Clinical Strains of Chryseobacterium and Elizabethkingia spp. Isolated from Pediatric Patients in a University Hospital: Performance of MALDI-TOF MS-Based Identification, Antimicrobial Susceptibilities, and Baseline Patient Characteristics

Our objective was to evaluate the performance of matrix-assisted laser desorption ionization time-of-flight mass spectrometry (MALDI-TOF MS) for identification of the Chryseobacterium and Elizabethkingia spp. isolated from pediatric patients at Hacettepe University Hospital using 16S rRNA gene seque...

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Veröffentlicht in:Microbial drug resistance (Larchmont, N.Y.) N.Y.), 2018-07, Vol.24 (6), p.816-821
Hauptverfasser: Mirza, Hasan Cenk, Tuncer, Özlem, Ölmez, Serpil, Şener, Burçin, Tuğcu, Gökçen Dilşa, Özçelik, Uğur, Gürsoy, Nafia Canan, Otlu, Barış, Büyükçam, Ayşe, Kara, Ateş, Sancak, Banu
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container_end_page 821
container_issue 6
container_start_page 816
container_title Microbial drug resistance (Larchmont, N.Y.)
container_volume 24
creator Mirza, Hasan Cenk
Tuncer, Özlem
Ölmez, Serpil
Şener, Burçin
Tuğcu, Gökçen Dilşa
Özçelik, Uğur
Gürsoy, Nafia Canan
Otlu, Barış
Büyükçam, Ayşe
Kara, Ateş
Sancak, Banu
description Our objective was to evaluate the performance of matrix-assisted laser desorption ionization time-of-flight mass spectrometry (MALDI-TOF MS) for identification of the Chryseobacterium and Elizabethkingia spp. isolated from pediatric patients at Hacettepe University Hospital using 16S rRNA gene sequencing as the gold standard and to determine the antimicrobial susceptibility patterns of the isolates and baseline characteristics of patients. All stored Chryseobacterium and Elizabethkingia spp. isolated from various clinical specimens (sputum, blood, and urine) of pediatric patients at Hacettepe University Hospital between 2012 and 2016 were included in this study. Minimum inhibitory concentrations of 10 antimicrobial agents were determined by Etest for all isolates. To determine the baseline characteristics of patients, medical records of all patients were retrospectively reviewed. In total, 18 isolates of Chryseobacterium spp. (16 C. indologenes , 2 C. gleum ) and 5 isolates of Elizabethkingia spp. (3 E. meningoseptica , 2 E. anophelis ) were identified by 16S rRNA sequencing. MALDI-TOF MS correctly identified 19 (82.6%) isolates to the species level. The quinolones (ciprofloxacin and levofloxacin), trimethoprim/sulfamethoxazole and piperacillin/tazobactam showed the highest spectrum of activity against the overall collection of isolates. Cystic fibrosis (CF) was the underlying disease in 81.8% of patients. To our knowledge, this study includes the largest number of Chryseobacterium spp. isolated from clinical specimens of pediatric patients in Turkey. In this study, we also report the first clinical isolate of E. anophelis in Turkey. Since, the majority of strains were isolated from patients with CF; larger, prospective clinical studies are needed to establish whether chryseobacteria could be considered as an emerging opportunistic pathogen in patients with CF.
doi_str_mv 10.1089/mdr.2017.0206
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All stored Chryseobacterium and Elizabethkingia spp. isolated from various clinical specimens (sputum, blood, and urine) of pediatric patients at Hacettepe University Hospital between 2012 and 2016 were included in this study. Minimum inhibitory concentrations of 10 antimicrobial agents were determined by Etest for all isolates. To determine the baseline characteristics of patients, medical records of all patients were retrospectively reviewed. In total, 18 isolates of Chryseobacterium spp. (16 C. indologenes , 2 C. gleum ) and 5 isolates of Elizabethkingia spp. (3 E. meningoseptica , 2 E. anophelis ) were identified by 16S rRNA sequencing. MALDI-TOF MS correctly identified 19 (82.6%) isolates to the species level. The quinolones (ciprofloxacin and levofloxacin), trimethoprim/sulfamethoxazole and piperacillin/tazobactam showed the highest spectrum of activity against the overall collection of isolates. Cystic fibrosis (CF) was the underlying disease in 81.8% of patients. 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methods</subject><subject>Opportunist infection</subject><subject>Patients</subject><subject>Pediatrics</subject><subject>Piperacillin</subject><subject>Quinolones</subject><subject>Retrospective Studies</subject><subject>RNA, Ribosomal, 16S - genetics</subject><subject>rRNA 16S</subject><subject>Scientific imaging</subject><subject>Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization - methods</subject><subject>Sputum</subject><subject>Sputum - microbiology</subject><subject>Sulfamethoxazole</subject><subject>Tazobactam</subject><subject>Trimethoprim</subject><subject>Turkey</subject><subject>University faculty</subject><subject>Urine</subject><subject>Urine - microbiology</subject><issn>1076-6294</issn><issn>1931-8448</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNqFUk1v1DAQjRCIloUjV2SJC4dmsfNtbsvS0pW2aqW252jsTOiUxE5tL9Lyp_kLOGzLgQuSpbGt5zfveV6SvBV8KXgjP46dW2Zc1Eue8epZcixkLtKmKJrncc_rKq0yWRwlr7y_55yXospfJkeZzLJaNM1x8ms9kCENA7sODsh4Znu2vnN7j1aBDuhoNzIwHTsd6CcoDHffyXwjYH6almzj7QABO9Y7O7Ir7AiCI82uIBCa4BkZBuzW0A90nsKenVs_UYDhUwS73roRjMa558Vq-2WT3lyesYvr9DP4yLnpIgX1UV0ga07YKp5G0s4qmvXuvMYpkKKBYjN_8kfl_DI6wicF0Qu4gw8fSPvXyYseBo9vHusiuT07vVmfp9vLr5v1apvqvCpDKvuC11J2nHccepGDlgLjh5XlvGqOjS55o4pM5R1Co4ArFQtmRa-VKmW-SD4ceCdnH3boQztS1DsMYNDufCtkXZYyq8o6Qt__A723O2eiujYTPOdSyDi1RZIeUNG_9w77dnI0gtu3grdzEtqYhHZOQjsnIeLfPbLu1IjdX_TT6CMgPwDmazBmIFTown9ofwMW3MTe</recordid><startdate>20180701</startdate><enddate>20180701</enddate><creator>Mirza, Hasan Cenk</creator><creator>Tuncer, Özlem</creator><creator>Ölmez, Serpil</creator><creator>Şener, Burçin</creator><creator>Tuğcu, Gökçen Dilşa</creator><creator>Özçelik, Uğur</creator><creator>Gürsoy, Nafia Canan</creator><creator>Otlu, Barış</creator><creator>Büyükçam, Ayşe</creator><creator>Kara, Ateş</creator><creator>Sancak, Banu</creator><general>Mary Ann Liebert, Inc</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7QL</scope><scope>7QP</scope><scope>7QR</scope><scope>7T7</scope><scope>7TK</scope><scope>7X7</scope><scope>7XB</scope><scope>88A</scope><scope>88E</scope><scope>88I</scope><scope>8C1</scope><scope>8FD</scope><scope>8FE</scope><scope>8FH</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FR3</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>K9.</scope><scope>LK8</scope><scope>M0S</scope><scope>M1P</scope><scope>M2P</scope><scope>M7N</scope><scope>M7P</scope><scope>P64</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>Q9U</scope><scope>7X8</scope></search><sort><creationdate>20180701</creationdate><title>Clinical Strains of Chryseobacterium and Elizabethkingia spp. Isolated from Pediatric Patients in a University Hospital: Performance of MALDI-TOF MS-Based Identification, Antimicrobial Susceptibilities, and Baseline Patient Characteristics</title><author>Mirza, Hasan Cenk ; Tuncer, Özlem ; Ölmez, Serpil ; Şener, Burçin ; Tuğcu, Gökçen Dilşa ; Özçelik, Uğur ; Gürsoy, Nafia Canan ; Otlu, Barış ; Büyükçam, Ayşe ; Kara, Ateş ; Sancak, Banu</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c365t-9f40799d00d0af13ac91e18855855870e8c508b42b3dea8ba0bba8be24fcbb593</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Adolescent</topic><topic>Anti-Bacterial Agents - 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All stored Chryseobacterium and Elizabethkingia spp. isolated from various clinical specimens (sputum, blood, and urine) of pediatric patients at Hacettepe University Hospital between 2012 and 2016 were included in this study. Minimum inhibitory concentrations of 10 antimicrobial agents were determined by Etest for all isolates. To determine the baseline characteristics of patients, medical records of all patients were retrospectively reviewed. In total, 18 isolates of Chryseobacterium spp. (16 C. indologenes , 2 C. gleum ) and 5 isolates of Elizabethkingia spp. (3 E. meningoseptica , 2 E. anophelis ) were identified by 16S rRNA sequencing. MALDI-TOF MS correctly identified 19 (82.6%) isolates to the species level. The quinolones (ciprofloxacin and levofloxacin), trimethoprim/sulfamethoxazole and piperacillin/tazobactam showed the highest spectrum of activity against the overall collection of isolates. Cystic fibrosis (CF) was the underlying disease in 81.8% of patients. To our knowledge, this study includes the largest number of Chryseobacterium spp. isolated from clinical specimens of pediatric patients in Turkey. In this study, we also report the first clinical isolate of E. anophelis in Turkey. Since, the majority of strains were isolated from patients with CF; larger, prospective clinical studies are needed to establish whether chryseobacteria could be considered as an emerging opportunistic pathogen in patients with CF.</abstract><cop>United States</cop><pub>Mary Ann Liebert, Inc</pub><pmid>29227188</pmid><doi>10.1089/mdr.2017.0206</doi><tpages>6</tpages></addata></record>
fulltext fulltext
identifier ISSN: 1076-6294
ispartof Microbial drug resistance (Larchmont, N.Y.), 2018-07, Vol.24 (6), p.816-821
issn 1076-6294
1931-8448
language eng
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source MEDLINE; Alma/SFX Local Collection
subjects Adolescent
Anti-Bacterial Agents - therapeutic use
Antiinfectives and antibacterials
Antimicrobial agents
Blood - microbiology
Child
Child, Preschool
Chryseobacterium
Chryseobacterium - drug effects
Chryseobacterium - genetics
Chryseobacterium - isolation & purification
Ciprofloxacin
Cystic fibrosis
Desorption
Epidemiology
Female
Gene sequencing
Hospitals
Hospitals, University
Humans
Identification
Infant
Infant, Newborn
Infections
Infectious diseases
Ionization
Ions
Laboratories
Lasers
Levofloxacin
Male
Mass spectrometry
Mass spectroscopy
Medical records
Medicine
Meningitis
Microbial Sensitivity Tests - methods
Opportunist infection
Patients
Pediatrics
Piperacillin
Quinolones
Retrospective Studies
RNA, Ribosomal, 16S - genetics
rRNA 16S
Scientific imaging
Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization - methods
Sputum
Sputum - microbiology
Sulfamethoxazole
Tazobactam
Trimethoprim
Turkey
University faculty
Urine
Urine - microbiology
title Clinical Strains of Chryseobacterium and Elizabethkingia spp. Isolated from Pediatric Patients in a University Hospital: Performance of MALDI-TOF MS-Based Identification, Antimicrobial Susceptibilities, and Baseline Patient Characteristics
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