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Lee J, Park S, Lee JG, Choo S, Koo BN. Efficacy of intraoperative blood salvage and autotransfusion in living-donor liver transplantation: a retrospective cohort study. Korean J Anesthesiol 2024; 77:345-352. [PMID: 38467466 PMCID: PMC11150109 DOI: 10.4097/kja.23599] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Revised: 01/30/2024] [Accepted: 02/21/2024] [Indexed: 03/13/2024] Open
Abstract
BACKGROUND Liver transplantation (LT) may be associated with massive blood loss and the need for allogeneic blood transfusion. Intraoperative blood salvage autotransfusion (IBSA) can reduce the need for allogeneic blood transfusion. This study aimed to investigate the effectiveness of blood salvage in LT. METHODS Among 355 adult patients who underwent elective living-donor LT between January 1, 2019, and December 31, 2022, 59 recipients without advanced hepatocellular carcinoma received IBSA using Cell Saver (CS group). Based on sex, age, model for end-stage liver disease (MELD) score, preoperative laboratory results, and other factors, 118 of the 296 recipients who did not undergo IBSA were matched using propensity score (non-CS group). The primary outcome was the amount of intraoperative allogenic red blood cell (RBC) transfusion. Comparisons were made between the two groups regarding the amount of other blood components transfused and postoperative laboratory findings. RESULTS The transfused allogeneic RBC for the CS group was significantly lower than that of the non-CS group (1,506.0 vs. 1,957.5 ml, P = 0.026). No significant differences in the transfused total fresh frozen plasma, platelets, cryoprecipitate, and estimated blood loss were observed between the two groups. The postoperative allogeneic RBC transfusion was significantly lower in the CS group than in the non-CS group (1,500.0 vs. 2,100.0 ml, P = 0.039). No significant differences in postoperative laboratory findings were observed at postoperative day 1 and discharge. CONCLUSIONS Using IBSA during LT can effectively reduce the need for perioperative allogeneic blood transfusions without causing subsequent coagulopathy.
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Affiliation(s)
- Jongchan Lee
- Yonsei University College of Medicine, Seoul, Korea
| | - Sujung Park
- Department of Anesthesiology and Pain Medicine, Anesthesia and Pain Research Institute, Yonsei University College of Medicine, Seoul, Korea
| | - Jae Geun Lee
- Department of Transplantation Surgery, Yonsei University College of Medicine, Seoul, Korea
| | - Sungji Choo
- Department of Anesthesiology and Pain Medicine, Anesthesia and Pain Research Institute, Yonsei University College of Medicine, Seoul, Korea
| | - Bon-Nyeo Koo
- Department of Anesthesiology and Pain Medicine, Anesthesia and Pain Research Institute, Yonsei University College of Medicine, Seoul, Korea
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Rajendran L, Lenet T, Shorr R, Abou Khalil J, Bertens KA, Balaa FK, Martel G. Should Cell Salvage Be Used in Liver Resection and Transplantation? A Systematic Review and Meta-analysis. Ann Surg 2023; 277:456-468. [PMID: 35861339 PMCID: PMC9891298 DOI: 10.1097/sla.0000000000005612] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
OBJECTIVE To evaluate the effect of intraoperative blood cell salvage and autotransfusion (IBSA) use on red blood cell (RBC) transfusion and postoperative outcomes in liver surgery. BACKGROUND Intraoperative RBC transfusions are common in liver surgery and associated with increased morbidity. IBSA can be utilized to minimize allogeneic transfusion. A theoretical risk of cancer dissemination has limited IBSA adoption in oncologic surgery. METHODS Electronic databases were searched from inception until May 2021. All studies comparing IBSA use with control in liver surgery were included. Screening, data extraction, and risk of bias assessment were conducted independently, in duplicate. The primary outcome was intraoperative allogeneic RBC transfusion (proportion of patients and volume of blood transfused). Core secondary outcomes included: overall survival and disease-free survival, transfusion-related complications, length of hospital stay, and hospitalization costs. Data from transplant and resection studies were analyzed separately. Random effects models were used for meta-analysis. RESULTS Twenty-one observational studies were included (16 transplant, 5 resection, n=3433 patients). Seventeen studies incorporated oncologic indications. In transplant, IBSA was associated with decreased allogeneic RBC transfusion [mean difference -1.81, 95% confidence interval (-3.22, -0.40), P =0.01, I 2 =86%, very-low certainty]. Few resection studies reported on transfusion for meta-analysis. No significant difference existed in overall survival or disease-free survival in liver transplant [hazard ratio (HR)=1.12 (0.75, 1.68), P =0.59, I 2 =0%; HR=0.93 (0.57, 1.48), P =0.75, I 2 =0%] and liver resection [HR=0.69 (0.45, 1.05), P =0.08, I 2 =0%; HR=0.93 (0.59, 1.45), P =0.74, I 2 =0%]. CONCLUSION IBSA may reduce intraoperative allogeneic RBC transfusion without compromising oncologic outcomes. The current evidence base is limited in size and quality, and high-quality randomized controlled trials are needed.
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Affiliation(s)
- Luckshi Rajendran
- Division of General Surgery, University of Toronto, Toronto, ON, Canada
| | - Tori Lenet
- Department of Surgery, The Ottawa Hospital, University of Ottawa, Ottawa, ON, Canada
- Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, ON, Canada
| | - Risa Shorr
- Library Services, The Ottawa Hospital, Ottawa, ON, Canada
| | - Jad Abou Khalil
- Department of Surgery, The Ottawa Hospital, University of Ottawa, Ottawa, ON, Canada
| | - Kimberly A. Bertens
- Department of Surgery, The Ottawa Hospital, University of Ottawa, Ottawa, ON, Canada
| | - Fady K. Balaa
- Department of Surgery, The Ottawa Hospital, University of Ottawa, Ottawa, ON, Canada
| | - Guillaume Martel
- Department of Surgery, The Ottawa Hospital, University of Ottawa, Ottawa, ON, Canada
- Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, ON, Canada
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Tran J, Sharma D, Gotlieb N, Xu W, Bhat M. Application of machine learning in liver transplantation: a review. Hepatol Int 2022; 16:495-508. [PMID: 35020154 DOI: 10.1007/s12072-021-10291-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Accepted: 12/15/2021] [Indexed: 12/12/2022]
Abstract
BACKGROUND Machine learning (ML) has been increasingly applied in the health-care and liver transplant setting. The demand for liver transplantation continues to expand on an international scale, and with advanced aging and complex comorbidities, many challenges throughout the transplantation decision-making process must be better addressed. There exist massive datasets with hidden, non-linear relationships between demographic, clinical, laboratory, genetic, and imaging parameters that conventional methods fail to capitalize on when reviewing their predictive potential. Pre-transplant challenges include addressing efficacies of liver segmentation, hepatic steatosis assessment, and graft allocation. Post-transplant applications include predicting patient survival, graft rejection and failure, and post-operative morbidity risk. AIM In this review, we describe a comprehensive summary of ML applications in liver transplantation including the clinical context and how to overcome challenges for clinical implementation. METHODS Twenty-nine articles were identified from Ovid MEDLINE, MEDLINE Epub Ahead of Print and In-Process and Other Non-Indexed Citations, Embase, Cochrane Database of Systematic Reviews, and Cochrane Central Register of Controlled Trials. CONCLUSION ML is vastly interrogated in liver transplantation with promising applications in pre- and post-transplant settings. Although challenges exist including site-specific training requirements, the demand for more multi-center studies, and optimization hurdles for clinical interpretability, the powerful potential of ML merits further exploration to enhance patient care.
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Affiliation(s)
- Jason Tran
- Department of Medicine, University of Ottawa, Ottawa, Canada
| | - Divya Sharma
- Department of Biostatistics, Dalla Lana School of Public Health, University of Toronto, Toronto, ON, Canada
- Department of Biostatistics, Princess Margaret Cancer Center, University Health Network, Toronto, ON, Canada
| | - Neta Gotlieb
- Ajmera Transplant Program, University Health Network, Toronto, ON, Canada
| | - Wei Xu
- Department of Biostatistics, Dalla Lana School of Public Health, University of Toronto, Toronto, ON, Canada
- Department of Biostatistics, Princess Margaret Cancer Center, University Health Network, Toronto, ON, Canada
| | - Mamatha Bhat
- Ajmera Transplant Program, University Health Network, Toronto, ON, Canada.
- Division of Gastroenterology, Department of Medicine, University of Toronto, 585 University Avenue, Toronto, ON, M5G 2N2, Canada.
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Muaddi H, Abreu P, Ivanics T, Claasen M, Yoon P, Gorgen A, Al-Adra D, Badenoch A, McCluskey S, Ghanekar A, Reichman T, Sapisochin G. The effect of perioperative packed red blood cells transfusion on patient outcomes after liver transplant for hepatocellular carcinoma. HPB (Oxford) 2022; 24:370-378. [PMID: 34325968 DOI: 10.1016/j.hpb.2021.06.425] [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] [Received: 12/16/2020] [Revised: 06/14/2021] [Accepted: 06/25/2021] [Indexed: 12/12/2022]
Abstract
BACKGROUND The impact of packed Red Blood Cell (pRBC) transfusion on oncological outcomes after liver transplantation (LT) for Hepatocellular Carcinoma (HCC) remains controversial. We evaluated the impact of pRBC transfusion on HCC recurrence and overall survival (OS) after LT for HCC. METHODS Patients with HCC transplanted between 2000 and 2018 were included and stratified by receipt of pRBC transfusion. Outcomes were HCC recurrence and OS. Propensity score matching was performed to account for confounders. RESULTS Of the 795 patients, 234 (29.4%) did not receive pRBC transfusion. After matching the 1-, 3-, and 5-year cumulative incidence of recurrence was 6.6%, 12.5% and 14.8% for no-pRBC transfusion, and 8.6%, 18.8% and 21.3% (p = 0.61) for pRBC transfusion. The OS at 1-, 3-, 5-year was 93.0%, 84.6% and 75.8% vs 92.0%, 79.7% and 73.5% (p = 0.83) for no-pRBC transfusion and pRBC transfusion, respectively. There were no differences in recurrence (HR 1.13, 95%CI 0.71-1.78, p = 0.61) or OS (HR 1.04, 95%CI 0.71-1.54, p = 0.83). CONCLUSION Perioperative administration of pRBC in liver transplant recipients for HCC resulted in a nonsignificant increase of HCC recurrence and death after accounting for confounder. Surgeons should continue to exercise cation and optimize patients iron stores medically preoperatively.
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Affiliation(s)
- Hala Muaddi
- Division of General Surgery, Department of Surgery, University of Toronto, Toronto, Ontario, Canada
| | - Phillipe Abreu
- Department of Surgery, University Health Network-Toronto General Hospital, Toronto, Ontario, Canada; Multi-Organ Transplant, University Health Network-Toronto General Hospital, Toronto, Ontario, Canada
| | - Tommy Ivanics
- Department of Surgery, University Health Network-Toronto General Hospital, Toronto, Ontario, Canada; Multi-Organ Transplant, University Health Network-Toronto General Hospital, Toronto, Ontario, Canada
| | - Marco Claasen
- Department of Surgery, University Health Network-Toronto General Hospital, Toronto, Ontario, Canada; Multi-Organ Transplant, University Health Network-Toronto General Hospital, Toronto, Ontario, Canada
| | - Peter Yoon
- Department of Surgery, University Health Network-Toronto General Hospital, Toronto, Ontario, Canada; Multi-Organ Transplant, University Health Network-Toronto General Hospital, Toronto, Ontario, Canada
| | - Andre Gorgen
- Department of Surgery, University Health Network-Toronto General Hospital, Toronto, Ontario, Canada; Multi-Organ Transplant, University Health Network-Toronto General Hospital, Toronto, Ontario, Canada
| | - David Al-Adra
- Division of Transplantation, Department of Surgery, University of Wisconsin School of Medicine and Public Health, Wisconsin, United States
| | - Adam Badenoch
- Department of Anesthesia & Pain Medicine, Flinders Medical Centre, South Australia, Australia; Department of Anesthesia and Pain Management, Toronto General Hospital, Toronto, Ontario, Canada
| | - Stuart McCluskey
- Department of Anesthesia and Pain Management, Toronto General Hospital, Toronto, Ontario, Canada
| | - Anand Ghanekar
- Division of General Surgery, Department of Surgery, University of Toronto, Toronto, Ontario, Canada; Department of Surgery, University Health Network-Toronto General Hospital, Toronto, Ontario, Canada; Multi-Organ Transplant, University Health Network-Toronto General Hospital, Toronto, Ontario, Canada
| | - Trevor Reichman
- Division of General Surgery, Department of Surgery, University of Toronto, Toronto, Ontario, Canada; Department of Surgery, University Health Network-Toronto General Hospital, Toronto, Ontario, Canada; Multi-Organ Transplant, University Health Network-Toronto General Hospital, Toronto, Ontario, Canada
| | - Gonzalo Sapisochin
- Division of General Surgery, Department of Surgery, University of Toronto, Toronto, Ontario, Canada; Department of Surgery, University Health Network-Toronto General Hospital, Toronto, Ontario, Canada; Multi-Organ Transplant, University Health Network-Toronto General Hospital, Toronto, Ontario, Canada.
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Liu LP, Zhao QY, Wu J, Luo YW, Dong H, Chen ZW, Gui R, Wang YJ. Machine Learning for the Prediction of Red Blood Cell Transfusion in Patients During or After Liver Transplantation Surgery. Front Med (Lausanne) 2021; 8:632210. [PMID: 33693019 PMCID: PMC7937729 DOI: 10.3389/fmed.2021.632210] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2020] [Accepted: 01/18/2021] [Indexed: 12/12/2022] Open
Abstract
Aim: This study aimed to use machine learning algorithms to identify critical preoperative variables and predict the red blood cell (RBC) transfusion during or after liver transplantation surgery. Study Design and Methods: A total of 1,193 patients undergoing liver transplantation in three large tertiary hospitals in China were examined. Twenty-four preoperative variables were collected, including essential population characteristics, diagnosis, symptoms, and laboratory parameters. The cohort was randomly split into a train set (70%) and a validation set (30%). The Recursive Feature Elimination and eXtreme Gradient Boosting algorithms (XGBOOST) were used to select variables and build machine learning prediction models, respectively. Besides, seven other machine learning models and logistic regression were developed. The area under the receiver operating characteristic (AUROC) was used to compare the prediction performance of different models. The SHapley Additive exPlanations package was applied to interpret the XGBOOST model. Data from 31 patients at one of the hospitals were prospectively collected for model validation. Results: In this study, 72.1% of patients in the training set and 73.2% in the validation set underwent RBC transfusion during or after the surgery. Nine vital preoperative variables were finally selected, including the presence of portal hypertension, age, hemoglobin, diagnosis, direct bilirubin, activated partial thromboplastin time, globulin, aspartate aminotransferase, and alanine aminotransferase. The XGBOOST model presented significantly better predictive performance (AUROC: 0.813) than other models and also performed well in the prospective dataset (accuracy: 76.9%). Discussion: A model for predicting RBC transfusion during or after liver transplantation was successfully developed using a machine learning algorithm based on nine preoperative variables, which could guide high-risk patients to take appropriate preventive measures.
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Affiliation(s)
- Le-Ping Liu
- Department of Blood Transfusion, The Third Xiangya Hospital of Central South University, Changsha, China
| | - Qin-Yu Zhao
- Department of Blood Transfusion, The Third Xiangya Hospital of Central South University, Changsha, China
- College of Engineering and Computer Science, Australian National University, Canberra, ACT, Australia
| | - Jiang Wu
- Department of Blood Transfusion, Renji Hospital Affiliated to Shanghai Jiao Tong University, Shanghai, China
| | - Yan-Wei Luo
- Department of Blood Transfusion, The Third Xiangya Hospital of Central South University, Changsha, China
| | - Hang Dong
- Department of Blood Transfusion, The Third Xiangya Hospital of Central South University, Changsha, China
| | - Zi-Wei Chen
- Department of Laboratory Medicine, The Third Xiangya Hospital of Central South University, Changsha, China
| | - Rong Gui
- Department of Blood Transfusion, The Third Xiangya Hospital of Central South University, Changsha, China
| | - Yong-Jun Wang
- Department of Blood Transfusion, The Second Xiangya Hospital of Central South University, Changsha, China
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Red blood cell transfusions and the survival in patients with cancer undergoing curative surgery: a systematic review and meta-analysis. Surg Today 2021; 51:1535-1557. [PMID: 33389174 DOI: 10.1007/s00595-020-02192-3] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Accepted: 10/26/2020] [Indexed: 02/08/2023]
Abstract
Allogenic red blood cell transfusions exert a potential detrimental effect on the survival when delivered to cancer patients undergoing surgery with curative intent. We performed a systematic review and meta-analysis to assess the association between perioperative allogenic red blood cell transfusions and risk of death as well as relapse after surgery for localized solid tumors. PubMed, the Cochrane Library, and EMBASE were searched from inception to March 2019 for studies reporting the outcome of patients receiving transfusions during radical surgery for non-metastatic cancer. Risk of death and relapse were pooled to provide an adjusted hazard ratio with a 95% confidence interval [hazard ratio (HR) (95% confidence interval {CI})]. Mortality and relapse associated with perioperative transfusion due to cancer surgery were evaluated among participants (n = 123 studies). Overall, RBC transfusions were associated with an increased risk of death [HR = 1.50 (95% CI 1.42-1.57), p < 0.01] and relapse [HR = 1.36 (95% CI 1.26-1.46), p < 0.01]. The survival was reduced even in cancer at early stages [HR = 1.45 (1.36-1.55), p < 0.01]. In cancer patients undergoing surgery, red blood cell transfusions reduced the survival and increased the risk of relapse. Transfusions based on patients' blood management policy should be performed by applying a more restrictive policy, and the planned preoperative administration of iron, if necessary, should be pursued.
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Smith NK, Demaria S, Katz D, Tabrizian P, Schwartz M, Miller JC, Hill B, Cardieri B, Kim SJ, Zerillo J. Intrathecal Morphine Administration Does Not Affect Survival After Liver Resection for Hepatocellular Carcinoma. Semin Cardiothorac Vasc Anesth 2019; 23:309-318. [DOI: 10.1177/1089253219832647] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Introduction. Opioids may influence tumor recurrence and cancer-free survival in hepatocellular carcinoma (HCC). The relationship between intrathecal morphine administration, tumor recurrence, and patient survival after hepatectomy for HCC is unknown. Patients and Methods. This single-center, retrospective study included 1837 liver resections between July 2002 and December 2012; 410 cases were incorporated in the final univariate and multivariate analysis. Confirmatory propensity matching yielded 65 matched pairs (intrathecal morphine vs none). Primary outcomes were recurrence of HCC and survival. Secondary outcomes included characterization of factors associated with recurrence and survival. Results. Groups were similar except for increased coronary artery disease in the no intrathecal morphine group. All patients received volatile anesthesia. Compared with no intrathecal morphine (N = 307), intrathecal morphine (N = 103) was associated with decreased intraoperative intravenous morphine administration (median difference = 12.5 mg; 95% confidence interval [CI] = 5-20 mg). There was no difference in blood loss, transfusion, 3- or 5-year survival, or recurrence in the univariate analysis. Multivariate analysis identified covariates that significantly correlated with 5-year survival: intrathecal morphine (hazard ratio [HR] = 0.527, 95% CI = 0.296-0.939), lesion diameter (HR = 1.099, 95% CI = 1.060-1.141), vascular invasion (HR = 1.658, 95% CI = 1.178-2.334), and satellite lesions (HR = 2.238, 95% CI = 1.447-3.463). Survival analysis on the propensity-matched pairs did not demonstrate a difference in 5-year recurrence or survival. Discussion and Conclusion. Multivariate analysis revealed a significant association between intrathecal morphine and 5-year survival. This association did not persist after propensity matching. The association between intrathecal morphine and HCC recurrence and survival remains unclear and prospective work is necessary to determine whether an association exists.
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Affiliation(s)
| | - Samuel Demaria
- Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Daniel Katz
- Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | | | - Myron Schwartz
- Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | | | - Bryan Hill
- The Ohio State University Wexner Medical Center, Columbus, OH, USA
| | | | - Sang J. Kim
- Hospital for Special Surgery, New York, NY, USA
| | - Jeron Zerillo
- Icahn School of Medicine at Mount Sinai, New York, NY, USA
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