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Original Article
- Pulmonary
- Incidence and risk factors associated with progression to severe pneumonia among adults with non-severe Legionella pneumonia
- Jin-Young Huh, Sang-Ho Choi, Kyung-Wook Jo, Jin Won Huh, Sang-Bum Hong, Tae Sun Shim, Chae-Man Lim, Younsuck Koh
- Acute Crit Care. 2022;37(4):543-549. Published online October 21, 2022
- DOI: https://doi.org/10.4266/acc.2022.00521
- 8,263 View
- 149 Download
- 6 Web of Science
- 6 Crossref
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Abstract
PDF - Background
Legionella species are important causative organisms of severe pneumonia. However, data are limited on predictors of progression to severe Legionella pneumonia (LP). Therefore, the risk factors for LP progression from non-severe to the severe form were investigated in the present study.
Methods
This was a retrospective cohort study that included adult LP patients admitted to a 2,700-bed referral center between January 2005 and December 2019.
Results
A total of 155 patients were identified during the study period; 58 patients (37.4%) initially presented with severe pneumonia and 97 (62.6%) patients with non-severe pneumonia. Among the 97 patients, 28 (28.9%) developed severe pneumonia during hospitalization and 69 patients (71.1%) recovered without progression to severe pneumonia. Multivariate logistic regression analysis showed platelet count ≤150,000/mm3 (odds ratio [OR], 2.923; 95% confidence interval [CI], 1.100–8.105; P=0.034) and delayed antibiotic treatment >1 day (OR, 3.092; 95% CI, 1.167–8.727; P=0.026) were significant independent factors associated with progression to severe pneumonia.
Conclusions
A low platelet count and delayed antibiotic treatment were significantly associated with the progression of non-severe LP to severe LP. -
Citations
Citations to this article as recorded by
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Frontiers in Medicine.2023;[Epub] CrossRef
- Understanding the Correlation between Blood Profile and the Duration of Hospitalization in Pediatric Bronchopneumonia Patients: A Cross-Sectional Original Article
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