Volume of components (mL)* | Final concentration | |||
Vancomycin 5 mg/mL | Ceftazidime 10 mg/mL | Cefazolin 10 mg/mL | Heparin¶ 1000 units/mL | |
Vancomycin-ceftazidime-heparin lock | ||||
1 | 0.5 | 0 | 0.5 |
|
Vancomycin-heparin lock | ||||
1 | 0 | 0 | 1 |
|
Ceftazidime-heparin lock | ||||
0 | 1 | 0 | 1 |
|
Cefazolin-heparin lock | ||||
0 | 0 | 1 | 1 |
|
* Antibiotic solution components are prepared with normal saline diluent and mixed in a single syringe immediately before instillation using aseptic methods according to local standards. Stability data are provided separately in an UpToDate table of antibiotic lock solutions for non-hemodialysis CRBSIs.
¶ If the patient has a history of or active heparin-induced thrombocytopenia, substitute normal saline for heparin. If the volume of the catheter lumen exceeds 2 mL, the difference in volume should be made up with additional heparin or normal saline.Adapted from: Allon M. Treatment guidelines for dialysis catheter-related bacteremia: an update. Am J Kidney Dis 2009; 54:13.
Additional data from: