M183-2

Ear (external): Pseudomonas aerugionsa– MDR – Shipped November 05, 2018 –

HISTORY

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

  1. Pseudomonas aeruginosa is the most common etiologic agent of malignant otitis externa.
  2. Malignant otitis externa requires aggressive systemic antimicrobial therapy, and unlike other ear isolates, antimicrobial susceptibility testing is required for these isolates.

Full critique (PDF)

Posted in Clinical Bacteriology Results, critiques