Donor conversion rates depend on the assessment tools used in the evaluation of potential organ donors

Yorick Groot, EFM Wijdicks, Mathieu van der Jagt, Hanneke Bakker, Hester Lingsma, J.N.M. IJzermans, Erwin Kompanje

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Abstract

Purpose: It is desirable to identify a potential organ donor (POD) as early as possible to achieve a donor conversion rate (DCR) as high as possible which is defined as the actual number of organ donors divided by the number of patients who are regarded as a potential organ donor. The DCR is calculated with different assessment tools to identify a POD. Obviously, with different assessment tools, one may calculate different DCRs, which make comparison difficult. Our aim was to determine which assessment tool can be used for a realistic estimation of a POD pool and how they compare to each other with regard to DCR. Methods: Retrospective chart review of patients diagnosed with a subarachnoid haemorrhage, traumatic brain injury or intracerebral haemorrhage. We applied three different assessment tools on this cohort of patients. Results: We identified a cohort of 564 patients diagnosed with a subarachnoid haemorrhage, traumatic brain injury or intracerebral haemorrhage of whom 179/564 (31.7%) died. After applying the three different assessment tools the number of patients, before exclusion of medical reasons or age, was 76 for the IBD-FOUR definition, 104 patients for the IBD-GCS definition and 107 patients based on the OPTN definition of imminent neurological death. We noted the highest DCR (36.5%) in the IBD-FOUR definition. Conclusion: The definition of imminent brain death based on the FOUR-score is the most practical tool to identify patients with a realistic chance to become brain dead and therefore to identify the patients most likely to become POD.
Original languageUndefined/Unknown
Pages (from-to)665-670
Number of pages6
JournalIntensive Care Medicine
Volume37
Issue number4
DOIs
Publication statusPublished - 2011

Research programs

  • EMC COEUR-09
  • EMC MM-04-47-07
  • EMC NIHES-02-65-01

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