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Effectiveness of barrier precautions for prevention of patient-to-patient transfer of a viral DNA surrogate marker

Published online by Cambridge University Press:  17 December 2020

Heba Alhmidi ,
Jennifer L. Cadnum ,
Yilen K. Ng-Wong ,
Annette L. Jencson ,
Brigid M. Wilson  and
Curtis J. Donskey
Heba Alhmidi
Affiliation:
Research Service, Louis Stokes Cleveland VA Medical Center, Cleveland, Ohio
Jennifer L. Cadnum
Affiliation:
Research Service, Louis Stokes Cleveland VA Medical Center, Cleveland, Ohio
Yilen K. Ng-Wong
Affiliation:
Research Service, Louis Stokes Cleveland VA Medical Center, Cleveland, Ohio
Annette L. Jencson
Affiliation:
Research Service, Louis Stokes Cleveland VA Medical Center, Cleveland, Ohio
Brigid M. Wilson
Affiliation:
Geriatric Research, Education and Clinical Center, Louis Stokes Cleveland VA Medical Center, Cleveland, Ohio
Curtis J. Donskey*
Affiliation:
Geriatric Research, Education and Clinical Center, Louis Stokes Cleveland VA Medical Center, Cleveland, Ohio Case Western Reserve University School of Medicine, Cleveland, Ohio
*
Author for correspondence: Curtis J. Donskey, E-mail: Curtis. [email protected]
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Abstract

Background:

Gloves and gowns are used during patient care to reduce contamination of personnel and prevent pathogen transmission.

Objective:

To determine whether the use of gowns adds a substantial benefit over gloves alone in preventing patient-to-patient transfer of a viral DNA surrogate marker.

Methods:

In total, 30 source patients had 1 cauliflower mosaic virus surrogate marker applied to their skin and clothing and a second to their bed rail and bedside table. Personnel caring for the source patients were randomized to wear gloves, gloves plus cover gowns, or no barrier. Interactions with up to 7 subsequent patients were observed, and the percentages of transfer of the DNA markers were compared among the 3 groups.

Results:

In comparison to the no-barrier group (57.8% transfer of 1 or both markers), there were significant reductions in transfer of the DNA markers in the gloves group (31.1% transfer; odds ratio [OR], 0.16; 95% confidence interval [CI], 0.02-0.73) and the gloves-plus-gown group (25.9% transfer; OR, 0.11; 95% CI, 0.01–0.51). The addition of a cover gown to gloves during the interaction with the source patient did not significantly reduce the transfer of the DNA marker (P = .53). During subsequent patient interactions, transfer of the DNA markers was significantly reduced if gloves plus gowns were worn and if hand hygiene was performed (P < .05).

Conclusions:

Wearing gloves or gloves plus gowns reduced the frequency of patient-to-patient transfer of a viral DNA surrogate marker. The use of gloves plus gowns during interactions with the source patient did not reduce transfer in comparison to gloves alone.

Type
Original Article
Information
Infection Control & Hospital Epidemiology , Volume 42 , Issue 9 , September 2021 , pp. 1031 - 1036
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Creative Commons
This work is classified, for copyright purposes, as a work of the U.S. Government and is not subject to copyright protection within the United States
Copyright
© The Author(s), 2020. Published by Cambridge University Press on behalf of The Society for Healthcare Epidemiology of America

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