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Comparison of Bacterial Contamination in a Children’s Outpatient Clinic: General Medicine Versus Pulmonary Units

Publication ,  Conference
Levine, D; Spratt, H; Hanks, J; Woods, C; Joel, L; Gentner, K; Brunton, L
Published in: Infection Control & Hospital Epidemiology
October 2020

The bacteria that inhabit outpatient healthcare facilities influence patient outcomes and recovery, although the diversity and quantity of these bacterial communities is largely unknown. Whether differences in bacterial presence exist in individual medical specialty units of an outpatient clinic is also largely unknown. The purpose of this study was to compare bacterial species found in the general medicine and pulmonary units of an outpatient children’s clinic associated with a teaching hospital. In total, 6 locations (4 floor sites, counters, air ducts) were sampled in 3 rooms in the pulmonary (PUL) unit and 3 rooms in the general medicine (GM) unit on 13 days over a 6-month period. Sterile double transport swabs were utilized, transported on ice to a microbiology lab, and used to inoculate Hardy Diagnostics Cdiff Banana Broth (for ), CHROM MRSA agar (for methicillin-resistant [MRSA]), eosin methylene blue (Levine-type, for Lac+ gram negatives [GN]), and isolation agar (for spp and [PS and PSA]). Media were incubated for 48 hours at 37°C and were scored for bacterial presence based on colonial observation. The presence of bacteria isolated from GM and PUL units differed by species and location. Based on the percentage of positive swabs, the presence of GN was widespread in both units (Fig 1). Additionally, bacterial presence was greatest on the floors (GN ranged from 72% to 85% on floors in the 2 units), whereas counters had fewer positive swabs (GN ranged from 23% to 38% on counters), and swabs from return air ducts rarely led to bacterial growth. The 1 case in which swabs from the PUL unit resulted in higher levels of bacterial growth than for the GM unit was for PSA (GM, 8%; PUL, 13%). detection was the same on both units (ie, 35% of floor samples showed contamination). The levels of environmental bacterial presence observed for these clinic units differed in some cases by unit and ranged from not detectable to very high levels. Detection of on 35% of floor samples in both units could be problematic. Additionally, for the PUL unit, contamination of 13% of floor samples by PSA should raise concerns because many patients in this clinic have cystic fibrosis (CF). Although many CF patients are colonized by PSA, others may potentially contract an infection by this pathogen from the clinical environment. This observation supports current infection control recommendations for CF patients in outpatient settings. None None

Duke Scholars

Published In

Infection Control & Hospital Epidemiology

DOI

EISSN

1559-6834

ISSN

0899-823X

Publication Date

October 2020

Volume

41

Issue

S1

Start / End Page

s177 / s177

Publisher

Cambridge University Press (CUP)

Related Subject Headings

  • Epidemiology
  • 42 Health sciences
  • 32 Biomedical and clinical sciences
  • 11 Medical and Health Sciences
 

Citation

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Levine, D., Spratt, H., Hanks, J., Woods, C., Joel, L., Gentner, K., & Brunton, L. (2020). Comparison of Bacterial Contamination in a Children’s Outpatient Clinic: General Medicine Versus Pulmonary Units. In Infection Control & Hospital Epidemiology (Vol. 41, pp. s177–s177). Cambridge University Press (CUP). https://doi.org/10.1017/ice.2020.708
Levine, David, Henry Spratt, June Hanks, Charles Woods, Ledbetter Joel, Kevin Gentner, and Lindsey Brunton. “Comparison of Bacterial Contamination in a Children’s Outpatient Clinic: General Medicine Versus Pulmonary Units.” In Infection Control & Hospital Epidemiology, 41:s177–s177. Cambridge University Press (CUP), 2020. https://doi.org/10.1017/ice.2020.708.
Levine D, Spratt H, Hanks J, Woods C, Joel L, Gentner K, et al. Comparison of Bacterial Contamination in a Children’s Outpatient Clinic: General Medicine Versus Pulmonary Units. In: Infection Control & Hospital Epidemiology. Cambridge University Press (CUP); 2020. p. s177–s177.
Levine, David, et al. “Comparison of Bacterial Contamination in a Children’s Outpatient Clinic: General Medicine Versus Pulmonary Units.” Infection Control & Hospital Epidemiology, vol. 41, no. S1, Cambridge University Press (CUP), 2020, pp. s177–s177. Crossref, doi:10.1017/ice.2020.708.
Levine D, Spratt H, Hanks J, Woods C, Joel L, Gentner K, Brunton L. Comparison of Bacterial Contamination in a Children’s Outpatient Clinic: General Medicine Versus Pulmonary Units. Infection Control & Hospital Epidemiology. Cambridge University Press (CUP); 2020. p. s177–s177.
Journal cover image

Published In

Infection Control & Hospital Epidemiology

DOI

EISSN

1559-6834

ISSN

0899-823X

Publication Date

October 2020

Volume

41

Issue

S1

Start / End Page

s177 / s177

Publisher

Cambridge University Press (CUP)

Related Subject Headings

  • Epidemiology
  • 42 Health sciences
  • 32 Biomedical and clinical sciences
  • 11 Medical and Health Sciences