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Observational Study
. 2017 Sep 22;61(10):e00790-17.
doi: 10.1128/AAC.00790-17. Print 2017 Oct.

Transmission of Resistant Gram-Negative Bacteria to Health Care Worker Gowns and Gloves during Care of Nursing Home Residents in Veterans Affairs Community Living Centers

Natalia Blanco  1 , Lisa Pineles  1 , Alison D Lydecker  1   2 , J Kristie Johnson  1   3 , John D Sorkin  2   4 , Daniel J Morgan  1   2 ; VA Gown and Glove Investigators; Mary-Claire Roghmann  5   2
Collaborators, Affiliations
Observational Study

Transmission of Resistant Gram-Negative Bacteria to Health Care Worker Gowns and Gloves during Care of Nursing Home Residents in Veterans Affairs Community Living Centers

Natalia Blanco et al. Antimicrob Agents Chemother. .

Abstract

The objectives of the study were to estimate the risk of transmission of antibiotic-resistant Gram-negative bacteria (RGNB) to gowns and gloves (G&G) worn by health care workers (HCWs) when providing care to nursing home residents and to identify the types of care and resident characteristics associated with transmission. A multicenter, prospective observational study was conducted with residents and HCWs from Veterans Affairs (VA) nursing homes. Perianal swabs to detect RGNB were collected from residents. HCWs wore G&G during usual care activities, and the G&G were swabbed at the end of the interaction in a standardized manner. Transmission of RGNB from a colonized resident to G&G by type of care was measured. Odds ratios (ORs) associated with type of care or resident characteristics were estimated. Fifty-seven (31%) of 185 enrolled residents were colonized with ≥1 RGNB. RGNB transmission to HCW gloves or gowns occurred during 9% of the interactions (n = 905): 7% to only gloves and 2% to only gowns. Bathing the resident and providing hygiene and toilet assistance were associated with a high risk of transmission. Glucose monitoring and assistance with feeding or medication were associated with a low risk of transmission. In addition, antibiotic use by the resident was strongly associated with greater transmission (OR, 2.51; P < 0.01). RGNB were transferred to HCWs during ∼9% of visits. High-risk types of care were identified for which use of G&G may be prioritized. Antibiotic use was associated with 2.5 times greater risk of transmission, emphasizing the importance of antibiotic stewardship. (This study has been registered at ClinicalTrials.gov under registration no. NCT01350479.).

Keywords: Gram-negative bacteria; antibiotic resistance; nursing homes; transmission.

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Figures

FIG 1
FIG 1
RGNB transmission to HCW gowns and gloves during care of RGNB-colonized residents (n = 57) by type of care provided during 905 interactions. Black bars, transmission to gloves; gray bars, transmission to gowns.
FIG 2
FIG 2
Enrollment diagram.
See this image and copyright information in PMC

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