Search Results - "Barth, Afonso"

Can clinical microbiology laboratories rely on disk diffusion for accurate susceptibility assessment of cefiderocol? by Barth, Patricia Orlandi, Wilhelm, Camila Mörschbächer, Pereira, Dariane Castro, Barth, Afonso Luís

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Metabolic Reprogramming of Klebsiella pneumoniae Exposed to Serum and Its Potential Implications in Host Immune System Evasion and Resistance by Moraes, Amanda Naiara Silva, Tatara, Juliana Miranda, da Rosa, Rafael Lopes, Siqueira, Franciele Maboni, Domingues, Guilherme, Berger, Markus, Guimarães, Jorge Almeida, Barth, Afonso Luís, Barth, Patricia Orlandi, Yates, John R., Beys-da-Silva, Walter Orlando, Santi, Lucélia

“…The aim of this study was to identify, using proteomics, the molecular alterations caused by human serum exposure to Klebsiella pneumoniae ACH2. The analysis…”
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Detection of Carbapenem Resistance in Enterobacterales Directly From Positive Blood Cultures Using Matrix-Assisted Laser Desorption Ionization Time-of-Flight Mass Spectrometry by Moreira, Natália Kehl, Wilhelm, Camila Mörschbächer, Volpato, Fabiana Caroline Zempulski, Barth, Afonso Luís, Caierão, Juliana

“…Carbapenem-resistant Enterobacterales are disseminated worldwide and associated with infections with high rates of morbidity and mortality. Matrix-assisted…”
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First identification of SARS-CoV-2 lambda (C.37) variant in Southern Brazil by Wink, Priscila Lamb, Volpato, Fabiana Caroline Zempulski, Monteiro, Francielle Liz, Willig, Julia Biz, Zavascki, Alexandre Prehn, Barth, Afonso Luís, Martins, Andreza Francisco

“…[...]the lambda variant displays a novel deletion and multiple nonsynonymous mutations in the spike gene (Δ246-252, G75V, T76I, L452Q, F490S, D614G, and…”
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Acquisition of the mcr-1 gene by a high-risk clone of KPC-2-producing Klebsiella pneumoniae ST437/CC258, Brazil by Dalmolin, Tanise Vendruscolo, Martins, Andreza Francisco, Zavascki, Alexandre Prehn, de Lima-Morales, Daiana, Barth, Afonso Luís

“…We identified one clinical isolate of K. pneumoniae harboring the mcr 1 (plasmid of IncX4 family) and blaKPC-2 (plasmid of IncFIB family) genes in southern…”
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Detection of SARS-CoV-2 lineage P.1 in patients from a region with exponentially increasing hospitalisation rate, February 2021, Rio Grande do Sul, Southern Brazil by Martins, Andreza Francisco, Zavascki, Alexandre Prehn, Wink, Priscila Lamb, Volpato, Fabiana Caroline Zempulski, Monteiro, Francielle Liz, Rosset, Clévia, De-Paris, Fernanda, Ramos, Álvaro Krüger, Barth, Afonso Luís

“…The emergence of SARS-CoV-2 P.1 lineage coincided with a surge in hospitalisations in the North region of Brazil. In the South region's Rio Grande do Sul…”
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Rapid colorimetric polymyxin B microelution directly from positive blood bottles: because patients with serious infections should not have to wait for results of culture-based methodologies by Collar, Gabriela da Silva, Becker, Julia, Moreira, Natália Kehl, Dornelles, Luana Silva, Mott, Mariana Preussler, Barth, Afonso Luís, Caierão, Juliana

“…Purpose To evaluate the performance of the rapid colorimetric polymyxin B microelution (RCPEm) in determining polymyxin B resistance directly from…”
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Determination of aztreonam/ceftazidime-avibactam synergism and proposal of a new methodology for the evaluation of susceptibility in vitro by Collar, Gabriela da Silva, Moreira, Natália Kehl, Becker, Julia, Barth, Afonso Luís, Caierão, Juliana

“…We proposed a new methodology, the microelution ATM/CZA (mATM/CZA), based on the antibiotic disc elution and the use of resazurin, for rapid (<4h)…”
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Pharmacokinetics of Intravenous Polymyxin B in Critically Ill Patients by Zavascki, Alexandre P., Goldani, Luciano Z., Cao, Guoying, Superti, Silvana V., Lutz, Larissa, Barth, Afonso L., Ramos, Fabiano, Boniatti, Márcio M., Nation, Roger L., Li, Jian

“…Background. Although not much pharmacokinetic knowledge is available, polymyxin B is increasingly used for treatment of infections caused by gram-negative…”
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Evaluation of the ceftazidime/avibactam and meropenem susceptibility by MALDI-TOF MS directly from positive blood cultures by Wilhelm, Camila Mörschbächer, Moreira, Natália Kehl, Inamine, Everton, Caierão, Juliana, Barth, Afonso Luís

“…The purpose of this study was to evaluate the MBT-ASTRA to determine susceptibility to ceftazidime/avibactam (CZA) and meropenem (MEM) of Enterobacterales…”
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Antimicrobial resistance of Salmonella from poultry meat in Brazil: results of a nationwide survey by Rau, Renata Batista, Ribeiro, Aldemir Reginato, dos Santos, Amaury, Barth, Afonso Luís

“…The use of antimicrobials in food-producing animals can lead to increased bacterial resistance. Important information to address this problem can be provided…”
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Pooling of samples to optimize SARS-CoV-2 diagnosis by RT-qPCR: comparative analysis of two protocols by Volpato, Fabiana, Lima-Morales, Daiana, Wink, Priscila Lamb, Willig, Julia, de-Paris, Fernanda, Ashton-Prolla, Patricia, Barth, Afonso Luís

“…This study has aimed to evaluate the use pool of samples as a strategy to optimize the diagnostic of SARS-CoV-2 by RT-qPCR. A total of 220 naso/orofaryngeal…”
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Detection of KPC enzyme by MALDI-TOF MS from bacteria impregnated in filter paper by Wilhelm, Camila M., Moreira, Natália K., Carneiro, Maiara S., Wink, Priscila L., Caierão, Juliana, Barth, Afonso L.

“…The main mechanism that causes resistance to carbapenem, one of the most potent antibiotic available, in Enterobacterales bacterial isolates, is due to…”
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Low prevalence of the mcr-1 gene among carbapenemase-producing clinical isolates of Enterobacterales by Dalmolin, Tanise Vendruscolo, Wink, Priscila Lamb, de Lima-Morales, Daiana, Barth, Afonso Luís

“…All 5 isolates were recovered from rectal swabs, with exception of E. coli 6699F, which was recovered from an ascites fluid. [...]4 isolates presented…”
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Detection of KPC directly from positive blood cultures by MALDI-TOF: From research to the clinical microbiology laboratory routine by Moreira, Natália Kehl, Wilhelm, Camila Mörschbächer, Collar, Gabriela da Silva, Echevarria, Aymê Duarte, Becker, Júlia, Barth, Afonso Luís, Caierão, Juliana

“…Bloodstream infections (BSI) caused by carbapenem-resistant Gram-negative bacilli (CR-GNB) are a subject of major clinical concern, mainly those associated…”
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Establishing a quantitative index of meropenem hydrolysis for the detection of KPC- and NDM-producing bacteria by MALDI-TOF MS by Wilhelm, Camila Mörschbächer, Forni, Giovanna de Ross, Carneiro, Maiara dos Santos, Barth, Afonso Luís

“…Matrix Assisted Laser Desorption Ionization-Time of Flight Mass Spectrometry (MALDI-TOF MS), commonly used for microorganism identification, can also be…”
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Comparative microbiome analysis in cystic fibrosis and non-cystic fibrosis bronchiectasis by Motta, Heryk, Reuwsaat, Júlia Catarina Vieira, Lopes, Fernanda Cortez, Viezzer, Graciele, Volpato, Fabiana Caroline Zempulski, Barth, Afonso Luís, de Tarso Roth Dalcin, Paulo, Staats, Charley Christian, Vainstein, Marilene Henning, Kmetzsch, Lívia

“…Bronchiectasis is a condition characterized by abnormal and irreversible bronchial dilation resulting from lung tissue damage and can be categorized into two…”
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Early detection of the SARS-CoV-2 P.1 variant in Rio Grande do Sul, Brazil: a case report by Volpato, Fabiana Caroline Zempulski, Wink, Priscila Lamb, Monteiro, Francielle Liz, Willig, Julia Biz, Vieceli, Tarsila, Martins, Andreza Francisco, Zavascki, Alexandre Prehn, Barth, Afonso Luís

“…To the Editor—In December 2019, a new coronavirus, severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), emerged in China and was associated with…”
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Invasive liver abscess syndrome with central nervous system involvement caused by hypermucoviscous Klebsiella pneumoniae: positive string test by de Oliveira Franco, Álvaro, Uberti dos Santos, Victor, von Ameln Lovison, Otávio, Zavascki, Alexandre Prehn, Barth, Afonso Luís, Morales Saute, Jonas Alex, Muxfeldt Bianchin, Marino

“…On examination, she was hypotensive with a blood pressure of 80/50 mm Hg; heart rate was 122 beats per min, respiratory rate was 22 breaths per min. The…”
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Increased frequency of bla NDM in a tertiary care hospital in southern Brazil by Wink, Priscila Lamb, Martins, Amanda Silva, Volpato, Fabiana, Zavascki, Alexandre P, Barth, Afonso L

“…Resistance to carbapenems due to metallo-beta-lactamase NDM-1 was first described in Brazil in 2013. To date, only a few scattered reports of the prevalence of…”
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