Difficult-to-detect carbapenem-resistant IMP13-producing P. aeruginosa: experience feedback concerning a cluster of urinary tract infections at a surgical clinic in France.

Background: We report a carbapenem-resistant P. aeruginosa clone responsible for a cluster of urinary tract infections in elderly surgery patients, diagnosed during a three-month period in a 59-bed surgical clinic.

Findings: The clonal nature of the cluster was established by molecular study of the P.