Risk of mortality associated with respiratory syncytial virus and influenza infection in adults

Yong Shik KwonSun Hyo ParkMi-Ae KimHyun Jung KimJae Seok ParkMi Young LeeChoong Won LeeSonila DautiWon-Il Choi
Dept. of Preventive Medicine (예방의학); Dept. of Internal Medicine (내과학)
Issue Date
BMC Infectious Diseases, Vol.17(1) : 785-785, 2017
BACKGROUND: Respiratory syncytial virus (RSV) infection constitutes a substantial disease burden in the general population. However, the risk of death for RSV infection has been rarely evaluated with confounders or comorbidities adjusted. We aimed to evaluate whether RSV infection is associated with higher mortality than seasonal influenza after adjusting for confounders and comorbidities and the effect of oseltamivir on the mortality in patients with influenza infection. METHODS: A retrospective cohort study was conducted on adult (≥18 years) patients admitted to the emergency department and ward of a university teaching hospital for suspected viral infection during 2013-2015 (N = 3743). RSV infection was diagnosed by multiplex PCR (N = 87). Adults hospitalized for seasonal influenza during the study period were enrolled as a comparison group (n = 312). The main outcome was 20-day all-cause mortality.We used Cox proportional hazard regression analyses to calculate the relative risk of death. RESULTS: Adult patients were less likely to be diagnosed with RSV than with influenza (2.3 vs 8.3%, respectively), were older and more likely to be diagnosed with pneumonia, chronic obstructive pulmonary disease, hypoxemia, and bacterial co-infection. In patients with RSV infection, the 20-day all-cause mortality was higher than that for influenza, (18.4 vs 6.7%, respectively). RSV infection showed significantly higher risk of death compared to the seasonal influenza group, with hazard ratio, 2.32 (95% CI, 1.17-4.58). Oseltamivir had no significant effect on mortality in patients with influenza. CONCLUSIONS: RSV infection was significantly associated with a higher risk of death than seasonal influenza, adjusted for potential confounders and comorbidities.
Influenza, humanMortalityRespiratory syncytial viruses
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1. Journal Papers (연구논문) > 1. School of Medicine (의과대학) > Dept. of Preventive Medicine (예방의학)
1. Journal Papers (연구논문) > 1. School of Medicine (의과대학) > Dept. of Internal Medicine (내과학)
Keimyung Author(s)
최원일; 박재석; 김현정; 박순효; 이미영
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