Proportion of depression in stable COPD patients and relationship between depression and health related quality of life

Abstract

Background: Chronic obstructive pulmonary disease (COPD) is a major cause of morbidity and mortality worldwide and predicted to be the third cause of death in world in 2020. Nearly half of all chronic obstructive pulmonary disease patients, suffer psychiatric disorders such as depression and anxiety and these disorders have impact on quality of life remains poorly understood .The aim of the study is to assess the proportion of depression and its relation to quality of life in patients with COPD. Materials And Methods: A prospective cross-sectional study of 55 patients enrolled for study.All consecutive patients with COPD are assessed during their routine outpatient visit in Department of pulmonary medicine. The grouping of patients is based on 2011 Global initiatives for chronic obstructive lung disease (GOLD) classification system. The depression among COPD patients assessed by Patient health questionnaire-9(PHQ-9) and the quality of life by using St. George’s respiratory questionnaire and Medical research council questionnaire was used to assess the severity of dyspnoea. Socio-demographic data regarding the patients were also recorded. Results: Proportion of depression in this study found 30.9%. Mean symptoms score, activity score, impact score and total score of SGRQ in depressed patients were 55.04, 67.20, 53.33, and 57.8 respectively.