Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

[Bacterial aerosol generated by mechanical ventilators: comparative study]

M D Dias1, E N Pellacine, C A Zechineli

  • 1Unidade de Terapia Intensiva do Hospital 9 de Julho, São Paulo.

Revista Da Associacao Medica Brasileira (1992)
|January 1, 1997
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Forum: social network for the surveillance and prevention of workplace accidents.

Work (Reading, Mass.)·2012
Same author

Tracheostomy in children: there is a place for acceptable risk.

The Journal of trauma·2000
Same author

Effect of hyperbaric oxygen on the regeneration of experimental crush injuries of nerves.

Revista do Hospital das Clinicas·2000
Same author

[Esophageal injury in the anterior approach of the cervical spine].

Revista do Hospital das Clinicas·1994
Same author

[The new system of gaseous mixture humidification and heating of respirators: comparative study].

Revista da Associacao Medica Brasileira (1992)·1993
Same author

[Epilepsy and public education].

Arquivos de neuro-psiquiatria·1992
Same journal

Comparison of three-lobe and en-bloc techniques during the holmium laser enucleation of the prostate learning curve: a prospective, multicenter, cohort study.

Revista da Associacao Medica Brasileira (1992)·2026
Same journal

Prenatal diagnosis of congenital talipes equinovarus: favorable outcome is highly dependent on the absence of associated anomalies.

Revista da Associacao Medica Brasileira (1992)·2026
Same journal

The relationship between preoperative anxiety and postoperative recovery index in laparoscopic abdominal surgery patients.

Revista da Associacao Medica Brasileira (1992)·2026
Same journal

Decoding inflammation: first-trimester biomarkers as predictive tools for gestational diabetes.

Revista da Associacao Medica Brasileira (1992)·2026
Same journal

Comparative evaluation of total mandibular inferior border circumferential osteotomy and T-chinoplasty with mandibular angle osteotomy.

Revista da Associacao Medica Brasileira (1992)·2026
Same journal

The effect of a mobile application-based music intervention on pain levels and analgesic consumption following surgery: a randomized controlled trial.

Revista da Associacao Medica Brasileira (1992)·2026
See all related articles

Mechanical ventilators can spread bacteria. Using a hygroscopic condensator humidifier significantly reduced bacterial aerosol contamination compared to conventional water nebulization.

Area of Science:

  • Environmental Microbiology
  • Medical Engineering

Background:

  • Mechanical ventilators are essential in critical care but can generate aerosolized particles.
  • Bacterial colonization of ventilator-generated aerosol poses a risk of environmental contamination.

Purpose of the Study:

  • To compare environmental contamination from mechanical ventilators using two humidification methods.
  • To evaluate bacterial aerosol generation by conventional water nebulization versus hygroscopic condensation.

Main Methods:

  • Mechanical respirators were studied over 15 minutes.
  • Bacterial aerosol generation was assessed from the expiratory valve.
  • Two humidification systems were compared: conventional water nebulization and hygroscopic condensator.

Main Results:

Related Experiment Videos

  • Positive bacterial cultures were found in 32.2% of aerosols from the conventional system.
  • Only 5% of aerosols from the hygroscopic condensator system showed positive bacterial cultures.
  • This difference was statistically significant (p = 0.0340).

Conclusions:

  • Humidification using a hygroscopic condensator is an effective method to reduce bacterial contamination.
  • This technique may lower the risk of environmental bacterial spread from mechanical ventilators.