The prevalence and clinical features of pulmonary embolism in patients with AE-COPD: A meta-analysis and systematic review

Xiaofang Fu, Yonghong Zhong, Wucheng Xu, Jiangang Ju, Min Yu, Minjie Ge, Xiaofei Gu, Qingqing Chen, Yibo Sun, Huaqiong Huang and Linfeng Shen

PLOS ONE, 2021, vol. 16, issue 9, 1-14

Abstract: Background: The prevalence of pulmonary embolism (PE) in the acute exacerbation of chronic obstructive pulmonary disease (AE-COPD) is highly controversial. We conducted a systematic review and meta-analysis to summarize the epidemiology and characteristics of PE with AE-COPD for current studies. Methods: We searched the PubMed, EMBASE, Cochrane Library and Web of Science databases for studies published prior to October 21, 2020. Pooled proportions with 95% confidence intervals (95% CIs) were calculated using a random effects model. Odds ratios (ORs) and mean differences (MDs) with 95% confidence intervals were used as effect measures for dichotomous and continuous variables, respectively. Results: A total of 17 studies involving 3170 patients were included. The prevalence of PE and deep vein thrombosis (DVT) in AE-COPD patients was 17.2% (95% CI: 13.4%-21.3%) and 7.1% (95% CI: 3.7%-11.4%%), respectively. Dyspnea (OR = 6.77, 95% CI: 1.97–23.22), pleuritic chest pain (OR = 3.25, 95% CI: 2.06–5.12), lower limb asymmetry or edema (OR = 2.46, 95% CI:1.51–4.00), higher heart rates (MD = 20.51, 95% CI: 4.95–36.08), longer hospital stays (MD = 3.66, 95% CI: 3.01–4.31) were associated with the PE in the AE-COPD patients. Levels of D-dimer (MD = 1.51, 95% CI: 0.80–2.23), WBC counts (MD = 1.42, 95% CI: 0.14–2.70) were significantly higher and levels of PaO2 was lower (MD = -17.20, 95% CI: -33.94- -0.45, P

Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0256480

DOI: 10.1371/journal.pone.0256480

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