Ontology type: schema:ScholarlyArticle Open Access: True
2016-12
AUTHORSPhilippe Montravers, Pascal Augustin, Nathalie Grall, Mathieu Desmard, Nicolas Allou, Jean-Pierre Marmuse, Jean Guglielminotti
ABSTRACTBACKGROUND: De-escalation is strongly recommended for antibiotic stewardship. No studies have addressed this issue in the context of health care-associated intra-abdominal infections (HCIAI). We analyzed the factors that could interfere with this process and their clinical consequences in intensive care unit (ICU) patients with HCIAI. METHODS: All consecutive patients admitted for the management of HCIAI who survived more than 3 days following their diagnosis, who remained in the ICU for more than 3 days, and who did not undergo early reoperation during the first 3 days were analyzed prospectively in an observational, single-center study in a tertiary care university hospital. RESULTS: Overall, 311 patients with HCIAI were admitted to the ICU. De-escalation was applied in 110 patients (53%), and no de-escalation was reported in 96 patients (47%) (escalation in 65 [32%] and unchanged regimen in 31 [15%]). Lower proportions of Enterococcus faecium, nonfermenting Gram-negative bacilli (NFGNB), and multidrug-resistant (MDR) strains were cultured in the de-escalation group. No clinical difference was observed at day 7 between patients who were de-escalated and those who were not. Determinants of de-escalation in multivariate analysis were adequate empiric therapy (OR 9.60, 95% CI 4.02-22.97) and empiric use of vancomycin (OR 3.39, 95% CI 1.46-7.87), carbapenems (OR 2.64, 95% CI 1.01-6.91), and aminoglycosides (OR 2.31 95% CI 1.08-4.94). The presence of NFGNB (OR 0.28, 95% CI 0.09-0.89) and the presence of MDR bacteria (OR 0.21, 95% CI 0.09-0.52) were risk factors for non-de-escalation. De-escalation did not change the overall duration of therapy. The risk factors for death at day 28 were presence of fungi (HR 2.64, 95% CI 1.34-5.17), Sequential Organ Failure Assessment score on admission (HR 1.29, 95% CI 1.16-1.42), and age (HR 1.03, 95% CI 1.01-1.05). The survival rate expressed by a Kaplan-Meier curve was similar between groups (log-rank test p value 0.176). CONCLUSIONS: De-escalation is a feasible option in patients with polymicrobial infections such as HCIAI, but MDR organisms and NFGNB limit its implementation. More... »
PAGES83
http://scigraph.springernature.com/pub.10.1186/s13054-016-1267-8
DOIhttp://dx.doi.org/10.1186/s13054-016-1267-8
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PUBMEDhttps://www.ncbi.nlm.nih.gov/pubmed/27052675
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