The Indian Journal of Chest Diseases and Allied Sciences

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VOLUME 61 , ISSUE 2 ( April-June, 2019 ) > List of Articles

Original Article

To Study Association Between Exhaled Carbon Monoxide Levels with Disease Severity in Various Stages of Obstructive Airway Disease

Mohammad Shameem, Arshad Ejazi, Shahnawaz Mohd, Nabeela Khanam

Keywords : Obstructive airway disease, Exhaled carbon monoxide, FEV1, Smoking

Citation Information : Shameem M, Ejazi A, Mohd S, Khanam N. To Study Association Between Exhaled Carbon Monoxide Levels with Disease Severity in Various Stages of Obstructive Airway Disease. Indian J Chest Dis Allied Sci 2019; 61 (2):83-86.

DOI: 10.5005/ijcdas-61-2-83

License: NA

Published Online: 18-06-2019

Copyright Statement:  NA


Abstract

Background: Chronic obstructive pulmonary disease (COPD) is a general name for the chronic airflow obstruction that develops most commonly due to long term tobacco smoking and other noxious gases. The aim of the present study is to check whether exhaled carbon monoxide (CO) levels had any co-relations with disease severity in various stages of COPD. Methods: The clinical severity of asthma and COPD was determined using the criteria defined in the Global Initiative for Asthma (GINA) and Global Initiative for chronic obstructive pulmonary disease (GOLD) guidelines. Spirometry was used to confirm the presence of airway obstruction. Results: We observed that exhaled CO levels increased with increasing severity of airway obstruction. A statistically significant negative correlation was observed between forced expiratory volume in the first second and exhaled CO (p<0.05). Conclusions: We found that measuring the level of exhaled CO in patients with COPD along with spirometry forms a new approach for better understanding of the pathophysiology of COPD cases.


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