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Early short course of neuromuscular blocking agents in patients with COVID-19 ARDS: a propensity score analysis

  • The COVID-19 Critical Care Consortium
  • Queensland Health
  • University of Queensland
  • August Pi i Sunyer Biomedical Research Institute
  • Queensland University of Technology
  • UnitingCare Hospitals
  • The Wesley Research Institute
  • COVID-19 Critical Care Consortium
  • Heart and Vascular Institute
  • CE170100009)
  • University of Galway
  • University of Toronto
  • University of Cape Town
  • Toronto General Hospital
  • IRCCS Fondazione Ca'Granda – Ospedale Maggiore Policlinico - Milano
  • University of Michigan, Ann Arbor
  • New York Presbyterian Hospital
  • Monash University
  • Alfred Health
  • Ospedale San Paolo
  • University of Milan
  • King Faisal Specialist Hospital and Research Centre
  • Universidad Nacional de Mar del Plata
  • Nippon Medical School
  • Universidad de Buenos Aires
  • National Cardiovascular Center Harapan Kita
  • University of Oxford
  • University of British Columbia
  • BC Children's Hospital Research Institute
  • University College Dublin
  • Alfred I. duPont Hospital for Children
  • University of Genoa
  • University of Genova
  • Hospital Clínic i Universitari
  • The University of Hong Kong
  • Al-Adan Hospital
  • Allegheny General Hospital
  • Avera Health
  • Barmherzige Bruder Regansburg
  • Baylor Scott & White Health
  • Baylor Health Care System

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

Background: The role of neuromuscular blocking agents (NMBAs) in coronavirus disease 2019 (COVID-19) acute respiratory distress syndrome (ARDS) is not fully elucidated. Therefore, we aimed to investigate in COVID-19 patients with moderate-to-severe ARDS the impact of early use of NMBAs on 90-day mortality, through propensity score (PS) matching analysis. Methods: We analyzed a convenience sample of patients with COVID-19 and moderate-to-severe ARDS, admitted to 244 intensive care units within the COVID-19 Critical Care Consortium, from February 1, 2020, through October 31, 2021. Patients undergoing at least 2 days and up to 3 consecutive days of NMBAs (NMBA treatment), within 48 h from commencement of IMV were compared with subjects who did not receive NMBAs or only upon commencement of IMV (control). The primary objective in the PS-matched cohort was comparison between groups in 90-day in-hospital mortality, assessed through Cox proportional hazard modeling. Secondary objectives were comparisons in the numbers of ventilator-free days (VFD) between day 1 and day 28 and between day 1 and 90 through competing risk regression. Results: Data from 1953 patients were included. After propensity score matching, 210 cases from each group were well matched. In the PS-matched cohort, mean (± SD) age was 60.3 ± 13.2 years and 296 (70.5%) were male and the most common comorbidities were hypertension (56.9%), obesity (41.1%), and diabetes (30.0%). The unadjusted hazard ratio (HR) for death at 90 days in the NMBA treatment vs control group was 1.12 (95% CI 0.79, 1.59, p = 0.534). After adjustment for smoking habit and critical therapeutic covariates, the HR was 1.07 (95% CI 0.72, 1.61, p = 0.729). At 28 days, VFD were 16 (IQR 0–25) and 25 (IQR 7–26) in the NMBA treatment and control groups, respectively (sub-hazard ratio 0.82, 95% CI 0.67, 1.00, p = 0.055). At 90 days, VFD were 77 (IQR 0–87) and 87 (IQR 0–88) (sub-hazard ratio 0.86 (95% CI 0.69, 1.07; p = 0.177). Conclusions: In patients with COVID-19 and moderate-to-severe ARDS, short course of NMBA treatment, applied early, did not significantly improve 90-day mortality and VFD. In the absence of definitive data from clinical trials, NMBAs should be indicated cautiously in this setting.

Original languageEnglish
Article number141
JournalCritical Care
Volume26
Issue number1
DOIs
StatePublished - 1 Dec 2022

Bibliographical note

Publisher Copyright:
© 2022, The Author(s).

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 3 - Good Health and Well-being
    SDG 3 Good Health and Well-being

Keywords

  • COVID-19
  • Intensive care unit
  • Mechanical ventilation
  • Neuromuscular blocking agent
  • SARS-CoV-2

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