Related Experiment Video
Updated: Aug 7, 2026

Guidelines for Elective Pediatric Fiberoptic Intubation
Published on: January 17, 2011
Propofol EDTA and reduced incidence of infection
J R Jansson1, T Fukada, M Ozaki
1Medical Neuroscience, AstraZeneca R&D, Sodertalje, Sweden.
Abstract:
Propofol formulated in a lipid vehicle supports the growth of microorganisms. There have been worldwide reports of extrinsic microbial contamination of propofol leading to outbreaks of serious postoperative nosocomial infections. Therefore it is essential that medical professionals follow strict aseptic precautions when handling propofol, as recommended by manufacturers of propofol and the Centers for Disease Control and Prevention. Non-adherence to these recommendations increases the risk of nosocomial postoperative infections, which impose a heavy burden of morbidity and mortality and have serious economic consequences. It has also been recommended that the use of EDTA-containing formulations of propofol be considered. In vitro studies have confirmed that EDTA added to propofol retards microbial growth. Data on the incidence of nosocomial infections before and after the introduction of propofol with EDTA indicates that there have been no further cluster outbreaks and individual nosocomial infections appear to have been reduced. The addition of EDTA is an additional safety precaution to good aseptic practice.
Insights
Propofol lipid emulsion supports microbial growth, causing infections. Adding EDTA to propofol formulations helps prevent microbial growth, reducing nosocomial infections.
Area of Science:
- Anesthesiology
- Infectious Diseases
- Pharmaceutical Sciences
Background:
- Propofol, a widely used anesthetic, is formulated in a lipid emulsion that supports microbial growth.
- Microbial contamination of propofol has led to serious nosocomial infections worldwide.
- Strict aseptic handling is crucial but adherence remains a challenge, increasing infection risks.
Purpose of the Study:
- To evaluate the efficacy of EDTA-containing propofol formulations in preventing microbial growth.
- To assess the impact of EDTA on the incidence of nosocomial infections associated with propofol use.
Main Methods:
- In vitro studies assessing microbial growth in propofol with and without EDTA.
- Analysis of epidemiological data on nosocomial infection rates before and after the introduction of EDTA-containing propofol.
Main Results:
- In vitro studies confirmed that EDTA addition significantly retards microbial growth in propofol.
- Post-introduction data showed no further cluster outbreaks of nosocomial infections.
- Individual nosocomial infections associated with propofol appear to have been reduced.
Conclusions:
- EDTA-containing propofol formulations represent an effective additional safety measure against microbial contamination.
- The use of EDTA enhances aseptic practices, reducing the risk of propofol-related nosocomial infections.
- EDTA in propofol offers a promising strategy to mitigate infection-related morbidity, mortality, and economic burden.
Related Concept Videos
Parenteral Anesthetics: Overview
Effects of EDTA on End-Point Detection Methods
In the visual method, metal-ion indicators (metallochromic dyes), which have distinct colors in their free and complex forms, are added to the mixture to signal the titration's end point. They form stable complexes with metal ions, but these complexes are weaker than the corresponding metal–EDTA complexes. As a result, EDTA...
Masking and Demasking Agents
There are many masking agents, such as cyanide, fluoride, triethanolamine, thiourea, and 2,3-bis(sulfanyl)propan-1-ol (formerly 2,3-dimercapto-1-propanol), with the masking agent chosen based on the metal...
EDTA: Auxiliary Complexing Reagents
EDTA: Chemistry and Properties
Local Anesthetics: Clinical Application as Intravenous Regional Anesthesia
One of the advantages of...