevance has not yet been established. The review describes the major functional tests used in clinical practice and the recent scientific evidences regarding the interpretation of the results of those tests. (AU)
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