Evidence map›Paper›PMID 40052538›Full record

Trial reportThe clinical respiratory journal2025

Bacterial Colonization of Silver-Additive Ventilator Circuit in Patients Receiving Mechanical Ventilation: A Randomized Controlled Trial.

Ke-Yun Chao, Wei-Lun Liu, Chao-Yu Chen, Chia-Hui Su, Shih-Hsing Yang, Yu-Tzu Huang

Registry-linked trialAbstract readRandomized Controlled Trial
In one paragraph

Trial report in The clinical respiratory journal, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT04927806 (The Effectiveness of Antimicrobial Breathing System on the Presence of Multidrug-resistant Organisms), which is not on this map. Cited by 2 papers.

0numbers the graph read from it
0cells of the map it votes in
2citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

NCT04927806 nacompletednot on this map

The Effectiveness of Antimicrobial Breathing System on the Presence of Multidrug-resistant Organisms

TypeinterventionalSponsorFu Jen Catholic UniversityRan2021 to 2022Enrolled24ConditionsBacterial ContaminationArmsSilver Knight
3 · Its place in the literature

Who cites it

2 citing papers in PubMed.

  1. Review
  2. Veterinary Clinics as Reservoirs forAntibiotics (Basel, Switzerland) · 2025
    Review
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors.

Ke-Yun ChaoDepartment of Respiratory Therapy, College of Medicine, Fu Jen Catholic University, New Taipei City, Taiwan.ORCID https://orcid.org/0000-0001-5143-6873
Wei-Lun LiuSchool of Medicine, College of Medicine, Fu Jen Catholic University, New Taipei City, Taiwan.ORCID https://orcid.org/0000-0001-8593-8492
Chao-Yu ChenDepartment of Respiratory Therapy, Fu Jen Catholic University Hospital, Fu Jen Catholic University, New Taipei City, Taiwan.ORCID https://orcid.org/0009-0008-1812-3857
Chia-Hui SuInfection Control Center, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, New Taipei City, Taiwan.ORCID https://orcid.org/0009-0001-9453-5772
Shih-Hsing YangDepartment of Respiratory Therapy, College of Medicine, Fu Jen Catholic University, New Taipei City, Taiwan.ORCID https://orcid.org/0000-0002-1900-5229
Yu-Tzu HuangSchool of Medicine, College of Medicine, Fu Jen Catholic University, New Taipei City, Taiwan.ORCID https://orcid.org/0009-0000-4579-7947

Funding

Fu Jen Catholic University Hospital PL-202108037-M
6 · The paper itself

Abstract

introductionMechanical ventilation is a significant risk factor for developing ventilator-associated pneumonia. Although silver-coated endotracheal tubes have been shown to reduce the bacterial burden, the efficacy of silver-based ion additive ventilator circuits in reducing bacterial colonization remains unclear.

methodsThis single-site, randomized controlled trial compared the incidence of bacterial contamination between a silver-additive ventilator circuit and a ventilator circuit that did not have a silver additive. Bacterial samples were collected from the inspiratory limb and Y-adaptor of the circuit and analyzed using culture and identification methods.

resultsBacterial growth was observed in all samples from the control group and in 93.7% and 81.2% of inspiratory limb and Y-adaptor samples, respectively, from the study group. The colony counts in the inspiratory limb samples were significantly different between the groups, with a higher proportion of undesirable colony counts in the control group compared with the study group. No significant difference between the groups was observed in the colony counts in the Y-adaptor samples.

conclusionThe use of a silver-additive ventilator circuit may reduce bacterial circuit colonization. However, further research with larger sample sizes and more diverse patient populations is necessary to confirm these findings.

trial registrationClinicalTrial.gov: NCT04927806.

Indexed as

Equipment ContaminationPneumonia, Ventilator-AssociatedRespiration, ArtificialSilverVentilators, MechanicalAgedBacteriaColony Count, MicrobialFemaleHumansMaleMiddle AgedSilverantimicrobial agentbacterial colonizationinfection controlsilver‐based ion additiveventilator‐associated pneumoniaventilator circuit

Identifiers

PMID40052538
PMCPMC11886615

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Registered trials

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.