Total Knee Tips & Pearls From Dr. Adam Rosen (A Virtual Total Knee Fellowship Podcast)

ICM 2018 Criteria for PJI

Dr. Adam Rosen Season 4 Episode 17

The International Consensus Meeting on MSK Infection presented their new criteria in 2018

Major Criteria
1. Two positive periprosthetic cultures w/ phenotypically identical organisms
2. A sinus tract communicating with the joint
____________________
Minor Criteria
> or equal to 6 = infected
4-5 = inconclusive
< or equal to 3 = not infected
___________________
2 points for:
Serum CRP 100 in acute or 10 in chronic
or
D-dimer 860 in chronic

1 point for:
ESR 30 in chronic

3 points for:
synovial WBC 10,000 in acute or 3,000 in chronic
or
leuk esterase ++ in acute and ++ in chronic
or
positive alpha defensin
2 points for:
synovial PMN 90 in acute or 70 in chronic

2 points for:
single positive culture

3  points for:
positive histology

3 points for:
intraoperative purulence

ICM Philly website: https://icmphilly.com/

PJI Risk Calculator:  https://icmphilly.com/ortho-applications/prosthetic-joint-infection-pji-risk-calculator/

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