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Some Patients Are More Equal Than Others: Variation in Ventilator Settings for Coronavirus Disease 2019 Acute Respiratory Distress Syndrome.


ABSTRACT:

Objectives

As coronavirus disease 2019 is a novel disease, treatment strategies continue to be debated. This provides the intensive care community with a unique opportunity as the population of coronavirus disease 2019 patients requiring invasive mechanical ventilation is relatively homogeneous compared with other ICU populations. We hypothesize that the novelty of coronavirus disease 2019 and the uncertainty over its similarity with noncoronavirus disease 2019 acute respiratory distress syndrome resulted in substantial practice variation between hospitals during the first and second waves of coronavirus disease 2019 patients.

Design

Multicenter retrospective cohort study.

Setting

Twenty-five hospitals in the Netherlands from February 2020 to July 2020, and 14 hospitals from August 2020 to December 2020.

Patients

One thousand two hundred ninety-four critically ill intubated adult ICU patients with coronavirus disease 2019 were selected from the Dutch Data Warehouse. Patients intubated for less than 24 hours, transferred patients, and patients still admitted at the time of data extraction were excluded.

Measurements and main results

We aimed to estimate between-ICU practice variation in selected ventilation parameters (positive end-expiratory pressure, Fio2, set respiratory rate, tidal volume, minute volume, and percentage of time spent in a prone position) on days 1, 2, 3, and 7 of intubation, adjusted for patient characteristics as well as severity of illness based on Pao2/Fio2 ratio, pH, ventilatory ratio, and dynamic respiratory system compliance during controlled ventilation. Using multilevel linear mixed-effects modeling, we found significant (p ≤ 0.001) variation between ICUs in all ventilation parameters on days 1, 2, 3, and 7 of intubation for both waves.

Conclusions

This is the first study to clearly demonstrate significant practice variation between ICUs related to mechanical ventilation parameters that are under direct control by intensivists. Their effect on clinical outcomes for both coronavirus disease 2019 and other critically ill mechanically ventilated patients could have widespread implications for the practice of intensive care medicine and should be investigated further by causal inference models and clinical trials.

SUBMITTER: Dam TA 

PROVIDER: S-EPMC8522869 | biostudies-literature | 2021 Oct

REPOSITORIES: biostudies-literature

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Publications

Some Patients Are More Equal Than Others: Variation in Ventilator Settings for Coronavirus Disease 2019 Acute Respiratory Distress Syndrome.

Dam Tariq A TA   de Grooth Harm-Jan HJ   Klausch Thomas T   Fleuren Lucas M LM   de Bruin Daan P DP   Entjes Robert R   Rettig Thijs C D TCD   Dongelmans Dave A DA   Boelens Age D AD   Rigter Sander S   Hendriks Stefaan H A SHA   de Jong Remko R   Kamps Marlijn J A MJA   Peters Marco M   Karakus A A   Gommers Diederik D   Ramnarain Dharmanand D   Wils Evert-Jan EJ   Achterberg Sefanja S   Nowitzky Ralph R   van den Tempel Walter W   de Jager Cornelis P C CPC   Nooteboom Fleur G C A FGCA   Oostdijk Evelien E   Koetsier Peter P   Cornet Alexander D AD   Reidinga Auke C AC   de Ruijter Wouter W   Bosman Rob J RJ   Frenzel Tim T   Urlings-Strop Louise C LC   de Jong Paul P   Smit Ellen G M EGM   Cremer Olaf L OL   Mehagnoul-Schipper D Jannet DJ   Faber Harald J HJ   Lens Judith J   Brunnekreef Gert B GB   Festen-Spanjer Barbara B   Dormans Tom T   Dijkstra Annemieke A   Simons Bram B   Rijkeboer A A AA   Arbous Sesmu S   Aries Marcel M   Beukema Menno M   Pretorius Daniël D   van Raalte Rutger R   van Tellingen Martijn M   Gritters van den Oever Niels C NC   Lalisang Robbert C A RCA   Tonutti Michele M   Girbes Armand R J ARJ   Hoogendoorn Mark M   Thoral Patrick J PJ   Elbers Paul W G PWG  

Critical care explorations 20211014 10


<h4>Objectives</h4>As coronavirus disease 2019 is a novel disease, treatment strategies continue to be debated. This provides the intensive care community with a unique opportunity as the population of coronavirus disease 2019 patients requiring invasive mechanical ventilation is relatively homogeneous compared with other ICU populations. We hypothesize that the novelty of coronavirus disease 2019 and the uncertainty over its similarity with noncoronavirus disease 2019 acute respiratory distress  ...[more]

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