Avaliação da capacidade funcional do paciente com doença pulmonar obstrutiva crônica: testes clínicos versus questionários

Abstract

The chronic obstructive pulmonary disease (COPD) is associated with loss of functional capacity, dyspnea, reduce quality of life and increase mortality. The functional capacity evaluation is extremel y important, because it is directly linked to the risk of death in patients with COPD. The functional capacity evaluation can be performed by clinical tests or for the disease specific questionnaire, since the death risk is calculated by the predictive ind ex takes in consideration that the BODE exercise capacity and consequently the functionality using the six minutes walk test (6MWT) for its measurement. Therefore, this study aims to verify the functional assessment of patients with COPD conducted through questionnaires correlate the results obtained in clinical tests for evaluation, in addition to checking whether a relation between the original BODE index and the modified BODE index by replacing the 6MWT by questionnaire scores Pulmonary Functional Status and Dyspnea Questionnaire Modified (PFSDQ-M), Human Activity Profile (HAP) and the result of TGlittre. Therefore, 28 patients with COPD aged 40 years, answered both questionnaires (PFSDQ-M and PAH) and underwent the 6MWT and TGlittre was also calculated the original BODE index and the modified BODE index of each patient. To analyze the correlation between the clinical test (6MWT and TGlittre) and questionnaires (PAH and PFSDQ-M) and between the original BODE index and the PFSDQ-M BODE index, TGlittre BODE index and PAH BODE index, we performed the correlation Spearman test. The result of this study showed no correlation between the clinical tests (6MWT and TGlittre) and questionnaires (PFSDQ and PAH-M) noted however moderate correlation between the 6MWT and TGlittre (r = -0.646, p <0.001) than an excellent correlation between the original BODE index, TGlittre BODE index (r = 0.913 p 0.001), with the PFSDQ-M BODE index (r = 0.905 p 0.001) and PAH BODE index(r = 0.894 p 0.001). We conclude that the assessment of functional capacity can be measured by both the 6MWT as TGlittre and the BODE index can be calculated using the TGlittre, the PFSDQ-M and PAH as an alternative to the 6MWT when there are conditions of its realization without loss in the index calculation.