Articles tagged "Liver preservation"

2019 American Transplant Congress
Alpha-1 Antitrypsin Reduces Liver Ischemia Reperfusion Injury during Ex-Vivo Normothermic Machine Perfusion
D. Detelich¹, R. de Vries¹, C. Carroll¹, M. Stein², K. Uygun¹, H. Yeh¹, J. Markmann¹
¹Massachusetts General Hospital, Boston, MA, ²Kamada, Rehovot, Israel
*Purpose: Normothermic machine perfusion is an emerging preservation method in liver transplantation with vast potential as a platform for ex-vivo graft reconditioning. Alpha-1 Antitrypsin (AAT)…
2019 American Transplant Congress
Multi-omic Analysis Of Hepatic Ischemia/reperfusion Injury Identifies Novel Targets To Mitigate Hepatocellular Damage
S. Duarte¹, V. Boominathan², Z. Huo³, A. Kobayashi², U. Kim², Y. Lai², A. Coito¹, A. Zarrinpar²
¹Surgery, UCLA, Los Angeles, CA, ²Surgery, University of Florida, Gainesville, FL, ³Biostatistics, University of Florida, Gainesville, FL
*Purpose: Hepatic ischemia/reperfusion injury (IRI) is a major risk factor for acute rejection and early graft dysfunction in liver transplantation. The large and complex landscape…
2019 American Transplant Congress
‘Back-to-Base’ Normothermic Clinical Liver Perfusion – Cold before NMP Does Not Compromise Protective Benefit
K. Dajani, M. Bral, D. leon Izquierdo, D. Bigam, N. Kneteman, J. Shapiro
University of Alberta Hospital, Edmonton, AB, Canada
*Purpose: In previous clinical studies utilizing normothermic ex situ liver machine preservation, perfusion was initiated rapidly following organ procurement using a portable system transported to…
2019 American Transplant Congress
Effectiveness Of The Vittal Viability Criteria During Ex Situ Normothermic Machine Perfusion To Discriminate Hepatobiliary Organ Injury And Investigation Of Biochemical Markers For Post-transplant Complications
Y. L. Boteon, R. Laing, J. Attard, L. Wallace, A. Smith, M. Perera, D. Mirza, H. Mergental, S. Afford
Institute of Immunology and Immunotherapy, University of Birmingham, Birmingham, United Kingdom
*Purpose: The VITTAL (viability testing and transplantation of marginal livers) clinical trial demonstrated that ex situ end-ischaemic normothermic machine perfusion (NMP) allows functional assessment and…
2018 American Transplant Congress
One-Pump versus Two-Pump Normothermic Ex Vivo Perfusion Machines in Discarded Human Livers
A. Hassan, Q. Liu, D. Pezzati, A. Nassar, B. Soliman, M. Blum, P. Grady, G. Iuppa, T. Uso, J. Fung, K. Abu-Elmagd, C. Quintini.
Transplant Surgery, Cleveland Clinic, Cleveland.
Introduction:Physiologic flows and pressures need to be provided by the ex vivo liver perfusion device. We hypothesized that the 1-pump designed machines would provide the…
2018 American Transplant Congress
Resuscitation and Viability Testing of Initially Declined Livers Using Sequential Hypo- and Normothermic Machine Perfusion with an Acellular Fluid
Y. de Vries,^1,2 A. Matton,^1,2 S. Karangwa,^1,2 M. Nijsten,³ R. de Kleine,² A. van den Berg,⁴ V. de Meijer,² P. Meyer,⁵ M. de Boer,² R. Porte.²
¹Surgical Research Laboratory, University of Groningen, University Medical Center Groningen, Groningen, Netherlands; ²Section of HPB Surgery and Liver Transplantation, University Medical Center Groningen, Groningen, Netherlands; ³Department of Critical Care, University Medical Center Groningen, Groningen, Netherlands; ⁴Department of Gastroenterology and Hepatology, University Medical Center Groningen, Groningen, Netherlands; ⁵Department of Anesthesiology, University Medical Center Groningen, Groningen, Netherlands.
While end-ischemic dual hypothermic oxygenated machine perfusion (DHOPE) resuscitates mitochondria and reduces ischemia-reperfusion injury, normothermic machine perfusion (NMP) allows for ex-situ functional testing of donor…
2018 American Transplant Congress
Gene Silencing with p53 si-RNA Downregulates Inflammatory Markers in the Liver: Potential Utilization during Normothermic Machine Preservation
C. Moore,¹ M. Thijssen,^1,2 X. Wang,³ P. Mandrekar,³ E. Xiaofei,³ R. Abdi,⁴ R. Porte,² A. Bozorgzadeh,¹ H. Leuvenink,² T. Kowalik,³ P. Martins.¹
¹Dept of Surgery, University of Massachusetts, Worcester, MA; ²Dept of Surgery, Groningen University, Gronigen, Netherlands; ³Dept of Medicine, Univ. of Massachusetts, Worcester, MA; ⁴Transplant Research Institute, Harvard University, Boston, MA.
Background: RNA interference (RNAi) is a process through which RNA induces the activation of endogenous cellular pathways of RNA degradation, resulting in selective and potent…
2018 American Transplant Congress
Subnormothermic Machine Perfusion (SNMP) with Human Hemoglobin(Hb)-Based Oxygen Carriers (HBOCs)perfusate Decreased Hepatocellular Reperfusion Injury of Donation after Cardiac Death (DCD) Donor in Pig Model
T. Shonaka,¹ N. Matsuno,¹ H. Obara,² R. Yoshikawa,² Y. Nishikawa,³ M. Gochi,¹ M. Otani,¹ H. Takahashi,¹ H. Azuma,³ H. Sakai,⁴ H. Furukawa.¹
¹Department of Surgery, Asahikawa Medical University, Asahikawa, Japan; ²Tokyo Metroporitan University, Tokyo, Japan; ³Asahikawa Medical University, Asahikawa, Japan; ⁴Nara Medical University, Nara, Japan.
Subnormothermic machine perfusion (SNMP) alleviate hepatoceller injury during organ preservation. However more oxygen is required when perfusate SNMP. Some studies demonstrated that SNMP with hemoglobin-based…
2018 American Transplant Congress
Human Atrial Natriuretic Peptide (hANP) in Cold Storage of Donation after Cardiac Death Livers: A New Tool for Protecting Vascular Endothelia?
Y. Nigmet,¹ K. Hata,¹ Y. Okamura,¹ I. Tamaki,¹ T. Tsuruyama,² H. Hirao,¹ T. Kubota,¹ J. Kusakabe,¹ J. Yoshikawa,¹ T. Goto,¹ T. Tajima,¹ H. Tanaka,¹ S. Uemoto.¹
¹Department of Surgery, Division of Hepato-Biliary-Pancreatic Surgery and Transplantation, Kyoto University, Kyoto, Japan; ²Center for Anatomical, Pathological, and Forensic Medical Research, Kyoto University, Kyoto, Japan.
Aim: Current critical shortage of donor organs has led to acceptance of donation after cardiac death (DCD) livers for transplantation. Human atrial natriuretic peptide (hANP)…
2018 American Transplant Congress
Supercooling of Human Livers to Extend the Preservation Time for Transplantation
R. de Vries,^1,2 S. Tessier,^1,2 P. Banik,^1,2 S. Ozer,^1,2 S. Napgal,^1,2 S. Cronin,^1,2 J. Markmann,^1,2 H. Yeh,^1,2 K. Uygun.^1,2
¹Department of Surgery, Massachusetts General Hospital, Boston, MA; ²Center for Engineering in Medicine, Harvard Medical School, Boston, MA.
Introduction: Extending the maximum preservation time of donor organs could dramatically improve the outcome of organ transplantation. Static cold storage (SCS) at +5[deg]C is the…

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