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Low-level vancomycin resistance in Staphylococcus aureus--an Australian perspective
B P Howden1, P B Ward, P D R Johnson
1Infectious Diseases Department, Austin Health, Melbourne, Australia. benjamin.howden@austin.org.au
Summary
Low-level vancomycin resistance in Staphylococcus aureus is a growing clinical issue. This resistance is linked to treatment failure and requires improved laboratory detection and management strategies.
Area of Science:
- Microbiology
- Infectious Diseases
- Clinical Diagnostics
Background:
- Emergence of low-level vancomycin resistance in Staphylococcus aureus over the last 8 years.
- Clinical significance and laboratory detection challenges associated with this resistance phenotype.
Observation:
- Increasing evidence links low-level vancomycin resistance to treatment failures in serious Staphylococcus aureus infections.
- Difficulties in timely and accurate laboratory detection of this resistance.
Findings:
- Low-level vancomycin resistance in Staphylococcus aureus is associated with glycopeptide treatment failure.
- Current diagnostic methods for this resistance are time-consuming and complex.
Implications:
- Need for heightened awareness among diagnostic laboratories and clinicians regarding this resistance.
- Requirement for robust detection procedures and effective patient management strategies for resistant strains.