Prevalence and clinical correlates of chronic obstructive pulmonary disease in heart failure patients: a cross-sectional study in China

BackgroundDespite chronic obstructive pulmonary disease’s (COPD)'s prevalence in the general populace, its incidence in heart failure (HF) patients is understudied. This study aimed to assess COPD prevalence and clinical associations in Chinese HF patients.MethodsFrom the Chinese Heart Failure...

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Main Authors: Ailing Zhu, Manman Hu, Dehai Ge, Xiujian Zhang, Jinfeng Zhang, Yangchun Wang, Xin Yao, Junjun Liu
Format: Article
Language:English
Published: Frontiers Media S.A. 2025-02-01
Series:Frontiers in Medicine
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Online Access:https://www.frontiersin.org/articles/10.3389/fmed.2025.1477388/full
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author Ailing Zhu
Manman Hu
Dehai Ge
Xiujian Zhang
Jinfeng Zhang
Yangchun Wang
Xin Yao
Junjun Liu
author_facet Ailing Zhu
Manman Hu
Dehai Ge
Xiujian Zhang
Jinfeng Zhang
Yangchun Wang
Xin Yao
Junjun Liu
author_sort Ailing Zhu
collection DOAJ
description BackgroundDespite chronic obstructive pulmonary disease’s (COPD)'s prevalence in the general populace, its incidence in heart failure (HF) patients is understudied. This study aimed to assess COPD prevalence and clinical associations in Chinese HF patients.MethodsFrom the Chinese Heart Failure Study, demographic and clinical details of 2008 HF patients were analyzed. Divided into 233 COPD cases and 1775 non-COPD controls, a multivariable logistic regression identified factors linked to COPD onset in HF, with thorough examination of intergroup clinical differences.ResultsThe incidence of COPD in HF individuals was 11.60% (233/2008). The COPD subgroup featured a higher ratio of individuals over 60 and males, alongside lower systolic blood pressure (SBP), body mass index (BMI), higher Charlson Comorbidity Index (CCI) scores, and increased PaCO₂ levels (p < 0.05). Type II respiratory failure and right ventricular dysfunction (RVD) were more prevalent in the COPD subgroup (p < 0.001). Binary logistic regression, after adjustments, indicated positive associations between COPD and age over 60 (OR = 3.831, 95%CI: 1.085–13.526, p = 0.037), male sex (OR = 1.587, 95%CI: 1.032–2.441, p = 0.036), higher CCI (OR = 2.214, 95%CI: 1.796–2.729, p < 0.001), elevated PaCO2 (OR = 1.035, 95%CI: 1.015–1.055, p < 0.001), and RVD (OR = 0.605, 95%CI: 0.119–3.063, p = 0.544). Inversely, higher SBP (OR = 0.990, 95%CI: 0.982–0.998, p = 0.020) and log (triglycerides) (OR = 0.183, 95%CI: 0.064–0.552, p = 0.002) were negatively correlated with COPD in HF patients.ConclusionIn a large cohort of Chinese Heart Failure (HF) patients, our study revealed a notable COPD prevalence. Key risk factors included age, sex, elevated PaCO2, CCI score, and right heart failure, while higher SBP and triglyceride levels offered protection. These insights lay groundwork for probing disease mechanisms and therapeutic approaches.
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spelling doaj-art-b3d2dd296bbd44c7be6fa89a1e745b7e2025-02-03T15:17:12ZengFrontiers Media S.A.Frontiers in Medicine2296-858X2025-02-011210.3389/fmed.2025.14773881477388Prevalence and clinical correlates of chronic obstructive pulmonary disease in heart failure patients: a cross-sectional study in ChinaAiling Zhu0Manman Hu1Dehai Ge2Xiujian Zhang3Jinfeng Zhang4Yangchun Wang5Xin Yao6Junjun Liu7Nanjing Meishan Hospital, Nanjing, ChinaNanjing Meishan Hospital, Nanjing, ChinaNanjing Meishan Hospital, Nanjing, ChinaNanjing Meishan Hospital, Nanjing, ChinaNanjing Meishan Hospital, Nanjing, ChinaNanjing Meishan Hospital, Nanjing, ChinaThe First Affiliated Hospital of Nanjing Medical University, Nanjing, ChinaNanjing Meishan Hospital, Nanjing, ChinaBackgroundDespite chronic obstructive pulmonary disease’s (COPD)'s prevalence in the general populace, its incidence in heart failure (HF) patients is understudied. This study aimed to assess COPD prevalence and clinical associations in Chinese HF patients.MethodsFrom the Chinese Heart Failure Study, demographic and clinical details of 2008 HF patients were analyzed. Divided into 233 COPD cases and 1775 non-COPD controls, a multivariable logistic regression identified factors linked to COPD onset in HF, with thorough examination of intergroup clinical differences.ResultsThe incidence of COPD in HF individuals was 11.60% (233/2008). The COPD subgroup featured a higher ratio of individuals over 60 and males, alongside lower systolic blood pressure (SBP), body mass index (BMI), higher Charlson Comorbidity Index (CCI) scores, and increased PaCO₂ levels (p < 0.05). Type II respiratory failure and right ventricular dysfunction (RVD) were more prevalent in the COPD subgroup (p < 0.001). Binary logistic regression, after adjustments, indicated positive associations between COPD and age over 60 (OR = 3.831, 95%CI: 1.085–13.526, p = 0.037), male sex (OR = 1.587, 95%CI: 1.032–2.441, p = 0.036), higher CCI (OR = 2.214, 95%CI: 1.796–2.729, p < 0.001), elevated PaCO2 (OR = 1.035, 95%CI: 1.015–1.055, p < 0.001), and RVD (OR = 0.605, 95%CI: 0.119–3.063, p = 0.544). Inversely, higher SBP (OR = 0.990, 95%CI: 0.982–0.998, p = 0.020) and log (triglycerides) (OR = 0.183, 95%CI: 0.064–0.552, p = 0.002) were negatively correlated with COPD in HF patients.ConclusionIn a large cohort of Chinese Heart Failure (HF) patients, our study revealed a notable COPD prevalence. Key risk factors included age, sex, elevated PaCO2, CCI score, and right heart failure, while higher SBP and triglyceride levels offered protection. These insights lay groundwork for probing disease mechanisms and therapeutic approaches.https://www.frontiersin.org/articles/10.3389/fmed.2025.1477388/fullCOPDHFprevalenceclinical correlatesCCI scorelipid metabolism
spellingShingle Ailing Zhu
Manman Hu
Dehai Ge
Xiujian Zhang
Jinfeng Zhang
Yangchun Wang
Xin Yao
Junjun Liu
Prevalence and clinical correlates of chronic obstructive pulmonary disease in heart failure patients: a cross-sectional study in China
Frontiers in Medicine
COPD
HF
prevalence
clinical correlates
CCI score
lipid metabolism
title Prevalence and clinical correlates of chronic obstructive pulmonary disease in heart failure patients: a cross-sectional study in China
title_full Prevalence and clinical correlates of chronic obstructive pulmonary disease in heart failure patients: a cross-sectional study in China
title_fullStr Prevalence and clinical correlates of chronic obstructive pulmonary disease in heart failure patients: a cross-sectional study in China
title_full_unstemmed Prevalence and clinical correlates of chronic obstructive pulmonary disease in heart failure patients: a cross-sectional study in China
title_short Prevalence and clinical correlates of chronic obstructive pulmonary disease in heart failure patients: a cross-sectional study in China
title_sort prevalence and clinical correlates of chronic obstructive pulmonary disease in heart failure patients a cross sectional study in china
topic COPD
HF
prevalence
clinical correlates
CCI score
lipid metabolism
url https://www.frontiersin.org/articles/10.3389/fmed.2025.1477388/full
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