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COPD is frequent in conditions of comorbidity in patients treated with various diseases in a university hospital

Authors Akira Yamasaki, Kiyoshi Hashimoto, Yasuyuki Hasegawa, et al

Published 29 September 2010 Volume 2010:5 Pages 351—355

DOI https://doi.org/10.2147/COPD.S12669

Review by Single-blind

Peer reviewer comments 5

Akira Yamasaki, Kiyoshi Hashimoto, Yasuyuki Hasegawa, Ryota Okazaki, Miki Yamamura, Tomoya Harada, Shizuka Ito, Soichiro Ishikawa, Hiroki Takami, Masanari Watanabe, Tadashi Igishi, Yuji Kawasaki, Eiji Shimizu
Division of Medical Oncology and Molecular Respirology, Department of Multidisciplinary Internal Medicine, Faculty of Medicine, Tottori University, Japan

Background: Chronic obstructive pulmonary disease (COPD) is one of the leading causes of death and loss of disability-adjusted life-years. However, many COPD patients are not diagnosed because of underrecognition or underdiagnosis of this disease among many patients and physicians. One possible reason is underrecognition of spirometry. In this study, we examined the prevalence of airflow limitation and underlying disease in patients with airflow limitation.
Methodology: From April 2006 to March 2008, patients who had spirometry performed were examined. The original disease of patients, pulmonary function tests, smoking status, and respiratory symptoms were surveyed from their medical records.
Results: Of all patients who had spirometry performed, 15.8% showed airflow limitation (FEV1/FVC < 0.7). A variety of diseases were observed in patients with airflow limitation. Among all diseases, cardiovascular disease was the highest and gastrointestinal malignant disease had the second highest prevalence in patients with airflow limitation.
Conclusion: COPD might be frequent in conditions of comorbidity in patients treated for various diseases. Attention should be paid to the possibility of co-existence of COPD and the influence of COPD on these patients.

Keywords: airflow limitation, chronic obstructive pulmonary disease, comorbidity, spirometry, prevalence

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