Table 1 Culture positivity rate of duodenoscopes after strict adherence to reprocessing standards
From: A narrative review on current duodenoscope reprocessing techniques and novel developments
First definition of contamination | CPD (%) | Second definition of contamination | CPD (%) | References |
|---|---|---|---|---|
Any growth of high-concern organismsa or > 10 CFU of low-concern organismsb | 18% | NA | NA | [29] |
Any growth of high-concern organismsc | 4.9–5% |  > 100 CFU of low/moderate concern organismsd | 0.6–4.4% | [21] |
Any growth of high-concern organismse | 0.4% | Growth of any organism | 7.7% | [30] |
Growth of any organism | 1.1% | NA | NA | [26] |
Micro-organism of gastro-intestinal or oral origin regardless of quantityf | 15% | Growth of any organism ≥ 20 CFU/ml | 22% | [19] |
Any growth of Gram-negative bacilliCDC | 4.2% | NA | NA | [25] |
Growth ≥ 10 CFU/ml on the elevator mechanism or working channel | 2.3% | Growth of any organism on the elevator mechanism or working channel | 16.1% | [28] |
Any growth of pathogenic organismsg | 0.9% | Growth of any organism | 8.4% | [23] |
 ≥ 50 CFU/ml excluding skin contaminantsh | 0.9% | Growth of any organism | 11%i | [20] |
Any growth of high-concern organismsCDC | 2% | Growth of any organismCDC | 13.1% | [22] |
 > 100 CFU of total growth or any growth of high-concern organismsj | 35.8% | Growth of any organism above ≥ 25 CFU | NA | [27] |