Clinical features and prognostic factors of parainfluenza virus infections in adult patients

Zhonghua yi xue za zhi
L J LiB Cao

Abstract

Objective: To explore the clinical features and prognostic factors of parainfluenza viral lower respiratory tract infections in adults. Methods: A total of 70 patients withpositive nucleic acid of parainfluenza virus (PIV) admitted to China-Japan Friendship Hospital between August 2016 and November 2019 were enrolled. Multiplex real-time polymerase chain reaction (RT-PCR) assays for viral detection were implemented to specimens (nasopharynx swab, sputum or bronchoalveolar lavage) obtained from all the patients, which was consistent with the diagnosis of lower respiratory tract infection. Patients were divided into two groups depending on the status of immune function (immunocompromised group, n=26; immunocompetent group, n=44), and patients were divided into PIV infection group (n=43) and mixed infection group (n=27) according to whether there was mixed infection. Characteristics including age, gender, underlying diseases, symptoms, disease severity, imaging manifestations, etiology, respiratory failure, mechanical ventilation, vasoactive drug, antimicrobial drug and 30-day mortality between the groups were compared, and the prognostic factors of PIV infections were investigated using Cox regression. Results: The peak incidence...Continue Reading

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