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Complications of Cardiovascular Events in Patients Hospitalized with Influenza-Related Pneumonia

Authors Chen L, Han X, Li Y, Zhang C, Xing X

Received 5 February 2021

Accepted for publication 25 March 2021

Published 9 April 2021 Volume 2021:14 Pages 1363—1373

DOI https://doi.org/10.2147/IDR.S305509

Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 2

Editor who approved publication: Dr Héctor M. Mora-Montes


Liang Chen,1 Xiudi Han,2 YanLi Li,3 Chunxiao Zhang,4 Xiqian Xing5

1Department of Infectious Diseases, Beijing Jishuitan Hospital, 4th Medical College of Peking University, Beijing, People’s Republic of China; 2Department of Pulmonary and Critical Care Medicine, Qingdao Municipal Hospital, Qingdao City, People’s Republic of China; 3Department of Infectious Diseases and Clinical Microbiology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, People’s Republic of China; 4Department of Pulmonary and Critical Care Medicine, Beijing Huimin Hospital, Beijing, People’s Republic of China; 5Department of Pulmonary and Critical Care Medicine, The 2nd People’s Hospital of Yunnan Province, Kunming City, People’s Republic of China

Correspondence: Liang Chen Email [email protected]

Purpose: Influenza virus infections are a key cause of community-acquired pneumonia (CAP). Cardiovascular events (CVEs) are common among CAP and influenza patients, but there have been few population-based studies of influenza-related pneumonia (Flu-p) patients published to date.
Methods: A retrospective analysis of 1191 immunocompetent hospitalized adult Flu-p patients from January 2012 to December 2018 in five teaching hospitals in China was conducted.
Results: A total of 24.6% (293/1191) of patients developed at least one form of CVE-related complication while hospitalized. In a multivariate logistic regression analysis, hypertension, cerebrovascular disease, coronary artery disease, preexisting heart failure, systolic blood pressure < 90 mmHg, respiratory rates ≥ 30 breaths/min, a lymphocyte count < 0.8× 109/L, PaO2/FiO2 < 300 mmHg, and systemic corticosteroid administration were independently associated with the incidence of CVEs; while early neuraminidase inhibitor treatment and angiotensin converting enzyme inhibitors/angiotensin II receptor blocker treatment were associated with a lower risk of CVEs. After controlling for potential confounding variables, we determined that CVEs were linked to a higher risk of 30-day mortality (OR 3.307, 95% CI 2.198– 4.975, p < 0.001) in Flu-p patients.
Conclusion: CVE-related complications are common among hospitalized Flu-p patients and are associated with negative patient outcomes. Clarifying these CVE-related risk factors can aid in their clinical prevention and management.

Keywords: cardiovascular event, influenza-related pneumonia, risk factor, clinical outcome

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