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Background: Commonly used cleaning brushes in the reprocessing of flexible endoscopes often cause damage within the working channels.
Aim: To develop a spray flushing system to achieving effective cleaning of the working channels while minimizing damage.
Methods: This prospective study included 60 used endoscopes and 60 Teflon tubes randomly divided into a control group ( = 30) and an experimental group ( = 30). The material of Teflon tubes was the same as that of the endoscope working channel. Endoscopes in the control group were manually cleaned using traditional cleaning brushes, while those in the experimental group were cleaned using the newly developed spray flushing system. ATP levels, cleanliness, and microbiological testing of the working channels were measured. Additionally, Teflon tubes in the control group underwent 500 passes with a cleaning brush, while those in the experimental group were subjected to the spray flushing system, and channel damage was evaluated.
Results: The ATP levels (RLU) in the two groups were 32.5 (13-66) and 26 (16-40), respectively ( > 0.05). Cleanliness scores were 1.5 (1-2) and 1 (1-2), respectively ( > 0.05). Debris was found in 73.3% of the control group, which was significantly higher than 46.7% in the experimental group ( < 0.05). Microbiological tests for both groups yielded negative results. Teflon tube damage in the control group was rated at 4 (4-5.25), which was significantly higher than in the experimental group 4 (3-4) ( < 0.01).
Conclusion: The spray flushing system demonstrated superior efficacy in removing debris and resulted in less damage to the endoscope working channels compared with traditional cleaning brushes.
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http://dx.doi.org/10.3748/wjg.v30.i31.3680 | DOI Listing |
J Foot Ankle Surg
July 2025
Department of Oral and Maxillofacial Surgery, Santosh Dental College and Hospital, Santosh Deemed to Be University, Ghaziabad NCR Delhi, India.
There is inadequate evidence-based literature for clinicians supporting the role of adjuvant rehabilitation options in cases of bone deficient pathologies, and fractures. A literature search was done from e-resources such as DELNET, J-gate, Scopus, Web of Science, EBSCO & PubMed from 18 May 2000 to 28 August 2024. The search was performed through the student's corner at our university with keywords such as bone density, calcitonin, calcitonin nasal spray, fractures, and pathology.
View Article and Find Full Text PDFAm J Infect Control
August 2025
Department of Environmental Science, University of Arizona, Tucson, AZ. Electronic address:
Background: Toilet flushing has been reported to result in pathogen contamination of restroom fomites and air. The goal of this study was to investigate the effectiveness of an air sanitizing spray on reducing cross-contamination of restroom fomites and air after toilet flushing.
Methods: Bacteriophage MS2 was added to toilet bowl water, then flushed, and cross-contamination of restroom fomites and air was determined.
World J Gastroenterol
March 2025
Department of General Surgery, Tan Tock Seng Hospital, Singapore 308433, Singapore.
The advancement in endoscopic technology and techniques has increased its use in the diagnosis and treatment of gastrointestinal diseases. Reprocessing of reusable endoscopes remains a challenge. Inadequate reprocessing leads to bacterial contamination of the endoscope, a significant cause of endoscope-related infections.
View Article and Find Full Text PDFInt J Biol Macromol
May 2025
Department of Applied Chemistry, College of Science, China Agricultural University, Yuanmingyuan West Road 2, Haidian District, Beijing 100193, PR China. Electronic address:
The prevalence of apple Valsa canker (AVC) poses a significant threat to the vitality of apple trees, jeopardizing the progress of the apple industry. Current strategies have proven inadequate in managing the disease effectively due to challenges such as extended duration and frequent relapses, especially low-adhesion vertical target. Herein, we introduce a pesticide-fertilizer synergistic alginate-based hydrogel (P&F-Gel) to enhance long-term pesticide retention and offer nutrient supplementation without labor-intensive practices.
View Article and Find Full Text PDFWorld J Gastrointest Endosc
January 2025
General Medicine, College of Medicine and Sagore Dutta Hospital, Kolkata 700058, India.
This article comments on the article by Du , who conducted a randomized controlled trial aiming at evaluating the effectiveness of a novel spray flushing system in cleaning flexible endoscopes while minimizing damage to the working channels. We share our perspective on the importance of improving endoscope reprocessing methods. The findings highlight the spray flushing system's capacity to improve cleaning efficacy while minimizing damage, suggesting that it might be important in enhancing endoscope reprocessing procedures.
View Article and Find Full Text PDF