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Endoscopic transmission of Helicobacter pylori
1Department of Gastroenterology-Hepatology, Amsterdam, The Netherlands.
Abstract:
The contamination of endoscopes and biopsy forceps with Helicobacter pylori occurs readily after endoscopic examination of H. pylori-positive patients. Unequivocal proof of iatrogenic transmission of the organism has been provided. Estimates for transmission frequency approximate to 4 per 1000 endoscopies when the infection rate in the endoscoped population is about 60%. Iatrogenic transmission has also been shown to be the cause of the so-called 'acute mucosal lesion' syndrome in Japan. Traditional cleaning and alcohol rinsing is insufficient to eliminate endoscope/forceps contamination. Only meticulous adherence to disinfection recommendations guarantees H. pylori elimination.
Insights
Endoscopes can transmit Helicobacter pylori (H. pylori) between patients, posing an iatrogenic risk. Strict adherence to disinfection protocols is essential to prevent H. pylori contamination and transmission during endoscopy.
Area of Science:
- Gastroenterology
- Infectious Diseases
- Medical Device Decontamination
Background:
- Endoscopic procedures carry a risk of transmitting Helicobacter pylori (H. pylori).
- Iatrogenic transmission of H. pylori via contaminated endoscopes and biopsy forceps has been documented.
- The prevalence of H. pylori infection in the endoscoped population influences transmission risk.
Purpose of the Study:
- To highlight the risk of iatrogenic Helicobacter pylori transmission through endoscopic equipment.
- To emphasize the inadequacy of standard cleaning methods for eliminating H. pylori contamination.
- To underscore the necessity of rigorous disinfection for patient safety.
Main Methods:
- Review of evidence on H. pylori contamination of endoscopic instruments.
- Analysis of iatrogenic transmission frequency estimates.
- Evaluation of the effectiveness of cleaning and disinfection procedures.
Main Results:
- Endoscopes and biopsy forceps are readily contaminated with H. pylori post-procedure.
- Transmission frequency is estimated at 4 per 1000 endoscopies in a 60% infected population.
- Iatrogenic transmission is linked to 'acute mucosal lesion' syndrome in Japan.
Conclusions:
- Standard cleaning and alcohol rinsing are insufficient to eliminate H. pylori from endoscopic devices.
- Meticulous adherence to disinfection recommendations is crucial for eradicating H. pylori contamination.
- Ensuring proper disinfection is vital to prevent iatrogenic spread of H. pylori.