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Independent risk factors for mortality in patients with chronic obstructive pulmonary disease who undergo comprehensive cardiac evaluations.

Authors
Ahn, YH  | Lee, KS  | Park, JH  | Jung, JH | Lee, M | Jung, YJ  | Chung, WY  | Sheen, S  | Park, KJ  | Kim, DJ  | Kang, DR  | Lee, JD | Yoon, S | Jin, XJ | Yang, HM  | Lim, HS  | Park, JS  | Shin, JH  | Tahk, SJ
Citation
Respiration; international review of thoracic diseases, 90(3). : 199-205, 2015
Journal Title
Respiration; international review of thoracic diseases
ISSN
0025-79311423-0356
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.
MeSH

DOI
10.1159/000437097
PMID
26278777
Appears in Collections:
Journal Papers > School of Medicine / Graduate School of Medicine > Neurosurgery
Journal Papers > School of Medicine / Graduate School of Medicine > Pulmonary & Critical Care Medicine
Journal Papers > School of Medicine / Graduate School of Medicine > Endocrinology & Metabolism
Journal Papers > School of Medicine / Graduate School of Medicine > Medical Humanities & Social Medicine
Journal Papers > School of Medicine / Graduate School of Medicine > Cardiology
Ajou Authors
강, 대용  |  김, 대중  |  박, 광주  |  박, 주헌  |  박, 진선  |  신, 승수  |  신, 준한  |  안, 영환  |  양, 형모  |  이, 규성  |  임, 홍석  |  정, 우영  |  정, 윤정  |  탁, 승제
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