ArticleMicrobiology spectrum2022
High Prevalence Rate of Microbial Contamination in Patient-Ready Gastrointestinal Endoscopes in Tehran, Iran: an Alarming Sign for the Occurrence of Severe Outbreaks.
Article in Microbiology spectrum, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 6 papers.
What it found
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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.
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.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
6 citing papers in PubMed, 18 citations in OpenAlex.
- Biomimetic Mustard Seed-Inspired Brush-Free Alternative for Effective Endoscope Channel Cleaning and Decontamination.Biomimetics (Basel, Switzerland) · 2026Article
- Identifying markers of biofilm formation on medical-grade stainless steel as a representative medical device material.Microbiology (Reading, England) · 2026Article
- Effectiveness of drying in digestive endoscope reprocessing: Systematic review on residual droplets and microorganisms.Endoscopy international open · 2026Review
- Identification of key control points in instrument reprocessing of hospital central sterile supply department and its association analysis with surgical site infection.Frontiers in public health · 2026Article
- Effect of simethicone on the bactericidal efficacy of a high-level disinfectant.Journal of medical microbiology · 2024Article
- Transmission Dynamics and Novel Treatments of High Risk Carbapenem-ResistantPharmaceuticals (Basel, Switzerland) · 2024Review
Corrections and comments
- Erratum issued
Authors and funding
20 authors at 6 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
An alarmingly increasing number of outbreaks caused by contaminated gastrointestinal (GI) endoscopes are being reported as a particularly concerning issue. This study is the first large-scale multicenter survey to evaluate the contamination of GI endoscopes in Tehran, Iran. This multicenter study was conducted among 15 tertiary referral and specialized gastrointestinal settings. Reprocessed GI endoscopes were sampled by the sequence of the flush-brush-flush method. Bacterial and viral contamination, as well as antimicrobial resistance, were explored by culture and molecular assays. A total of 133 reprocessed and ready-to-use GI endoscopes were investigated. In phase I and phase II, 47% and 32%, respectively, of the GI endoscopes were determined to be contaminated. GI flora was the most prevalent contaminant isolated from GI endoscopes, in which the most predominant bacteria were Pseudomonas aeruginosa, Escherichia coli, and Klebsiella pneumoniae, in both phase I and II evaluations. The majority of the isolated bacteria in the current study were considered multidrug-resistant organisms (MDROs). More importantly, we recovered carbapenem-resistant nonfermentative Gram-negative bacilli (CRNFGNB), carbapenem-resistant
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Registered trials
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