<?xml version="1.0" encoding="UTF-8"?><?xml-stylesheet type="text/xsl" href="static/style.xsl"?><OAI-PMH xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/ http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd"><responseDate>2026-04-17T03:15:15Z</responseDate><request verb="GetRecord" identifier="oai:www.recercat.cat:2072/458714" metadataPrefix="qdc">https://recercat.cat/oai/request</request><GetRecord><record><header><identifier>oai:recercat.cat:2072/458714</identifier><datestamp>2025-07-29T19:50:47Z</datestamp><setSpec>com_2072_98</setSpec><setSpec>col_2072_378192</setSpec></header><metadata><qdc:qualifieddc xmlns:qdc="http://dspace.org/qualifieddc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://purl.org/dc/elements/1.1/ http://dublincore.org/schemas/xmls/qdc/2006/01/06/dc.xsd http://purl.org/dc/terms/ http://dublincore.org/schemas/xmls/qdc/2006/01/06/dcterms.xsd http://dspace.org/qualifieddc/ http://www.ukoln.ac.uk/metadata/dcmi/xmlschema/qualifieddc.xsd">
   <dc:title>Evolution of Antimicrobial Consumption During the First Wave of COVID-19 Pandemic</dc:title>
   <dc:creator>Grau, Santiago</dc:creator>
   <dc:creator>Echeverría-Esnal, Daniel</dc:creator>
   <dc:creator>Gómez-Zorrilla, Silvia</dc:creator>
   <dc:creator>Navarrete-Rouco, Maria Eugenia</dc:creator>
   <dc:creator>Masclans, Joan R</dc:creator>
   <dc:creator>Espona, Merce</dc:creator>
   <dc:creator>Gracia-Arnillas, Maria Pilar</dc:creator>
   <dc:creator>Duran-Jordà, Xavier</dc:creator>
   <dc:creator>Comas Serrano, Mercè</dc:creator>
   <dc:creator>Horcajada, Juan Pablo</dc:creator>
   <dc:creator>Ferrández, Olivia</dc:creator>
   <dc:subject>Antimicrobial stewardship</dc:subject>
   <dc:subject>COVID-19</dc:subject>
   <dc:subject>Defined daily doses (DDD)</dc:subject>
   <dc:subject>Antimicrobial resistance</dc:subject>
   <dc:subject>Antibiotic consumption</dc:subject>
   <dcterms:abstract>Background: The first wave of COVID-19 pandemic may have significantly impacted antimicrobial consumption in hospitals. The objective of this study was to assess the evolution of antimicrobial consumption during this period. Methods : A retrospective quasi-experimental before-after study was conducted in a Spanish tertiary care hospital. The study compared two periods: pre-pandemic, from January 2018 to February 2020, and during the COVID-19 pandemic from March to June 2020. Antimicrobial consumption was analyzed monthly as defined daily doses (DDD)/100 bed-days and overall hospital and ICU consumption were evaluated. Results: An increase in the hospital consumption was noticed. Although only ceftaroline achieved statistical significance (p = 0.014), a rise was observed in most of the studied antimicrobials. A clear temporal pattern was detected. While an increase in ceftriaxone and azithromycin was observed during March, an increment in the consumption of daptomycin, carbapenems, linezolid, ceftaroline, novel cephalosporin/β-lactamase inhibitors or triazoles during April-May was noticed. In the ICU, these findings were more evident, namely ceftriaxone (p = 0.029), carbapenems (p = 0.002), daptomycin (p = 0.002), azithromycin (p = 0.030), and linezolid (p = 0.011) but followed a similar temporal pattern. Conclusion : An increase in the antimicrobial consumption during the first wave of COVID-19 pandemic was noticed, especially in the ICU. Availability of updated protocols and antimicrobial stewardship programs are essential to optimize these outcomes.</dcterms:abstract>
   <dcterms:issued>2021</dcterms:issued>
   <dc:type>Article</dc:type>
   <dc:relation>Antibiotics ; Vol. 10 (january 2021)</dc:relation>
   <dc:rights>open access</dc:rights>
   <dc:rights>Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, la comunicació pública de l'obra i la creació d'obres derivades, fins i tot amb finalitats comercials, sempre i quan es reconegui l'autoria de l'obra original.</dc:rights>
   <dc:rights>https://creativecommons.org/licenses/by/4.0/</dc:rights>
   <dc:publisher/>
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