The rate of brain death and organ donation in patients resuscitated from cardiac arrest: a systematic review and meta-analysis

Claudio Sandroni, Massimo Antonelli, Sonia D'Arrigo, Clifton W. Callaway, Alain Cariou, Irina Dragancea, Fabio Silvio Taccone

Risultato della ricerca: Contributo in rivistaArticolo in rivista

52 Citazioni (Scopus)

Abstract

BACKGROUND: The occurrence of brain death in patients with hypoxic-ischaemic brain injury after resuscitation from cardiac arrest creates opportunities for organ donation. However, its prevalence is currently unknown. METHODS: Systematic review. MEDLINE via PubMed, ISI Web of Science and the Cochrane Database of Systematic Reviews were searched for eligible studies (2002-2016). The prevalence of brain death in adult patients resuscitated from cardiac arrest and the rate of organ donation among brain dead patients were summarised using a random effect model with double-arcsine transformation. The quality of evidence (QOE) was evaluated according to the GRADE guidelines. RESULTS: 26 studies [16 on conventional cardiopulmonary resuscitation (c-CPR), 10 on extracorporeal CPR (e-CPR)] included a total of 23,388 patients, 1830 of whom developed brain death at a mean time of 3.2 ± 0.4 days after recovery of circulation. The overall prevalence of brain death among patients who died before hospital discharge was 12.6 [10.2-15.2] %. Prevalence was significantly higher in e-CPR vs. c-CPR patients (27.9 [19.7-36.6] vs. 8.3 [6.5-10.4] %; p < 0.0001). The overall rate of organ donation among brain dead patients was 41.8 [20.2-51.0] % (9/26 studies, 1264 patients; range 0-100 %). The QOE was very low for both outcomes. CONCLUSIONS: In patients with hypoxic-ischaemic brain injury following CPR, more than 10 % of deaths were due to brain death. More than 40 % of brain-dead patients could donate organs. Patients who are unconscious after resuscitation from cardiac arrest, especially when resuscitated using e-CPR, should be carefully screened for signs of brain death.
Lingua originaleEnglish
pagine (da-a)1661-1671
Numero di pagine11
RivistaIntensive Care Medicine
Volume42
DOI
Stato di pubblicazionePubblicato - 2016

Keywords

  • Anoxia-ischemia, brain
  • Brain death
  • Cardiac arrest
  • Organ donation

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