Related Experiment Video
Updated: Mar 22, 2026

Quadruple-Checkerboard: A Modification of the Three-Dimensional Checkerboard for Studying Drug Combinations
Published on: July 24, 2021
We Avoid Antibiotic Lock Solutions due to Fear of Antibiotic Resistance
1Section of Nephrology, Department of Internal Medicine, Veterans Affairs Medical Center, Yale School of Medicine, West Haven, Connecticut.
Insights
Antibiotic lock solutions (ABLs) effectively treat hemodialysis catheter-related bacteremia (CRB) and may avoid catheter replacement. Recent literature review shows ABLs do not increase antibiotic resistance, contrary to previous concerns.
Area of Science:
- Nephrology
- Infectious Diseases
- Pharmacology
Background:
- Catheter-related bacteremia (CRB) is a frequent and serious complication in hemodialysis patients.
- Current guidelines recommend systemic antibiotics and catheter replacement for CRB, but catheter replacement has limitations.
- Antibiotic lock solutions (ABLs) are an alternative for CRB prevention and treatment, especially when catheter preservation is desired.
Purpose of the Study:
- To evaluate the efficacy of antibiotic lock solutions (ABLs) in treating hemodialysis catheter-related bacteremia (CRB).
- To assess the potential link between ABL use and the development of antibiotic resistance.
- To review current literature regarding ABLs as an alternative to catheter replacement in CRB management.
Main Methods:
- Systematic review of recent literature concerning antibiotic lock solutions (ABLs) for hemodialysis catheter-related bacteremia (CRB).
- Analysis of studies investigating the impact of ABLs on antibiotic resistance.
- Comparison of ABLs with traditional treatment methods, including catheter replacement.
Main Results:
- Antibiotic lock solutions (ABLs) demonstrate high effectiveness in both preventing and treating hemodialysis catheter-related bacteremia (CRB).
- The widespread use of ABLs has not been associated with an increase in antibiotic resistance, according to recent literature.
- ABLs offer a viable alternative to catheter replacement, particularly for patients prioritizing catheter salvage.
Conclusions:
- Antibiotic lock solutions (ABLs) are a highly effective and safe option for managing hemodialysis catheter-related bacteremia (CRB).
- Concerns regarding increased antibiotic resistance with ABL use are not supported by current evidence.
- ABLs represent a valuable therapeutic strategy, potentially reducing the need for catheter replacement in CRB cases.
Abstract:
Hemodialysis catheter-related bacteremia (CRB) is the most common complication associated with catheter use in dialysis patients and portends a high morbidity and mortality. Current CDC and KDIGO guidelines recommend treating CRBs with systemic antibiotics in conjunction with catheter replacement, although the latter has limitations. Antibiotic lock solutions (ABLs) are very effective in both prevention and treatment of CRBs in hemodialysis patients and may be a preferred alternative to catheter replacement especially in patients where catheter salvage is a priority. Previous smaller observational studies have raised concerns of a potential increase in antibiotic resistance associated with the widespread use of ABLs. Review of the recent literature does not support this claim.
Related Concept Videos
Development of Antibiotic Resistance
Mechanism of Antibiotic Resistance in MRSA
Antibiotic Selection
Clinical Significance of Antibiotic Resistance
Combined Effects of Drugs: Synergism
Such synergistic combinations...
Inhibitors of Gram-positive Cell Wall Synthesis

