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[Disinfection of devices for nebulization: stakes, difficulties, and improvement proposals]
G Reychler1, C Dupont, J C Dubus
1CRCM mixte et Service de Médecine Physique, Cliniques Universitaires Saint-Luc, Bruxelles, Belgique.
Introduction:
Nebulization may transport with the drug some small particles containing microbes.
State Of The Art:
These microbes may be present in all parts of the nebulizer, including the drug solution itself. Depending on the studies, contamination of the nebulizers may reach up to 55% of the devices in patients with cystic fibrosis. That's why using one nebulizer for one patient, using drug sterile ampoules, and having a good hygiene during and after the nebulization are so important. The national disinfection recommendations, usually depending on the type of the nebulizer, are variable from one to another country and are not very well validated. Moreover, the repetitive use of these disinfection techniques on the performances of the nebulizer are neither studied. In daily life, the patients respect these disinfection recommendations in 3 to 98% of the cases.
Perspectives:
We propose a standardized methodology for evaluating the microbial and functional effects of all disinfectants on the nebulizers.
Conclusion:
A simple, quick, efficacious, cheap, and without effect on nebulizer performances disinfectant is still waiting.
Insights
Microbial contamination is a risk in nebulizer use, especially for cystic fibrosis patients. A standardized method is proposed to evaluate disinfectants, as an ideal, safe, and effective option is still needed.
Area of Science:
- Microbiology
- Respiratory Medicine
- Biomedical Engineering
Context:
- Nebulizers can become contaminated with microbes from various sources, including the drug solution.
- Contamination rates in nebulizer devices can be as high as 55% in cystic fibrosis patients.
- Current national disinfection recommendations are variable, poorly validated, and patient adherence is inconsistent.
Purpose:
- To propose a standardized methodology for assessing the microbial and functional impact of disinfectants on nebulizer devices.
- To address the lack of validated disinfection protocols and their effects on nebulizer performance.
- To guide the development of effective and safe disinfection strategies for nebulizers.
Summary:
- Nebulization therapy carries a risk of microbial contamination, necessitating strict hygiene and validated disinfection protocols.
- A novel, standardized methodology is presented to evaluate both the antimicrobial efficacy and functional performance of nebulizer disinfectants.
- The study highlights the need for a disinfectant that is simple, quick, effective, inexpensive, and does not compromise nebulizer performance.
Impact:
- A standardized evaluation method will enable better comparison and selection of nebulizer disinfectants.
- This research aims to improve patient safety by reducing microbial risks associated with nebulizer use.
- The findings will contribute to the development of improved disinfection guidelines, enhancing the reliability and safety of nebulization therapy.
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