[El deterioro de la función pulmonar y el análisis de los factores de riesgo en pacientes con neumonosis de los trabajadores del carbón complicada por enfermedad pulmonar obstructiva crónica]

COPD is defined as a heterogeneous lung condition marked by persistent respiratory symptoms such as dyspnea, cough, and sputum production, caused by abnormalities in the airways that cause airflow obstruction.
Smoking is a primary risk factor for COPD, with over 80% of patients having a history of it. Patients typically experience progressive dyspnea or labored breathing, frequent coughing, and recurrent pulmonary infections. Many eventually succumb to respiratory failure, characterized by...