Neonatal exposure to active pulmonary tuberculosis in a health care professional

Mithu Sen1, Daniel Gregson, James Lewis

  • 1Division of Respirology, University of Western Ontario, London Health Sciences Centre and St. Joseph's Health Centre, London, Ont. mithu.sen@lhsc.on.ca

Insights

Nosocomial tuberculosis (TB) transmission to neonates is rare but serious. This study details the investigation and management of 124 neonates exposed to an infectious health care worker in a neonatal intensive care unit.

Area of Science:

  • Medicine
  • Infectious Diseases
  • Neonatal Care

Background:

  • Nosocomial transmission of tuberculosis (TB) is a known risk in healthcare settings.
  • Transmission to neonates is infrequently reported, posing unique challenges due to their vulnerability.

Purpose of the Study:

  • To describe the investigation and management of a TB exposure event involving neonates, visitors, and healthcare workers.
  • To highlight the importance of prompt and thorough contact tracing in neonatal intensive care units (NICUs).

Main Methods:

  • Investigated a 16-day exposure period of 124 neonates, 301 visitors, and 219 healthcare workers to an infectious healthcare worker with active TB.
  • Implemented contact tracing, screening protocols, and prophylactic measures.

Main Results:

  • Detailed the scale of exposure within the NICU environment.
  • Outlined the management strategies employed for different exposure groups.

Conclusions:

  • Emphasizes the critical need for vigilance and robust infection control measures to prevent TB transmission in NICUs.
  • Underscores the importance of timely intervention following potential nosocomial TB exposure in vulnerable infant populations.

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