Macrolides are associated with a better survival rate in patients hospitalized with community-acquired but not healthcare-associated pneumonia

Document Type

Article

Publication Title

Surgical Infections

Abstract

Background: Macrolide-based treatment has been associated with survival benefit in patients hospitalized with community-acquired pneumonia (CAP). However, the influence of macrolide therapy in all patients hospitalized with pneumonia, including healthcare-associated pneumonia (HCAP), is unclear. Methods: Analysis of a retrospective single-center cohort. Results: Community-acquired pneumonia was present in 220 (22.5%) of all patients with pneumonia admitted through the emergency department of Barnes-Jewish Hospital, and HCAP was present in 757. Macrolide-based treatment was administered to 411 patients (42.1%). These patients were more likely to have CAP than were patients not receiving macrolide-based therapy (35.3% vs. 13.3%; p<0.001) and had lower scores on the CURB-65 tool, a measure of the severity of illness (2.4±1.5 vs. 3.1±1.3; p<0.001). Patients receiving macrolides also had a lower hospital mortality rate in univariable analysis (12.7% vs. 27.2%; p<0.001). A propensity score analysis showed that macrolide-based treatment was associated with a lower in-hospital mortality rate (adjusted odds ratio [AOR] 0.67; 95% confidence interval [CI] 0.54-0.81; p=0.043). Separate propensity score analyses of patients with CAP (AOR 0.20; 95% CI 0.11-0.34; p=0.003) and HCAP (AOR 0.81; 95% CI 0.65-1.01; p=0.337) produced discordant findings. Conclusions: Macrolide-based treatment was associated with better survival in patients hospitalized with pneumonia. The survival advantage appeared predominantly among patients with CAP. © Mary Ann Liebert, Inc.

First Page

283

Last Page

289

DOI

10.1089/sur.2013.076

Publication Date

6-1-2014

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