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  • Clinical features and etiological characteristics of co-infections in adult patients with rhinovirus pneumonia

    ObjectiveTo explore the clinical features, etiological characteristics of co-infections in adult patients with rhinovirus pneumonia.MethodsFourty-nine patients admitted to hospitals for rhinovirus pneumonia were enrolled from 8 medical centers in mainland China between August 2016 and August 2018. Multiplex real-time polymerase chain reaction assays for viral detection were implemented to all bronchoalveolar lavage fluid specimens obtained from the patients. The patients were divided into two groups depending on the status of other etiology co-infection (simple rhinovirus pneumonia group, n=24; coinfections group, n=25). The general data were collected, age, gender, underlying diseases, corticosteroids, symptoms, disease severity, imaging manifestations, etiology, whether patients with respiratory failure, mechanical ventilation, whether the application of vasoactive drugs, antibiotics application, hospital mortality rate of the two groups were reviewed and compared in detail.ResultsThirteen patients (26.5%) with rhinovirus pneumonia had no underlying diseases, 8 patients (16.3%) with chronic underlying lung diseases, 6 patients (12.2%) with diabetes mellitus, 10 patients (20.4%) were immunocompromised patients, 16 patients (32.7%) with respiratory failure, and the hospital mortality rate was 8.2% (4/49). Cases with coinfection were remarkably correlated with more cerebrovascular diseases and disturbance of consciousness, higher PSI score and higher ratio of CURB-65 score >1, more respiratory failure and hospital mortality than those of simple rhinovirus pneumonia group (P< 0.05). There were 25 cases (51.0%) with mixed infection, including 18 bacteria (36.7%), 12 viruses (24.5%), 12 (24.5%) fungi (pneumocystis, aspergillus). Enterobacter and Pseudomonas aeruginosa were most frequently identified bacteria in the viral-bacterial group. Four patients with coinfections died.ConclusionsRhinovirus pneumonia in adult patients often has underlying diseases, and is prone to coinfections (bacteria, fungi, and other viruses). The outcome of these patients is always poor.

    Release date:2020-11-24 05:41 Export PDF Favorites Scan
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