Table 1.
Summary of current continuous-monitoring blood culture system features
| Blood Culture System | Method for Monitoring Growth | Bottle Types | Additional Information | FDA-Cleared Indications | Max Fill Volume |
|---|---|---|---|---|---|
| BacT/ALERT | Colorimetric change caused by drop in pH from increased CO2 levels | BacT/ALERT FA PLUS | Aerobic media with adsorbent polymeric resin beads | Blood or SBF | 10 mL |
| BacT/ALERT FN PLUS | Anaerobic media with adsorbent polymeric resin beads | Blood or SBF | 10 mL | ||
| BacT/ALERT PF PLUS | Pediatric, standard aerobic | Blood | 4 mL | ||
| BacT/ALERT SA | Standard aerobic | Blood or SBF | 10 mL | ||
| BacT/ALERT SN | Standard anaerobic | Blood or SBF | 10 mL | ||
| BacT/ALERT BPA | Aerobic media | Platelets | 10 mL | ||
| BacT/ALERT BPN | Anaerobic media | Platelets | 10 mL | ||
| BACTEC | Change in fluorescence caused by a drop in pH from increased CO2 levels | BACTEC Plus Aerobic | Aerobic media with adsorbent polymeric resin beads | Blood | 10 mL |
| BACTEC Plus Anaerobic | Anaerobic media with adsorbent polymeric resin beads | Blood | 10 mL | ||
| BACTEC Peds Plus | Pediatric, aerobic media w/adsorbent polymeric resin beads | Blood | 5 mL | ||
| BACTEC Lytic Anaerobic | Anaerobic media with detergent to lyse RBCs and WBCs | Blood | 10 mL | ||
| BACTEC Standard Aerobic | Standard aerobic | Blood | 10 mL | ||
| BACTEC Standard Anaerobic | Standard anaerobic | Blood | 7 mL | ||
| BACTEC Myco/F Lytic | Mycobacterial/fungal media | Blood | 5 mL | ||
| VersaTREK | Measures pressure changes caused by gas consumption or production | REDOX 1 | Aerobic | Blood or SBF | 10 mL |
| REDOX 2 | Anaerobic | Blood or SBF | 10 mL | ||
| REDOX 1 EZ Draw | Aerobic, direct blood inoculation | Blood or SBF | 5 mL | ||
| REDOX 2 EZ Draw | Anaerobic, direct blood inoculation | Blood or SBF | 5 mL | ||
| VersaTREK Myco | Mycobacterial media | Blood, SBF or processed specimen | 1 mL |
Abbreviation: SBF, sterile body fluids.