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Review Question - QID 923

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QID 923 (Type "923" in App Search)
If a team experiences an outbreak of community acquired methicillin-resistant staph aureus (MRSA), which of the following factors is most likely to be the etiology?

Presence of turf burns

42%

1091/2613

Use of a cold whirlpool

2%

43/2613

Use of a warm whirlpool

15%

379/2613

Sharing locker room soap

2%

62/2613

Sharing locker room towels

39%

1031/2613

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The most commonly reported risk factor for development of CA-MRSA is injury to the skin. The majority of infections occur in areas of the body most susceptible to skin trauma, and reports suggest that players involved in frequent, repetitive contact (such as linemen and linebackers in football and forward players in rugby) are most susceptible to infection. Areas of skin injury are believed to facilitate entry of the pathogen.

One example is the Kazakova study of a CA-MRSA outbreak in the St.Louis Rams football team. Being a lineman or a linebacker was associated with the highest relative risk of MRSA infection, and all MRSA skin abscesses developed at sites of turf burns on areas not covered by a uniform. They sampled surfaces and shared items in the training facility including weight-training equipment, towels, saunas and steam rooms, and water from whirlpools and therapy pools as well as nasal swabs of trainers who did not have access to regular hand hygiene or alcohol-based hand hygiene products; however, they were unable to identify any of the above as contributing significantly to an increased risk of infection with CA-MRSA as isolates grew only MSSA rather than MRSA.

The Rihn article is a review of the risk factors and treatments in the athletic poulation.

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