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Universal COVID-19 testing and a three-space triage protocol is associated with a nine-fold decrease in possible nosocomial infections in an inpatient psychiatric facility.

Abstract
In May of 2020, the Substance Abuse and Mental Health Service Administration (SAMSA) issued guidelines for state psychiatric hospitals, recommending that these facilities adopt universal testing for COVID-19 and "three-space" triage protocols for dedicated COVID-19 positive, negative, and quarantine spaces to mitigate the risk of nosocomial infection. The Westchester Behavioral Health Center of New York Presbyterian Hospital (WBHC-NYP) adopted a comprehensive infection control protocol consistent with these recommendations in April, 2020. We reviewed the records of 1,139 patients treated on the inpatient service at WBHC-NYP between March 14th and June 10th, 2020, dates corresponding to the first COVID-19 surge in the New York City metropolitan region. The incidence of detected nosocomial or possible nosocomial infections before and during the implementation of the protocol was 0.096 (16/167), or 0.96 infections per 10 at-risk patients. The incidence of nosocomial or possible nosocomial infections after complete implementation was 0.0110 (2/182), or 1.1 infections per 100 at-risk patients. The difference in incidence between the two time points was statistically significant (p<.0003) and represents a 9-fold decrease.  Our findings support the institutional use of a combined testing and space allocation protocol to mitigate risk of outbreaks in confined settings.
AuthorsBenjamin D Brody, Zhenzhen Shi, Charles Shaffer, Daniel Eden, Katarzyna Wyka, Sharon J Parish, George S Alexopoulos, Helen Nazario, Mark J Russ, Dora Kanellopoulos
JournalPsychiatry research (Psychiatry Res) Vol. 302 Pg. 114036 (08 2021) ISSN: 1872-7123 [Electronic] Ireland
PMID34098157 (Publication Type: Journal Article, Research Support, N.I.H., Extramural)
CopyrightCopyright © 2021. Published by Elsevier B.V.
Topics
  • Adolescent
  • Adult
  • Aged
  • Aged, 80 and over
  • COVID-19 (epidemiology, prevention & control)
  • COVID-19 Testing (methods)
  • Child
  • Cross Infection (epidemiology, prevention & control)
  • Female
  • Hospitals, Psychiatric
  • Humans
  • Inpatients (statistics & numerical data)
  • Male
  • Middle Aged
  • New York City (epidemiology)
  • Triage (methods)
  • Young Adult

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