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- Title
Independent Risk Factors for Mortality in Patients with Chronic Obstructive Pulmonary Disease Who Undergo Comprehensive Cardiac Evaluations.
- Authors
ahn, Young-Hwan; Lee, Keu Sung; Park, Joo Hun; Jung, Jin-Hee; Lee, Miyeon; Jung, Yun-Jung; Chung, Wou Young; Sheen, Seungsoo; Park, Kwang Joo; Kim, Dae Jung; Kang, Dae Ryoung; Lee, Jeong-Dong; Yoon, Soojee; Jin, Xiong Jie; Yang, Hyoung-Mo; Lim, Hong-Seok; Park, Jin Sun; Shin, Joon-Han; Tahk, Seung-Jea
- Abstract
Background: Cardiovascular disease is the most common cause of death in chronic obstructive pulmonary disease (COPD). However, the impact of cardiovascular comorbidities on the prognosis of COPD is not well known. Objectives: This study was performed to investigate the effects of cardiovascular comorbidities on the prognosis of COPD. Methods: We enlisted 229 patients with COPD who underwent comprehensive cardiac evaluations including coronary angiography and echocardiography at Ajou University Hospital between January 2000 and December 2012. Survival analyses were performed in this retrospective cohort. Results: Kaplan-Meier analyses showed that COPD patients without left heart failure (mean survival = 12.5 ± 0.7 years) survived longer than COPD patients with left heart failure (mean survival = 6.7 ± 1.4 years; p = 0.003), and the survival period of nonanemic COPD patients (mean survival = 13.8 ± 0.8 years) was longer than that of anemic COPD patients (mean survival = 8.3 ± 0.8 years; p < 0.001). The survival period in COPD with coronary artery disease (CAD; mean survival = 11.37 ± 0.64 years) was not different from that in COPD without CAD (mean survival = 11.98 ± 0.98 years; p = 0.703). According to a multivariate Cox regression model, a lower hemoglobin level, a lower left ventricular ejection fraction, and the forced expiratory volume in 1 s (FEV1) were independently associated with higher mortality in the total COPD group (p < 0.05). Conclusions: Hemoglobin levels and left ventricular ejection fraction along with a lower FEV1 were identified as independent risk factors for mortality in COPD patients who underwent comprehensive cardiac evaluations, suggesting that multidisciplinary approaches are required in the care of COPD. © 2015 S. Karger AG, Basel
- Subjects
OBSTRUCTIVE lung diseases; MORTALITY risk factors; ECHOCARDIOGRAPHY; HEART failure; SURVIVAL; RETROSPECTIVE studies; DISEASE risk factors
- Publication
Respiration, 2015, Vol 90, Issue 3, p199
- ISSN
0025-7931
- Publication type
Article
- DOI
10.1159/000437097