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01-04-2013 | Original

Macrolide-based regimens in absence of bacterial co-infection in critically ill H1N1 patients with primary viral pneumonia

Authors: I. Martín-Loeches, J. F. Bermejo-Martin, J. Vallés, R. Granada, L. Vidaur, J. C. Vergara-Serrano, M. Martín, J. C. Figueira, J. M. Sirvent, J. Blanquer, D. Suarez, A. Artigas, A. Torres, E. Diaz, A. Rodriguez, SEMICYUC/REIPI/CIBERES H1N1 Working Group

Published in: Intensive Care Medicine | Issue 4/2013

Abstract

Purpose

To determine whether macrolide-based treatment is associated with mortality in critically ill H1N1 patients with primary viral pneumonia.

Methods

Secondary analysis of a prospective, observational, multicenter study conducted across 148 Intensive Care Units (ICU) in Spain.

Results

Primary viral pneumonia was present in 733 ICU patients with pandemic influenza A (H1N1) virus infection with severe respiratory failure. Macrolide-based treatment was administered to 190 (25.9 %) patients. Patients who received macrolides had chronic obstructive pulmonary disease more often, lower severity on admission (APACHE II score on ICU admission (13.1 ± 6.8 vs. 14.4 ± 7.4 points, p < 0.05), and multiple organ dysfunction syndrome less often (23.4 vs. 30.1 %, p < 0.05). Length of ICU stay in survivors was not significantly different in patients who received macrolides compared to patients who did not (10 (IQR 4–20) vs. 10 (IQR 5–20), p = 0.9). ICU mortality was 24.1 % (n = 177). Patients with macrolide-based treatment had lower ICU mortality in the univariate analysis (19.2 vs. 28.1 %, p = 0.02); however, a propensity score analysis showed no effect of macrolide-based treatment on ICU mortality (OR = 0.87; 95 % CI 0.55–1.37, p = 0.5). Moreover, the sensitivity analysis revealed very similar results (OR = 0.91; 95 % CI 0.58–1.44, p = 0.7). A separate analysis of patients under mechanical ventilation yielded similar results (OR = 0.77; 95 % CI 0.44–1.35, p = 0.4).

Conclusion

Our results suggest that macrolide-based treatment was not associated with improved survival in critically ill H1N1 patients with primary viral pneumonia.

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Title: Macrolide-based regimens in absence of bacterial co-infection in critically ill H1N1 patients with primary viral pneumonia
Authors: I. Martín-Loeches
J. F. Bermejo-Martin
J. Vallés
R. Granada
L. Vidaur
J. C. Vergara-Serrano
M. Martín
J. C. Figueira
J. M. Sirvent
J. Blanquer
D. Suarez
A. Artigas
A. Torres
E. Diaz
A. Rodriguez
SEMICYUC/REIPI/CIBERES H1N1 Working Group
Publication date: 01-04-2013
Publisher: Springer-Verlag
Published in: Intensive Care Medicine / Issue 4/2013
Print ISSN: 0342-4642
Electronic ISSN: 1432-1238
DOI: https://doi.org/10.1007/s00134-013-2829-8

At a glance: The STEP trials

Springer Medicine

Macrolide-based regimens in absence of bacterial co-infection in critically ill H1N1 patients with primary viral pneumonia

Abstract

Purpose

Methods

Results

Conclusion

At a glance: The STEP trials

Springer Medicine

Abstract

Purpose

Methods

Results

Conclusion

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