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Akdogan M, Demirbakan K, Baydilek Y, Yuksel Y. Lactated Ringer as Preservation Solution in Living Donor Renal Transplantation. Transplant Proc 2023:S0041-1345(23)00313-5. [PMID: 37202302 DOI: 10.1016/j.transproceed.2023.04.031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2023] [Accepted: 04/25/2023] [Indexed: 05/20/2023]
Abstract
BACKGROUND Optimal organ preservation remains a critical hallmark event in renal transplantation as it is the supply line. Previous studies have shown that the choice of preservation solution may affect transplant outcomes. In this study, we aimed to present the early follow-up results of the graft and patients, using lactated Ringer to preserve kidney allografts with living donors. METHODS The results of 97 living donor transplant operations performed in Sanko University Hospital were evaluated retrospectively. The patient's evaluation included demographics, dialysis time duration, renal replacement method, primary disease, comorbidity, surgical and clinical complications in the acute period, graft functions, blood levels of calcineurin inhibitor drugs, anastomotic renal artery, warm ischemia, and cold ischemia times. RESULTS Donor (49 men, 50.5%) and recipient (58 men, 59.7%) demographics, HLA compatibility (mismatch), hospitalization days, and length of warm and cold ischemic time are summarized in Table 1. Primary nonfunction was not defined in any patients, but delayed graft function was observed during the follow-up of 3 patients (3.09%), who were all hypotensive in the post-transplantation period, and positive inotropic infusion was needed for hemodynamic stability. CONCLUSIONS Lactated Ringer demonstrated efficacy in terms of patient and graft survival, and its lower cost represents a financial advantage, so it can be used in living donor kidney transplantation because it is safe, effective, and inexpensive. Standard preservation solutions may still be recommended in cases with long cold ischemia times, such as paired exchange transplants and cadaveric transplants. Thus, randomized controlled studies are needed for further investigation.
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Affiliation(s)
- Mehtap Akdogan
- Department of Nephrology, Sanko University Medical School, Gaziantep, Turkey.
| | - Kenan Demirbakan
- Department of General Surgery, Sanko University Medical School, Gaziantep, Turkey
| | - Yunus Baydilek
- Department of Anesthesiology, Sanko University Medical School, Gaziantep, Turkey
| | - Yucel Yuksel
- Department of General Surgery, Sanko University Medical School, Gaziantep, Turkey
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Methane Admixture Protects Liver Mitochondria and Improves Graft Function after Static Cold Storage and Reperfusion. Antioxidants (Basel) 2023; 12:antiox12020271. [PMID: 36829829 PMCID: PMC9951982 DOI: 10.3390/antiox12020271] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 01/21/2023] [Accepted: 01/22/2023] [Indexed: 01/27/2023] Open
Abstract
Mitochondria are targets of cold ischemia-reperfusion (IR), the major cause of cell damage during static cold preservation of liver allografts. The bioactivity of methane (CH4) has recently been recognized in various hypoxic and IR conditions as having influence on many aspects of mitochondrial biology. We therefore hypothesized that cold storage of liver grafts in CH4-enriched preservation solution can provide an increased defence against organ dysfunction in a preclinical rat model of liver transplantation. Livers were preserved for 24 h in cold histidine-tryptophan-ketoglutarate (HTK) or CH4-enriched HTK solution (HTK-CH4) (n = 24 each); then, viability parameters were monitored for 60 min during normothermic isolated reperfusion and perfusate and liver tissue were collected. The oxidative phosphorylation capacity and extramitochondrial Ca2+ movement were measured by high resolution respirometry. Oxygen and glucose consumption increased significantly while hepatocellular damage was decreased in the HTK-CH4 grafts compared to the HTK group. Mitochondrial oxidative phosphorylation capacity was more preserved (128.8 ± 31.5 pmol/s/mL vs 201.3 ± 54.8 pmol/s/mL) and a significantly higher Ca2+ flux was detected in HTK-CH4 storage (2.9 ± 0.1 mV/s) compared to HTK (2.3 ± 0.09 mV/s). These results demonstrate the direct effect of CH4 on hepatic mitochondrial function and extramitochondrial Ca2+ fluxes, which may have contributed to improved graft functions and a preserved histomorphology after cold IR.
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Mohr A, Brockmann JG, Becker F. HTK-N: Modified Histidine-Tryptophan-Ketoglutarate Solution-A Promising New Tool in Solid Organ Preservation. Int J Mol Sci 2020; 21:ijms21186468. [PMID: 32899772 PMCID: PMC7555843 DOI: 10.3390/ijms21186468] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Revised: 08/20/2020] [Accepted: 09/02/2020] [Indexed: 01/26/2023] Open
Abstract
To ameliorate ischemia-induced graft injury, optimal organ preservation remains a critical hallmark event in solid organ transplantation. Although numerous preservation solutions are in use, they still have functional limitations. Here, we present a concise review of a modified Histidine-Tryptophan-Ketoglutarate (HTK) solution, named HTK-N. Its composition differs from standard HTK solution, carrying larger antioxidative capacity and providing inherent toxicity as well as improved tolerance to cold aiming to attenuate cold storage injury in organ transplantation. The amino acids glycine, alanine and arginine were supplemented, N-acetyl-histidine partially replaced histidine, and aspartate and lactobionate substituted chloride. Several in vitro studies confirmed the superiority of HTK-N in comparison to HTK, being tested in vivo in animal models for liver, kidney, pancreas, small bowel, heart and lung transplantation to adjust ingredients for required conditions, as well as to determine its innocuousness, applicability and potential advantages. HTK-N solution has proven to be advantageous especially in the preservation of liver and heart grafts in vivo and in vitro. Thus, ongoing clinical trials and further studies in large animal models and consequently in humans are inevitable to show its ability minimizing ischemia-induced graft injury in the sequel of organ transplantation.
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Sutherasan M, Uthaithammarat T, Taesombat W, Nonthasoot B, Nivatvong S, Worasitha A, Wongisaret K, Kanthawong W, Sirichindakul B. Combination of Euro-Collins and University of Wisconsin Solution: An Effective and Economic Substitute for Organ Procurement. Transplant Proc 2020; 52:50-53. [PMID: 32000942 DOI: 10.1016/j.transproceed.2019.03.069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2019] [Accepted: 03/12/2019] [Indexed: 10/25/2022]
Abstract
PURPOSE Many types of preservation fluid were used in liver procurement. Undoubtedly, the gold standard is the University of Wisconsin (UW) solution. But the solution is expensive. The aim of this study was to evaluate the results of combined acetated Ringer solution, Euro-Collins solution, and UW solution. MATERIALS AND METHODS All patients undergoing adult liver transplantation from cadaveric donor during January 2013 to December 2017 in King Chulalongkorn Memorial Hospital were included in this study. Donor and recipient characteristics, preservation fluid, operative data, and postoperative outcomes were recorded. RESULTS A total of 102 patients receiving liver transplants were enrolled into the study. The mean age of donors was 34.2 years. The mean total ischemic time was 420.93 minutes. In recipients, posttransplantation complications were the following: (1) primary nonfunction in 1 patient (0.98%); (2) early allograft dysfunction in 23 patients (22.5%); (3) hepatic artery thrombosis in 3 patients (2.7%); (4) hepatic venous outflow obstruction in 2 patients (1.96%); (5) biliary leakage in 1 patient (0.98%); (6) biliary anastomosis stenosis in 4 patients (3.92%); and (7) biliary nonanastomosis stenosis in 1 patient (0.98%). No inhospital mortality was occurred. Overall mortality rate is 7.8% (8/102). One-, 3-, and 5-year survival were 95.9%, 91.5%, and 88.4%, respectively. CONCLUSIONS The combination of acetated Ringer solution, Euro-Collins solution, and UW solution is effective and economic for liver preservation. Further study should be conducted.
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Affiliation(s)
- Methee Sutherasan
- Excellence Center for Organ Transplantation, King Chulalongkorn Memorial Hospital, Bangkok, Thailand; Department of Surgery, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand.
| | | | - Wipusit Taesombat
- Excellence Center for Organ Transplantation, King Chulalongkorn Memorial Hospital, Bangkok, Thailand; Department of Surgery, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Bunthoon Nonthasoot
- Excellence Center for Organ Transplantation, King Chulalongkorn Memorial Hospital, Bangkok, Thailand; Department of Surgery, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Supanit Nivatvong
- Excellence Center for Organ Transplantation, King Chulalongkorn Memorial Hospital, Bangkok, Thailand; Department of Surgery, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Athaya Worasitha
- Excellence Center for Organ Transplantation, King Chulalongkorn Memorial Hospital, Bangkok, Thailand; Department of Surgery, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Kanit Wongisaret
- Department of Surgery, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Wongkhae Kanthawong
- Excellence Center for Organ Transplantation, King Chulalongkorn Memorial Hospital, Bangkok, Thailand
| | - Boonchoo Sirichindakul
- Excellence Center for Organ Transplantation, King Chulalongkorn Memorial Hospital, Bangkok, Thailand; Department of Surgery, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
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Choi JH, Lee JE, Kim SH, Kim HL, Jeun SS, Yang SH. Functional survival of rat pituitary gland in hypothermic storage for pituitary transplantation. Pituitary 2019; 22:353-361. [PMID: 30989445 DOI: 10.1007/s11102-019-00959-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
PURPOSE Deteriorated pituitary function can lead to serious complications that might need lifelong hormone replacement therapy. However, long-term hormone administration can have significant adverse effects. Thus, it would be more desirable to restore pituitary function by pituitary transplantation. In this study, we investigated functional preservation of extracted pituitary gland in special preservation solution under hypothermic condition for pituitary transplantation. METHODS We obtained nineteen pituitary glands from 250-300 g male Sprague-Dawley rats via parapharyngeal approach. These extracted glands were divided into three pieces and stored in histidine-tryptophan-ketoglutarate (HTK) solution at 4 °C and compared to their corresponding glands stored in phosphate buffer saline (PBS). Light and electron microscopic examinations were performed to identify morphological changes of pituitary gland at 0,3, and 7 days after storage. TUNEL assay to confirm cell viability, and adenosine-triphosphate (ATP) concentration were also serially examined. RESULTS Tissue architecture and cellular viability of specimens preserved in HTK solution for 3 days were considerably maintained and similar to those in normal pituitary gland (0 day specimen). In contrast, specimens stored in PBS were markedly destroyed after 3 days of storage. After 7 days of storage, significant degeneration occurred in tissues stored in both HTK and PBS. However, tissue architecture was preserved more in specimens stored in HTK solution than those stored in PBS. ATP concentration decreased more rapidly in specimens stored in PBS solution, but there was no statistical significance (p= 0.055). CONCLUSIONS Extracted rat pituitary gland supplemented with special preservation solution could be preserved for 3 days under hypothermic condition.
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Affiliation(s)
- Jai Ho Choi
- Department of Neurosurgery, College of Medicine, Seoul St. Mary's Hospital, The Catholic University of Korea, 222, Banpodaero, Seochogu, Seoul, South Korea
| | - Jung Eun Lee
- Department of Neurosurgery, College of Medicine, Cell Death Disease Research Center, St. Vincent's Hospital, The Catholic University of Korea, 222, Banpodaero, Seochogu, Seoul, South Korea
| | - Se Hoon Kim
- Department of Pathology, Yonsei University of College of Medicine, Seoul, South Korea
| | - Hong-Lim Kim
- Laboratory of Electron Microscope, College of Medicine, Integrative Research Support Center, The Catholic University of Korea, Seoul, South Korea
| | - Sin Soo Jeun
- Department of Neurosurgery, College of Medicine, Seoul St. Mary's Hospital, The Catholic University of Korea, 222, Banpodaero, Seochogu, Seoul, South Korea.
| | - Seung Ho Yang
- Department of Neurosurgery, College of Medicine, Cell Death Disease Research Center, St. Vincent's Hospital, The Catholic University of Korea, 222, Banpodaero, Seochogu, Seoul, South Korea.
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Lattanzi B, Ott P, Rasmussen A, Kudsk KR, Merli M, Villadsen GE. Ischemic Damage Represents the Main Risk Factor for Biliary Stricture After Liver Transplantation: A Follow-Up Study in a Danish Population. In Vivo 2019; 32:1623-1628. [PMID: 30348725 DOI: 10.21873/invivo.11423] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2018] [Revised: 08/03/2018] [Accepted: 08/06/2018] [Indexed: 02/08/2023]
Abstract
BACKGROUND Biliary complications (BC) are frequently observed following liver transplantation. The aim of the present retrospective study, conducted at an outpatients' tertiary care hospital, was to determine the incidence of biliary complications and risk factors associated with their development in liver transplantation (lT) patients. MATERIALS AND METHODS The medical records were reviewed for all patients who underwent liver transplantation at the Rigshospitalet, Copenhagen, Denmark, from 2000 to 2011 and were referred to the Aarhus University Hospital for follow-up. Patients who died within 3 months of surgery or had incomplete clinical information were excluded. All data for demographic characteristics and possible risk factors for development of biliary stricture were collected. Fifty-one patients were included. RESULTS The median age at transplantation was 40 (range=7-64) years, and 53% of patients were males. Biliary complications occurred in 18 patients (35%), the majority of whom developed strictures (12 patients, 24%). Univariate and multivariate analyses revealed that cytomegalovirus infection (p=0.008), hepatic artery obstruction (p=0.03) and hepatic artery graft abnormalities (p=0.03) were independent risk factors for the development of biliary strictures. CONCLUSION One-third of patients presented biliary complications after liver transplantation, among which biliary strictures were the most common. Cytomegalovirus infection, hepatic artery stenosis and anatomical abnormality of the graft's hepatic artery are independent risk factors for the development of biliary stricture.
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Affiliation(s)
- Barbara Lattanzi
- Department of Clinical Medicine, Umberto 1 Hospital, Rome, Italy
| | - Peter Ott
- Department of Hepatology and Gastroenterology, Aarhus University Hospital, Aarhus, Denmark
| | - Allan Rasmussen
- Department of Surgical Gastroenterology and Liver Transplantation, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
| | - Karen Raben Kudsk
- Department of Hepatology and Gastroenterology, Aarhus University Hospital, Aarhus, Denmark
| | - Manuela Merli
- Department of Clinical Medicine, Umberto 1 Hospital, Rome, Italy
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Szilágyi ÁL, Mátrai P, Hegyi P, Tuboly E, Pécz D, Garami A, Solymár M, Pétervári E, Balaskó M, Veres G, Czopf L, Wobbe B, Szabó D, Wagner J, Hartmann P. Compared efficacy of preservation solutions on the outcome of liver transplantation: Meta-analysis. World J Gastroenterol 2018; 24:1812-1824. [PMID: 29713134 PMCID: PMC5922999 DOI: 10.3748/wjg.v24.i16.1812] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2018] [Revised: 04/02/2018] [Accepted: 04/09/2018] [Indexed: 02/06/2023] Open
Abstract
AIM To compare the effects of the four most commonly used preservation solutions on the outcome of liver transplantations. METHODS A systematic literature search was performed using MEDLINE, Scopus, EMBASE and the Cochrane Library databases up to January 31st, 2017. The inclusion criteria were comparative, randomized controlled trials (RCTs) for deceased donor liver (DDL) allografts with adult and pediatric donors using the gold standard University of Wisconsin (UW) solution or histidine-tryptophan-ketoglutarate (HTK), Celsior (CS) and Institut Georges Lopez (IGL-1) solutions. Fifteen RCTs (1830 livers) were included; the primary outcomes were primary non-function (PNF) and one-year post-transplant graft survival (OGS-1). RESULTS All trials were homogenous with respect to donor and recipient characteristics. There was no statistical difference in the incidence of PNF with the use of UW, HTK, CS and IGL-1 (RR = 0.02, 95%CI: 0.01-0.03, P = 0.356). Comparing OGS-1 also failed to reveal any difference between UW, HTK, CS and IGL-1 (RR = 0.80, 95%CI: 0.80-0.80, P = 0.369). Two trials demonstrated higher PNF levels for UW in comparison with the HTK group, and individual studies described higher rates of biliary complications where HTK and CS were used compared to the UW and IGL-1 solutions. However, the meta-analysis of the data did not prove a statistically significant difference: the UW, CS, HTK and IGL-1 solutions were associated with nearly equivalent outcomes. CONCLUSION Alternative solutions for UW yield the same degree of safety and effectiveness for the preservation of DDLs, but further well-designed clinical trials are warranted.
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Affiliation(s)
| | - Péter Mátrai
- Institute of Bioanalysis, University of Pécs, Pécs H-7624, Hungary
| | - Péter Hegyi
- Institute for Translational Medicine and First Department of Medicine, University of Pécs, Pécs H-7624, Hungary
- MTA-SZTE Translational Gastroenterology Research Group, Szeged H-6720, Hungary
- János Szentágothai Research Center, University of Pécs, Pécs H-7624, Hungary
| | - Eszter Tuboly
- Institute of Surgical Research, University of Szeged, Szeged H-6720, Hungary
| | - Daniella Pécz
- Institute of Surgical Research, University of Szeged, Szeged H-6720, Hungary
| | - András Garami
- Institute for Translational Medicine and First Department of Medicine, University of Pécs, Pécs H-7624, Hungary
| | - Margit Solymár
- Institute for Translational Medicine and First Department of Medicine, University of Pécs, Pécs H-7624, Hungary
| | - Erika Pétervári
- Institute for Translational Medicine and First Department of Medicine, University of Pécs, Pécs H-7624, Hungary
| | - Márta Balaskó
- Institute for Translational Medicine and First Department of Medicine, University of Pécs, Pécs H-7624, Hungary
| | - Gábor Veres
- 1st Department of Paediatrics, University of Semmelweis, Budapest H-1085, Hungary
| | - László Czopf
- Department of Cardiology, 1st Department of Medicine, University of Pécs, Pécs H-7624, Hungary
| | - Bastian Wobbe
- Department of Cardiology, 1st Department of Medicine, University of Pécs, Pécs H-7624, Hungary
| | - Dorottya Szabó
- Department of Cardiology, 1st Department of Medicine, University of Pécs, Pécs H-7624, Hungary
| | - Juliane Wagner
- Department of Cardiology, 1st Department of Medicine, University of Pécs, Pécs H-7624, Hungary
| | - Petra Hartmann
- Institute of Surgical Research, University of Szeged, Szeged H-6720, Hungary
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Rao F, Yang J, Gong C, Huang R, Wang Q, Shen J. Systematic review of preservation solutions for allografts for liver transplantation based on a network meta-analysis. Int J Surg 2018; 54:1-6. [PMID: 29684666 DOI: 10.1016/j.ijsu.2018.04.024] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2018] [Revised: 04/09/2018] [Accepted: 04/12/2018] [Indexed: 01/20/2023]
Abstract
AIMS The aim of this work was to determine the best preservation solutions for allografts for liver transplantation by quantitative network meta-analysis. METHODS Global electronic databases including PubMed, EMBASE, and Cochrane Library were searched for relevant randomized controlled trials. Seven pieces of parametric data were extracted from included studies for pooled estimation. A consistency model was used for direct and indirect comparisons. The cumulative probability P value was utilized to rank the solutions. A node-splitting model was utilized for testing the consistency of final data. Quality of evidence was assessed using the GRADE (Grades of Recommendations Assessment, Development and Evaluation) system. RESULTS Eleven 2-arm trials including 1319 patients and 5 different solutions were finally included. HTK (Histidine-tryptophan-ketoglutarate) solution exhibited the best efficacy for decreasing the primary dysfunction rate, biliary complications and ICU-stay time (probability P = 0.43, 0.45 and 0.58, respectively). Celsior solution significantly decreased the rate of rejection and early retransplantation (probability P = 0.73 and 0.38, respectively), and enhanced patient and graft survival (probability P = 0.90 and 0.98, respectively) more than did other solutions. Overall, the quality of evidence was rated high or moderate. CONCLUSIONS We suggested that HTK solution may offer the best safety during the perioperative period. However, Celsior solution led to better graft tolerance and exhibited greater benefit for long-term outcomes. And our conclusions still need to be further validated.
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Affiliation(s)
- Fengying Rao
- School of Nursing, Huanggang Polytechnic College, Huanggang, 438002, PR China
| | - Jian Yang
- School of Nursing, Huanggang Polytechnic College, Huanggang, 438002, PR China
| | - Cheng Gong
- Department of General Surgery, Zhongnan Hospital of Wuhan University, Wuhan, 430071, PR China
| | - Rong Huang
- School of Nursing, Huanggang Polytechnic College, Huanggang, 438002, PR China
| | - Qi Wang
- The 1st Department of Gastrointestinal Surgery, Renmin Hospital of Wuhan University, Wuhan, 430060, Hubei Province, PR China.
| | - Jun Shen
- Emergency Center, Zhongnan Hospital of Wuhan University, 430071, Hubei Province, PR China.
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Kazemi K, Nikeghbalian Z, Yaghmaei S, Nikeghbalian S, Shamsaeifar A, Asgharnia Y, Dehghankhalili M, Golchini A, Malekhosseini SA. University of Wisconsin vs normal saline solutions for preservation of blood vessels of brain dead donors: A histopathological study. Clin Transplant 2018; 32:e13241. [PMID: 29573462 DOI: 10.1111/ctr.13241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/09/2018] [Indexed: 11/29/2022]
Abstract
OBJECTIVE To compare the cellular changes of harvested arteries which were preserved in normal saline (NS) and the standard and routinely used University of Wisconsin (UW) solution. METHODS This experimental study was conducted on 20 brain dead patients. The femoral and iliac arteries were bilaterally removed and were placed in NS and UW solutions. The vascular change indices including endothelial detachment (ED), medial detachment (MD), and internal elastic membrane disruption (IEMD) were surveyed for each preserver in the first, 5th, 10th, and 21st day. RESULTS The mean age of the included patients was 32.28 ± 8.88 years, and there were 13 (65.0%) men and 7 (35.0%) women among the patients. The NS and UW preservation solutions were comparable regarding the indices of vascular changes at first, 5th, and 10th day of the study. Only in 21st day of the study, there was a significant difference between 2 group regarding MD changes (P = .049). CONCLUSION The results of this in vitro study demonstrated that NS can be used as a worthy preserver for harvested vessels for up to 21 days, especially in resource-limited transplantation centers.
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Affiliation(s)
- Kourosh Kazemi
- Shiraz Transplant Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Zahra Nikeghbalian
- Shiraz Transplant Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Shekoofeh Yaghmaei
- Student Research Committee, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Saman Nikeghbalian
- Shiraz Transplant Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Alireza Shamsaeifar
- Shiraz Transplant Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Yasaman Asgharnia
- Student Research Committee, Guilan University of Medical Sciences, Rasht, Iran
| | - Maryam Dehghankhalili
- Resident of General Surgery, Department of General Surgery, Student Research Committee, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Alireza Golchini
- Student Research Committee, Shiraz University of Medical Sciences, Shiraz, Iran
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10
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Hameed AM, Laurence JM, Lam VWT, Pleass HC, Hawthorne WJ. A systematic review and meta-analysis of cold in situ perfusion and preservation of the hepatic allograft: Working toward a unified approach. Liver Transpl 2017; 23:1615-1627. [PMID: 28734125 PMCID: PMC5725662 DOI: 10.1002/lt.24829] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/15/2017] [Revised: 05/03/2017] [Accepted: 07/16/2017] [Indexed: 01/01/2023]
Abstract
The efficacy of cold in situ perfusion and static storage of the liver is a possible determinant of transplantation outcomes. The aim of this study was to determine whether there is evidence to substantiate a preference for a particular perfusion route (aortic or dual) or perfusion/preservation solution in donation after brain death (DBD) liver transplantation. The Embase, MEDLINE, and Cochrane databases were used (1980-2017). Random effects modeling was used to estimate effects on transplantation outcomes based on (1) aortic or dual in situ perfusion and (2) the use of University of Wisconsin (UW), histidine tryptophan ketoglutarate (HTK), Celsior, and/or Institut Georges Lopez-1 (IGL-1) solutions for perfusion/preservation. A total of 22 articles were included (2294 liver transplants). The quality of evidence ranged from very low to moderate Grading of Recommendations, Assessment, Development and Evaluations score. Meta-analyses were conducted for 14 eligible studies. Although there was no difference in the primary nonfunction (PNF) rate, a higher peak alanine aminotransferase (ALT) was recorded in dual compared with aortic-only UW-perfused livers (standardized mean difference, 0.24; 95% confidence interval, 0.01-0.47); a back-table portal venous flush was undertaken in the majority of aortic-only perfused livers. There were no relevant differences in peak enzymes, PNF, thrombotic graft loss, biliary complications, or 1-year graft survival in comparisons between dual-perfused livers using UW, HTK, Celsior, or IGL-1. In conclusion, there is no significant evidence that aortic-only perfusion of the DBD liver compromises transplantation outcomes, and it may be favored because of its simplicity. However, there is currently insufficient evidence to advocate for the use of any particular perfusion/preservation fluid over the others. Liver Transplantation 23 1615-1627 2017 AASLD.
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Affiliation(s)
- Ahmer M. Hameed
- Centre for Transplant and Renal Research, Westmead Institute for Medical ResearchWestmeadNew South WalesAustralia,Department of SurgeryWestmead HospitalWestmeadNew South WalesAustralia,Sydney Medical SchoolUniversity of SydneySydneyNew South WalesAustralia
| | - Jerome M. Laurence
- Sydney Medical SchoolUniversity of SydneySydneyNew South WalesAustralia,Department of Surgery,Institute of Academic Surgery, Royal Prince Alfred HospitalUniversity of SydneyCamperdownNew South WalesAustralia
| | - Vincent W. T. Lam
- Department of SurgeryWestmead HospitalWestmeadNew South WalesAustralia,Sydney Medical SchoolUniversity of SydneySydneyNew South WalesAustralia
| | - Henry C. Pleass
- Department of SurgeryWestmead HospitalWestmeadNew South WalesAustralia,Sydney Medical SchoolUniversity of SydneySydneyNew South WalesAustralia,Department of Surgery
| | - Wayne J. Hawthorne
- Centre for Transplant and Renal Research, Westmead Institute for Medical ResearchWestmeadNew South WalesAustralia,Department of SurgeryWestmead HospitalWestmeadNew South WalesAustralia,Sydney Medical SchoolUniversity of SydneySydneyNew South WalesAustralia
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11
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Cannistrà M, Ruggiero M, Zullo A, Gallelli G, Serafini S, Maria M, Naso A, Grande R, Serra R, Nardo B. Hepatic ischemia reperfusion injury: A systematic review of literature and the role of current drugs and biomarkers. Int J Surg 2016; 33 Suppl 1:S57-70. [PMID: 27255130 DOI: 10.1016/j.ijsu.2016.05.050] [Citation(s) in RCA: 211] [Impact Index Per Article: 26.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Hepatic ischemia reperfusion injury (IRI) is not only a pathophysiological process involving the liver, but also a complex systemic process affecting multiple tissues and organs. Hepatic IRI can seriously impair liver function, even producing irreversible damage, which causes a cascade of multiple organ dysfunction. Many factors, including anaerobic metabolism, mitochondrial damage, oxidative stress and secretion of ROS, intracellular Ca(2+) overload, cytokines and chemokines produced by KCs and neutrophils, and NO, are involved in the regulation of hepatic IRI processes. Matrix Metalloproteinases (MMPs) can be an important mediator of early leukocyte recruitment and target in acute and chronic liver injury associated to ischemia. MMPs and neutrophil gelatinase-associated lipocalin (NGAL) could be used as markers of I-R injury severity stages. This review explores the relationship between factors and inflammatory pathways that characterize hepatic IRI, MMPs and current pharmacological approaches to this disease.
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Affiliation(s)
- Marco Cannistrà
- Department of Surgery, Annunziata Hospital of Cosenza, Cosenza, Italy.
| | - Michele Ruggiero
- Department of Surgery, Annunziata Hospital of Cosenza, Cosenza, Italy.
| | - Alessandra Zullo
- Department of Medical and Surgical Sciences, University of Catanzaro, Italy.
| | - Giuseppe Gallelli
- Department of Emergency, Pugliese-Ciaccio Hospital, Catanzaro, Italy.
| | - Simone Serafini
- Department of Surgery, Annunziata Hospital of Cosenza, Cosenza, Italy.
| | - Mazzitelli Maria
- Department of Primary Care, Provincial Health Authority of Vibo Valentia, 89900 Vibo Valentia, Italy.
| | - Agostino Naso
- Department of Medical and Surgical Sciences, University of Catanzaro, Italy.
| | - Raffaele Grande
- Department of Medical and Surgical Sciences, University of Catanzaro, Italy.
| | - Raffaele Serra
- Department of Medical and Surgical Sciences, University of Catanzaro, Italy.
| | - Bruno Nardo
- Department of Surgery, Annunziata Hospital of Cosenza, Cosenza, Italy; Department of Medical and Surgical Sciences, S. Orsola-Malpighi Hospital, University of Bologna, Italy.
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Latchana N, Peck JR, Whitson BA, Henry ML, Elkhammas EA, Black SM. Preservation solutions used during abdominal transplantation: Current status and outcomes. World J Transplant 2015; 5:154-164. [PMID: 26722644 PMCID: PMC4689927 DOI: 10.5500/wjt.v5.i4.154] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/29/2015] [Revised: 09/01/2015] [Accepted: 11/11/2015] [Indexed: 02/05/2023] Open
Abstract
Organ preservation remains an important contributing factor to graft and patient outcomes. During donor organ procurement and transportation, cellular injury is mitigated through the use of preservation solutions in conjunction with hypothermia. Various preservation solutions and protocols exist with widespread variability among transplant centers. In this review of abdominal organ preservation solutions, evolution of transplantation and graft preservation are discussed followed by classification of preservation solutions according to the composition of electrolytes, impermeants, buffers, antioxidants, and energy precursors. Lastly, pertinent clinical studies in the setting of hepatic, renal, pancreas, and intestinal transplantation are reviewed for patient and graft survival as well as financial considerations. In liver transplants there may be some benefit with the use of histidine-tryptophan-ketoglutarate (HTK) over University of Wisconsin solution in terms of biliary complications and potential cost savings. Renal grafts may experience increased initial graft dysfunction with the use of Euro-Collins thereby dissuading its use in support of HTK which can lead to substantial cost savings. University of Wisconsin solution and Celsior are favored in pancreas transplants given the concern for pancreatitis and graft thrombosis associated with HTK. No difference was observed with preservation solutions with respect to graft and patient survival in liver, renal, and pancreas transplants. Studies involving intestinal transplants are sparse but University of Wisconsin solution infused intraluminally in combination with an intra-vascular washout is a reasonable option until further evidence can be generated. Available literature can be used to ameliorate extensive variation across centers while potentially minimizing graft dysfunction and improving associated costs.
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The effect of preservation solutions for storage of liver allografts on transplant outcomes: a systematic review and meta-analysis. Ann Surg 2014; 260:46-55. [PMID: 24374537 DOI: 10.1097/sla.0000000000000402] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
OBJECTIVE The objective of this review was to systematically evaluate the evidence comparing preservation fluids for liver allografts on transplant outcomes. BACKGROUND Adequate preservation of liver allografts for transplantation is essential for successful transplant outcomes. There are several preservation fluids available that have been specifically designed for the static cold storage of livers. These fluids differ in composition and cost. METHODS literature search was performed using MEDLINE, EMBASE, Cochrane Library, Transplant Library, and the International Clinical Trials Registry Platform. Only randomized controlled trials were included. Studies were assessed for methodological quality. Primary outcomes were the risk of early dysfunction, primary nonfunction, retransplantation, patient survival, and graft survival. Secondary outcomes were serum biochemical parameters in the first week and biliary complications. Summary effects were calculated as relative risk and relative log survival with 95% confidence intervals (95% CIs). RESULTS Sixteen randomized controlled trials met the full inclusion criteria (1619 livers). There is good evidence that the University of Wisconsin and Celsior solutions are associated with the same rates of early dysfunction (relative risk = 1.08, 95% CI = 0.63-1.86, P = 0.77), primary nonfunction (relative risk = 0.73, 95% CI = 0.22-2.40, P = 0.60), patient survival (relative log survival = 0.86, 95% CI = 0.58-1.28, P = 0.46), and graft survival (relative log survival = 0.85, 95% CI = 0.59-1.23, P = 0.39). There was no good evidence of any difference in outcomes when comparing histidine-tryptophan-ketoglutarate with either of the University of Wisconsin or Celsior solution, although data were limited. CONCLUSIONS Data from included studies suggest that preservation of deceased donor livers with the University of Wisconsin or Celsior solution results in equivalent outcomes.
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Impact of brain death on ischemia/reperfusion injury in liver transplantation. Curr Opin Organ Transplant 2014; 19:108-14. [PMID: 24565958 DOI: 10.1097/mot.0000000000000061] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
PURPOSE OF REVIEW In liver transplantation, the ischemia/reperfusion injury (IRI) is influenced by factors related to graft quality, organ procurement and the transplant procedure itself. However, in brain-dead donors, the process of death itself also thoroughly affects organ damage through breakdown of the autonomous nervous system and subsequent massive cytokine release. This review highlights the actual knowledge on these proinflammatory effects of brain death on IRI in liver transplantation. RECENT FINDINGS Brain death affects IRI either through hemodynamical or molecular effects with proinflammatory activation. Immunological effects are mainly mediated through Kupffer cell activation, leading to TNF-α and TLR4 amplification. Proinflammatory cytokines such as interleukin (IL)-6, IL-10, TNF-β and MIP-1α are released, together with activation of the innate immune system via natural killer cells and natural killer T cells, which promote organ damage and activation of fibrosis. Preprocurement treatment regimens attempt to hamper inflammatory response by the application of methylprednisolone or thymoglobulin to the donor. Selective P-selectin antagonism resulted in improved function in marginal liver grafts. Inhaled nitric oxide was found to reduce apoptosis in liver grafts. Other medications like the immunosuppressant tacrolimus produced conflicting results regarding organ protection. Furthermore, improved organ storage after procurement - such as machine perfusion - can diminish effects of IRI in a clinical setting. SUMMARY Brain death plays a fundamental role in the regulation of molecular markers triggering inflammation and IRI-related tissue damage in liver transplants. Although several treatment options have reached clinical application, to date, the effects of brain death during donor conditioning and organ procurement remain relevant for organ function and survival.
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Preservation solutions for static cold storage of abdominal allografts: which is best? Curr Opin Organ Transplant 2014; 19:100-7. [PMID: 24553501 DOI: 10.1097/mot.0000000000000063] [Citation(s) in RCA: 58] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
PURPOSE OF REVIEW To update the reader on the recent literature in liver, kidney, pancreas, and intestine static cold preservation, and to identify which solutions are most advantageous for each organ. RECENT FINDINGS The comparison of randomized trials of histidine-tryptophan-ketoglutarate (HTK), Celsior, and University of Wisconsin solutions has shown equivalent risk of delayed graft function after kidney transplantation. Similar outcomes have been observed after pancreas preservation with University of Wisconsin, HTK, and Celsior solution. In live-donor liver transplantation, University of Wisconsin and HTK solution have shown equivalent results, whereas in the recent trials of deceased-donor liver transplantation, University of Wisconsin, HTK, and Celsior solutions have shown equivalence. Contrary to the most clinical trials, national registry data in kidney, pancreas, and liver transplantation demonstrate more detrimental effects and earlier graft loss after preservation with HTK versus University of Wisconsin solution. Early outcomes after intestinal transplantation with University of Wisconsin or HTK solution have shown no significant difference and animal studies indicate intraluminal preservation may be beneficial. SUMMARY The University of Wisconsin solution is the standard criterion static cold preservation for the procurement of liver, kidney, pancreas, and intestine. University of Wisconsin, HTK, and Celsior solutions all provide similar allograft outcomes in most clinical trials, but subtle differences have become more apparent in the recent studies and registry reports.
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Keutgen XM, Petrowsky H. Procurement for visceral organ transplantation. Curr Opin Organ Transplant 2014; 19:92-9. [DOI: 10.1097/mot.0000000000000066] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Voigt MR, DeLario GT. Perspectives on abdominal organ preservation solutions: a comparative literature review. Prog Transplant 2014; 23:383-91. [PMID: 24311404 DOI: 10.7182/pit2013100] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Various preservation solutions are used for kidney, liver, pancreas, small intestine, and multiorgan recoveries and transplants. The effectiveness of these solutions, primarily measured by ability to preserve the organ and graft survival, was analyzed. The 2 most common solutions used for intra-abdominal organs are University of Wisconsin Solution (UW)/Viaspan and Histidine-tryptophan-ketoglutarate (HTK)/Custodiol solution. Outcomes for liver, pancreas, and kidney allografts preserved with these 2 solutions are similar. Although HTK solution shows conflicting results with respect to pancreatic cellular edema, researchers in several studies have noted that HTK solution may be more protective than UW solution against biliary complications in liver transplant. In kidney recoveries, HTK solution may be associated with higher graft loss and increased delayed graft function in marginal deceased donors but had lower incidence of delayed graft function in living donors when compared with UW. UW remains the reference standard for use during multiorgan recoveries but is experiencing strong competition from HTK and other alternative solutions. Some researchers suggest that Celsior's comparable results in abdominal organs and viability for thoracic organs makes it a strong competitor, especially in multiorgan recoveries. Each solution has benefits accompanied by disadvantages. Although it may not be feasible, when considering single-organ recoveries, consideration of alternative solutions may be warranted.
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Routh D, Naidu S, Sharma S, Ranjan P, Godara R. Changing pattern of donor selection criteria in deceased donor liver transplant: a review of literature. J Clin Exp Hepatol 2013; 3:337-46. [PMID: 25755521 PMCID: PMC3940395 DOI: 10.1016/j.jceh.2013.11.007] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/18/2013] [Accepted: 11/18/2013] [Indexed: 02/06/2023] Open
Abstract
During the last couple of decades, with standardization and progress in surgical techniques, immunosuppression and post liver transplantation patient care, the outcome of liver transplantation has been optimized. However, the principal limitation of transplantation remains access to an allograft. The number of patients who could derive benefit from liver transplantation markedly exceeds the number of available deceased donors. The large gap between the growing list of patients waiting for liver transplantation and the scarcity of donor organs has fueled efforts to maximize existing donor pool and identify new avenues. This article reviews the changing pattern of donor for liver transplantation using grafts from extended criteria donors (elderly donors, steatotic donors, donors with malignancies, donors with viral hepatitis), donation after cardiac death, use of partial grafts (split liver grafts) and other suboptimal donors (hypernatremia, infections, hypotension and inotropic support).
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Key Words
- CIT, cold ischemia time
- DCD, donation after cardiac death
- DGF, delayed graft function
- ECD, extended criteria donor
- ECMO, extra corporeal membrane oxygenation
- HBIg, hepatitis B immune globulin
- HBV, hepatitis B virus
- HCV, hepatitis C virus
- HIV, human immunodeficiency virus
- HTLV, human T-lymphotropic virus
- LDLT, living donor liver transplantation
- LT, liver transplantation
- MELD, Model for End-Stage Liver Disease
- NRP, normothermic regional perfusion
- PNF, primary nonfunction
- SLT, split liver transplantation
- SOFT, survival outcomes following liver transplantation
- SRTR, Scientific Registry of Transplant Recipients
- donor pool
- extended criteria donor
- liver transplantation
- mTOR, mammalian target of rapamycin inhibitors
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Affiliation(s)
- Dronacharya Routh
- Department of GI Surgery and Liver Transplantation, Army Hospital (R&R), New Delhi 110010, India
| | - Sudeep Naidu
- Department of GI Surgery and Liver Transplantation, Army Hospital (R&R), New Delhi 110010, India,Address for correspondence: Sudeep Naidu, Professor and Head, Department of GI Surgery and Liver Transplantation, Army Hospital (R&R), New Delhi 110010, India. Tel.: +91 (0) 9999454052.
| | - Sanjay Sharma
- Department of GI Surgery and Liver Transplantation, Army Hospital (R&R), New Delhi 110010, India
| | - Priya Ranjan
- Department of GI Surgery and Liver Transplantation, Army Hospital (R&R), New Delhi 110010, India
| | - Rajesh Godara
- Department of Surgery, Post Graduate Institute of Medical Sciences, Rhotak, Haryana, India
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Yamaki VN, Teixeira RKC, Brito MVH. Use of hypertonic solutions for liver preservation in rats. ABCD-ARQUIVOS BRASILEIROS DE CIRURGIA DIGESTIVA 2013; 26:44-8. [PMID: 23702870 DOI: 10.1590/s0102-67202013000100010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2012] [Accepted: 12/06/2012] [Indexed: 11/22/2022]
Abstract
BACKGROUND The success of a transplant depends mainly on the viability of the graft, which is currently the main point of difficulty focuses on the triad preservation-rejection-infection. There are several specific components of preservation solutions that could prevent certain tissue damage. From these components, the osmotic factor has been highlighted as a factor in preventing edema and subsequent cell death, suggesting a possible advantage in the use of hypertonic solutions for organ preservation. AIM To compare different hypertonic solutions as alternative to liver preservation. METHOD A total of 105 Wistar rats were divided in Standard Group (GP, n=5 rats), to verify the normal range of the study, and five experimental groups of 20 rats each, according to the preservation solution used: Group Eurocollins (GE), Group Saline 0.9% (GF), Group Glucose 50% (GG), Group Mannitol 20% (GM), Group Salty - NaCl 7.5% (GS). All animals in experimental group were also divided into four subgroups according to the time of collection in: 0 h, 2 h, 6 h and 12 h. Was assessed cell viability by the reaction with Methyl Blue Thiazolyl (MTT) and the dosages of lactate and alanine aminotransferase (ALT). RESULTS Regarding the lactate level, was observed a relative improvement of hypertonic solutions compared to eurocollins, and in 12 h, the GE and GS showed no statistically significant difference (p> 0.05). When assessed cell viability, absorbance at MTT also demonstrated favorable results to the GS, since no statistically significant difference in relation to GE. CONCLUSION The 7.5% NaCl solution showed promising results for organ preservation, presenting parameters and capability comparable to eurocollins preservation solution.
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Affiliation(s)
- Vitor Nagai Yamaki
- Experimental Surgery Laboratory of the Medical School, State University of Pará - UEPA, Belém, PA, Brazil.
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Preservation solutions for liver transplantation in adults: celsior versus custodiol: a systematic review and meta-analysis with an indirect comparison of randomized trials. Transplant Proc 2012; 45:25-32. [PMID: 23267794 DOI: 10.1016/j.transproceed.2012.02.031] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2011] [Accepted: 02/28/2012] [Indexed: 12/11/2022]
Abstract
BACKGROUND The University of Wisconsin (UW) solution has been recognized as the gold standard for liver preservation; however, it possesses some limitations, and other solutions exist for organ preservation. The aim of this study was to compare the liver functions of transplanted grafts that had been stored in Celsior and Custodiol solutions. METHODS We searched the MEDLINE, EMBASE, LILACS, Cochrane Central Register of Controlled Trials, and SCIELO databases. We included randomized and quasi-randomized, controlled trials that compared the efficacy and safety of Celsior and Custodiol with UW solution for liver preservation in adults. The factors that were considered for analysis were their impacts on primary dysfunction (primary nonfunction and initial poor function), ischemic-type biliary lesions, and patient and graft survival rates. Because of the lack of direct evidence, an indirect comparison of Celsior and Custodiol was calculated. RESULTS We identified 3 randomized controlled trials and 1 quasi-randomized, controlled trial to pool in a meta-analysis of Celsior versus UW solutions. The number of episodes of primary dysfunction was lower in the Celsior group (7.4%) than in the UW group (9.8%), but the difference was not significant (relative risk [RR], 0.68; 95% confidence interval [CI], 0.22-1.97). Two randomized controlled trials compared Custodiol and Wisconsin solutions were identified. The number of episodes of primary dysfunction was also lower in the Custodiol group (3.0%) compared with the Wisconsin group (8.4%), but the difference was not significant (RR, 0.36; 95% CI, 0.08-1.70). An indirect comparison using data from the main analysis revealed no difference between the Celsior and Custodiol solutions (RR, 1.88; 95% CI, 0.57-6.16). CONCLUSION The Celsior and Custodiol solutions performed similarly to UW solution as preservation solutions in liver transplantation clinical settings.
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Review of Randomized Clinical Trials of Donor Management and Organ Preservation in Deceased Donors. Transplantation 2012; 94:425-41. [DOI: 10.1097/tp.0b013e3182547537] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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Kanamoto M, Shimada M, Utsunomiya T, Imura S, Morine Y, Ikemoto T, Mori H, Hanaoka J. Impact of a new refrigerator on the preservation of hepatic grafts. Hepatol Res 2012; 42:798-805. [PMID: 22469252 DOI: 10.1111/j.1872-034x.2012.00987.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
AIM Current medical transplantation methods focus on solutions for major problems such as the shortage of donors. To overcome these issues, expanding organ preservation time has become a major concern. A new refrigerating chamber has been recently developed, which can cool the inside of a material to the required temperature by frequently sensing the temperature of both inside and surface of the materials. The purpose of this study is to evaluate the usefulness of a new refrigerating system in hepatic preservation. METHODS The liver grafts were harvested from rats and divided into two groups. Group A consisted of grafts preserved in chilled University of Wisconsin solution (UW) solution (on ice) for 24, 72 and 168 h. Group B consisted of grafts preserved in the UW solution in a new refrigerator at 4°C. RESULTS In group B, aspartate aminotransferase released into effluent after cold storage for 72 h showed a marked decrease compared to group A (P < 0.05). The levels of ammonia and lactate decreased significantly in group B (P < 0.05). In group B, the levels of adenosine triphosphate were significantly preserved after cold storage for 24 h and 72 h compared to group A (P < 0.05). Immunohistochemistry showed positive cells for heme oxygenase-1 were significantly increased in group B after cold storage. CONCLUSION This new refrigerator can improve preservation injury of hepatic grafts and may provide an innovative technique for liver transplantation.
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Affiliation(s)
- Mami Kanamoto
- Department of Surgery, Institute of Health Biosciences, The University of Tokushima Graduate School, Tokushima, Japan
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Comparative impact on islet isolation and transplant outcome of the preservation solutions Institut Georges Lopez-1, University of Wisconsin, and Celsior. Transplantation 2012; 93:703-8. [PMID: 22343333 DOI: 10.1097/tp.0b013e3182476cc8] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
BACKGROUND Institut Georges Lopez-1 (IGL-1) is a preservation solution similar to University of Wisconsin (UW) with reversed Na/K contents. In this study, we assessed the impact of IGL-1, UW, and Celsior (CS) solutions on islet isolation and transplant outcome. METHODS We retrospectively analyzed 376 islet isolations from pancreases flushed and transported with IGL-1 (n=95), UW (n=204), or CS (n=77). We determined isolation outcome and β-cell function in vitro. Transplanted patients were divided into three groups depending on preservation solution of pancreas, and islet graft function was assessed by decrease in daily insulin needs, C-peptide/glucose ratios, β-scores, and transplant estimated function at 1- and 6-month follow-up. RESULTS IGL-1, UW, and CS groups were similar according to donor age, body mass index, and pancreas weight. There was no difference in islet yields between the three groups. Success rates, transplant rates, β-cell secretory function, and viability were similar for all three groups. We observed no difference in decreased insulin needs, C-peptide glucose ratios, β-scores, and transplant estimated function at 1- and 6-month follow-up between IGL-1, UW, and CS groups. CONCLUSIONS Our study shows that IGL-1 is equivalent to UW or CS solutions for pancreas perfusion and cold storage before islet isolation and transplantation.
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Squifflet JP, LeDinh H, de Roover A, Meurisse M. Pancreas Preservation for Pancreas and Islet Transplantation: A Minireview. Transplant Proc 2011; 43:3398-401. [DOI: 10.1016/j.transproceed.2011.09.052] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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García-Gil FA, Serrano MT, Fuentes-Broto L, Arenas J, García JJ, Güemes A, Bernal V, Campillo A, Sostres C, Araiz JJ, Royo P, Simón MA. Celsior versus University of Wisconsin preserving solutions for liver transplantation: postreperfusion syndrome and outcome of a 5-year prospective randomized controlled study. World J Surg 2011; 35:1598-607. [PMID: 21487851 DOI: 10.1007/s00268-011-1078-7] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
BACKGROUND Celsior solution (CS) is a high-sodium, low-potassium, low-viscosity extracellular solution that has been used for liver graft preservation in recent years, although experience with it is still limited. We performed an open-label randomized active-controlled trial comparing CS with the University of Wisconsin solution (UW) for liver transplantation (LT), with a follow-up period of 5 years. METHODS Adult transplant recipients (n=102) were prospectively randomized to receive either CS (n=51) or UW (n=51). The two groups were comparable with respect to donor and recipient characteristics. The primary outcome measure was the incidence of postreperfusion syndrome (PRS). Secondary outcome measures included primary nonfunction (PNF) or primary dysfunction (PDF), liver retransplantation, and graft and patient survival. Other secondary outcome measures were days in the intensive care unit (ICU) and the rates of acute rejection, chronic rejection, infectious complications, postoperative reoperations, and vascular and biliary complications. RESULTS In all, 14 posttransplant variables revealed no significant differences between the groups. There were no cases of PNF or PDF. The incidence of PRS was 5.9% in the CS group and 21.6% in the UW group (P=0.041). After reperfusion, CS revealed greater control of serum potassium (P=0.015), magnesium levels (P=0.005), and plasma glucose (P=0.042) than UW. Respective patient survivals at 3, 12, and 60 months were 95.7, 87.2, and 82.0% for the CS group and 95.7, 83.3, and 66.6% for the UW group (P=0.123). CONCLUSIONS While retaining the same degree of safety and effectiveness as UW for LT, CS may yield postliver graft reperfusion benefits, as shown in this study by a significant reduction in the incidence of PRS and greater metabolic control.
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Affiliation(s)
- Francisco A García-Gil
- Department of Surgery, University of Zaragoza, Domingo Miral s/n, 50009, Zaragoza, Spain.
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Pancreas procurement and preservation for islet transplantation: personal considerations. J Transplant 2011; 2011:783168. [PMID: 21918716 PMCID: PMC3171759 DOI: 10.1155/2011/783168] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2011] [Revised: 06/29/2011] [Accepted: 07/13/2011] [Indexed: 12/14/2022] Open
Abstract
Pancreatic islet transplantation is a promising option for the treatment of type 1 diabetic patients. After the successful demonstration of the Edmonton protocol, islet transplantation has advanced significantly on several fronts, including improved pancreas procurement and preservation systems. Since we frequently use pancreata from donors after cardiac death in Japan,we have applied the in situ regional organ cooling system for pancreas procurement to reduce the warm ischemic time. To reduce the apoptosis of pancreatic tissue during cold preservation, we have applied the ductal injection of preservation solution. For pancreas preservation, we use modified Kyoto solution, which is advantageous at trypsin inhibition and less collagenase inhibition. In this paper, we show pancreas procurement and preservation in our group for islet transplantation.
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Boudjema K, Grandadam S, Compagnon P, Salamé E, Wolf P, Ducerf C, Le Treut P, Soubrane O, Cherqui D, Mouchel C, Renault A, Bellissant E. Efficacy and safety of Celsior preservation fluid in liver transplantation: one-year follow up of a prospective, multicenter, non-randomized study. Clin Transplant 2011; 26:199-207. [PMID: 21517997 DOI: 10.1111/j.1399-0012.2011.01447.x] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
The purpose of this prospective, nine-center, non-randomized study was to assess the efficacy and safety of Celsior preservation fluid in liver transplantation using unselected donors. As data comparing allograft outcomes following liver transplantation using Celsior and University of Wisconsin (UW) preservation fluids are limited, we also compared our cohort with matched controls selected from the European Liver Transplant Registry (ELTR) who received total liver grafts preserved with UW solution during the same period. One hundred and forty patients who received livers preserved with Celsior were included. The primary endpoint, graft loss at one-yr post-transplantation, was observed in 24 patients (17.1%) which was not significantly different from the 20.0% pre-defined threshold rate (95% confidence interval [CI] 10.9, 23.4; p=0.398). Predictive factors for graft loss on univariate analysis were moderate-to-severe steatosis on the donor graft (5/22 patients with graft loss vs. 8/107 patients without, p=0.046) and duration of warm ischemia (1.4±1.1 h in patients with graft loss vs. 0.9±0.5 h in patients without, p=0.034). Hepatic artery thrombosis and stenosis occurred in seven (5.0%) and six (4.3%) patients, respectively. The comparison of our patients to 420 ELTR controls showed that one-yr graft survival rates (Celsior: 82.9%, 95% CI 75.8, 88.2; UW: 78.6%, 95% CI 74.4, 82.2) and Kaplan-Meier one-yr graft survival distributions (p=0.285) were similar. Within the cold ischemia time achieved in our study, liver preservation with Celsior appeared efficient and safe. Comparison with ELTR patients suggested that liver allograft survival was similar using Celsior or UW solution for preservation of unselected donor grafts.
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Affiliation(s)
- Karim Boudjema
- Service de Chirurgie Hépatobiliaire et Digestive, Hôpital de Pontchaillou, Centre Hospitalier Universitaire de Rennes & Université de Rennes 1, Rennes, France.
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Guibert EE, Petrenko AY, Balaban CL, Somov AY, Rodriguez JV, Fuller BJ. Organ Preservation: Current Concepts and New Strategies for the Next Decade. Transfus Med Hemother 2011; 38:125-142. [PMID: 21566713 PMCID: PMC3088735 DOI: 10.1159/000327033] [Citation(s) in RCA: 186] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2011] [Accepted: 01/26/2011] [Indexed: 12/12/2022] Open
Abstract
SUMMARY: Organ transplantation has developed over the past 50 years to reach the sophisticated and integrated clinical service of today through several advances in science. One of the most important of these has been the ability to apply organ preservation protocols to deliver donor organs of high quality, via a network of organ exchange to match the most suitable recipient patient to the best available organ, capable of rapid resumption of life-sustaining function in the recipient patient. This has only been possible by amassing a good understanding of the potential effects of hypoxic injury on donated organs, and how to prevent these by applying organ preservation. This review sets out the history of organ preservation, how applications of hypothermia have become central to the process, and what the current status is for the range of solid organs commonly transplanted. The science of organ preservation is constantly being updated with new knowledge and ideas, and the review also discusses what innovations are coming close to clinical reality to meet the growing demands for high quality organs in transplantation over the next few years.
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Affiliation(s)
- Edgardo E. Guibert
- Centro Binacional (Argentina-Italia) de Investigaciones en Criobiología Clínica y Aplicada (CAIC), Universidad Nacional de Rosario, Argentina
| | - Alexander Y. Petrenko
- Department of Cryobiochemistry, Institute for Problems of Cryobiology and Cryomedicine, Ukraine Academy of Sciences, Kharkov, Ukraine
| | - Cecilia L. Balaban
- Centro Binacional (Argentina-Italia) de Investigaciones en Criobiología Clínica y Aplicada (CAIC), Universidad Nacional de Rosario, Argentina
| | - Alexander Y. Somov
- Department of Cryobiochemistry, Institute for Problems of Cryobiology and Cryomedicine, Ukraine Academy of Sciences, Kharkov, Ukraine
| | - Joaquín V. Rodriguez
- Centro Binacional (Argentina-Italia) de Investigaciones en Criobiología Clínica y Aplicada (CAIC), Universidad Nacional de Rosario, Argentina
| | - Barry J. Fuller
- Cell, Tissue and Organ Preservation Unit, Department of Surgery & Liver Transplant Unit, UCL Medical School, Royal Free Hospital Campus, London, UK
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Abstract
During liver resection surgery for cancer or liver transplantation, the liver is subject to ischaemia (reduction in blood flow) followed by reperfusion (restoration of blood flow), which results in liver injury [ischemia-reperfusion (IR) or IR injury]. Modulation of IR injury can be achieved in various ways. These include hypothermia, ischaemic preconditioning (IPC) (brief cycles of ischaemia followed by reperfusion of the organ before the prolonged period of ischaemia i.e. a conditioning response), ischaemic postconditioning (conditioning after the prolonged period of ischaemia but before the reperfusion), pharmacological agents to decrease IR injury, genetic modulation of IR injury, and machine perfusion (pulsatile perfusion). Hypothermia decreases the metabolic functions and the oxygen consumption of organs. Static cold storage in University of Wisconsin solution reduces IR injury and has prolonged organ storage and improved the function of transplanted grafts. There is currently no evidence for any clinical advantage in the use of alternate solutions for static cold storage. Although experimental data from animal models suggest that IPC, ischaemic postconditioning, various pharmacological agents, gene therapy, and machine perfusion decrease IR injury, none of these interventions can be recommended in clinical practice. This is because of the lack of randomized controlled trials assessing the safety and efficacy of ischaemic postconditioning, gene therapy, and machine perfusion. Randomized controlled trials and systematic reviews of randomized controlled trials assessing the safety and efficacy of IPC and various pharmacological agents have demonstrated biochemical or histological improvements but this has not translated to clinical benefit. Further well designed randomized controlled trials are necessary to assess the various new protective strategies in liver resection.
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Li YT, Li QY, Zhang QH, Sha H, Du DY, Ma JX, Liu Y, Wang F, Huang H, Gao Y. Comparison of biological features of L-02 hepatocytes undergoing subzero nonfreezing storage in UW solution, Celsior solution or HTK solution for use in bioartificial liver system. Shijie Huaren Xiaohua Zazhi 2010; 18:3679-3684. [DOI: 10.11569/wcjd.v18.i34.3679] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
AIM: To compare the biological features of L-02 hepatocytes undergoing subzero nonfreezing storage in University of Wisconsin (UW) solution, Celsior solution, and histidine-tryptophan-ketoglutarate (HTK) solution for use in bioartificial liver system.
METHODS: L-02 hepatocytes were divided into three groups: UW group, CS group, and HTK group. After 72 h of hypothermic storage, cell viability and death, alanine aminotransferase (ALT) and lactate dehydrogenase (LDH) release, and the ability of hepatocytes to synthesize urea and secrete albumin were measured.
RESULTS: After 72 h of hypothermic storage, cells of the UW group had higher cell viability rate (71.10% ± 4.09% vs 65.22% ± 4.45%, 50.48% ± 5.13%, both P < 0.05), lower cell death rate (29.90% ± 4.09% vs 34.78% ± 4.45%, 49.52% ± 5.13%, both P < 0.05), less release of ALT (6.18 U/L ± 1.36 U/L vs 8.15 U/L ± 1.14 U/L, 9.75 U/L ± 2.45 U/L, both P < 0.05) and LDH (93.82 U/L ± 5.68U/L vs 115.67 U/L ± 8.77 U/L, 164.92 U/L ± 15.95 U/L, both P < 0.05), and better ability to synthesize urea (1.08 mmol/L ± 0.22 mmol/L vs 0.92 mmol/L ± 0.17 mmol/L, 0.68 mmol/L ± 0.08 mmol/L, both P < 0.05) and secrete albumin (9.33 mg/L ± 1.36 mg/L vs 7.54 mg/L ± 1.22 mg/L, 7.18 mg/L ± 0.93 mg/L, both P < 0.05) than those of the CS and HTK groups.
CONCLUSION: L-02 hepatocytes undergoing subzero nonfreezing storage in UW solution could provide higher cell viability rate, lower ALT and LDH release, and better ability to synthesize urea and secrete albumin than those stored in CS or HTK solution.
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Liver transplantation using University of Wisconsin or Celsior preserving solutions in the portal vein and Euro-Collins in the aorta. Transplant Proc 2010; 42:429-34. [PMID: 20304157 DOI: 10.1016/j.transproceed.2010.01.035] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
INTRODUCTION Orthotopic liver transplantation (OLT) is today the gold standard treatment of the end-stage liver disease. Different solutions are used for graft preservation. Our objective was to compare the results of cadaveric donor OLT, preserved with the University of Wisconsin (UW) or Celsior solutions in the portal vein and Euro-Collins in the aorta. METHODS We evaluated retrospectively 72 OLT recipients, including 36 with UW solution (group UW) and 36 with Celsior (group CS). Donors were perfused in situ with 1000 mL UW or Celsior in the portal vein of and 3000 mL of Euro-Collins in the aortia and on the back table managed with 500 mL UW or Celsior in the portal vein, 250 mL in the hepatic artery, and 250 mL in the biliary duct. We evaluated the following variables: donor characteristics, recipient features, intraoperative details, reperfusion injury, and steatosis via a biopsy after reperfusion. We noted grafts with primary nonfunction (PNF), initial poor function (IPF), rejection episodes, biliary duct complications, hepatic artery complications, re-OLT, and recipient death in the first year after OLT. RESULTS The average age was 33.6 years in the UW group versus 41 years in the CS group (P = .048). There was a longer duration of surgery in the UW group (P = .001). The other recipient characteristics, ischemia-reperfusion injury, steatosis, PNF, IPF, rejection, re-OLT, and recipient survival were not different. Stenosis of the biliary duct occured in 3 (8.3%) cases in the UW group and 8 (22.2%) in the CS (P = .19) with hepatic artery thrombosis in 4 (11.1%) CS versus none in the UW group (P = .11). CONCLUSION Cadaveric donor OLT showed similar results with organs preserved with UW or Celsior in the portal vein and Euro-Collins in the aorta.
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Su H, Guo TK, Ma YT, Hao XY, Li Y, Jiang L, Liu YL. Celsior solution versus University of Wisconsin solution in liver preservation for transplantation. Hippokratia 2010. [DOI: 10.1002/14651858.cd008301] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- He Su
- The People's Hospital of Gansu Province; Dong Gang West Road No.160 Lanzhou City Gansu China 730000
| | - Tian Kang Guo
- The People's Hospital of Gansu Province; Dong Gang West Road No.160 Lanzhou City Gansu China 730000
| | - Yun Tao Ma
- The People's Hospital of Gansu Province; Dong Gang West Road No.160 Lanzhou City Gansu China 730000
| | - Xiang Yong Hao
- The People's Hospital of Gansu Province; Dong Gang West Road No.160 Lanzhou City Gansu China 730000
| | - Yuan Li
- The People's Hospital of Gansu Province; Dong Gang West Road No.160 Lanzhou City Gansu China 730000
| | - Lei Jiang
- Lanzhou University; Centre of Evidence Based Medicine; Don Gang West Rd No. 199 Lanzhou City Gansu China 730000
| | - Ya Li Liu
- Lanzhou University; Centre of Evidence Based Medicine; Don Gang West Rd No. 199 Lanzhou City Gansu China 730000
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Noguchi H, Naziruddin B, Onaca N, Jackson A, Shimoda M, Ikemoto T, Fujita Y, Kobayashi N, Levy MF, Matsumoto S. Comparison of modified Celsior solution and M-kyoto solution for pancreas preservation in human islet isolation. Cell Transplant 2010; 19:751-8. [PMID: 20955657 DOI: 10.3727/096368909x508852] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
Since the successful demonstration of the Edmonton protocol, islet transplantation has advanced significantly on several fronts, including improved pancreas preservation systems. In this study, we evaluated two different types of organ preservation solutions for human islet isolation. Modified Celsior (Celsior solution with hydroxyethyl starch and nafamostat mesilate; HNC) solution and modified Kyoto (MK) solution were compared for pancreas preservation prior to islet isolation. Islet yield after purification was significantly higher in the MK group than in the HNC group (MK = 6186 ± 985 IE/g; HNC = 3091 ± 344 IE/g). The HNC group had a longer phase I period (digestion time), a higher volume of undigested tissue, and a higher percentage of embedded islets, suggesting that the solution may inhibit collagenase. However, there was no significant difference in ATP content in the pancreata or in the attainability of posttransplant normoglycemia in diabetic nude mice between the two groups, suggesting that the quality of islets was similar among the two groups. In conclusion, MK solution is better for pancreas preservation before islet isolation than HNC solution due to the higher percentage of islets that can be isolated from the donor pancreas. MK solution should be the solution of choice among the commercially available solutions for pancreatic islet isolation leading to transplantation.
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Affiliation(s)
- Hirofumi Noguchi
- Baylor All Saints Medical Center, Baylor Research Institute, Fort Worth, TX, USA.
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Cobo JLE, Del Río Gallegos F. [Organ preservation]. Med Intensiva 2009; 33:282-92. [PMID: 19811970 DOI: 10.1016/s0210-5691(09)72196-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2008] [Accepted: 01/07/2009] [Indexed: 12/26/2022]
Abstract
Maintaining organ viability from extraction to transplantation is crucial to ensure the function and survival of the graft. In recent years, maintaining organ viability has become more challenging because the shortage of donors has led to broader criteria for donor acceptability and consequently to organs with greater compromise. Organ damage occurs primarily as a result of ischemia-reperfusion injury, which is associated to additional damage from the preservation process. To minimize this damage, different techniques of organ preservation are used with the aim of optimizing organ function once perfusion is restored. Static cold storage is the most commonly used method of preservation because it is extremely simple, nearly universally available, and easy to transport. However, static cold storage may be unable to prevent the deterioration of the quality of organs from donors included under the broader criteria. In this article, we describe current preservation techniques; we place special emphasis on continuous machine perfusion.
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36
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Lopez-Andujar R, Deusa S, Montalvá E, San Juan F, Moya A, Pareja E, DeJuan M, Berenguer M, Prieto M, Mir J. Comparative prospective study of two liver graft preservation solutions: University of Wisconsin and Celsior. Liver Transpl 2009; 15:1709-17. [PMID: 19938119 DOI: 10.1002/lt.21945] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
University of Wisconsin solution (UWS) is the gold standard for graft preservation. Celsior solution (CS) is a new solution not as yet widely used in liver grafts. The aim of this study was to compare the liver function of transplanted grafts stored in these 2 preservation solutions. The primary endpoints were the rates of primary nonfunction (PNF) and primary dysfunction (PDF). We performed a prospective and pseudorandomized study that included 196 patients (representing 104 and 92 livers preserved in UWS and CS, respectively) at La Fe University Hospital (Valencia, Spain) between March 2003 and May 2005. PNF and PDF rates, liver function laboratory parameters, postoperative bleeding, vascular and biliary complications, and patient and graft survival at 3 years were compared for the 2 groups. The 2 groups were similar in terms of donor variables, recipient variables, and surgical techniques. The PNF rates were 2.2% and 1.9% in the CS and UWS groups, respectively (P = not significant), and the PDF rates were 15.2% and 15.5% in the CS and UWS groups, respectively (P = not significant). There were no significant differences in the laboratory parameters for the 2 groups, except for alanine aminotransferase levels in month 3, which were lower in the CS group (P = 0.01). No significant differences were observed in terms of complications. Three-year patient and graft survival rates were as follows for years 1, 2, and 3: 83%, 80%, and 76% (patient) and 80%, 77%, and 73% (graft) for the UWS group and 83%, 77%, and 70% (patient) and 81%, 73%, and 67% (graft) for the CS group (P = not significant). In conclusion, this study shows that CS is as effective as UWS in liver preservation.
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Affiliation(s)
- Rafael Lopez-Andujar
- Hepatic Surgery and Liver Transplant Unit, La Fe University Hospital, Valencia, Spain.
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de Rougemont O, Lehmann K, Clavien PA. Preconditioning, organ preservation, and postconditioning to prevent ischemia-reperfusion injury to the liver. Liver Transpl 2009; 15:1172-82. [PMID: 19790166 DOI: 10.1002/lt.21876] [Citation(s) in RCA: 108] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Ischemia and reperfusion lead to injury of the liver. Ischemia-reperfusion injury is inevitable in liver transplantation and trauma and, to a great extent, in liver resection. This article gives an overview of the mechanisms involved in this type of injury and summarizes protective and treatment strategies in clinical use today. Intervention is possible at different time points: during harvesting, during the period of preservation, and during implantation. Liver preconditioning and postconditioning can be applied in the transplant setting and for liver resection. Graft optimization is merely possible in the period between the harvest and the implantation. Given that there are 3 stages in which a surgeon can intervene against ischemia-reperfusion injury, we have structured the review as follows. The first section reviews the approaches using surgical interventions, such as ischemic preconditioning, as well as pharmacological applications. In the second section, static organ preservation and machine perfusion are addressed. Finally, the possibility of treating the recipient or postconditioning is discussed.
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Affiliation(s)
- Olivier de Rougemont
- Swiss Hepato-Pancreatico-Biliary Center, Department of Surgery, University Hospital Zurich, Zurich, Switzerland
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Durand F, Renz JF, Alkofer B, Burra P, Clavien PA, Porte RJ, Freeman RB, Belghiti J. Report of the Paris consensus meeting on expanded criteria donors in liver transplantation. Liver Transpl 2008; 14:1694-707. [PMID: 19025925 DOI: 10.1002/lt.21668] [Citation(s) in RCA: 200] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Because of organ shortage and a constant imbalance between available organs and candidates for liver transplantation, expanded criteria donors are needed. Experience shows that there are wide variations in the definitions, selection criteria, and use of expanded criteria donors according to different geographic areas and different centers. Overall, selection criteria for donors have tended to be relaxed in recent years. Consensus recommendations are needed. This article reports the conclusions of a consensus meeting held in Paris in March 2007 with the contribution of experts from Europe, the United States, and Asia. Definitions of expanded criteria donors with respect to donor variables (including age, liver function tests, steatosis, infections, malignancies, and heart-beating versus non-heart-beating, among others) are proposed. It is emphasized that donor quality represents a continuum of risk rather than "good or bad." A distinction is made between donor factors that generate increased risk of graft failure and factors independent of graft function, such as transmissible infectious disease or donor-derived malignancy, that may preclude a good outcome. Updated data concerning the risks associated with different donor variables in different recipient populations are given. Recommendations on how to safely expand donor selection criteria are proposed.
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Affiliation(s)
- François Durand
- Hepatology and Liver Intensive Care, Hospital Beaujon, University Paris 7, Clichy, France
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39
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Abstract
PURPOSE OF REVIEW To summarize advances and limitations in pancreas procurement and preservation for pancreas and islet transplantation, and review advances in islet protection and preservation. RECENT FINDINGS Pancreases procured after cardiac death, with in-situ regional organ cooling, have been successfully used for islet transplantation. Colloid-free Celsior and histidine-tryptophan-ketoglutarate preservation solutions are comparable to University of Wisconsin solution when used for cold storage before pancreas transplantation. Colloid-free preservation solutions are inferior to University of Wisconsin solution for pancreas preservation prior to islet isolation and transplantation. Clinical reports on pancreas transplants suggest that the two-layer method may not offer significant benefits over cold storage with the University of Wisconsin solution: improved oxygenation may depend on the graft size; benefits in experimental models may not translate to human organs. Improvements in islet yield and quality occurred from pancreases treated with inhibitors of stress-induced apoptosis during procurement, storage, isolation or culture desirable before islet isolation and transplantation and may improve islet yield and quality. Methods for real-time, noninvasive assessment of pancreas quality during preservation have been implemented and objective islet-potency assays have been developed and validated. These innovations should contribute to objective evaluation and establishment of improved pancreas-preservation and islet-isolation strategies. SUMMARY Cold storage may be adequate for preservation before pancreas transplants, but insufficient when pancreases are processed for islets or when expanded donors are used. Supplementation of cold-storage solutions with cytoprotective agents and perfusion may improve pancreas and islet transplant outcomes.
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Abstract
PURPOSE OF REVIEW To provide an update on recent developments in liver preservation through a comprehensive review of the literature. RECENT FINDINGS Comparisons of the available preservation solutions for liver transplantation based on recent trials suggest clinical equivalence. The debate continues regarding risk of biliary-tract complications. Development of new preservation solutions and agents that target specific mechanisms of steatotic and donors after cardiac death pathophysiology is showing promise in a variety of preclinical and clinical studies. Early clinical results of ischemic preconditioning are conflicting and so there is the need for additional clinical studies. The most important developments have been in the machine perfusion of the liver. New portable perfusion systems have shown promise in preclinical studies and may allow rapid evolution of clinical liver machine perfusion. The first human clinical trial is well underway with results showing safety and improved efficacy of preservation of transplanted human liver allografts. SUMMARY Liver preservation is in a period of rapid advance. In the future, a multifaceted liver-preservation strategy that integrates pharmacologic agents and hypothermic machine perfusion is likely to minimize organ injury and maximize patient outcomes. An ongoing challenge is to increase the number of innovations entering prospective and randomized clinical trials.
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Iwanaga Y, Sutherland DE, Harmon JV, Papas KK. Pancreas preservation for pancreas and islet transplantation. Curr Opin Organ Transplant 2008; 13:445-51. [PMID: 18685343 PMCID: PMC2858000 DOI: 10.1097/mot.0b013e328303df04] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
PURPOSE OF REVIEW To summarize advances and limitations in pancreas procurement and preservation for pancreas and islet transplantation, and review advances in islet protection and preservation. RECENT FINDINGS Pancreases procured after cardiac death, with in-situ regional organ cooling, have been successfully used for islet transplantation. Colloid-free Celsior and histidine-tryptophan-ketoglutarate preservation solutions are comparable to University of Wisconsin solution when used for cold storage before pancreas transplantation. Colloid-free preservation solutions are inferior to University of Wisconsin solution for pancreas preservation prior to islet isolation and transplantation. Clinical reports on pancreas and islet transplants suggest that the two-layer method may not offer significant benefits over cold storage with the University of Wisconsin solution: improved oxygenation may depend on the graft size; benefits in experimental models may not translate to human organs. Improvements in islet yield and quality occurred from pancreases treated with inhibitors of stress-induced apoptosis during procurement, storage, isolation or culture. Pancreas perfusion may be desirable before islet isolation and transplantation and may improve islet yields and quality. Methods for real-time, noninvasive assessment of pancreas quality during preservation have been implemented and objective islet potency assays have been developed and validated. These innovations should contribute to objective evaluation and establishment of improved pancreas preservation and islet isolation strategies. SUMMARY Cold storage may be adequate for preservation before pancreas transplants, but insufficient when pancreases are processed for islets or when expanded donors are used. Supplementation of cold storage solutions with cytoprotective agents and perfusion may improve pancreas and islet transplant outcomes.
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Affiliation(s)
- Yasuhiro Iwanaga
- Transplantation Unit, Kyoto University Hospital, Kyoto, Japan
- Department of Surgery, Division of Transplantation, University of Minnesota, Minneapolis, USA
| | - David E.R. Sutherland
- Department of Surgery, Division of Transplantation, University of Minnesota, Minneapolis, USA
| | - James V. Harmon
- Department of Surgery, Division of Transplantation, University of Minnesota, Minneapolis, USA
| | - Klearchos K. Papas
- Department of Surgery, Division of Transplantation, University of Minnesota, Minneapolis, USA
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Stahl JE, Kreke JE, Malek FAA, Schaefer AJ, Vacanti J. Consequences of cold-ischemia time on primary nonfunction and patient and graft survival in liver transplantation: a meta-analysis. PLoS One 2008; 3:e2468. [PMID: 18575623 PMCID: PMC2430537 DOI: 10.1371/journal.pone.0002468] [Citation(s) in RCA: 80] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2007] [Accepted: 05/07/2008] [Indexed: 12/23/2022] Open
Abstract
Introduction The ability to preserve organs prior to transplant is essential to the organ allocation process. Objective The purpose of this study is to describe the functional relationship between cold-ischemia time (CIT) and primary nonfunction (PNF), patient and graft survival in liver transplant. Methods To identify relevant articles Medline, EMBASE and the Cochrane database, including the non-English literature identified in these databases, was searched from 1966 to April 2008. Two independent reviewers screened and extracted the data. CIT was analyzed both as a continuous variable and stratified by clinically relevant intervals. Nondichotomous variables were weighted by sample size. Percent variables were weighted by the inverse of the binomial variance. Results Twenty-six studies met criteria. Functionally, PNF% = −6.678281+0.9134701*CIT Mean+0.1250879*(CIT Mean−9.89535)2−0.0067663*(CIT Mean−9.89535)3, r2 = .625, , p<.0001. Mean patient survival: 93 % (1 month), 88 % (3 months), 83 % (6 months) and 83 % (12 months). Mean graft survival: 85.9 % (1 month), 80.5 % (3 months), 78.1 % (6 months) and 76.8 % (12 months). Maximum patient and graft survival occurred with CITs between 7.5–12.5 hrs at each survival interval. PNF was also significantly correlated with ICU time, % first time grafts and % immunologic mismatches. Conclusion The results of this work imply that CIT may be the most important pre-transplant information needed in the decision to accept an organ.
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Affiliation(s)
- James E Stahl
- MGH-Institute for Technology Assessment, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, United States of America.
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43
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Hypothermic in situ perfusion of the porcine liver using Celsior or Ringer-lactate solution. Langenbecks Arch Surg 2008; 394:143-50. [DOI: 10.1007/s00423-008-0322-6] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2007] [Accepted: 12/20/2007] [Indexed: 11/26/2022]
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D'Amico F, Vitale A, Gringeri E, Valmasoni M, Carraro A, Brolese A, Zanus G, Boccagni P, D'Amico DF, Cillo U. Liver transplantation using suboptimal grafts: impact of donor harvesting technique. Liver Transpl 2007; 13:1444-50. [PMID: 17902131 DOI: 10.1002/lt.21268] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
In recent years, an increasing number of suboptimal grafts has been used to reduce the gap between the supply and demand of organs for liver transplantation (LT). In this randomized prospective study, we tested the impact of donor harvesting technique on the posttransplantation outcome of suboptimal donor livers. A modified double perfusion (MDP) technique (aortic and portal cooling with tourniquet clamping of splenomesenteric vein inflow) was compared with the single aortic perfusion (SAP) technique. Between February and November 2005, 35 suboptimal grafts were randomly assigned to either technique (18 MDP livers and 17 SAP livers). Donor and recipient variables were comparable in the 2 study groups. The SAP group had significantly higher blood transaminases and bilirubin levels after LT. The prevalence of graft primary dysfunction (PDF) was also significantly higher (P=0.01) in the SAP group (35%) than in the MDP group (5%). In 5 cases, all in the SAP group (P=0.02), early re-LT (<30 days) was needed. The 6-month patient and graft survival rates were significantly higher in the MDP (100% in both cases) than in the SAP group (68% and 58%, respectively). The study was stopped in November 2005, when the interim analysis revealed such markedly significant differences between the two groups. In conclusion, the present study showed a very low prevalence of PDF, death, and re-LT after transplantation with suboptimal liver when a MDP technique was used to harvest the donor graft.
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Affiliation(s)
- Francesco D'Amico
- Unità di Chirurgia Epatobiliare e Trapianto Epatico, Dipartimento assistenziale di Chirurgia Generale e Trapianti d'Organo - Università, Ospedaliera di Padova, Padova, Italy
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45
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Feng L, Zhao N, Yao X, Sun X, Du L, Diao X, Li S, Li Y. Histidine-tryptophan-ketoglutarate solution vs. University of Wisconsin solution for liver transplantation: a systematic review. Liver Transpl 2007; 13:1125-36. [PMID: 17665493 DOI: 10.1002/lt.21208] [Citation(s) in RCA: 63] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
University of Wisconsin (UW) solution has been recognized as the gold standard in liver preservation, but its limitations are becoming obvious, such as risk of biliary complications and its high cost. Alternatively, the effects of histidine-tryptophan-ketoglutarate (HTK), such as improved biliary protection and low cost, have been observed. This systematic review is conducted to compare the efficacy and safety of these 2 solutions. Databases from 1966 to June 2006 were searched. Randomized clinical trials (RCTs) and cohort studies comparing HTK and UW solutions for liver transplantation were included. Ten articles including 11 comparisons (1,200 patients) met the inclusion criteria, containing 2 RCTs and 9 cohort studies. No marked differences existed between the 2 groups in patient and graft survival rates, acute rejection, primary nonfunction, primary dysfunction, delayed graft function, and ALT and AST levels after transplantation. The only positive result was observed in the bile production after deceased donor liver transplantation (DDLT), which was statistically significantly higher in HTK group than that of UW group (95% confidence interval, 18.65-57.47; P=0.0001). Although the difference in biliary complications between the 2 groups did not reach statistical significance, HTK was thought to be more effective for biliary tract flush and prevention of biliary complications in some studies. There was no statistically significant difference of effects (except bile production) between HTK and UW. But trends were documented in some studies for the superiority of HTK in biliary tract flush, prevention of biliary complications, and cost saving. Adequately powered RCTs with longer follow-up periods are required to evaluate the long-term effect of these 2 solutions.
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Affiliation(s)
- Li Feng
- Key Laboratory of Transplant Engineering and Immunology, Ministry of Health, West China Hospital, Sichuan University, PR China.
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46
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Abstract
Maintaining organ viability after donation until transplantation is critically important for optimal graft function and survival. To date, static cold storage is the most widely used form of preservation in every day clinical practice. Although simple and effective, it is questionable whether this method is able to prevent deterioration of organ quality in the present era with increasing numbers of organs retrieved from older, more marginal, and even non-heart-beating donors. This review describes principles involved in effective preservation and focuses on some basic components and methods of abdominal organ preservation in clinical and experimental transplantation. Concepts and developments to reduce ischemia related injury are discussed, including hypothermic machine perfusion. Despite the fact that hypothermic machine perfusion might be superior to static cold storage preservation, organs are still exposed to hypothermia induced damage. Therefore, recently some groups have pointed at the beneficial effects of normothermic machine perfusion as a new perspective in organ preservation and transplantation.
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Affiliation(s)
- Mark-Hugo J Maathuis
- Department of Surgery, Surgical Research Laboratory, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
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Buis CI, Verdonk RC, Van der Jagt EJ, van der Hilst CS, Slooff MJH, Haagsma EB, Porte RJ. Nonanastomotic biliary strictures after liver transplantation, part 1: Radiological features and risk factors for early vs. late presentation. Liver Transpl 2007; 13:708-18. [PMID: 17457932 DOI: 10.1002/lt.21166] [Citation(s) in RCA: 156] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Nonanastomotic biliary strictures (NAS) are a serious complication after orthotopic liver transplantation (OLT). The exact pathogenesis is unclear. Purpose of this study was to identify risk factors for the development of NAS after OLT. A total of 487 adult liver transplants with a median follow-up of 7.9 years were studied. All imaging studies of the biliary tree were reviewed. Cholangiography was routinely performed between postoperative days 10-14 and later on demand. Localization of NAS at first presentation was categorized into 4 anatomical zones of the biliary tree. Severity of NAS was semiquantified as mild, moderate, or severe. Donor, recipient, and surgical characteristics and variables were analyzed to identify risk factors for NAS. NAS developed in 81 livers (16.6%). Thirty-seven (7.3%) were graded as moderate to severe. In 85% of the cases, anatomical localization of NAS was around or below the bifurcation of the common bile duct. A large variation was observed in the time interval between OLT and first presentation of NAS (median 4.1 months; range 0.3-155 months). NAS presenting early (< or =1 year) after OLT were associated with preservation-related risk factors. Cold and warm ischemia times were significantly longer in patients with early NAS compared with NAS presenting late (>1 year) after OLT (694 minutes vs. 490 minutes, P = 0.01, and 57 minutes vs. 53 minutes, P < 0.05, respectively), and early NAS were more frequently located in the central bile ducts. NAS presenting late (>1 year) after OLT were found more frequently in the periphery of the liver and were more frequently associated with immunological factors, such as primary sclerosing cholangitis, as the indication for OLT (24% vs. 45%, P < 0.05). By separating cases of NAS on the basis of the time of presentation after transplantation, we were able to identify differences in risk factors, indicating different pathogenic mechanisms depending on the time of initial presentation.
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Affiliation(s)
- Carlijn I Buis
- Section of Hepatobiliary Surgery and Liver Transplantation, Department of Surgery, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
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Hubert T, Gmyr V, Arnalsteen L, Jany T, Triponez F, Caiazzo R, Vandewalle B, Vantyghem MC, Kerr-Conte J, Pattou F. Influence of Preservation Solution on Human Islet Isolation Outcome. Transplantation 2007; 83:270-6. [PMID: 17297400 DOI: 10.1097/01.tp.0000251723.97483.16] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
BACKGROUND The influence of the preservation solution used for in situ perfusion of the donor and pancreas storage on islet isolation has received little attention. METHODS In this prospective controlled trial, we compared the outcome of human islet isolation from pancreata perfused with University of Wisconsin (UW) solution or Celsior, an alternative colloid-free extracellular solution. RESULTS At the 1-year interim analysis, the viability and insulin secretion of islets isolated from donors perfused with UW (n=19) or Celsior (n=5) were identical. However, total islet recovery (IEQ) and isolation yield (IEQ/g) were 1.8-fold and 2.1-fold inferior in the Celsior group (P<0.05 vs. UW). Overall, 13 (68%) of islet preparations were effectively transplanted from the UW group vs. none from the Celsior group (P=0.01). The clinical study was discontinued and the causes of these differences were further explored in the pig (n=14). In contrast to UW, Celsior induced cell swelling and pancreas edema after only four hours of cold storage. These abnormalities were delayed when the donor was perfused with Solution de Conservation d'Organes et de Tissus (SCOT), an extracellular solution containing polyethylene glycol. CONCLUSIONS Our results suggest that colloid-free preservation solutions might be suboptimal for pancreas perfusion and cold storage prior to islet isolation and transplantation. Because pancreata are now frequently recovered for islet transplantation, preliminary experimental and clinical data about islet isolation should be obtained prior to the routine implementation of new preservation solutions for abdominal perfusion during multiorgan recovery.
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Affiliation(s)
- Thomas Hubert
- Inserm U859, Diabetes Cell Therapy, Faculty of Medicine, Lille 2 University, Lille, France
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García-Gil FA, Arenas J, Güemes A, Esteban E, Tomé-Zelaya E, Lamata F, Sousa R, Jiménez A, Barrao ME, Serrano MT. Preservation of the liver graft with Celsior solution. Transplant Proc 2007; 38:2385-8. [PMID: 17097942 DOI: 10.1016/j.transproceed.2006.08.032] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
INTRODUCTION We studied the evolution of the liver graft with preservation in Celsior (CS) compared with University of Wisconsin solution (UW). MATERIAL AND METHODS A randomized prospective clinical study in 80 liver transplants (OLTs) from May 2001 to October 2003, compared CS (group I; n = 40) and UW (group II; n = 40). The characteristics of the donors were homogeneous, with no significant differences in 15 variables. CS was perfused with 4 L through the aorta, 2 L through the portal vein, and 1 L, through the portal vein on the back table; and the UW, as 3 L, 2 L, and 1 L, respectively. All OLTs were performed using the piggyback technique. RESULTS Group I experienced reperfusion syndrome (n = 2; 5.9%), primary graft nonfunction (n = 0); vascular complications (n = 0); biliary anastomosis stenosis (n = 8; 22.9%), intensive care unit (ICU) days (n = 4.1 +/- 1), death within 30 days (n = 1; 3.1%). The patient and graft survivals at 1, 3, 6, 12, and 24 months were 93.7%, 93.7%, 90.2%, 85.7%, 85.7%, and 94.3%, 88.5%, 85.2%, 78%, 78%, respectively. For group II; the reperfusion syndrome occured in 6 patients (17.6%); primary graft nonfunction (n = 0); vascular complications (n = 0), biliary anastomosis stenosis (n = 3; 8.6%), ICU days (n = 4.9 +/- 2.4) and death within 30 days (n = 1; 3.1%); The patient and graft survival at 1, 3, 6, 12, and 24 months were 96.9%, 93.5%, 89.8%, 79.8%, 79.8% and 94.3%, 88.3%, 84.9%, 75.5%, 66.1%, respectively. CONCLUSIONS CS offers the similar safety to UW for preservation of liver grafts within these ischemia times.
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Affiliation(s)
- F A García-Gil
- Liver Transplant Unit, Hospital Clínico Universitario. "Lozano Blesa," Zaragoza, Spain.
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Panzera P, Greco L, Rotelli MT, Lavolpe V, Salerno AM, Gentile A, Catalano G, Cicco G, Memeo V. Effects of Preservation Solutions on Blood. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2006; 578:277-83. [PMID: 16927705 DOI: 10.1007/0-387-29540-2_44] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Piercarmine Panzera
- Centre of Research in Hemorheology, Microcirculation and Oxygen Transport, University of Bari
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