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Home / Archives for Clinical Microbiology and Infection

Multicentre testing of the EUCAST broth microdilution reference method for MIC determination on Mycobacterium tuberculosis

  • Autores: Thomas Schön, Jim Werngren, Diana Machado, Emanuele Borroni, Maria Wijkander, Gerard Lina, Johan Mouton, Erika Matuschek, Gunnar Kahlmeter, Christian Giske, Miguel Santin, Daniela Maria Cirillo, Miguel Viveiros, Emmanuelle Cambau
  • Ano de Publicação: 2021
  • Journal: Clinical Microbiology and Infection, 27(2), pp 288.e1 - 288.e4
  • Link: https://doi.org/10.1016/j.cmi.2020.10.019

ABSTRACT ‘Objectives:’ The first objective of the European Committee on Antimicrobial Susceptibility Testing (EUCAST) subcommittee for antimycobacterial susceptibility testing (AMST), launched in 2016, was to set a reference method for determining the MICs of antituberculous agents, since many protocols are used worldwide and a consensus one is needed for the determination of microbiological breakpoints. ‘Methods:’ […]
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Mycobacterium tuberculosis drug-resistance testing: challenges, recent developments and perspectives

  • Autores: Böttger E, Cambau E, Köser CU, Miotto P, Schön T, Viveiros M
  • Ano de Publicação: 2017
  • Journal: Clinical Microbiology and Infection
  • Link: http://www.clinicalmicrobiologyandinfection.com/article/S1198-743X(16)30511-0/fulltext

Drug-resistance testing, or antimicrobial susceptibility testing (AST), is mandatory for Mycobacterium tuberculosis in cases of failure on standard therapy. We reviewed the different methods and techniques of phenotypic and genotypic approaches. Although multiresistant and extensively drug-resistant (MDR/XDR) tuberculosis is present worldwide, AST for M. tuberculosis (AST-MTB) is still mainly performed according to the resources available rather […]
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Multicentre study highlighting clinical relevance of new high-throughput methodologies in molecular epidemiology of Pneumocystis jirovecii pneumonia

  • Autores: Antunes F, Badura R, Bassat Q, Calderón EJ, de Armas Y, de Sousa B, Esteves F, Huang L, Maltez F, Matos O
  • Ano de Publicação: 2016
  • Journal: Clinical Microbiology and Infection
  • Link: https://www.ncbi.nlm.nih.gov/pubmed/27021425

Pneumocystis jirovecii causes severe interstitial pneumonia (PcP) in immunosuppressed patients. This multicentre study assessed the distribution frequencies of epidemiologically relevant genetic markers of P. jirovecii in different geographic populations from Portugal, the USA, Spain, Cuba and Mozambique, and the relationship between the molecular data and the geographical and clinical information, based on a multifactorial approach. The […]
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Diagnosis of Pneumocystis pneumonia: evaluation of four serologic biomarkers

  • Autores: Antunes F, Badura R, Calderón EJ, Calé SS, de Boer MG, Esteves F, Maltez F, Márquez-Martín E, Matos O, van der Reijden TJ
  • Ano de Publicação: 2015
  • Journal: Clinical Microbiology and Infection
  • Link: http://www.clinicalmicrobiologyandinfection.com/article/S1198-743X(14)00111-6/fulltext%20

The diagnosis of Pneumocystis pneumonia (PCP) relies on microscopic visualization of Pneumocystis jiroveciiorganisms or DNA detection in pulmonary specimens. This study aimed to assess the usefulness of (1–3)-β-d-glucan (BG), Krebs von den Lungen-6 antigen (KL-6), lactate dehydrogenase (LDH) and S-adenosyl methionine (SAM) as serologic biomarkers in the diagnosis of PCP. Serum levels of BG, KL-6, […]
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Pneumocystis jirovecii multilocus genotyping in pooled DNA samples: a new approach for clinical and epidemiological studies.

  • Autores: Antunes F, Esteves F, Gaspar J, Mansinho K, Matos O
  • Journal: Clinical Microbiology and Infection
  • Link: http://www.ncbi.nlm.nih.gov/pubmed/?term=Pneumocystis+jirovecii+multilocus+genotyping+in+pooled+DNA+samples%3A+a+new+approach+for+clinical+and+epidemiological+studies.

Specific single-nucleotide polymorphisms (SNPs) are recognized as important DNA sequence variations influencing the pathogenesis of Pneumocystis jirovecii and the clinical outcome of Pneumocystis pneumonia, which is a major worldwide cause of illness among immunocompromised patients
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About GHTM

GHTM is a R&D Center that brings together researchers from IHMT with a track record in Tropical Medicine and International/Global Health. It aims at strengthening Portugal's role as a leading partner in the development and implementation of a global health research agenda. Our evidence-based interventions contribute to the promotion of equity in health and to improve the health of populations.

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