Pumping infusions with a syringe may cause contamination of the fluid in the syringe

Abstract Clinicians often perform pumping of infusions with a syringe (PIS) to quickly deliver fluid or blood transfusion to patients, especially during an emergency. Despite the efforts of the clinicians, critically ill patients are prone to acquire catheter-related bloodstream infections. Although...

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Main Authors: Yutaka Kawakami, Takashi Tagami
Format: Article
Language:English
Published: Nature Portfolio 2021-07-01
Series:Scientific Reports
Online Access:https://doi.org/10.1038/s41598-021-94740-1
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author Yutaka Kawakami
Takashi Tagami
author_facet Yutaka Kawakami
Takashi Tagami
author_sort Yutaka Kawakami
collection DOAJ
description Abstract Clinicians often perform pumping of infusions with a syringe (PIS) to quickly deliver fluid or blood transfusion to patients, especially during an emergency. Despite the efforts of the clinicians, critically ill patients are prone to acquire catheter-related bloodstream infections. Although clinicians have reported the possibility of PIS contamination, no group of researchers has studied nor confirmed this possibility. Here, we examined whether PIS can cause bacterial contamination of the fluid inside the syringes, using microbiological tests, including the analysis Escherichia coli DH-5 alpha growth by measuring the absorbance at OD600. We confirmed that contamination of fluid in the barrel was almost proportional to the applied volume of bacterial fluid. Aliquots of DH-5 alpha artificially applied on the surface of the gloved hand of an examiner, the plunger or the inner side of the barrel of a syringe could permeate inside the syringe. Furthermore, disinfection with ethanol before PIS almost successfully prevented bacterial multiplication. Our findings suggest that PIS can cause intraluminal contamination when performed with unsterilized hands, and that previous disinfection with ethanol can effectively prevent PIS-induced contamination. These results highlight the risk of PIS-induced contamination and the importance of disinfection in the daily clinical practice.
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spelling doaj.art-1cc0fed58893417e87ae4087d6b5a3df2022-12-21T18:00:46ZengNature PortfolioScientific Reports2045-23222021-07-011111810.1038/s41598-021-94740-1Pumping infusions with a syringe may cause contamination of the fluid in the syringeYutaka Kawakami0Takashi Tagami1Department of Critical Care Medicine, Odawara Municipal HospitalDepartment of Emergency and Critical Care Medicine, Nippon Medical School Musashikosugi HospitalAbstract Clinicians often perform pumping of infusions with a syringe (PIS) to quickly deliver fluid or blood transfusion to patients, especially during an emergency. Despite the efforts of the clinicians, critically ill patients are prone to acquire catheter-related bloodstream infections. Although clinicians have reported the possibility of PIS contamination, no group of researchers has studied nor confirmed this possibility. Here, we examined whether PIS can cause bacterial contamination of the fluid inside the syringes, using microbiological tests, including the analysis Escherichia coli DH-5 alpha growth by measuring the absorbance at OD600. We confirmed that contamination of fluid in the barrel was almost proportional to the applied volume of bacterial fluid. Aliquots of DH-5 alpha artificially applied on the surface of the gloved hand of an examiner, the plunger or the inner side of the barrel of a syringe could permeate inside the syringe. Furthermore, disinfection with ethanol before PIS almost successfully prevented bacterial multiplication. Our findings suggest that PIS can cause intraluminal contamination when performed with unsterilized hands, and that previous disinfection with ethanol can effectively prevent PIS-induced contamination. These results highlight the risk of PIS-induced contamination and the importance of disinfection in the daily clinical practice.https://doi.org/10.1038/s41598-021-94740-1
spellingShingle Yutaka Kawakami
Takashi Tagami
Pumping infusions with a syringe may cause contamination of the fluid in the syringe
Scientific Reports
title Pumping infusions with a syringe may cause contamination of the fluid in the syringe
title_full Pumping infusions with a syringe may cause contamination of the fluid in the syringe
title_fullStr Pumping infusions with a syringe may cause contamination of the fluid in the syringe
title_full_unstemmed Pumping infusions with a syringe may cause contamination of the fluid in the syringe
title_short Pumping infusions with a syringe may cause contamination of the fluid in the syringe
title_sort pumping infusions with a syringe may cause contamination of the fluid in the syringe
url https://doi.org/10.1038/s41598-021-94740-1
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