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Kim SC, Foley DP. Strategies to Improve the Utilization and Function of DCD Livers. Transplantation 2024; 108:625-633. [PMID: 37496117 DOI: 10.1097/tp.0000000000004739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/28/2023]
Abstract
Despite the increased usage of livers from donation after circulatory death (DCD) donors in the last decade, many patients remaining on the waitlist who need a liver transplant. Recent efforts have focused on maximizing the utilization and outcomes of these allografts using advances in machine perfusion technology and other perioperative strategies such as normothermic regional perfusion (NRP). In addition to the standard donor and recipient matching that is required with DCD donation, new data regarding the impact of graft steatosis, extensive European experience with NRP, and the increasing use of normothermic and hypothermic machine perfusion have shown immense potential in increasing DCD organ overall utilization and improved outcomes. These techniques, along with viability testing of extended criteria donors, have generated early promising data to consider the use of higher-risk donor organs and more widespread adoption of these techniques in the United States. This review explores the most recent international literature regarding strategies to optimize the utilization and outcomes of DCD liver allografts, including donor-recipient matching, perioperative strategies including NRP versus rapid controlled DCD recovery, viability assessment of discarded livers, and postoperative strategies including machine perfusion versus pharmacologic interventions.
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Affiliation(s)
- Steven C Kim
- Division of Transplantation, Department of Surgery, Emory University School of Medicine, Atlanta, GA
| | - David P Foley
- Division of Transplantation, Department of Surgery, University of Wisconsin School of Medicine and Public Health, Madison, WI
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2
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Zhang L, Xue FS, Tian M, Zhu ZJ. Elevated effluent potassium concentrations predict the development of postreperfusion hyperkalemia in deceased liver transplantation: a retrospective cohort study. BMC Anesthesiol 2022; 22:161. [PMID: 35614393 PMCID: PMC9131582 DOI: 10.1186/s12871-022-01699-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Accepted: 05/18/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Postreperfusion hyperkalemia (PRHK) has garnered increasing attention in regard to deceased liver transplantation (LT), especially for LT using the expanded criteria donor grafts. However, the impact of the effluent potassium (eK+) concentration on PRHK has been largely overlooked. We evaluated whether elevated eK+ concentrations are associated with PRHK in deceased LT. METHODS In this single-institution, retrospective cohort study, we included all adults who underwent deceased LT with intraoperative eK+ concentration monitoring between November 2016 and December 2018. The eK+ concentrations were obtained from the effluent samples collected following a standard portal vein flush. PRHK was defined as any serum potassium (sK+) level of > 5.5 mmol/L following reperfusion. Logistic regression was performed to identify predictors for PRHK, and linear regression was used to examine predictors of the maximum percentage increase in the sK+ level following reperfusion. RESULTS Of the 86 patients who met the inclusion criteria, 54 (62.8%) developed PRHK. Independent predictors for PRHK included greater graft weight (OR 1.283 [95% CI 1.029-1.599] per 100 g, P = 0.027), an elevated eK+ concentration (OR 1.291 [95% CI 1.068-1.561] per mol/L, P = 0.008), and a higher sK+ level before reperfusion (OR 4.459 [95% CI 1.543-12.884] per mol/L, P = 0.006). An eK+ concentration of more than 6.9 mmol/L had a sensitivity of 59.26% and a specificity of 78.12% for predicting PRHK (area under the receiver operating characteristic curve, 0.694). Multiple linear regression analyses indicated that the eK+ and sK+ levels before reperfusion were significant predictors of the maximum percentage increase in the sK+ level following reperfusion. In addition, PRHK was associated with an increased risk of postreperfusion significant arrhythmias, severe postreperfusion syndrome, and postoperative early allograft dysfunction. CONCLUSIONS This study shows that the eK+ concentration could predict the risk of PRHK in deceased LT. Further prospective studies are warranted to clarify these associations.
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Affiliation(s)
- Liang Zhang
- Department of Anesthesiology, Beijing Friendship Hospital, Capital Medical University, No. 95 Yong-an Road, Beijing, 100050, China.
| | - Fu-Shan Xue
- Department of Anesthesiology, Beijing Friendship Hospital, Capital Medical University, No. 95 Yong-an Road, Beijing, 100050, China
| | - Ming Tian
- Department of Anesthesiology, Beijing Friendship Hospital, Capital Medical University, No. 95 Yong-an Road, Beijing, 100050, China
| | - Zhi-Jun Zhu
- Division of Liver Transplantation, Department of General Surgery, Beijing Friendship Hospital, Capital Medical University, Beijing, China. .,Clinical Center for Pediatric Liver Transplantation, Capital Medical University, Beijing, China. .,Liver Transplantation Center, National Clinical Research Center for Digestive Diseases, Beijing, China.
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3
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Kim J, Kwon JH, Kim GS. Changes in Blood Potassium after Reperfusion during Living-Donor Liver Transplantation: An Exploratory Study. Diagnostics (Basel) 2021; 11:diagnostics11122248. [PMID: 34943485 PMCID: PMC8700509 DOI: 10.3390/diagnostics11122248] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Revised: 11/26/2021] [Accepted: 11/27/2021] [Indexed: 11/17/2022] Open
Abstract
The incidence of hyperkalemia (>5.5 mEq/L) or high blood potassium (5–5.5 mEq/L) during living-donor liver transplantation (LDLT) is reported to be more than 10%. It occurs more frequently in the early post-reperfusion period and is a major cause of post-reperfusion arrhythmia and cardiac arrest. Unlike deceased-donor liver transplantation, the pattern of blood potassium changes immediately after reperfusion has not been described in LDLT. From January 2021 to March 2021, fifteen consecutive patients were enrolled. Baseline blood potassium was measured from blood samples obtained 10-min (T-10) and immediately before (T0) reperfusion. During the first 5 min after reperfusion, blood potassium measurements were conducted every one minute (T1–T5). The blood potassium levels at T-10 and T0 were 3.8 ± 0.4 and 3.9 ± 0.4 mEq/L, respectively. After reperfusion, mean increases (95% CI) in blood potassium from T-10 and T0 were 0.5 (0.4–0.6) and 0.4 (0.3–0.5) mEq/L, respectively. Blood potassium peaked at T1, returned to baseline at T3, and fell below the baseline at T5. Peak blood potassium after reperfusion showed strong correlations with blood potassium measured at T-10 (p < 0.001) and T0 (p < 0.0001). These findings can support the establishment of future research plans and perioperative management of blood potassium in LDLT.
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Affiliation(s)
| | | | - Gaab Soo Kim
- Correspondence: ; Tel.: +82-2-34100360; Fax: +82-2-34100361
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Schlegel A, Foley DP, Savier E, Flores Carvalho M, De Carlis L, Heaton N, Taner CB. Recommendations for Donor and Recipient Selection and Risk Prediction: Working Group Report From the ILTS Consensus Conference in DCD Liver Transplantation. Transplantation 2021; 105:1892-1903. [PMID: 34416750 DOI: 10.1097/tp.0000000000003825] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Although the utilization of donation after circulatory death donors (DCDs) for liver transplantation (LT) has increased steadily, much controversy remains, and no common acceptance criteria exist with regard to donor and recipient risk factors and prediction models. A consensus conference was organized by International Liver Transplantation Society on January 31, 2020, in Venice, Italy, to review the current clinical practice worldwide regarding DCD-LT and to develop internationally accepted guidelines. The format of the conference was based on the grade system. International experts in this field were allocated to 6 working groups and prepared evidence-based recommendations to answer-specific questions considering the currently available literature. Working group members and conference attendees served as jury to edit and confirm the final recommendations presented at the end of the conference by each working group separately. This report presents the final statements and recommendations provided by working group 2, covering the entire spectrum of donor and recipient risk factors and prediction models in DCD-LT.
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Affiliation(s)
- Andrea Schlegel
- The Liver Unit, Queen Elizabeth Hospital Birmingham, Edgbaston, Birmingham, United Kingdom
- Hepatobiliary Unit, Department of Clinical and Experimental Medicine, University of Florence, AOU Careggi, Florence, Italy
| | - David P Foley
- University of Wisconsin School of Medicine and Public Health, William S. Middleton VA Medical Center, Madison, WI
| | - Eric Savier
- Department of Hepatobiliary Surgery and Liver Transplantation, Sorbonne Université Pitié-Salpêtrière Hospital, Paris, France
| | - Mauricio Flores Carvalho
- Hepatobiliary Unit, Department of Clinical and Experimental Medicine, University of Florence, AOU Careggi, Florence, Italy
| | - Luciano De Carlis
- Department of General Surgery and Transplantation, ASST Grande Ospedale Metropolitano Niguarda, Milan, Italy
- School of Medicine and Surgery, University of Milano-Bicocca, Milan, Italy
| | - Nigel Heaton
- Institute of Liver Studies, King's College Hospital, London, United Kingdom
| | - C Burcin Taner
- Department of Transplant, Mayo Clinic Florida, Jacksonville, FL
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5
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Croome KP, Mathur AK, Mao S, Aqel B, Piatt J, Senada P, Heimbach JK, Moss A, Rosen CB, Taner CB. Perioperative and long-term outcomes of utilizing donation after circulatory death liver grafts with macrosteatosis: A multicenter analysis. Am J Transplant 2020; 20:2449-2456. [PMID: 32216008 DOI: 10.1111/ajt.15877] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2019] [Revised: 02/04/2020] [Accepted: 03/10/2020] [Indexed: 01/25/2023]
Abstract
BACKGROUND Given the potentially additive risk from using donor livers that are both steatotic and from a donation after circulatory death (DCD) donor, there is a paucity of data on the outcome of DCD liver transplantation (LT) utilizing livers with macrosteatosis. METHODS All DCD LT performed at Mayo Clinic-Florida, Mayo Clinic-Arizona, and Mayo Clinic-Rochester from 1999 to 2019 were included (N = 714). Recipients of DCD LT were divided into 3 groups: those with moderate macrosteatosis (30%-60%), mild macrosteatosis (5%-30%), and no steatosis (<5%). RESULTS Patients with moderate macrosteatosis had a higher rate of postreperfusion syndrome (PRS; 53.9% vs 26.2%; P = .002), postreperfusion cardiac arrest (7.7% vs 0.3%; P < .001), primary nonfunction (PNF; 7.7% vs 1.0%; P = .003), early allograft dysfunction (EAD; 70.8% vs 45.6% and 8.3%; P = .02), and acute kidney injury (AKI; 39.1% vs 19.4%; P = .02) than patients with no steatosis. No difference in any of the perioperative complications was seen between the mild macrosteatosis and the no steatosis groups except for the rate of EAD (56.8% vs 45.6%; P = .04). No difference in ischemic cholangiopathy (IC), vascular thrombosis/stenosis or graft, and patient survival was seen between the 3 groups. CONCLUSION DCD donors with mild macrosteatosis < 30% can be utilized with no increase in perioperative complications and similar patient and graft survival compared to DCD donors with no steatosis. When utilizing DCD donors with moderate macrosteatosis higher rates of PRS, PNF, postreperfusion cardiac arrest, EAD, and AKI should be anticipated.
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Affiliation(s)
| | - Amit K Mathur
- Department of Surgery, Mayo Clinic Arizona, Phoenix, Arizona, USA
| | - Shennen Mao
- Department of Transplant, Mayo Clinic Florida, Jacksonville, Florida, USA
| | - Bashar Aqel
- Department of Surgery, Mayo Clinic Arizona, Phoenix, Arizona, USA
| | - Jacob Piatt
- Department of Transplant, Mayo Clinic Florida, Jacksonville, Florida, USA
| | - Peter Senada
- Department of Transplant, Mayo Clinic Florida, Jacksonville, Florida, USA
| | - Julie K Heimbach
- Department of Surgery, Mayo Clinic Rochester, Rochester, Minnesota, USA
| | - Adyr Moss
- Department of Surgery, Mayo Clinic Arizona, Phoenix, Arizona, USA
| | - Charles B Rosen
- Department of Surgery, Mayo Clinic Rochester, Rochester, Minnesota, USA
| | - C Burcin Taner
- Department of Transplant, Mayo Clinic Florida, Jacksonville, Florida, USA
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6
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Eckfeld C, Häußler D, Schoeps B, Hermann CD, Krüger A. Functional disparities within the TIMP family in cancer: hints from molecular divergence. Cancer Metastasis Rev 2020; 38:469-481. [PMID: 31529339 DOI: 10.1007/s10555-019-09812-6] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
The members of the tissue inhibitor of metalloproteinase (TIMP) family (TIMP-1, 2, 3, 4) are prominently appreciated as natural inhibitors of cancer-promoting metalloproteinases. However, clinical and recent functional studies indicate that some of them correlate with bad prognosis and contribute to the progression of cancer and metastasis, pointing towards mechanisms beyond inhibition of cancer-promoting proteases. Indeed, it is increasingly recognized that TIMPs are multi-functional proteins mediating a variety of cellular effects including direct cell signaling. Our aim was to provide comprehensive information towards a better appreciation and understanding of the biological heterogeneity and complexity of the TIMPs in cancer. Comparison of all four members revealed distinct cancer-associated expression patterns and distinct prognostic impact including a clear correlation of TIMP-1 with bad prognosis for almost all cancer types. For the first time, we present the interactomes of all TIMPs regarding overlapping and non-overlapping interaction partners. Interestingly, the overlap was maximal for metalloproteinases (e.g., matrix metalloproteinase 1, 2, 3, 9) and decreased for non-protease molecules, especially cell surface receptors (e.g., CD63, overlapping only for TIMP-1 and 4; IGF-1R unique for TIMP-2; VEGFR2 unique for TIMP-3). Finally, we attempted to identify and summarize experimental evidence for common and unique structural traits of the four TIMPs on the basis of amino acid sequence and protein folding, which account for functional disparities. Altogether, the four TIMPs have to be appreciated as molecules with commonalities, but, more importantly, functional disparities, which need to be investigated further in the future, since those determine their distinct roles in cancer and metastasis.
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Affiliation(s)
- Celina Eckfeld
- School of Medicine, Institutes of Molecular Immunology and Experimental Oncology, Technical University of Munich, Ismaninger Str. 22, Munich, 81675, Germany
| | - Daniel Häußler
- School of Medicine, Institutes of Molecular Immunology and Experimental Oncology, Technical University of Munich, Ismaninger Str. 22, Munich, 81675, Germany
| | - Benjamin Schoeps
- School of Medicine, Institutes of Molecular Immunology and Experimental Oncology, Technical University of Munich, Ismaninger Str. 22, Munich, 81675, Germany
| | - Chris D Hermann
- School of Medicine, Institutes of Molecular Immunology and Experimental Oncology, Technical University of Munich, Ismaninger Str. 22, Munich, 81675, Germany
| | - Achim Krüger
- School of Medicine, Institutes of Molecular Immunology and Experimental Oncology, Technical University of Munich, Ismaninger Str. 22, Munich, 81675, Germany.
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7
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Chadha RM, Croome KP, Aniskevich S, Pai SL, Nguyen J, Burns J, Perry D, Taner CB. Intraoperative Events in Liver Transplantation Using Donation After Circulatory Death Donors. Liver Transpl 2019; 25:1833-1840. [PMID: 31539458 DOI: 10.1002/lt.25643] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/02/2019] [Accepted: 08/18/2019] [Indexed: 02/07/2023]
Abstract
Liver grafts from donation after circulatory death (DCD) are a source of organs to decrease wait-list mortality. While there have been lower rates of graft loss, there are concerns of an increased incidence of intraoperative events in recipients of DCD grafts. We aim to look at the incidence of intraoperative events between recipients of livers from DCD and donation after brain death (DBD) donors. We collected data for 235 DCD liver recipients between 2006 and 2017. We performed a 1:1 propensity match between these patients and patients with DBD donors. Variables included recipient age, liver disease etiology, biological Model for End-Stage Liver Disease (MELD) score, allocation MELD score, diagnosis of hepatocellular carcinoma, and year of transplantation. DCD and DBD groups had no significant differences in incidence of postreperfusion syndrome (P = 0.75), arrhythmia requiring cardiopulmonary resuscitation (P = 0.66), and treatments for hyperkalemia (P = 0.84). In the DCD group, there was a significant increase in amount of total intraoperative and postreperfusion blood products (with exception of postreperfusion packed red blood cells) utilized (P < 0.05 for all products), significant differences in postreperfusion thromboelastography parameters, as well as inotropes and vasopressors used (P < 0.05 for all infusions). There was no difference in patient (P = 0.49) and graft survival (P = 0.10) at 1, 3, and 5 years. In conclusion, DCD grafts compared with a cohort of DBD grafts have a similar low incidence of major intraoperative events, but increased incidence of transient vasopressor/inotropic usage and increased blood transfusion requirements. This does not result in differences in longterm outcomes. While centers should continue to look at DCD liver donors, they should be cognizant regarding intraoperative care to prevent adverse outcomes.
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Affiliation(s)
- Ryan M Chadha
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic Florida, Jacksonville, FL
| | | | - Stephen Aniskevich
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic Florida, Jacksonville, FL
| | - Sher-Lu Pai
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic Florida, Jacksonville, FL
| | - Justin Nguyen
- Department of Transplant Surgery, Mayo Clinic Florida, Jacksonville, FL
| | - Justin Burns
- Department of Transplant Surgery, Mayo Clinic Florida, Jacksonville, FL
| | - Dana Perry
- Department of Transplant Surgery, Mayo Clinic Florida, Jacksonville, FL
| | - C Burcin Taner
- Department of Transplant Surgery, Mayo Clinic Florida, Jacksonville, FL
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8
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Patrono D, Romagnoli R. Postreperfusion syndrome, hyperkalemia and machine perfusion in liver transplantation. Transl Gastroenterol Hepatol 2019; 4:68. [PMID: 31620650 DOI: 10.21037/tgh.2019.08.12] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/21/2019] [Accepted: 08/23/2019] [Indexed: 01/25/2023] Open
Affiliation(s)
- Damiano Patrono
- General Surgery 2U, Liver Transplant Unit, A.O.U. Città della Salute e della Scienza di Torino, University of Turin, Turin, Italy
| | - Renato Romagnoli
- General Surgery 2U, Liver Transplant Unit, A.O.U. Città della Salute e della Scienza di Torino, University of Turin, Turin, Italy
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9
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Advances of circular RNAs in carcinoma. Biomed Pharmacother 2018; 107:59-71. [PMID: 30077838 DOI: 10.1016/j.biopha.2018.07.164] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2018] [Revised: 07/29/2018] [Accepted: 07/31/2018] [Indexed: 12/14/2022] Open
Abstract
Circular RNAs (circRNAs) are a type of non-coding RNAs with single-stranded closed structure. The rapid development of high-throughput sequencing technology has allowed for the widespread presence of circRNAs in transcriptomes. Moreover, increasing studies have identified a correlation between circRNAs and different cancers. In addition, most circRNAs are dysregulated in various cancers, and some of them have been reported be vital in the occurrence and development of tumors. For example, ciRS-7 plays a role in tumor promotion and circ-ITCH acts as a tumor suppressor. This review summarizes the latest progressions in the field regarding the functions of circRNAs in relation with cancers, and anticipates the emerging roles of circRNAs and future challenges in cancer research.
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10
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Zhang L, Tian M, Wei L, Zhu Z. Expanded Criteria Donor-Related Hyperkalemia and Postreperfusion Cardiac Arrest During Liver Transplantation: A Case Report and Literature Review. Ann Transplant 2018; 23:450-456. [PMID: 29967315 PMCID: PMC6248011 DOI: 10.12659/aot.909308] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Background Liver transplantation (LT) using extended criteria donor (ECD) grafts is frequently associated with a high flush fluid potassium concentration (FFK) and acute hyperkalemia after reperfusion, which puts patients at greater risk of postreperfusion cardiac arrest (PRCA). Case Report Herein, we present a case with an extremely high FFK that was successfully pretreated to avoid the risk of PRCA. A 3-year-old boy with biliary atresia underwent LT from a 623-g donation after brain death liver graft with localized frostbite on the right lobe surface. The FFK was 18.8 mmol/L after flushing with 1000 mL of 5% albumin. To prevent PRCA due to acute hyperkalemia, further portal vein (PV) flush, retrograde reperfusion via the inferior vena cava, and antegrade reperfusion via the PV were adopted to remove the excessive potassium ions. Ultimately, the liver graft was reperfused when the perfused blood potassium concentration was 7.5 mmol/L without subsequent development of PRCA during the immediate reperfusion period. Nevertheless, the patient still experienced vasoplegic syndrome during the late reperfusion period. Conclusions Our case illustrates that the FFK measurement is helpful for identifying ECD-related hyperkalemia and for providing advance warning of PRCA. Future investigations are warranted to confirm the relationship between high FFK and PRCA and to observe the effectiveness of other interventions to prevent PRCA due to ECD-related hyperkalemia.
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Affiliation(s)
- Liang Zhang
- Department of Anesthesiology, Beijing Friendship Hospital, Capital Medical University, Beijing, China (mainland)
| | - Ming Tian
- Department of Anesthesiology, Beijing Friendship Hospital, Capital Medical University, Beijing, China (mainland)
| | - Lin Wei
- Division of Liver Transplantation Surgery, Department of Surgery, Beijing Friendship Hospital, Capital Medical University, Beijing, China (mainland).,Liver Transplantation Center, National Clinical Research Center for Digestive Diseases, Beijing, China (mainland)
| | - Zhijun Zhu
- Division of Liver Transplantation Surgery, Department of Surgery, Beijing Friendship Hospital, Capital Medical University, Beijing, China (mainland).,Liver Transplantation Center, National Clinical Research Center for Digestive Diseases, Beijing, China (mainland)
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11
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Zhang L, Tian M, Xue F, Zhu Z. Diagnosis, Incidence, Predictors and Management of Postreperfusion Syndrome in Pediatric Deceased Donor Liver Transplantation: A Single-Center Study. Ann Transplant 2018; 23:334-344. [PMID: 29773782 PMCID: PMC6248285 DOI: 10.12659/aot.909050] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
Background Postreperfusion syndrome (PRS) is a dreadful and well-documented complication in adult liver transplantation (LT). However, information regarding PRS in pediatric LT is still scarce. We aimed to identify the incidence, risk factors and associated outcomes of pediatric LT in a single-center study. Material/Methods The medical records of 75 consecutive pediatric patients who underwent deceased donor liver transplantation (DDLT) from July 2015 to October 2017 were retrospectively reviewed. PRS was determined according to the Peking criteria when significant arrhythmia or refractory hypotension occurred following revascularization of the liver graft. Patients were divided into PRS and non-PRS groups. Preoperative, intraoperative, and postoperative data were collected and compared between the 2 groups. Independent risk factors for PRS were analyzed using binary logistic regression analysis. Results PRS occurred in 26 patients (34.7%). Univariate analysis showed that the graft-to-recipient weight ratio (P=0.023), donor warm ischemia time (P<0.001), and the use of an expanded criteria donor (ECD) liver graft (P<0.001) were significant predictors of PRS. Binary logistic regression showed that the use of an ECD liver graft (odds ratio [OR]: 18.668; 95% confidence interval [95% CI]: 4.866–71.622) and lower hematocrit (HCT) level before reperfusion (OR: 0.878; 95% CI: 0.782–0.985) were independent predictors of PRS. PRS was significantly associated with early allograft dysfunction (73.1% vs. 18.4%, P<0.001), primary nonfunction (11.5% vs. 0.0%, P=0.039), and a prolonged hospital stay (median: 30.5 vs. 21.0, P=0.007). Conclusions The use of an ECD liver graft and lower HCT level before reperfusion were independent risk factors for PRS in pediatric DDLT. Intraoperative PRS occurrence seems to be associated with poor liver allograft function and worsened patient postoperative outcomes.
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Affiliation(s)
- Liang Zhang
- Department of Anesthesiology, Beijing Friendship Hospital, Capital Medical University, Beijing, China (mainland)
| | - Ming Tian
- Department of Anesthesiology, Beijing Friendship Hospital, Capital Medical University, Beijing, China (mainland)
| | - Fushan Xue
- Department of Anesthesiology, Beijing Friendship Hospital, Capital Medical University, Beijing, China (mainland)
| | - Zhijun Zhu
- Division of Liver Transplantation Surgery, Department of Surgery, Beijing Friendship Hospital, Capital Medical University, Beijing, China (mainland).,Liver Transplantation Center, National Clinical Research Center for Digestive Diseases, Beijing, China (mainland)
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12
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Zhang L, Tian M, Sun L, Zhu Z. Association Between Flushed Fluid Potassium Concentration and Severe Postreperfusion Syndrome in Deceased Donor Liver Transplantation. Med Sci Monit 2017; 23:5158-5167. [PMID: 29080900 PMCID: PMC5675011 DOI: 10.12659/msm.907132] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
Backgrounds Predicting the occurrence of severe postreperfusion syndrome (PRS) is clinically challenging. We investigated whether the flushed fluid potassium concentration (FFK) was associated with severe PRS in deceased donor liver transplantation (DDLT). Material/Methods Forty adult DDLT recipients were enrolled in this retrospective study. Effluent solution samples were collected at the end of the portal vein flush, and the FFK was determined using a point-of-care blood gas analyzer. The risk factors associated with severe PRS and the clinical outcomes in 2 groups were compared. Results Severe PRS occurred in 22 out of 40 patients (55.0%). The FFK of the severe PRS group was significantly higher than that of the non-severe PRS group (median, 9.6 vs. 5.8, P<0.001). Other variables associated with severe PRS included the donor risk index (DRI), Child-Turcotte-Pugh score, donor type, donor warm ischemia time, and Model for End-stage Liver Disease score. The area under the receiver operator characteristic curve for the FFK was 0.982, and the best cut-off value of the FFK for predicting severe PRS was 6.75 mmol/L (100.0% sensitivity and 88.9% specificity). A significant positive correlation was observed between the FFK and DRI (R=0.714). Patients who experienced severe PRS had a higher early allograft dysfunction rate (63.6% vs. 22.2%, P=0.019) and a longer hospital stay (median, 33.0 vs. 24.0, P=0.034). Conclusions Both the severity of the recipient’s liver disease and the donor graft factors play an important role in the development of severe PRS in DDLT. An FFK of more than 6.75 mmol/L was associated with severe PRS after reperfusion.
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Affiliation(s)
- Liang Zhang
- Department of Anesthesiology, Beijing Friendship Hospital, Capital Medical University, Beijing, China (mainland)
| | - Ming Tian
- Department of Anesthesiology, Beijing Friendship Hospital, Capital Medical University, Beijing, China (mainland)
| | - Liying Sun
- Division of Liver Transplantation Surgery, Department of Surgery, Beijing Friendship Hospital, Capital Medical University, Beijing, China (mainland).,Liver Transplantation Center, National Clinical Research Center for Digestive Diseases, Beijing, China (mainland)
| | - Zhijun Zhu
- Division of Liver Transplantation Surgery, Department of Surgery, Beijing Friendship Hospital, Capital Medical University, Beijing, China (mainland).,Liver Transplantation Center, National Clinical Research Center for Digestive Diseases, Beijing, China (mainland)
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