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Related Concept Videos

Urine Studies II: Urine Culture and Sensitivity Test01:26

Urine Studies II: Urine Culture and Sensitivity Test

675
A urine culture and sensitivity test is a diagnostic procedure used to identify urinary tract bacterial infections and determine the most effective antibiotics for treatment. This test is generally preferred when a patient shows manifestations of a urinary tract infection, such as frequent or painful urination, cloudy or foul-smelling urine, or lower abdominal pain.Purpose of the TestThe primary goals of a urine culture and sensitivity test are to:Determine the specific bacteria causing the...
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One-day Workflow Scheme for Bacterial Pathogen Detection and Antimicrobial Resistance Testing from Blood Cultures
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Bloodstream infections - Standard and progress in pathogen diagnostics.

Brigitte Lamy1, Martin Sundqvist2, Evgeny A Idelevich3

  • 1Laboratoire 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.

Clinical Microbiology and Infection : the Official Publication of the European Society of Clinical Microbiology and Infectious Diseases
|November 25, 2019
PubMed
Summary

Improving bloodstream infection (BSI) diagnostics requires optimizing pre-analytical steps and integrating rapid pathogen identification methods. A comprehensive approach enhances patient care and outcomes in BSI diagnostics.

Keywords:
Blood cultureBloodstream infectionBundle approachLogisticsMALDI-TOF mass spectrometryRapid antimicrobial susceptibility testingRapid diagnosticsRapid identification

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Area of Science:

  • Clinical microbiology
  • Infectious diseases
  • Medical diagnostics

Background:

  • Bloodstream infection (BSI) presents a significant global health challenge with high mortality rates.
  • Timely and precise pathogen diagnostics are crucial for effective patient treatment and improved outcomes.
  • Recent advancements have enhanced blood culture diagnostic performance, particularly in pre-analysis and reducing time to result.

Purpose of the Study:

  • To review current standard procedures and recent progress in BSI pathogen diagnostics.
  • To propose a novel approach for optimizing the diagnostic workflow.
  • To establish a new standard for bloodstream infection diagnostics.

Main Methods:

  • A comprehensive literature review of scientific articles and reviews was conducted using NCBI/Pubmed.
  • Analysis focused on pre-analytical improvements, rapid identification techniques (e.g., MALDI-TOF MS), and antimicrobial susceptibility testing.
  • The concept of 'microbiologistics' was explored to encompass improvements in the entire diagnostic logistic chain.

Main Results:

  • Blood culture performance is significantly influenced by the pre-analytical phase, benefiting from educational initiatives and quality assessments.
  • Automated systems aid in optimizing bottle filling and training for blood collection.
  • Rapid methods like MALDI-TOF MS and expedited antimicrobial susceptibility testing are key analytic advancements.

Conclusions:

  • Optimizing BSI diagnostics involves a bundled strategy: refining pre-analytical parameters, rapid incubation, employing advanced identification methods, and enhancing logistical organization (e.g., 24/7 services).
  • Close collaboration with antimicrobial stewardship teams is integral to this approach.
  • These integrated efforts define a new standard for diagnosing bloodstream infections, ultimately improving patient management.