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Table 1 Details of the six E. cloacae complex isolates found in the two duodenoscopes and blood cultures of the patient

From: Investigation of possible transmission of a susceptible microorganism through a contaminated duodenoscope; a case report

  Isolate 1 Isolate 2 Isolate 3 Isolate 4 Isolate 5 Isolate 6
Date 14/08/17 17/08/17 19/10/17 19/10/17 03/02/18 18/07/17
Source Duodenoscope 2 Duodenoscope 2 Duodenoscope 2 Duodenoscope 2 Patient Duodenoscope 1
Sample site Channel (brush) Channel (brush) Channel (brush) Forceps elevator Blood culture Channel (brush)
Cluster ECC cluster 1 ECC cluster 1 ECC cluster 1 ECC cluster 2 ECC cluster 2 ECC cluster 1
Bacterial quantity > 100 CFU 10 CFU 8 CFU 90 CFU 2 positive blood culture bottles 4 CFU
WGS species E. hormaechei subsp. hoffmannii E. hormaechei subsp. hoffmannii E. hormaechei subsp. hoffmannii E. hormaechei subsp. Steigerwaltii E. hormaechei subsp. Steigerwaltii E. hormaechei subsp. hoffmannii
Antibiogram
MIC meropenem ≤ 0.25 ≤ 0.25 ≤ 0.25 ≤ 0.25 ≤ 0.25 ≤ 0.25
MIC imipenem ≤ 0.25 ≤ 0.25 ≤ 0.25 ≤ 0.25 ≤ 0.25 ≤ 0.25
MIC gentamicin ≤ 1 ≤ 1 ≤ 1 ≤ 1 ≤ 1 ≤ 1
MIC tobramycin ≤ 1 ≤ 1 ≤ 1 ≤ 1 ≤ 1 ≤ 1
MIC cotrimoxazol ≤ 1 ≤ 1 ≤ 1 ≤ 1 ≤ 1 ≤ 1
MIC ciprofloxacin ≤ 0.25 ≤ 0.25 ≤ 0.25 ≤ 0.25 ≤ 0.5 ≤ 0.25
MIC colistin ≤ 0.5 ≤ 0.5 ≤ 0.5 ≤ 0.5 ≤ 0.5 ≤ 0.5
MIC fosfomycin ≤ 16 ≤ 16 ≤ 16 ≤ 64 ≤ 64 ≤ 16
  1. CFU colony forming units