NDLI: Evaluation of three scales of dyspnea in chronic obstructive pulmonary disease

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Evaluation of three scales of dyspnea in chronic obstructive pulmonary disease

Content Provider	Scilit
Author	Chhabra, S. K. Gupta, A. K. Khuma, M. Z.
Copyright Year	2009
Abstract	Background: The Modified Medical Research Council (MMRC) scale, baseline dyspnea index (BDI) and the oxygen cost diagram (OCD) are widely used tools for evaluation of limitation of activities due to dyspnea in patients with chronic obstructive pulmonary disease (COPD). There is, however, limited information on how these relate with each other and with multiple parameters of physiological impairment. Objectives: To study the interrelationships between MMRC, BDI and OCD scales of dyspnea and their correlation with multiple measures of physiological impairment. Materials and Methods: A retrospective analysis of pooled data of 88 male patients with COPD (GOLD stages II, III and IV) was carried out. Dyspnea was evaluated using the MMRC, BDI and OCD scales. Physiological impairment was assessed by spirometry (FVC % predicted and $FEV_{ 1 }$ % predicted), arterial blood gas (ABG) analysis and measurement of the 6-min walk distance (6MWD). Results: The interrelationships between MMRC, BDI and OCD scales were moderately strong. The BDI and OCD scores had strong correlations with ABG abnormalities, weak correlations with spirometric parameters but none with 6MWD. MMRC grades were significantly associated with BDI and OCD scores but did not show clear associations with spirometric parameters, ABG abnormalities and 6MWD. Conclusions: The MMRC grades of dyspnea and the BDI and OCD scales are moderately interrelated. While the BDI and OCD scales have significant associations with parameters of physiological impairment, the MMRC scale does not.
Related Links	https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2714566/pdf
File Format	XHTML
ISSN	18171737
e-ISSN	19983557
DOI	10.4103/1817-1737.53351
Journal	Annals of Thoracic Medicine
Issue Number	3
Volume Number	4
Language	English
Publisher	Medknow
Access Restriction	Open
Subject Keyword	Respiratory System Baseline Dyspnoea Index Chronic Obstructive Pulmonary Disease Modified Medical Research Council Scale Oxygen Cost Diagram Annals of Thoracic Medicine, Volume 4, Issue 3
Content Type	Text
Resource Type	Article
Subject	Pulmonary and Respiratory Medicine Surgery Cardiology and Cardiovascular Medicine

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