Intended for healthcare professionals

Letters Covid care: when to start invasive ventilation?

Covid-19: What happened to randomised controlled trials?

BMJ 2021; 372 doi: https://doi.org/10.1136/bmj.n387 (Published 11 February 2021) Cite this as: BMJ 2021;372:n387
  1. Charles P Warlow, emeritus professor of medical neurology
  1. University of Edinburgh, Edinburgh, UK
  1. charles.warlow{at}ed.ac.uk

Whenever there is widespread uncertainty about the balance between the benefits and harms of a therapeutic intervention—which clearly exists for the timing of when to start invasive ventilation judging from Torjesen’s article1—the solution is generally …

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