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Bloodstream infections - Standard and progress in pathogen diagnostics
Laboratoire de Bactériologie, Hôpital L'archet 2, CHU de Nice, Nice, France; INSERM U1065, Centre Méditerranéen de Médecine Moléculaire, Equipe 6, Nice, France; Faculté de Médecine, Université Côte D’Azur, Nice, France.
Örebro University, School of Medical Sciences. Örebro University Hospital. Department of Laboratory Medicine, Clinical Microbiology.
Institute of Medical Microbiology, University Hospital Münster, Münster, Germany.
2020 (English)In: Clinical Microbiology and Infection, ISSN 1198-743X, E-ISSN 1469-0691, Vol. 26, no 2, p. 142-150Article, review/survey (Refereed) Published
Abstract [en]

Background: Bloodstream infection (BSI) is a major public health burden worldwide, with high mortality. Patient outcome is critically influenced by delayed therapy, and fast and accurate pathogen diagnostics decisively improves the care of patients. During the past two decades major improvements have been made in the diagnostic performance of blood culture diagnostics through actions on pre-analysis and time to result.

Aims: To review and discuss the literature for standard procedures and the progress in BSI pathogen diagnostics, and to propose a new mindset to reach an improved diagnostic workflow.

Sources: Scientific articles and reviews available through NCBI/Pubmed.

Content: Blood culture performance relies largely on the quality of its pre-analytical phase that is improved with educational actions monitored by using key performance indicators, and external quality assessment. Advanced blood culture systems now provide tools for an automated estimation of bottle filling. These proved efficient to facilitate effective training for improving blood collection. On analytic aspects, rapid methods for pathogen identification, among which matrix-assisted laser desorption/ ionization time of flight mass spectrometry dominates, and rapid antimicrobial susceptibility testing are reviewed. These technical developments call for improvements in all other steps, especially in pre- and post-analytic logistics to give the full reciprocation of these techniques on patient management. This aspect is summarized by the term 'microbiologistics', which covers all possible improvements in the logistic chain from sampling to report.

Place, publisher, year, edition, pages
Elsevier, 2020. Vol. 26, no 2, p. 142-150
Keywords [en]
Blood culture, Bloodstream infection, Bundle approach, Logistics, MALDl-TOF mass spectrometry, Rapid antimicrobial susceptibility testing, Rapid diagnostics, Rapid identification
National Category
Infectious Medicine
Identifiers
URN: urn:nbn:se:oru:diva-79804DOI: 10.1016/j.cmi.2019.11.017ISI: 000508234200005PubMedID: 31760113Scopus ID: 2-s2.0-85074399797OAI: oai:DiVA.org:oru-79804DiVA, id: diva2:1392131
Available from: 2020-02-06 Created: 2020-02-06 Last updated: 2020-02-06Bibliographically approved

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