Jonathan Elmer1, Amy R Weisgerber2, David J Wallace3, Edward Horne2, Susan A Stuart2, Kurt Shutterly2, Clifton W Callaway4. 1. Department of Emergency Medicine, University of Pittsburgh School of Medicine, Pittsburgh, USA; Department of Critical Care Medicine, University of Pittsburgh School of Medicine, Pittsburgh, USA; Department of Neurology, University of Pittsburgh School of Medicine, Pittsburgh, USA. Electronic address: elmerjp@upmc.edu. 2. Center for Organ Recovery and Education, Pittsburgh, USA. 3. Department of Critical Care Medicine, University of Pittsburgh School of Medicine, Pittsburgh, USA. 4. Department of Emergency Medicine, University of Pittsburgh School of Medicine, Pittsburgh, USA.
Abstract
INTRODUCTION: Survival and recovery after out-of-hospital cardiac arrest (OHCA) varies between hospitals, with better outcomes associated with high-volume and specialty care. We evaluated if there is a similar relationship with organ donation after OHCA. METHODS: We studied a cohort of adults resuscitated from OHCA from 2010 to 2018, treated at one of 112 hospitals served by a regional organ procurement organization (OPO). We obtained hospital-level characteristics from Centers for Medicare and Medicaid Services and Health Resources and Services Administration and obtained patients' clinical information from the OPO health record. We excluded patients with no potential to donate on initial referral. Our primary exposure was treatment at a high-volume hospital (defined > 500 eligible cases during the study period) and our primary outcomes were suitability to donate after full medical evaluation, successful organ procurement and organ transplantation. We used mixed effects models to quantify between-hospital variability in the primary outcomes. RESULTS: Overall, 9792 patients were included and 796 (8%) were organ donors. We identified significant between-hospital variation in odds of donation (median odds ratio 1.64 [95% CI 1.42-2.02]). Hospital volume explained the greatest proportion of variability. High volume centers had a higher proportion of referrals with potential to donate (16.9 vs 12.2%), actual donation (10.3 vs 6.2%), and successful transplantation (9.4 vs 5.7%). Overall, 2032/7763 (26%) of recovered transplantable organs in this region were procured from OHCA patients. CONCLUSION: High volume centers are more likely to refer and procure transplantable organs from patients with non-survivable OHCA.
INTRODUCTION: Survival and recovery after out-of-hospital cardiac arrest (OHCA) varies between hospitals, with better outcomes associated with high-volume and specialty care. We evaluated if there is a similar relationship with organ donation after OHCA. METHODS: We studied a cohort of adults resuscitated from OHCA from 2010 to 2018, treated at one of 112 hospitals served by a regional organ procurement organization (OPO). We obtained hospital-level characteristics from Centers for Medicare and Medicaid Services and Health Resources and Services Administration and obtained patients' clinical information from the OPO health record. We excluded patients with no potential to donate on initial referral. Our primary exposure was treatment at a high-volume hospital (defined > 500 eligible cases during the study period) and our primary outcomes were suitability to donate after full medical evaluation, successful organ procurement and organ transplantation. We used mixed effects models to quantify between-hospital variability in the primary outcomes. RESULTS: Overall, 9792 patients were included and 796 (8%) were organ donors. We identified significant between-hospital variation in odds of donation (median odds ratio 1.64 [95% CI 1.42-2.02]). Hospital volume explained the greatest proportion of variability. High volume centers had a higher proportion of referrals with potential to donate (16.9 vs 12.2%), actual donation (10.3 vs 6.2%), and successful transplantation (9.4 vs 5.7%). Overall, 2032/7763 (26%) of recovered transplantable organs in this region were procured from OHCA patients. CONCLUSION: High volume centers are more likely to refer and procure transplantable organs from patients with non-survivable OHCA.
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