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Year : 2020  |  Volume : 10  |  Issue : 5  |  Page : 17-20

Hypothermic machine perfusion utilization and outcomes for deceased-donor kidneys: A retrospective cohort study

1 Department of Anesthesiology; Department of Anesthesiology, Critical Care and Perioperative Epidemiologic Research Unit, Duke University, Durham, NC, USA
2 Harborview Injury Prevention and Research Center, University of Washington, Seattle, Washington, USA
3 Department of Anesthesiology and Pain Medicine, University of Washington, Seattle, Washington, USA

Correspondence Address:
Dr. Vijay Krishnamoorthy
2301 Erwin Road, Durham, NC 27710
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/IJCIIS.IJCIIS_22_20

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Introduction: Hypothermic machine perfusion (HMP) has been established as an efficacious method for preserving kidney allografts from deceased donors in clinical trials, but little data are available on the effectiveness of HMP in real-world settings. We examined factors associated with HMP use and clinical outcomes in a real-world organ procurement organization setting. Methods: We conducted a retrospective cohort study of the Lifecenter Northwest organ procurement database from 2010 to 2015, linked to the United Network of Organ Sharing outcomes database. We examined HMP utilization, and our primary outcomes were delayed graft function (DGF) and graft survival, using multivariable Poisson and Cox regression models. Results: Among 1729 deceased-donor kidneys, 797 (46%) were preserved with HMP. Higher donor age, region of procurement, and donation type were associated with HMP use. HMP was associated with a 37% decreased risk of DGF (adjusted relative risk 0.63, 95% confidence interval [CI]: 0.51–0.78), with no effect on 1-year graft survival (adjusted hazard ratio 0.83, 95% CI: 0.38–1.80). Conclusion: Variation exists in the utilization of HMP for deceased donor kidneys. HMP reduced the risk for DGF, but was not associated with improvements in long-term graft survival.

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