J Clin Med . Impact of Corticosteroid Administration within 7 Days of the Hospitalization for Influenza Pneumonia with Respiratory Failure: A Propensity Score Analysis Using a Nationwide Administrative Database

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J Clin Med


. 2021 Jan 31;10(3):494.
doi: 10.3390/jcm10030494.
Impact of Corticosteroid Administration within 7 Days of the Hospitalization for Influenza Pneumonia with Respiratory Failure: A Propensity Score Analysis Using a Nationwide Administrative Database


Daisuke Okuno ¹ , Takashi Kido ¹ , Keiji Muramatsu ² , Kei Tokutsu ² , Sakiko Moriyama ¹ , Takuto Miyamura ¹ , Atsuko Hara ¹ , Hiroshi Ishimoto ¹ , Hiroyuki Yamaguchi ¹ , Taiga Miyazaki ³ , Noriho Sakamoto ¹ , Yasushi Obase ¹ , Yuji Ishimatsu ⁴ , Yoshihisa Fujino ⁵ , Kazuhiro Yatera ⁶ , Shinya Matsuda ² , Hiroshi Mukae ¹



Affiliations

• PMID: 33572558
• DOI: 10.3390/jcm10030494

Abstract

Influenza pneumonia, which causes acute respiratory distress syndrome and multiple organ failure, has no established management protocol. Recently, corticosteroid therapy was used to treat coronavirus disease 2019 with respiratory failure; however, its effectiveness as a treatment for influenza pneumonia remains controversial. To investigate the impact of corticosteroid therapy for the early phase of severe influenza pneumonia, we compared influenza pneumonia patients with respiratory failure treated with or without corticosteroids within 7 days after hospital admission using a Japanese nationwide administrative database. The primary endpoint was the mortality rate. The secondary endpoints were duration of intensive-care unit management, invasive mechanical ventilation, and hospital stay. The inverse probability weighting method with estimated propensity scores was used to minimize the data collection bias. We included 3519 patients with influenza pneumonia with respiratory failure. Of these, 875 were treated with corticosteroids. There was no significant difference between the groups regarding 30-day and 90-day mortality, duration of intensive-care unit management, invasive mechanical ventilation, and hospital stay. However, the in-hospital mortality rate was higher in the corticosteroid group. The use of systematic corticosteroid therapy in patients with influenza pneumonia was associated with a higher in-hospital mortality rate.

Keywords: ARDS; infection and inflammation; influenza; viral infection.