{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,17]],"date-time":"2026-09-17T04:47:41Z","timestamp":1789620461766,"version":"build-2803163510"},"reference-count":19,"publisher":"American Society for Microbiology","issue":"11","license":[{"start":{"date-parts":[[2024,11,5]],"date-time":"2024-11-05T00:00:00Z","timestamp":1730764800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2024,11,5]],"date-time":"2024-11-05T00:00:00Z","timestamp":1730764800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.asm.org\/non-commercial-tdm-license"}],"content-domain":{"domain":["journals.asm.org"],"crossmark-restriction":true},"short-container-title":["Microbiol Spectr"],"published-print":{"date-parts":[[2024,11,5]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n          <jats:sec>\n            <jats:title\/>\n            <jats:p>\n              Since March 2022, an increase was observed in multidrug-resistant microorganisms (MDRO), associated with the hospital transfer of Ukrainian patients. The goal was to collect phenotypic susceptibility data and assess clinical implications. Carbapenemase-producing Enterobacterales (CPE,\n              <jats:italic>n<\/jats:italic>\n              = 96),\n              <jats:italic>Pseudomonas aeruginosa<\/jats:italic>\n              (CPPA,\n              <jats:italic>n<\/jats:italic>\n              = 20), and carbapenem-resistant\n              <jats:italic>Acinetobacter baumannii\u2013calcoaceticus<\/jats:italic>\n              (CRAB,\n              <jats:italic>n<\/jats:italic>\n              = 6) from Ukrainian patients were obtained from March to December 2022 from the Dutch MDRO surveillance. Antimicrobial susceptibility testing was performed using broth microdilution (BMD) when available, fosfomycin agar dilution, disk diffusion (DD) for cefiderocol, and diverse gradient strips. All isolates were sequenced with Illumina next-generation sequencing. For meropenem, aminoglycosides, ceftazidime\u2013avibactam, ceftolozane\u2013tazobactam, and imipenem\u2013relebactam, susceptibility rates were low (0%\u201330%), due to the high number of\n              <jats:italic>bla<\/jats:italic>\n              <jats:sub>NDM<\/jats:sub>\n              -positive isolates (79\/122; 65%). For cefiderocol, results depended on reading with or without microcolonies, applying EUCAST or CLSI breakpoints, and whether DD or BMD was used; e.g., for\n              <jats:italic>Klebsiella pneumoniae<\/jats:italic>\n              , 30%\u201397% were susceptible. For colistin, 103\/111 (93%) non-intrinsically resistant CPE\/CPPA\/CRAB isolates were susceptible. For most CPE, a low minimal inhibitory concentration (MIC) of &lt;0.5 mg\/L was measured for tigecycline and ceftazidime\u2013avibactam\u2013aztreonam. For CPPA, cefiderocol tested susceptible in 65%\u2013100% of isolates. For CRAB, ampicillin\u2013sulbactam MICs were \u2265128 mg\/L; for sulbactam\u2013durlobactam, 1\u20132 mg\/L. Admission in a Ukrainian hospital in the last year was a risk factor for MDRO, and majority were screening isolates (79%). There is extensive phenotypic resistance to last-resort antibiotics in MDRO from Ukrainian patients. Interpretation of cefiderocol susceptibility results depends on several variables. When treating patients recently admitted in Ukraine, suspected for Gram-negative bacterial infection, this should be taken into consideration.\n            <\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>IMPORTANCE<\/jats:title>\n            <jats:p>Since March 2022, multidrug-resistant microorganisms associated with Ukrainian patients have been detected in national surveillance systems of several European countries. We studied the phenotypic antimicrobial susceptibility to last-resort antibiotics of multidrug-resistant microorganisms from Ukrainian patients in the Netherlands and assessed clinical implications. Our research revealed that there was extensive phenotypic resistance to last-resort antibiotics. Healthcare professionals should be aware of multidrug-resistant microorganisms when treating patients recently admitted in Ukraine, suspected for Gram-negative bacterial infection.<\/jats:p>\n          <\/jats:sec>","DOI":"10.1128\/spectrum.01142-24","type":"journal-article","created":{"date-parts":[[2024,9,24]],"date-time":"2024-09-24T13:15:56Z","timestamp":1727183756000},"update-policy":"https:\/\/doi.org\/10.1128\/asmj-crossmark-policy-page","source":"Crossref","is-referenced-by-count":16,"title":["Antimicrobial susceptibility to last-resort antibiotics in carbapenemase-producing bacteria from Ukrainian patients"],"prefix":"10.1128","volume":"12","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-2351-2669","authenticated-orcid":false,"given":"Nelianne J.","family":"Verkaik","sequence":"first","affiliation":[{"name":"Department of Medical Microbiology and Infectious Diseases, Erasmus University Medical Center, Rotterdam, the Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2413-9088","authenticated-orcid":false,"given":"Cornelia C. H.","family":"Wielders","sequence":"additional","affiliation":[{"name":"Centre for Infectious Disease Control (CIb), National Institute for Public Health and the Environment (RIVM), Bilthoven, the Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hans","family":"den Boer","sequence":"additional","affiliation":[{"name":"Department of Medical Microbiology and Infectious Diseases, Erasmus University Medical Center, Rotterdam, the Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Diana","family":"Langerak","sequence":"additional","affiliation":[{"name":"Department of Medical Microbiology and Infectious Diseases, Erasmus University Medical Center, Rotterdam, the Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marius","family":"Vogel","sequence":"additional","affiliation":[{"name":"Department of Medical Microbiology and Infectious Diseases, Erasmus University Medical Center, Rotterdam, the Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9132-9028","authenticated-orcid":true,"given":"Sandra","family":"Witteveen","sequence":"additional","affiliation":[{"name":"Centre for Infectious Disease Control (CIb), National Institute for Public Health and the Environment (RIVM), Bilthoven, the Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1916-1835","authenticated-orcid":false,"given":"Angela","family":"de Haan","sequence":"additional","affiliation":[{"name":"Centre for Infectious Disease Control (CIb), National Institute for Public Health and the Environment (RIVM), Bilthoven, the Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jeroen","family":"Bos","sequence":"additional","affiliation":[{"name":"Centre for Infectious Disease Control (CIb), National Institute for Public Health and the Environment (RIVM), Bilthoven, the Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mireille","family":"van Westreenen","sequence":"additional","affiliation":[{"name":"Department of Medical Microbiology and Infectious Diseases, Erasmus University Medical Center, Rotterdam, the Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9494-0989","authenticated-orcid":false,"given":"Daan W.","family":"Notermans","sequence":"additional","affiliation":[{"name":"Centre for Infectious Disease Control (CIb), National Institute for Public Health and the Environment (RIVM), Bilthoven, the Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4431-9323","authenticated-orcid":true,"given":"Antoni P. A.","family":"Hendrickx","sequence":"additional","affiliation":[{"name":"Centre for Infectious Disease Control (CIb), National Institute for Public Health and the Environment (RIVM), Bilthoven, the Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"name":"on behalf of the participating laboratories","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"name":"on behalf of the SWAB Working Group Surveillance of Antimicrobial Resistance","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"235","reference":[{"key":"e_1_3_5_2_2","doi-asserted-by":"publisher","DOI":"10.2807\/1560-7917.ES.2022.27.50.2200896"},{"key":"e_1_3_5_3_2","doi-asserted-by":"publisher","DOI":"10.2807\/1560-7917.ES.2022.27.50.2200926"},{"key":"e_1_3_5_4_2","doi-asserted-by":"publisher","DOI":"10.1016\/S1473-3099(23)00291-8"},{"key":"e_1_3_5_5_2","doi-asserted-by":"publisher","DOI":"10.1186\/s13756-022-01097-9"},{"key":"e_1_3_5_6_2","doi-asserted-by":"publisher","DOI":"10.1038\/s41598-021-00205-w"},{"key":"e_1_3_5_7_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.cmi.2020.01.027"},{"key":"e_1_3_5_8_2","unstructured":"European Committee on Antimicrobial Susceptibility Testing. 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