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Title:	Effectiveness of combination therapy versus monotherapy with a third-generation cephalosporin in bacteraemic pneumococcal pneumonia: A propensity score analysis
Author:	Calle, C. De la; Ternavasio de la Vega, H. G.; Morata, Laura; Marco Reverté, Francesc; Cardozo Espinola, Celia; Garcia Vidal, Carolina; Rio, Ana del; Cillóniz, Catia; Torres Martí, Antoni; Martínez, José Antonio; Mensa Pueyo, Josep; Soriano Viladomiu, Alex
Notes:	Objective: Combining a macrolide or a fluoroquinolone to beta-lactam regimens in the treatment of patients with moderate to severe community-acquired pneumonia is recommended by the international guidelines. However, the information in patients with bacteraemic pneumococcal pneumonia is limited. Methods: A propensity score technique was used to analyze prospectively collected data from all patients with bacteraemic pneumococcal pneumonia admitted from 2000 to 2015 in our institution, who had received empirical treatment with third-generation cephalosporin in monotherapy or plus macrolide or fluoroquinolone. Results: We included 69 patients in the monotherapy group and 314 in the combination group. After adjustment by PS for receiving monotherapy, 30-day mortality (OR 2.89; 95% CI 1.07-7.84) was significantly higher in monotherapy group. A higher 30-day mortality was observed in monotherapy group in both 1:1 and 1:2 matched samples although it was statistically significant only in 1:2 sample (OR: 3.50 (95% CI 1.03-11.96), P = 0.046). Conclusions: Our study suggests that in bacteraemic pneumococcal pneumonia, empirical therapy with a third-generation cephalosporin plus a macrolide or a fluoroquinolone is associated with a lower mortality rate than beta-lactams in monotherapy. These results support the recommendation of combination therapy in patients requiring admission with moderate to severe disease.
Subject(s):	-Pneumònia -Pneumococs -Pneumonia -Streptococcus pneumonia
Rights:	cc-by-nc-nd (c) The British Infection Association, 2018 http://creativecommons.org/licenses/by-nc-nd/3.0/es
Document type:	Article Article - Accepted version
Published by:	Elsevier
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