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Volume 27, Number 4—April 2021
Research Letter

Rapid Spread and Control of Multidrug-Resistant Gram-Negative Bacteria in COVID-19 Patient Care Units

Ashka Patel, Michele Emerick, Marie K. Cabunoc, Michelle H. Williams, Michael Anne Preas, Gregory Schrank, Ronald Rabinowitz, Paul Luethy, J. Kristie Johnson, and Surbhi LeekhaComments to Author 
Author affiliations: University of Maryland Medical Center, Baltimore, Maryland, USA (A. Patel, M. Emerick, M.K. Cabunoc, M.H. Williams, M.A. Preas); University of Maryland School of Medicine, Baltimore (G. Schrank, R. Rabinowitz, P. Luethy, J.K. Johnson, S. Leekha)

Main Article

Figure

Incidence of patients with a clinical or surveillance culture-positive result indicating MDR or cefepime-resistant Escherichia coli, MDR Acinetobacter baumannii, or MDR Pseudomonas aeruginosa >48 hours after admission to a hospital in Maryland, USA, by week, March 1–July 31, 2020. A) Overall hospitalwide incidence (118 total cases, with 98 positive cultures belonging to outbreak units). Narrow white bars represent the number of surveillance cultures obtained during the outbreak and shaded bars show positive cultures by organism. Arrows show timing of relevant events for transmission and control. B) Incidence of outbreak cases (n = 98) stratified by the 3 units affected by the outbreak. Organisms nonsusceptible to >2 of piperacillin/tazobactam, cefepime, or carbapenem are considered MDR. Patients are included for the first positive culture per organism and therefore might be included more than once. MDR, multidrug-resistant.

Figure. Incidence of patients with a clinical or surveillance culture-positive result indicating MDR or cefepime-resistant Escherichia coli, MDR Acinetobacter baumannii, or MDR Pseudomonas aeruginosa >48 hours after admission to a hospital in Maryland, USA, by week, March 1–July 31, 2020. A) Overall hospitalwide incidence (118 total cases, with 98 positive cultures belonging to outbreak units). Narrow white bars represent the number of surveillance cultures obtained during the outbreak and shaded bars show positive cultures by organism. Arrows show timing of relevant events for transmission and control. B) Incidence of outbreak cases (n = 98) stratified by the 3 units affected by the outbreak. Organisms nonsusceptible to >2 of piperacillin/tazobactam, cefepime, or carbapenem are considered MDR. Patients are included for the first positive culture per organism and therefore might be included more than once. MDR, multidrug-resistant.

Main Article

Page created: February 09, 2021
Page updated: March 19, 2021
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