Table 2.
Classification of High-Concern (HC) Organisms Detected by Culture
| TJF-Q180V Duodenoscopes | |||
|---|---|---|---|
| Classification a | HC Organism Detected on Culture | No of Duodenoscopes with This HC Organism | Ratio of the Classified HC Organism |
| Gastrointestinal | Klebsiella spp | 3 | 9/38 (23.7%) |
| Enterococcus spp | 2 | ||
| Escherichia spp | 2 | ||
| Pantoea spp | 1 | ||
| Pluralibicter pyrinus | 1 | ||
| Human-origin (other than Gastrointestinal) | Staphylococcus lugdunensis | 5 | 12/38(31.6%) |
| Staphylococcus aureus | 5 | ||
| Candida spp a | 2 | ||
| Environmental | Acinetobacter spp | 4 | 10/38 (26.3%) |
| Candida spp a | 1 | ||
| Erwinia billingae | 1 | ||
| Pseudoxanthomonas spp | 1 | ||
| Ralstonia spp | 1 | ||
| Roseomonas spp | 1 | ||
| Sphingomonas mucosissima | 1 | ||
| Waterborne | Brevundimonas spp | 3 | 7/38 (18.4%) |
| Massilia spp | 2 | ||
| Pseudomonas spp | 2 | ||
| TJF-160F/VF Duodenoscopes | |||
| Classification a | HC Organism Detected on Culture | No. of Duodenoscopes with This HC Organism | Ratio of the Classified HC Organism |
| Gastrointestinal | Klebsiella spp | 14 | 40/70 (57.1%) |
| Enterococcus spp | 14 | ||
| Escherichia spp | 6 | ||
| Enterobacter spp | 3 | ||
| Raoultella spp | 1 | ||
| Leclercia spp | 1 | ||
| Citrobacter spp | 1 | ||
| Human origin (other than gastrointestinal) | Staphylococcus aureus | 2 | 6/70 (8.6%) |
| Candida spp a | 2 | ||
| Staphylococcus lugdunensis | 1 | ||
| β-hemolytic Streptococcus spp | 1 | ||
| Environmental | Candida spp a | 5 | 16/70 (22.9%) |
| Acinetobacter spp | 4 | ||
| Roseomonas spp | 3 | ||
| Serratia spp | 2 | ||
| Lysobacter spp | 1 | ||
| Cupriavidus spp | 1 | ||
| Waterborne | Pseudomonas spp | 4 | 7/70 (10.0%) |
| Brevundimonas spp | 1 | ||
| Massilia spp | 1 | ||
| Achromobacter spp | 1 | ||
| Not classified | Gram-negative rod | 1 | 1/70 (1.4%) |
Note. Some organisms can have multiple sources but were classified in only one “most probable” category. Candida spp was classified as either human origin or environmental depending on the other investigations, including the nature of the concomitant low- to moderate-concern organisms.
a
Classification: HC organisms were categorized into the 4 categories based on “most probable” source.