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Does Increased Body Mass Index Effect the Gains of Pulmonary Rehabilitation in Chronic Obstructive Pulmonary Disease Patients? [Eurasian J Pulmonol]
Eurasian J Pulmonol. 2017; 19(3): 152-159 | DOI: 10.5152/ejp.2017.96168  

Does Increased Body Mass Index Effect the Gains of Pulmonary Rehabilitation in Chronic Obstructive Pulmonary Disease Patients?

Hülya Doğan Şahin1, Ilknur Naz2, Yelda Varol3, Berna Kömürcüoğlu3
1Pulmonary Rehabilitation Unit, University of Health Sciences Dr. Suat Seren Chest Diseases and Thoracic Surgery Training and Research Hospital, İzmir, Turkey
2Department of Physiotherapy and Rehabilitation, İzmir Katip Çelebi University, Faculty of Health Sciences, İzmir, Turkey
3Department of Chest Diseases, University of Health Sciences Dr. Suat Seren Chest Diseases and Thoracic Surgery Training and Research Hospital, İzmir, Turkey

Objective: We aimed to compare the gain of pulmonary rehabilitation (PR) in obese, pre-obese, and normal-weight patients with chronic obstructive pulmonary disease (COPD) who underwent a PR program.

Methods: COPD patients (n=137) underwent pulmonary and cardiac system examination and pulmonary function tests (PFTs) before PR. Chest X-rays, arterial blood gases, body mass index, quality of life (QOL) questionnaires, anxiety and depression scores, and Modified Medical Research Council dyspnea scale (MMRC) scores were evaluated in all patients. A 6-min walk test was performed to determine the exercise capacity of the patients. All patients underwent an 8-week outpatient PR program. The patients were reevaluated at the end of 8th week in terms of all parameters.

Results: The study group consisted of 44 normal-weight, 52 pre-obese, and 41 obese COPD patients. Before PR, there was no significant difference in terms of 6-min walk distance (6MWD), PFT, MMRC, or QOL scores between the groups (p>0.05 for all). After PR, partial arterial oxygen pressure and arterial saturation, MMRC, and QOL scores improved significantly in all three groups (p<0.05 for all). 6MWD and walkwork significantly increased after PR in all three groups (p<0.001 for all), but the gain in 6MWD was significantly lower in obese patients compared to pre-obese and normal-weight patients (p=0.049).

Conclusion: Pre-obese and obese patients benefit from PR similarly to the normal-weight patients in terms of gas exchange, dyspnea perception, and QOL. But it seems to be that exercise capacity improves less in obese COPD patients compared to pre-obese and normal-weight patients.

Keywords: COPD, exercise capacity, obesity, pulmonary rehabilitation


Hülya Doğan Şahin, Ilknur Naz, Yelda Varol, Berna Kömürcüoğlu. Does Increased Body Mass Index Effect the Gains of Pulmonary Rehabilitation in Chronic Obstructive Pulmonary Disease Patients?. Eurasian J Pulmonol. 2017; 19(3): 152-159

Corresponding Author: Hülya Doğan Şahin, Türkiye


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