CAT: ابزاری ساده برای ارزیابی کیفیت زندگی بیماران جانباز شیمیائی مبتلا به بیماری انسدادی مزمن ریه

Title

COPD assessment test (CAT): simple tool for evaluating quality of life of chemical warfare patients with chronic obstructive pulmonary disease

English Abstract

Background: Chronic obstructive pulmonary disease (COPD) is one of the serious late pulmonary complications caused by sulphur mustard exposure. Health status evaluations of chemical warfare patients with COPD are important to the management of these patients. The aim of this study was to determine the efficacy of the COPD assessment test (CAT) in evaluating the health-related quality of life (HRQOL) of chemical warfare patients with COPD. Methods: Eighty-two consecutive patients with stable COPD were enrolled in this study. All subjects were visited by one physician, and the HRQOL was evaluated by the CAT and St. George Respiratory Questionnaires (SGRQs). In addition, a standard spirometry test, 6-min walk distance test and pulse oxymetry were conducted. The severity of the COPD was determined using Global Initiative for Chronic Obstructive Lung Disease (GOLD) staging and the body mass index, obstruction, dyspnoea and exercise (BODE) index. Results: The mean age of the patients was 47.30±7.08 years. The mean CAT score was 26.03±8.28. Thirty-five (43%) patients were in CAT stage 3. There were statistically significant correlations between the CAT and the SGRQ (r =0.70, P =0.001) and the BODE index (r =0.70, P =0.001). A statistically significant inverse correlation was found between the CAT score and the forced expiratory volume in 1 s (r =−0.30, P =0.03). Conclusions: Our results demonstrated that the CAT is a simple and valid tool for assessment of HRQOL in chemical warfare patients with COPD and can be used in clinical practice.

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