synthetic turf and staph infections - cause for concern? · synthetic turf playing field - cold...
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Penn State’s Center for Sports Surface ResearchPenn State’s Center for Sports Surface ResearchPenn State’s Center for Sports Surface ResearchPenn State’s Center for Sports Surface Research
Synthetic Turf and Staph Infections - Cause for Concern?
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Penn State’s Center for Sports Surface ResearchPenn State’s Center for Sports Surface Research
Synthetic Turf Role in Staph Infections
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Penn State’s Center for Sports Surface ResearchPenn State’s Center for Sports Surface Research
Survey of Fields
• 20 fields (summer)
• Indoor and outdoor
• High and low use areas
• All bacteria and staph bacteria
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Penn State’s Center for Sports Surface ResearchPenn State’s Center for Sports Surface Research
Penn State Survey
• 20 fields (summer)
• Indoor and outdoor
• High and low use areas
• All bacteria and staph bacteria
0
50000
100000
150000
200000
250000
300000
350000C
olo
ny
Form
ing
Un
its
g-1in
fill
Infill Type
High Use Low Use* = Indoor Field
Colony forming units (CFU) detected on R2A media per gram of crumb rubber infill or rootzone
Natural Grass
No S. aureus found at any test location
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Penn State’s Center for Sports Surface ResearchPenn State’s Center for Sports Surface Research
Surfaces that test positive (+) or negative (-) for the presence of S. aureus colonies
Source Result
Public areas
Human hands +
Human faces +
Computer mouse -
Elevator button -
Outside door handle -
Computer keyboard -
Source Result
Athletic training facility
Natural turfgrass playing field -
Synthetic turf playing field -
Cold pool -
Blocking pads* +
Sauna -
Football* -
Weight equipment* +
Towel hamper -
Stretching table +
Used towels* +
Trash can for drink cups -
*Sampled immediately after use
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Penn State’s Center for Sports Surface ResearchPenn State’s Center for Sports Surface Research
How Long Can Staph Bacteria Survive on Synthetic Turf ?
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Penn State’s Center for Sports Surface ResearchPenn State’s Center for Sports Surface Research
Outdoor Test
• Levels of bacteria quickly dropped to very low levels
• Difficult to evaluate control products (bacteria in all plots decreased quickly)
• Comparable bacteria survival rate natural grass
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Penn State’s Center for Sports Surface ResearchPenn State’s Center for Sports Surface Research
Indoor Test
• Bacteria survived on synthetic turf and natural grass for multiple days
• Population decreased significantly with time
• Anti-microbial treatment and detergent decreased survival rate
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Penn State’s Center for Sports Surface ResearchPenn State’s Center for Sports Surface Research
Summary of Studies
• Is synthetic turf a breeding ground for staph bacteria? – No!
• Sunlight appears to be best disinfectant
• Indoors – treatments can reduce bacteria
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Penn State’s Center for Sports Surface ResearchPenn State’s Center for Sports Surface Research
Abrasiveness of Synthetic Turf
Centers for Disease Control –Staph spread primarily through breaks in the skin
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Penn State’s Center for Sports Surface ResearchPenn State’s Center for Sports Surface Research
Abrasiveness of Synthetic Turf
• Surface/epidermal injuries 9x more common on infilled synthetic turf
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Penn State’s Center for Sports Surface ResearchPenn State’s Center for Sports Surface Research
Conclusions
• Staph bacteria – found on other surfaces
• No evidence of anyone getting staph infection directly from synthetic turf
• Synthetic turf - not a hospitable environment for staph bacteria
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Penn State’s Center for Sports Surface ResearchPenn State’s Center for Sports Surface Research
ssrc.psu.edu
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Penn State’s Center for Sports Surface ResearchPenn State’s Center for Sports Surface Research
Penn State’s Center for Sports Surface Research
Website: http://ssrc.psu.edu
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