RESUMEN
ABSTRACTBackground: Chronic Obstructive Pulmonary Disease (COPD)is defined as a avertible and curable disease characterized by“persistent airflow limitation” that is usually advanced andassociated with an heightened chronic inflammatory responsein the airways, and the lung tonoxious particles or gases.Habitual smoking of cigarette represents the most significantrisk for impeding COPD, as well as low birth weight, recurrentinfections, indoor air pollution with biomass fuel, low socioeconomic status, occupational exposure such as xoal dust,silica, cadmium etc, Different stages of COPD based on postbronchodilator FEV1, in patients with FEV1/FVC <0.70.Aim: To find out the effectiveness of the combined treatmentoutcomes by studying the patients with different stages ofseverity of Chronic Obstructive Pulmonary Disease.Methods: A Prospective study was carried out during theperiod from 1stJune 2018 to 31st December 2018 in theoutpatients department (OPD) of Patuakhali 250 Bed SadarHospital, Patuakhali. One Hundred and Fifty COPD patientswere included in this study. The study was conducted bymeasuring the response of patients with by following the “6Minute Walk Test” or