Abstract:
PURPOSE:To compare the rate of therapeutic failure in critically ill patients treated by third-generation cephalosporins (3GCs) or piperacillin-tazobactam (PTZ) for wild-type AmpC-producing Enterobacterales pulmonary infections. METHODS:Over a 4-year period, all adult patients treated for a wild-type AmpC-producing Enterobacterales pulmonary infection were retrospectively included. Two groups of patients were compared according to the definitive antibiotic therapy (3GCs or PTZ) considered after <48 h of empirical antibiotic therapy. The main outcome was the rate of therapeutic failure (impaired clinical response under treatment and/or a relapse of pulmonary infection). The secondary outcome was a secondary acquisition of 3GCs resistance. RESULTS:Over the study period, 244 patients were included; 56 (23%) experienced therapeutic failure. In the non-adjusted cohort, the rate of therapeutic failure and emergence of resistance were significantly higher in the 3GCs group (32 vs. 18%, p = .011 and 13 vs. 5%, p = .035, respectively). In the propensity score-matched population, the use of 3GCs was associated with higher rates of therapeutic failure (HR = 1.61 [1.27-2.07]). The secondary de-escalation to 3GCs after 48 h of PTZ as a first-line antibiotic therapy was not associated with increased rate of emergence of resistance. CONCLUSION:Our study confirms that 3GCs should be avoided as first-line antibiotic therapy in wild-type AmpC-producing Enterobacterales pulmonary infections.
journal_name
J Crit Carejournal_title
Journal of critical careauthors
Carrié C,Bardonneau G,Petit L,Ouattara A,Gruson D,Pereira B,Biais Mdoi
10.1016/j.jcrc.2019.11.005subject
Has Abstractpub_date
2020-04-01 00:00:00pages
6-11eissn
0883-9441issn
1557-8615pii
S0883-9441(19)31504-7journal_volume
56pub_type
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更新日期:2018-06-01 00:00:00
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pub_type: 杂志文章,随机对照试验
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更新日期:2015-06-01 00:00:00
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更新日期:2017-08-01 00:00:00
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更新日期:2012-04-01 00:00:00
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pub_type: 杂志文章,多中心研究
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更新日期:2018-06-01 00:00:00
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更新日期:2016-06-01 00:00:00
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更新日期:2020-12-01 00:00:00
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更新日期:2014-04-01 00:00:00