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ICU TopicsEthics

ICU · Ethics

Disaster/Pandemic Ethics — Resource Allocation & Triage

Also known as Disaster ethics · Pandemic triage · Resource allocation · SOFA score triage · Maximise lives saved · Fair innings · Triage committee · Crisis standards of care · Conventional contingency crisis surge · START triage · Mass casualty triage · Ventilator allocation framework · Multiprinciple allocation · Reverse triage · Duty to care · Withdrawal to reallocate

Disaster/pandemic ethics — the shift from individual focus (standard ICU) to population focus (maximise good across all) when demand exceeds supply. Mass casualty triage (START — simple triage and rapid treatment; reverse triage for burns/electrical). Surge capacity tiers: conventional → contingency → crisis, with crisis standards of care. Resource allocation principles: maximise lives saved (utilitarian), maximise life-years (fair innings), instrumental value (healthcare workers), random lottery tie-breaker. Ethical frameworks compared (utilitarian, egalitarian, prioritarian). Ventilator allocation frameworks: SOFA-based single-principle vs multiprinciple (SOFA + comorbidity + age caps + exclusions). SOFA score as the objective prognosis tool, re-triaged dynamically. Crisis standards of care must be DECLARED. Triage committee SEPARATE from the treating team. Withdrawal to reallocate: defensible only under declared crisis standards, ex ante framing, never ad hoc. Duty to care versus duty to self, set by reciprocity.

high20 referencesUpdated 26 July 202616 min readVerification in progress

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Disaster ethics is the move from individual focus (your normal undivided duty to each patient) to population focus (allocate finite resources to do the most good, fairly) the moment demand exceeds supply. The four triage principles, lexically ordered: maximise lives saved (utilitarian — treat those most likely to survive this episode), maximise life-years (fair innings — a tie-breaker, not the primary rule, to avoid ageism), instrumental value (healthcare workers — the only defensible social-worth, a multiplier not intrinsic worth), and random lottery (the only egalitarian tie-breaker that survives scrutiny). SOFA is the objective prognostic anchor — higher score means higher mortality means lower priority — but never the sole criterion. Declare crisis standards formally; activate a triage committee separate from the treating team; re-triage dynamically. Withdrawal-to-reallocate is defensible only under declared crisis standards, via the committee, framed ex ante — never ad hoc at the bedside.[1]

Meet the patient

Your region has formally declared crisis standards of care in a severe COVID wave. There is one ventilator left and three candidates: a 28-year-old previously well woman with COVID ARDS, SOFA 7; a 58-year-old with ischaemic cardiomyopathy and COVID ARDS, SOFA 9, on noradrenaline; and a 72-year-old retired ICU nurse with COVID ARDS, SOFA 10, failing to improve at 60 hours.[1]

The question staring at you is the one disaster ethics exists to answer: what publicly defensible, consistently applied, reviewable process decides who receives a scarce resource when not all can? You do not make this decision at the bedside — you hand it to a triage committee applying a published protocol. The rest of this topic is the protocol.[1][14]

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References20ShowHide
  1. [1]Emanuel EJ, Persad G, Upshur R, et al. Fair Allocation of Scarce Medical Resources in the Time of Covid-19 N Engl J Med, 2020.PMID 32202722
  2. [2]Truog RD, Mitchell C, Daley GQ The Toughest Triage - Allocating Ventilators in a Pandemic N Engl J Med, 2020.PMID 32202721
  3. [3]Maves RC, Downar J, Dichter JR, et al. Triage of Scarce Critical Care Resources in COVID-19 An Implementation Guide for Regional Allocation: An Expert Panel Report of the Task Force for Mass Critical Care and the American College of Chest Physicians Chest, 2020.PMID 32289312
  4. [4]Daugherty Biddison EL, Faden R, Gwon HS, et al. Too Many Patients…A Framework to Guide Statewide Allocation of Scarce Mechanical Ventilation During Disasters Chest, 2019.PMID 30316913
  5. [5]Christian MD, Hawryluck L, Wax RS, et al. Development of a triage protocol for critical care during an influenza pandemic CMAJ, 2006.PMID 17116904
  6. [6]White DB, Katz MH, Luce JM, Lo B Who should receive life support during a public health emergency? Using ethical principles to improve allocation decisions Ann Intern Med, 2009.PMID 19153413
  7. [7]White DB, Lo B Structural Inequities, Fair Opportunity, and the Allocation of Scarce ICU Resources Hastings Cent Rep, 2021.PMID 34529848
  8. [8]Benson M, Koenig KL, Schultz CH Disaster triage: START, then SAVE--a new method of dynamic triage for victims of a catastrophic earthquake Prehosp Disaster Med, 1996.PMID 10159733
  9. [9]Lerner EB, Schwartz RB, Coule PL, et al. Mass casualty triage: an evaluation of the data and development of a proposed national guideline Disaster Med Public Health Prep, 2008.PMID 18769263
  10. [10]Robertson-Steel I Evolution of triage systems Emerg Med J, 2006.PMID 16439754
  11. [11]Hick JL, Hanfling D, Wynia MK, Pavia AT Duty to Plan: Health Care, Crisis Standards of Care, and Novel Coronavirus SARS-CoV-2 NAM Perspect, 2020.PMID 34532682
  12. [12]Dichter JR, Devereaux AV, Sprung CL, et al. Mass Critical Care Surge Response During COVID-19: Implementation of Contingency Strategies - A Preliminary Report of Findings From the Task Force for Mass Critical Care Chest, 2022.PMID 34499878
  13. [13]Vincent JL, Creteur J Ethical aspects of the COVID-19 crisis: How to deal with an overwhelming shortage of acute beds Eur Heart J Acute Cardiovasc Care, 2020.PMID 32347745
  14. [14]Jöbges S, Vinay R, Luyckx VA, Biller-Andorno N Recommendations on COVID-19 triage: international comparison and ethical analysis Bioethics, 2020.PMID 32975826
  15. [15]Christian MD, Joynt GM, Hick JL, et al. Chapter 7. Critical care triage. Recommendations and standard operating procedures for intensive care unit and hospital preparations for an influenza epidemic or mass disaster Intensive Care Med, 2010.PMID 20213422
  16. [16]Auriemma CL, Molinero AM, Houtrow AJ, et al. Eliminating Categorical Exclusion Criteria in Crisis Standards of Care Frameworks Am J Bioeth, 2020.PMID 32420822
  17. [17]Gandhi R, Piscitello GM, Parker WF, et al. Variation in COVID-19 Resource Allocation Protocols and Potential Implementation in the Chicago Metropolitan Area AJOB Empir Bioeth, 2021.PMID 34596474
  18. [18]Kerlin MP, Costa DK, Davis BS, et al. Actions Taken by US Hospitals to Prepare for Increased Demand for Intensive Care During the First Wave of COVID-19: A National Survey Chest, 2021.PMID 33716038
  19. [19]Drennan K, Hicks P, Hart G Impact of pandemic (H1N1) 2009 on Australasian critical care units Crit Care Resusc, 2010.PMID 21143081
  20. [20]Demoule A, Fartoukh M, Louis G, et al. ICU strain and outcome in COVID-19 patients-A multicenter retrospective observational study PLoS One, 2022.PMID 35853020

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