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13 Cards in this Set
- Front
- Back
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Acute infections occur within what time frame? What are the two components of treatment?
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3 weeks
Washout & polyethylene exchange IV antibiotics for 6 weeks |
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What is the most common etiologic organism overall?
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Staphylococcus epidermidis
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What is the most common organism after infection from dental surgery?
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Peptostreptococcus
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What laboratory test are highly specific for postoperative infection?
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C-reactive protein (CRP)
Erythrocyte sedimentation rate (ESR) |
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What laboratory test is highly sensitive?
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ESR
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What is the problem with the use of aspiration as a diagnostic test?
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High rate of false-positives (15%)
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What is the problem with the use of aspiration as a diagnostic test?
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Tissue culture
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What is the bone scan appearance of infection?
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Diffusely positive
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If components are removed to treat a chronic infection, what is the duration of intravenous (IV) antibiotics?
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6 weeks
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What are the three criteria that must be met before replacement of arthroplasty components?
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Normal clinical exam
ESR, CRP normal Aspiration negative |
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What must be considered if significant soft tissue compromise exists at the time of replacement?
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Arthrodesis
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What is the long-term success rate of chronic antibiotic suppression?
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20 to 40%
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In an uninfected total joint, high postoperative CRPs may also be predictive of what?
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Increased HO risk
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