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Early COVID-19 pandemic concerns over aerosol-generating procedures (AGPs) impacted patient care. This review examines transmission risks of respiratory therapies and offers evidence-based mitigation strategies.

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Area of Science:

  • Respiratory medicine
  • Infectious disease control
  • Critical care

Background:

  • During the COVID-19 pandemic, respiratory therapies were often classified as aerosol-generating procedures (AGPs).
  • This classification led to significant clinical concerns and resource shortages for patients requiring respiratory support.
  • Assessing the actual transmission risk of these procedures became crucial for safe patient management.

Purpose of the Study:

  • To review existing evidence on the transmission risk associated with various respiratory care procedures during the pandemic.
  • To provide evidence-based recommendations for mitigating the transmission risk of AGPs.
  • To inform clinical practice and resource allocation for respiratory therapies.

Main Methods:

  • A narrative review of studies published within the last two years.
  • Synthesis of evidence regarding the transmission risk of different respiratory care procedures.
  • Analysis of factors influencing aerosol generation and transmission.

Main Results:

  • Evidence suggests varying transmission risks among different respiratory therapies.
  • Identification of specific procedures with higher or lower aerosol generation potential.
  • Data supports the need for tailored infection control measures rather than a blanket classification of AGPs.

Conclusions:

  • The classification of all respiratory therapies as AGPs may not be universally supported by current evidence.
  • Risk mitigation strategies should be based on procedure-specific evidence and risk assessment.
  • Implementing targeted infection control measures can optimize resource use and patient care.