Clinical Reminder: May 06, 2010
NOTE: This document is provided for historical purposes only and may not provide our most accurate and up-to-date information. The most current Clinician's information can be found on the COCA Home Page.
COCA would like to provide you with the following CDC information on Vancomycin-Resistant Staphylococcus aureus (VRSA). If you have any questions on these or other clinical issues, please email: coca@cdc.gov.
CDC Reminds Clinical Laboratories and Healthcare Infection Preventionists of their Role in the Search and Containment of Vancomycin-Resistant Staphylococcus aureus (VRSA), May 2010
The Centers for Disease Control and Prevention (CDC) has recently confirmed the 11th case of vancomycin resistant Staphylococcus aureus (VRSA) infection since 2002 in the United States. This serves as a reminder about the important role of clinical laboratories in the diagnosis of VRSA cases to ensure prompt recognition, isolation, and management by infection control personnel. This is an important opportunity for all laboratories to revisit their step-by-step problem-solving procedure or algorithm for detecting VRSA that is specific for their laboratory. A sample algorithm is available at http://www.cdc.gov/ncidod/dhqp/ar_visavrsa_algo.html and highlights the recommended testing methodologies for detecting VRSA and actions based on testing results.
Furthermore, because of exchange of genetic material from vancomycin-resistant enterococci (VRE) to methicillin-resistant Staphylococcus auerus (MRSA) in the emergence of VRSA, CDC is asking clinical laboratories, when patients are identified with suspected or confirmed VRSA, to ensure that all VRE, MRSA, and VRSA isolates from these patients are saved. Following confirmation of VRSA, CDC recommends that all three isolate types (i.e., VRE, MRSA, and VRSA) be shared with public health partners, including CDC.
Immediately, while performing confirmatory susceptibility tests, notify the patient's primary caregiver, patient-care personnel, and infection-control personnel regarding the presumptive identification of VRSA so that appropriate infection control precautions can be initiated promptly. It is also important to notify local and state public health departments.
Coordination with public health authorities is critical. CDC has issued specific infection control recommendations intended to reduce the transmission of VRSA. However, these may need to be customized to the healthcare settings (e.g., dialysis, home healthcare). Infection control precautions should remain in place until a defined endpoint has been determined in consultation with public health authorities.
VRSA infection continues to be a rare occurrence. A few existing factors seem to predispose case patients to VRSA infection, including:
- Prior MRSA and enterococcal infections or colonization
- Underlying conditions (such as chronic skin ulcers and diabetes)
- Previous treatment with vancomycin
Appropriate antimicrobial prescribing by healthcare providers, adherence to recommended infection control guidelines, and, ultimately, the control of both MRSA and VRE are necessary to prevent further emergence of VRSA strains.
Case | State | Year | Age | Source | Diagnosis | Underlying Conditions |
---|---|---|---|---|---|---|
1 |
MI |
2002 |
40 |
Plantar ulcers & Catheter tip |
Plantar soft tissue infection |
Diabetes, dialysis |
2 |
PA |
2002 |
70 |
Plantar ulcer |
Osteomyelitis |
Obesity |
3 |
NY |
2004 |
63 |
Urine from a nephrostomy tube |
No infection |
Multiple sclerosis, Diabetes, kidney stones |
4 |
MI |
2005 |
78 |
Toe wound |
Gangrene |
Diabetes, vascular disease |
5 |
MI |
2005 |
58 |
Surgical site wound after panniculectomy |
Surgical site infection |
Obesity |
6 |
MI |
2005 |
48 |
Plantar ulcer |
Osteomyelitis |
MVA, chronic ulcers |
7 |
MI |
2006 |
43 |
Triceps wound |
Necrotizing fasciitis |
Diabetes, dialysis, chronic ulcers |
8 |
MI |
2007 |
48 |
Toe wound |
Osteomyelitis |
Diabetes, obesity, chronic ulcers |
9 |
MI |
2007 |
54 |
Surgical site wound after foot amputation |
Osteomyelitis |
Diabetes, hepatic encephalopathy |
10 |
MI |
2009 |
53 |
Plantar foot wound |
Plantar soft tissue infection |
Diabetes, obesity, lupus, rheumatoid arthritis |
11 |
DE |
2010 |
64 |
Wound drainage |
Prosthetic joint infection |
Diabetes, end-stage renal disease, dialysis |
For frequently asked questions on laboratory testing on VRSA visit:
http://www.cdc.gov/ncidod/dhqp/ar_visavrsa_labFAQ.html
Link to "Recommendations for Preventing the Spread of Vancomycin Resistance Recommendations of the Hospital Infection Control Practices Advisory Committee (HICPAC)" or MDRO Guideline
For assistance contact CDC’s Division of Healthcare Quality Promotion by telephone 800-893-0485.
For additional resources visit: http://www.cdc.gov/ncidod/dhqp/Our Clinician Communication Team is committed to excellence in reporting our weekly updates. Please e-mail coca@cdc.gov should you note any written errors or discrepancies.
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- Page last updated December 19, 2011
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