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Adult Reconstruction
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Periprosthetic Joint Infection

Complications

A 72-year-old man presents 8 weeks after primary total hip arthroplasty with increasing hip pain, wound drainage, and low-grade fever. Laboratory studies show ESR 65mm/hr, CRP 45mg/L. Hip aspiration yields 25,000 WBC/μL with 85% PMNs. Regarding periprosthetic joint infection:

Mark each as TRUE or FALSE

A

The MSIS/ICM criteria define PJI as present with: two positive cultures of the same organism, a sinu...

B

Staphylococcus aureus and coagulase-negative staphylococci are the most common organisms causing PJI...

C

DAIR (Debridement, Antibiotics, and Implant Retention) is appropriate for all PJIs regardless of tim...

D

Two-stage revision is the gold standard for chronic PJI; it involves implant removal, thorough debri...

E

Rifampicin is highly effective against staphylococcal biofilm but must be used in combination (never...

Answer the questions to see explanations

Click T (True) or F (False) for each option