CMC Case COnference - Dr. West
Septic arthritis of the hip
-Most common hematongenous spread
- Up to 20% of patients with non-gonococcal septic arthritis will have 2 or more joints involved –> always do a full musculoskeletal exam!
- 50% will have positive blood cultures –> always obtain cultures.
- Risk factors: Extremes of age, hardware/recent instrumentation, skin infection, underlying arthritis, IV drug use
- You cannot rule out septic arthritis with inflammatory markers or any physical exam findings, so err on the side of obtaining joint fluid.
Pediatric septic arthritis vs. transient synovitis
- Kocher criteria can help differentiate: Temperature >38.5, WBC >12K, ESR >40, unable to bear weight.
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