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Ventilation Techniques and Risk for Transmission of Coronavirus Disease, Including COVID-19: A Living Systematic Review of Multiple Streams of Evidence.


ABSTRACT:

Background

Mechanical ventilation is used to treat respiratory failure in coronavirus disease 2019 (COVID-19).

Purpose

To review multiple streams of evidence regarding the benefits and harms of ventilation techniques for coronavirus infections, including that causing COVID-19.

Data sources

21 standard, World Health Organization-specific and COVID-19-specific databases, without language restrictions, until 1 May 2020.

Study selection

Studies of any design and language comparing different oxygenation approaches in patients with coronavirus infections, including severe acute respiratory syndrome (SARS) or Middle East respiratory syndrome (MERS), or with hypoxemic respiratory failure. Animal, mechanistic, laboratory, and preclinical evidence was gathered regarding aerosol dispersion of coronavirus. Studies evaluating risk for virus transmission to health care workers from aerosol-generating procedures (AGPs) were included.

Data extraction

Independent and duplicate screening, data abstraction, and risk-of-bias assessment (GRADE for certainty of evidence and AMSTAR 2 for included systematic reviews).

Data synthesis

123 studies were eligible (45 on COVID-19, 70 on SARS, 8 on MERS), but only 5 studies (1 on COVID-19, 3 on SARS, 1 on MERS) adjusted for important confounders. A study in hospitalized patients with COVID-19 reported slightly higher mortality with noninvasive ventilation (NIV) than with invasive mechanical ventilation (IMV), but 2 opposing studies, 1 in patients with MERS and 1 in patients with SARS, suggest a reduction in mortality with NIV (very-low-certainty evidence). Two studies in patients with SARS report a reduction in mortality with NIV compared with no mechanical ventilation (low-certainty evidence). Two systematic reviews suggest a large reduction in mortality with NIV compared with conventional oxygen therapy. Other included studies suggest increased odds of transmission from AGPs.

Limitation

Direct studies in COVID-19 are limited and poorly reported.

Conclusion

Indirect and low-certainty evidence suggests that use of NIV, similar to IMV, probably reduces mortality but may increase the risk for transmission of COVID-19 to health care workers.

Primary funding source

World Health Organization. (PROSPERO: CRD42020178187).

SUBMITTER: Schunemann HJ 

PROVIDER: S-EPMC7281716 | biostudies-literature | 2020 Aug

REPOSITORIES: biostudies-literature

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Publications

Ventilation Techniques and Risk for Transmission of Coronavirus Disease, Including COVID-19: A Living Systematic Review of Multiple Streams of Evidence.

Schünemann Holger J HJ   Khabsa Joanne J   Solo Karla K   Khamis Assem M AM   Brignardello-Petersen Romina R   El-Harakeh Amena A   Darzi Andrea A   Hajizadeh Anisa A   Bognanni Antonio A   Bak Anna A   Izcovich Ariel A   Cuello-Garcia Carlos A CA   Chen Chen C   Borowiack Ewa E   Chamseddine Fatimah F   Schünemann Finn F   Morgano Gian Paolo GP   Muti-Schünemann Giovanna E U GEU   Chen Guang G   Zhao Hong H   Neumann Ignacio I   Brozek Jan J   Schmidt Joel J   Hneiny Layal L   Harrison Leila L   Reinap Marge M   Junek Mats M   Santesso Nancy N   El-Khoury Rayane R   Thomas Rebecca R   Nieuwlaat Robby R   Stalteri Rosa R   Yaacoub Sally S   Lotfi Tamara T   Baldeh Tejan T   Piggott Thomas T   Zhang Yuan Y   Saad Zahra Z   Rochwerg Bram B   Perri Dan D   Fan Eddy E   Stehling Florian F   Akl Imad Bou IB   Loeb Mark M   Garner Paul P   Aston Stephen S   Alhazzani Waleed W   Szczeklik Wojciech W   Chu Derek K DK   Akl Elie A EA  

Annals of internal medicine 20200522 3


<h4>Background</h4>Mechanical ventilation is used to treat respiratory failure in coronavirus disease 2019 (COVID-19).<h4>Purpose</h4>To review multiple streams of evidence regarding the benefits and harms of ventilation techniques for coronavirus infections, including that causing COVID-19.<h4>Data sources</h4>21 standard, World Health Organization-specific and COVID-19-specific databases, without language restrictions, until 1 May 2020.<h4>Study selection</h4>Studies of any design and language  ...[more]

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