A Comparative Study on the Contamination Level of Intravenous Infusion Ports: A Comparison of 3-way Stopcock (Open-system) and Needleless Connector (Closed-system)

Bo Jung Jang; Ki Sook Kim

doi:10.14192/kjhaicp.2019.24.1.19

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Jang and Kim: A Comparative Study on the Contamination Level of Intravenous Infusion Ports: A Comparison of 3-way Stopcock (Open-system) and Needleless Connector (Closed-system)

Original Article

Korean Journal of Healthcare-Associated Infection Control and Prevention 2019; 24(1): 19-25.

Published online: 28 June 2019

DOI: https://doi.org/10.14192/kjhaicp.2019.24.1.19

A Comparative Study on the Contamination Level of Intravenous Infusion Ports: A Comparison of 3-way Stopcock (Open-system) and Needleless Connector (Closed-system)

Bo Jung Jang¹, Ki Sook Kim²

¹Department of Nursing, Surgical Intensive Care Unit, Bundang Jesaeng General Hospital, Seongnam, Korea.

²Department of Nursing, Infection Control Office, Bundang Jesaeng General Hospital, Seongnam, Korea.

Correspondence to: Ki Sook Kim, Infection Control Office, Bundang Jesaeng General Hospital, 20 Seohyeon-ro 180beon-gil, Bundang-gu, Seongnam 13590, Korea. Tel: 031-779-6520, Fax: 031-779-0617, rioriorio@naver.com

Received 8 February 2019 Revised 19 April 2019 Accepted 19 May 2019

Korean Society for Healthcare-Associated Infection Control and Prevention

Abstract

Background

This study was conducted to evaluate the level of intravenous injection port contamination in 3-way stopcock (open-system) or needleless connector (closed-system) intravenous infusion devices before and after disinfecting for 3 seconds with alcohol cotton.

Methods

Eighty patients who underwent intravenous infusion therapy from April 1, 2018, to June 30, 2018, in a surgical intensive care unit were included. The sampling time was 48 hours after intravenous injection. Patients received 3-way stopcock or needleless connectors in intravenous infusion devices. The device was wiped with alcohol cotton for 3 seconds. Before and after the disinfection of each intravenous infusion port, the intravenous injection port was swapped with a sterile swab. The number of colonies was compared using the blood agar plate medium.

Results

There was a significant difference in the number of colonies between the devices (P=0.001). The number of total colonies was much less in the needleless connectors than in the 3-way stopcock. There was no difference after disinfection of the injection port for 3 seconds, but the number of colonies in the needleless connector was lesser than that in the 3-way stopcock.

Conclusion

Needleless connector systems (closed-system) are subject to a lower contamination level than 3-way stopcock systems (open-system). It was confirmed that 3 seconds of disinfection time of the intravenous infusion port is insufficient to decrease bacterial colonization.

Keywords: 3-way stopcock, Needleless connector

Figures and Tables

Table 1

Homogeneity test for general characteristic of participants (N=80)

^*Fisher exact test; ^†Total Parental Nutrition; ^‡Intravenous side Injection.

Table 2

Differences in the total bacterial count from BAP according to the devices (N=80)

Abbreviation: CI, confidence interval.

Table 3

Differences in the bacterial count from BAP before and after scrubbing the hub with alcohol (N=80)

Abbreviation: CI, confidence interval.

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