Ear (external): Pseudomonas aerugionsa– MDR – Shipped November 05, 2018 –
A simulated ear swab collected from 66 year old in patient with malignant otitis externa was sent to category A laboratories.
Participants were expected to isolate Pseudomonas aeruginosa and perform susceptibility testing.
MAIN EDUCATIONAL POINTS from M183-2
- Pseudomonas aeruginosa is the most common etiologic agent of malignant otitis externa.
- Malignant otitis externa requires aggressive systemic antimicrobial therapy, and unlike other ear isolates, antimicrobial susceptibility testing is required for these isolates.