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Kang M, Cho JY, Han HS, Yoon YS, Lee HW, Lee B, Park Y, Kim J. A Prospective Analysis of the Effects of a Powder-Type Hemostatic Agent on the Short-Term Outcomes after Liver Resection. MEDICINA (KAUNAS, LITHUANIA) 2024; 60:278. [PMID: 38399565 PMCID: PMC10889996 DOI: 10.3390/medicina60020278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/28/2023] [Revised: 01/26/2024] [Accepted: 02/02/2024] [Indexed: 02/25/2024]
Abstract
Background and Objectives: Postoperative bleeding is a significant cause of morbidity and mortality following liver resection. Therefore, it is crucial to minimize bleeding during liver resection and effectively manage it when it occurs. Arista® AH (Becton, Dickinson and Company, Franklin Lakes, NJ, USA) is a microporous polysaccharide hemosphere (MPH), a new plant-derived polysaccharide powder hemostat that can be applied to the entire surgical field. This study prospectively assessed the effectiveness of Arista for bleeding control when applied intraoperatively to the liver resection surface. Materials and Methods: Data were collected at Seoul National University Bundang Hospital for patients who underwent liver resection owing to malignant hepatocellular carcinoma or benign liver diseases. We compared the outcomes between 45 patients managed with Arista® AH (data were prospectively collected between September 2022 and May 2023) and 156 patients managed without the use of Arista® AH (data were retrospectively collected between January 2021 and December 2021). Results: There were no significant differences in patient characteristics between the two groups. The estimated blood loss (EBL) was significantly lower in the Arista® AH group compared with the control group (495.56 ± 672.7 mL vs. 691.9 ± 777.5 mL, p = 0.049). The mean postoperative hospital stay was significantly shorter in the Arista® AH group (5.93 ± 1.88 days vs. 6.94 ± 4.17 days, p = 0.024). The time to Jackson-Pratt drain removal was also significantly shorter in the Arista® AH group (4.64 ± 1.31 days vs. 5.30 ± 2.87 days, p = 0.030). The patient subgroup was divided into four categories based on the type of resection and the presence or absence of cirrhosis. Within the subgroup of major resections in non-cirrhotic patients, the Arista® AH group demonstrated significantly better outcomes compared to the control group, showed lower EBL, reduced need for blood transfusions, decreased volume of drain fluid collected within 48 h, earlier removal of drains, and shorter hospital stays. In contrast, for the other subgroups such as minor resection (both non-cirrhotic and cirrhotic) and major resection with cirrhosis, the differences between the Arista® AH and control groups in various parameters like EBL, blood transfusion rates, drain fluid volume, time to drain removal, and duration of hospital stay were not statistically significant. Conclusions: Arista® AH significantly improved intraoperative blood management and postoperative recovery in patients undergoing liver resection, particularly in non-cirrhotic patients who underwent major resection.
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Affiliation(s)
| | - Jai Young Cho
- Department of Surgery, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seoul 13620, Republic of Korea
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Liu J, Cao B, Luo Y, Chen X, Han H, Li L, Zeng J. Risk factors of major bleeding detected by machine learning method in patients undergoing liver resection with controlled low central venous pressure technique. Postgrad Med J 2023; 99:1280-1286. [PMID: 37794600 DOI: 10.1093/postmj/qgad087] [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: 06/22/2023] [Revised: 08/18/2023] [Accepted: 09/01/2023] [Indexed: 10/06/2023]
Abstract
BACKGROUND Controlled low central venous pressure (CLCVP) technique has been extensively validated in clinical practices to decrease intraoperative bleeding during liver resection process; however, no studies to date have attempted to propose a scoring method to better understand what risk factors might still be responsible for bleeding when CLCVP technique was implemented. METHODS We aimed to use machine learning to develop a model for detecting the risk factors of major bleeding in patients who underwent liver resection using CLCVP technique. We reviewed the medical records of 1077 patients who underwent liver surgery between January 2017 and June 2020. We evaluated the XGBoost model and logistic regression model using stratified K-fold cross-validation (K = 5), and the area under the receiver operating characteristic curve, the recall rate, precision rate, and accuracy score were calculated and compared. The SHapley Additive exPlanations was employed to identify the most influencing factors and their contribution to the prediction. RESULTS The XGBoost classifier with an accuracy of 0.80 and precision of 0.89 outperformed the logistic regression model with an accuracy of 0.76 and precision of 0.79. According to the SHapley Additive exPlanations summary plot, the top six variables ranked from most to least important included intraoperative hematocrit, surgery duration, intraoperative lactate, preoperative hemoglobin, preoperative aspartate transaminase, and Pringle maneuver duration. CONCLUSIONS Anesthesiologists should be aware of the potential impact of increased Pringle maneuver duration and lactate levels on intraoperative major bleeding in patients undergoing liver resection with CLCVP technique. What is already known on this topic-Low central venous pressure technique has already been extensively validated in clinical practices, with no prediction model for major bleeding. What this study adds-The XGBoost classifier outperformed logistic regression model for the prediction of major bleeding during liver resection with low central venous pressure technique. How this study might affect research, practice, or policy-anesthesiologists should be aware of the potential impact of increased PM duration and lactate levels on intraoperative major bleeding in patients undergoing liver resection with CLCVP technique.
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Affiliation(s)
- Jing Liu
- Department of Anesthesiology, the Eighth Affiliated Hospital, Sun Yat-sen University, Shenzhen 518033, China
| | - Bingbing Cao
- Department of Anesthesiology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510000, China
| | - Yuelian Luo
- Department of Anesthesiology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510000, China
| | - Xianqing Chen
- Department of Hepatobiliary and Pancreatic Surgery, the Eighth Affiliated Hospital, Sun Yat-sen University, Shenzhen 518033, China
| | - Hong Han
- Department of Anesthesiology, the Eighth Affiliated Hospital, Sun Yat-sen University, Shenzhen 518033, China
| | - Li Li
- Department of Anesthesiology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510000, China
| | - Jianfeng Zeng
- Department of Anesthesiology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510000, China
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Wisén E, Kvarnström A, Sand-Bown L, Rizell M, Pivodic A, Ricksten SE, Svennerholm K. Argipressin for prevention of blood loss during liver resection: a study protocol for a randomised, placebo-controlled, double-blinded trial (ARG-01). BMJ Open 2023; 13:e073270. [PMID: 37620260 PMCID: PMC10450082 DOI: 10.1136/bmjopen-2023-073270] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Accepted: 08/10/2023] [Indexed: 08/26/2023] Open
Abstract
INTRODUCTION Liver resection carries a high risk for extensive bleeding and need for blood transfusions, which is associated with significant negative impact on outcome. In malignant disease, the most common indication for surgery, it also includes increased risk for recurrence of cancer. Argipressin decreases liver and portal blood flow and may have the potential to reduce bleeding during liver surgery, although this has not been explored. METHOD AND ANALYSIS ARG-01 is a prospective, randomised, placebo-controlled, double-blinded study on 248 patients undergoing liver resection at Sahlgrenska University Hospital, Sweden. Patients will be randomised to one of two parallel groups, infusion of argipressin or normal saline administered peroperatively. The primary endpoint is peroperative blood loss. Secondary outcomes include need for blood transfusion, perioperative variables, length of hospital stay, the inflammatory response, organ damage markers and complications at 30 days. ETHICS AND DISSEMINATION The study is enrolling patients since March 2022. The trial is approved by the Swedish Ethical Review Authority (Dnr 2021-03557) and the Swedish Medical Product Agency (Dnr 5.1-2021-90115). Results will be announced at scientific meetings and in international peer-reviewed journals. TRIAL REGISTRATION NUMBER ClinicalTrials.gov, NCT05293041 and EudraCT, 2021-001806-32.
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Affiliation(s)
- Ellinor Wisén
- Department of Anaesthesiology and Intensive Care, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Västra Götaland, Sweden
- Department of Anaesthesia and Intensive Care, Sahlgrenska University Hospital, Gothenburg, Sweden
| | - Andreas Kvarnström
- Department of Anaesthesiology and Intensive Care, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Västra Götaland, Sweden
- Department of Anaesthesia and Intensive Care, Sahlgrenska University Hospital, Gothenburg, Sweden
| | - Lena Sand-Bown
- Department of Anaesthesia and Intensive Care, Sahlgrenska University Hospital, Gothenburg, Sweden
| | - Magnus Rizell
- Transplantation Center, Sahlgrenska University Hospital, Gothenburg, Sweden
- Deparment of Surgery, University of Gothenburg Institute of Clinical Sciences, Goteborg, Västra Götaland, Sweden
| | - Aldina Pivodic
- Department of Clinical Neuroscience, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
- APNC Sweden, Gothenburg, Sweden
| | - Sven-Erik Ricksten
- Department of Anaesthesiology and Intensive Care, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Västra Götaland, Sweden
| | - Kristina Svennerholm
- Department of Anaesthesiology and Intensive Care, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Västra Götaland, Sweden
- Department of Anaesthesia and Intensive Care, Sahlgrenska University Hospital, Gothenburg, Sweden
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Chitosan Lactate Particles for Non-Compression Hemostasis on Hepatic Resection. Polymers (Basel) 2023; 15:polym15030656. [PMID: 36771957 PMCID: PMC9920132 DOI: 10.3390/polym15030656] [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: 12/29/2022] [Revised: 01/18/2023] [Accepted: 01/24/2023] [Indexed: 01/31/2023] Open
Abstract
The liver is the most complex vascular anatomy of all human organs, with extremely rich blood flow and fragile texture. Massive liver bleeding usually occurs after traumatic liver injury, causing severe systematic issues. Thus, bleeding control is critical in hindering mortality rates and complications in patients. In this study, non-compression hemostasis materials based on chitosan lactate particles (CLP) were developed for handling liver bleeding after injuries. CLP showed good blood biocompatibility and antibacterial performance against S. aureus. Taking advantage of the vital capacity of CLP to promote red blood cell and platelet adhesion, CLP exhibited in vivo homeostasis properties as non-compression hemostasis materials for traumatic liver injury, both in SD rats, New Zealand rabbits, or in beagles. Whereas CLP has better hemostasis than the commercial hemostatic agent Celox™.
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Martel G, Lenet T, Wherrett C, Carrier FM, Monette L, Workneh A, Brousseau K, Ruel M, Chassé M, Collin Y, Vandenbroucke-Menu F, Hamel-Perreault É, Perreault MA, Park J, Lim S, Maltais V, Leung P, Gilbert RWD, Segedi M, Abou-Khalil J, Bertens KA, Balaa FK, Ramsay T, Fergusson DA. Phlebotomy resulting in controlled hypovolemia to prevent blood loss in major hepatic resections (PRICE-2): study protocol for a phase 3 randomized controlled trial. Trials 2023; 24:38. [PMID: 36653812 PMCID: PMC9848035 DOI: 10.1186/s13063-022-07008-y] [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: 10/22/2022] [Accepted: 12/12/2022] [Indexed: 01/19/2023] Open
Abstract
INTRODUCTION Blood loss and red blood cell (RBC) transfusion in liver surgery are areas of concern for surgeons, anesthesiologists, and patients alike. While various methods are employed to reduce surgical blood loss, the evidence base surrounding each intervention is limited. Hypovolemic phlebotomy, the removal of whole blood from the patient without volume replacement during liver transection, has been strongly associated with decreased bleeding and RBC transfusion in observational studies. This trial aims to investigate whether hypovolemic phlebotomy is superior to usual care in reducing RBC transfusions in liver resection. METHODS This study is a double-blind multicenter randomized controlled trial. Adult patients undergoing major hepatic resections for any indication will be randomly allocated in a 1:1 ratio to either hypovolemic phlebotomy and usual care or usual care alone. Exclusion criteria will be minor resections, preoperative hemoglobin <100g/L, renal insufficiency, and other contraindication to hypovolemic phlebotomy. The primary outcome will be the proportion of patients receiving at least one allogeneic RBC transfusion unit within 30 days of the onset of surgery. Secondary outcomes will include transfusion of other allogeneic blood products, blood loss, morbidity, mortality, and intraoperative physiologic parameters. The surgical team will be blinded to the intervention. Randomization will occur on the morning of surgery. The sample size will comprise 440 patients. Enrolment will occur at four Canadian academic liver surgery centers over a 4-year period. Ethics approval will be obtained at participating sites before enrolment. DISCUSSION The results of this randomized control trial will provide high-quality evidence regarding the use of hypovolemic phlebotomy in major liver resection and its effects on RBC transfusion. If proven to be effective, this intervention could become standard of care in liver operations internationally and become incorporated within perioperative patient blood management programs. TRIAL REGISTRATION ClinicalTrials.gov NCT03651154 . Registered on August 29 2018.
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Affiliation(s)
- Guillaume Martel
- grid.28046.380000 0001 2182 2255Liver and Pancreas Unit, Department of Surgery, The Ottawa Hospital– General Campus, University of Ottawa, 501 Smyth Road, CCW 1667, Ottawa, ON K1H 8L6 Canada ,grid.412687.e0000 0000 9606 5108Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, ON Canada
| | - Tori Lenet
- grid.28046.380000 0001 2182 2255Liver and Pancreas Unit, Department of Surgery, The Ottawa Hospital– General Campus, University of Ottawa, 501 Smyth Road, CCW 1667, Ottawa, ON K1H 8L6 Canada ,grid.412687.e0000 0000 9606 5108Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, ON Canada
| | - Christopher Wherrett
- grid.28046.380000 0001 2182 2255Departments of Anesthesiology and Pain Medicine, The Ottawa Hospital, University of Ottawa, Ottawa, ON Canada
| | - François-Martin Carrier
- grid.410559.c0000 0001 0743 2111Department of Anesthesiology, Centre Hospitalier de l’Université de Montréal, Université de Montréal, Montréal, QC Canada ,grid.410559.c0000 0001 0743 2111Department of Medicine, Critical Care Division, Centre Hospitalier de l’Université de Montréal, Université de Montréal, Montréal, QC Canada
| | - Leah Monette
- grid.28046.380000 0001 2182 2255Liver and Pancreas Unit, Department of Surgery, The Ottawa Hospital– General Campus, University of Ottawa, 501 Smyth Road, CCW 1667, Ottawa, ON K1H 8L6 Canada ,grid.412687.e0000 0000 9606 5108Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, ON Canada
| | - Aklile Workneh
- grid.28046.380000 0001 2182 2255Liver and Pancreas Unit, Department of Surgery, The Ottawa Hospital– General Campus, University of Ottawa, 501 Smyth Road, CCW 1667, Ottawa, ON K1H 8L6 Canada ,grid.412687.e0000 0000 9606 5108Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, ON Canada
| | - Karine Brousseau
- grid.28046.380000 0001 2182 2255Liver and Pancreas Unit, Department of Surgery, The Ottawa Hospital– General Campus, University of Ottawa, 501 Smyth Road, CCW 1667, Ottawa, ON K1H 8L6 Canada ,grid.412687.e0000 0000 9606 5108Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, ON Canada
| | - Monique Ruel
- grid.410559.c0000 0001 0743 2111Department of Anesthesiology, Centre Hospitalier de l’Université de Montréal, Université de Montréal, Montréal, QC Canada
| | - Michaël Chassé
- grid.410559.c0000 0001 0743 2111Department of Medicine, Critical Care Division, Centre Hospitalier de l’Université de Montréal, Université de Montréal, Montréal, QC Canada
| | - Yves Collin
- grid.411172.00000 0001 0081 2808Division of General Surgery, Department of Surgery, Centre Hospitalier Universitaire de Sherbrooke, Sherbrooke, QC Canada
| | - Franck Vandenbroucke-Menu
- grid.410559.c0000 0001 0743 2111Hepato-Pancreato-Biliary and Liver Transplantation Surgery Unit, Department of Surgery - Centre Hospitalier de l’Université de Montréal, Montréal, QC Canada
| | - Élodie Hamel-Perreault
- grid.411172.00000 0001 0081 2808Departement of Anesthesiology, Centre Hospitalier Universitaire de Sherbrooke, Sherbrooke, QC Canada
| | - Michel-Antoine Perreault
- grid.411172.00000 0001 0081 2808Departement of Anesthesiology, Centre Hospitalier Universitaire de Sherbrooke, Sherbrooke, QC Canada
| | - Jeieung Park
- grid.17091.3e0000 0001 2288 9830Department of Anesthesiology and Perioperative Care, Vancouver General Hospital, University of British Columbia, Vancouver, BC Canada
| | - Shirley Lim
- grid.17091.3e0000 0001 2288 9830Department of Anesthesiology and Perioperative Care, Vancouver General Hospital, University of British Columbia, Vancouver, BC Canada
| | - Véronique Maltais
- grid.17091.3e0000 0001 2288 9830Department of Surgery, Vancouver General Hospital, University of British Columbia, Vancouver, BC Canada
| | - Philemon Leung
- grid.17091.3e0000 0001 2288 9830Department of Surgery, Vancouver General Hospital, University of British Columbia, Vancouver, BC Canada
| | - Richard W. D. Gilbert
- grid.17091.3e0000 0001 2288 9830Department of Surgery, Vancouver General Hospital, University of British Columbia, Vancouver, BC Canada
| | - Maja Segedi
- grid.17091.3e0000 0001 2288 9830Department of Surgery, Vancouver General Hospital, University of British Columbia, Vancouver, BC Canada
| | - Jad Abou-Khalil
- grid.28046.380000 0001 2182 2255Liver and Pancreas Unit, Department of Surgery, The Ottawa Hospital– General Campus, University of Ottawa, 501 Smyth Road, CCW 1667, Ottawa, ON K1H 8L6 Canada
| | - Kimberly A. Bertens
- grid.28046.380000 0001 2182 2255Liver and Pancreas Unit, Department of Surgery, The Ottawa Hospital– General Campus, University of Ottawa, 501 Smyth Road, CCW 1667, Ottawa, ON K1H 8L6 Canada
| | - Fady K. Balaa
- grid.28046.380000 0001 2182 2255Liver and Pancreas Unit, Department of Surgery, The Ottawa Hospital– General Campus, University of Ottawa, 501 Smyth Road, CCW 1667, Ottawa, ON K1H 8L6 Canada
| | - Tim Ramsay
- grid.412687.e0000 0000 9606 5108Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, ON Canada
| | - Dean A. Fergusson
- grid.412687.e0000 0000 9606 5108Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, ON Canada
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Prevalence of nodal metastases in the individual lymph node stations for different T-stages in gastric cancer: a systematic review. Updates Surg 2023; 75:281-290. [PMID: 35962278 PMCID: PMC9852106 DOI: 10.1007/s13304-022-01347-w] [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: 03/20/2022] [Accepted: 07/30/2022] [Indexed: 01/24/2023]
Abstract
BACKGROUND Gastrectomy with lymph node dissection is the cornerstone of curative treatment of gastric cancer. Extent of lymphadenectomy may differ depending on T-stage, as the rate of lymph node metastases may differ. The objective of this systematic review is to investigate and compare the prevalence of nodal metastases in the individual lymph node stations between different T-stages. METHODS Data reporting and structure of this systematic review follows the PRISMA checklist. The Medline and PubMed databases were systematically searched. The search included the following Mesh terms: "Stomach Neoplasms", "Lymphatic Metastasis" and "Lymph Node Excision". The primary outcome was the highest prevalence of nodal metastases per T-stage. RESULTS The initial search resulted in 175 eligible articles. Five articles met the inclusion criteria and were accordingly analyzed. Concerning the lymph node stations 1 to 7, the lymph nodes along the lesser gastric curvature (station 3) show the highest metastases rate (T1: 5.5%, T2: 21.9%, T3: 41.9%, T4: 71.0%). Concerning the lymph node stations 8 to 20, the lymph nodes around the common hepatic artery (station 8) show the highest metastases rate (T1: 0.8%, T2: 7.9%, T3: 14.0%, T4: 28.2%). CONCLUSION An overall low prevalence of nodal metastases in the individual lymph node stations in early, T1 gastric carcinomas and an overall high prevalence in more advanced, T3 and T4 gastric carcinomas endorse a more tailored approach based on the different gastric T-stages. In addition, a less extensive lymphadenectomy seems justified in early T1 carcinoma. SYNOPSIS This systematic review provides an overview of the prevalence of nodal metastases for the individual lymph node stations between different T-stages, showing an overall low prevalence in early, T1 gastric carcinomas and an overall high prevalence in the more advanced, T3 and T4 gastric carcinomas.
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Roozen EA, Lomme RMLM, Calon NUB, Warlé MC, Van Goor H. Validity of a novel ex vivo porcine liver perfusion model for studying haemostatic products. Lab Anim 2022:236772221138398. [DOI: 10.1177/00236772221138398] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Introduction We developed a novel normothermic ex vivo porcine liver perfusion model with whole blood in order to have alternatives for animal experiments in the research and development of new local haemostatic agents. This study aims to assess the construct and content validity of this model. Methods In this study we performed two ex vivo experiments using nine livers and one in vivo experiment using six female Norsvin Topigs pigs: (1) ex vivo liver perfusion for establishing physiological blood parameters of the perfused liver and controlled heparinization, (2) ex vivo liver perfusion with a surgical injury and (3) a surgical liver injury in anaesthetized pigs with and without heparin. Results Ex vivo coagulation parameters were comparable to in vivo with heparin. Blood gas values and metabolic parameters were comparable between ex vivo and in vivo with heparin, but significantly different compared with in vivo baseline, with the exception of (partial pressure of oxygen (PO2). Activated clotting time (ACT) values significantly differed depending on the heparin doses. The coagulation parameters fibrinogen, activated partial thromboplastin time, prothrombin time and ACT were rather constant during the 4 h ex vivo perfusion. Haemostatic efficacy of commercially available products was comparable between in vivo with heparin and the ex vivo liver perfusion experiment. Conclusion This novel ex vivo liver perfusion model demonstrates good construct and content validity for at least 4 h of perfusion. The model is an easily accessible, table-top, tunable and effective alternative for the in vivo testing of (new) haemostatic products on their haemostatic properties. Validité d'un nouveau modèle de perfusion hépatique porcin ex-vivo pour l'étude des produits hémostatiques Résumé
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Affiliation(s)
| | | | | | | | - Harry Van Goor
- Radboud University Medical Centre, Department of Surgery, Nijmegen, The Netherlands
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Premature Macrophage Activation by Stored Red Blood Cell Transfusion Halts Liver Regeneration Post-Partial Hepatectomy in Rats. Cells 2022; 11:cells11213522. [DOI: 10.3390/cells11213522] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Revised: 11/03/2022] [Accepted: 11/03/2022] [Indexed: 11/09/2022] Open
Abstract
Liver resection is a common treatment for various conditions and often requires blood transfusions to compensate for operative blood loss. As partial hepatectomy (PHx) is frequently performed in patients with a pre-damaged liver, avoiding further injury is of paramount clinical importance. Our aim was to study the impact of red blood cell (RBC) resuscitation on liver regeneration. We assessed the impact of RBC storage time on liver regeneration following 50% PHx in rats and explored possible contributing molecular mechanisms using immunohistochemistry, RNA-Seq, and macrophage depletion. The liver was successfully regenerated after PHx when rats were transfused with fresh RBCs (F-RBCs). However, in rats resuscitated with stored RBCs (S-RBCs), the regeneration process was disrupted, as detected by delayed hepatocyte proliferation and lack of hypertrophy. The delayed regeneration was associated with elevated numbers of hemorrhage-activated liver macrophages (Mhem) secreting HO-1. Depletion of macrophages prior to PHx and transfusion improved the regeneration process. Gene expression profiling revealed alterations in numerous genes belonging to critical pathways, including cell cycle and DNA replication, and genes associated with immune cell activation, such as chemokine signaling and platelet activation and adhesion. Our results implicate activated macrophages in delayed liver regeneration following S-RBC transfusion via HO-1 and PAI-1 overexpression.
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Erkoç SK, Kırımker EO, Büyük S, Baskan EB, Yılmaz AA, Balcı D, Karayalçın K, Bayar MK. Reducing Risk for Acute Kidney Injury After Living Donor Hepatectomy by Protocolized Fluid Restriction: Single-Center Experience. Transplant Proc 2022; 54:2243-2247. [PMID: 36088129 DOI: 10.1016/j.transproceed.2022.08.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 07/07/2022] [Accepted: 08/02/2022] [Indexed: 11/18/2022]
Abstract
BACKGROUND Acute kidney injury (AKI) is a potential complication after restricted fluid therapy for major surgery. The aim of this study was to evaluate the incidence of AKI for living liver donor hepatectomy in which applied intraoperative protocolized fluid restriction was used targeting a low central venous pressure (CVP) level with high pulse pressure variation (PPV) and systolic pressure variation (SPV). MATERIAL AND METHODS Living liver donors were admitted for this retrospective observational study. Low CVP <5 mm Hg with high PPV<20% and SPV<15% were the targets of the clinical protocol to reduce intraoperative blood loss via protocolized fluid management until the end of the hepatic parenchymal division. KDIGO criteria were used for AKI definition. The SPSS version 11.5 program was used for statistical analysis. RESULTS The study included 130 patients, 79 (60.8%) men and 51 (39.2%) women, with from 18 to 58 years of age. Donors underwent right and left lobe hepatectomies (116 and 14, respectively). The baseline CVP, the lowest CVP of hepatectomy, and the highest CVP measured after hepatectomy were 7.45 ± 2.41, 4.28 ± 1.12, 7.67 ± 2.09 mm Hg, respectively. Only 4 patients with right lobe hepatectomy developed AKI stage I (3.1%) in the first 24 hours. The 4 patients were recovered at 48 hours postoperatively. CONCLUSION This study demonstrated that a CVP target of <5 mm Hg and high PPV/SPV via a simple fluid management modality with protocolized-fluid restriction until the procurement may not cause AKI in living liver donors in a closed follow-up anesthesia approach.
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Affiliation(s)
| | - Elvan Onur Kırımker
- Ankara University School of Medicine, Department of General Surgery, Ankara, Turkey
| | - Sevcan Büyük
- Ankara University School of Medicine, Department of Anesthesiology, Ankara, Turkey
| | - Elif Beyza Baskan
- Ankara University School of Medicine, Department of Anesthesiology, Ankara, Turkey
| | - Ali Abbas Yılmaz
- Ankara University School of Medicine, Department of Anesthesiology, Ankara, Turkey
| | - Deniz Balcı
- Ankara University School of Medicine, Department of General Surgery, Ankara, Turkey
| | - Kaan Karayalçın
- Ankara University School of Medicine, Department of General Surgery, Ankara, Turkey
| | - Mustafa Kemal Bayar
- Ankara University School of Medicine, Department of Anesthesiology, Ankara, Turkey
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Gas embolism under standard versus low pneumoperitoneum pressure during laparoscopic liver resection (GASES): study protocol for a randomized controlled trial. Trials 2021; 22:807. [PMID: 34781988 PMCID: PMC8591437 DOI: 10.1186/s13063-021-05678-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2021] [Accepted: 10/01/2021] [Indexed: 11/10/2022] Open
Abstract
Background Gas embolism induced by CO2 pneumoperitoneum is commonly identified as a risk factor for morbidity, especially cardiopulmonary morbidity, after laparoscopic liver resection (LLR) in adults. Increasing pneumoperitoneum pressure (PP) contributes to gas accumulation following laparoscopy. However, few studies have examined the effects of PP in the context of LLR. In LLR, the PP-central venous pressure (CVP) gradient is increased due to hepatic vein rupture, hepatic sinusoid exposure, and low CVP management, which together increase the risk of CO2 embolization. The aim of this study is to primarily determine the role of low PP (10 mmHg) on the incidence of severe gas embolism. Methods Adult participants (n = 140) undergoing elective LLR will be allocated to either a standard (15 mmHg) or low (10 mmHg) PP group. Anesthesia management, postoperative care, and other processes will be performed similarly in both groups. The occurrence of severe gas embolism, which is defined as gas embolism ≥ grade 3 according to the Schmandra microbubble method, will be detected by transesophageal echocardiography (TEE) and recorded as the primary outcome. The subjects will be followed up until discharge and followed up by telephone 1 and 3 months after surgery. Postoperative outcomes, such as the Post-Operative Quality of Recovery Scale, pain severity, and adverse events, will be assessed. Serum cardiac markers and inflammatory factors will also be assessed during the study period. The correlation between intraoperative inferior vena cava-collapsibility index (IVC-CI) under TEE and central venous pressure (CVP) will also be explored. Discussion This study is the first prospective randomized clinical trial to determine the effect of low versus standard PP on gas embolism using TEE during elective LLR. These findings will provide scientific and clinical evidence of the role of PP. Trial status Protocol version: version 1 of 21-08-2020 Trial registration ChiCTR2000036396 (http://www.chictr.org.cn). Registered on 22 August 2020. Supplementary Information The online version contains supplementary material available at 10.1186/s13063-021-05678-8.
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11
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Jongerius IM, Mungroop TH, Uz Z, Geerts BF, Immink RV, Rutten MVH, Hollmann MW, van Gulik TM, Besselink MG, Veelo DP. Goal-directed fluid therapy vs. low central venous pressure during major open liver resections (GALILEO): a surgeon- and patient-blinded randomized controlled trial. HPB (Oxford) 2021; 23:1578-1585. [PMID: 34001451 DOI: 10.1016/j.hpb.2021.03.013] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/26/2020] [Revised: 03/21/2021] [Accepted: 03/30/2021] [Indexed: 12/12/2022]
Abstract
BACKGROUND Low central venous pressure (low-CVP) is the clinical standard for fluid therapy during major liver surgery. Although goal-directed fluid therapy (GDFT) has been associated with reduced morbidity and mortality in major abdominal surgery, concerns remain on blood loss when applying GDFT in liver surgery. This randomized trial compared outcomes of low-CVP and GDFT during major liver resections. METHODS In this surgeon- and patient-blinded RCT, patients undergoing major open liver resections (≥3 segments) were randomized between low-CVP (n = 20) or GDFT (n = 20). Primary outcome was intraoperative blood loss. Secondary outcomes included the quality of the surgical field (VAS scale 0 (worst)-100 (best)) and major morbidity (≥grade 3 Clavien-Dindo). RESULTS During surgery, CVP was 3 ± 2 mmHg in the low-CVP group vs. 7 ± 3 mmHg in the GDFT group (P < 0.001). Blood loss (1425 vs. 1275 mL; P = 0.640) and the rate of major morbidity (40% vs. 50%, P = 0.751), did not differ between low-CVP and GDFT, respectively. The quality of the surgical field was comparable between groups (low-CVP 83% vs. GDFT 80%, P = 0.955). CONCLUSION In major open liver resections, GDFT was not associated with differences in intraoperative blood loss, major morbidity or quality of the surgical field, compared to low-CVP. Larger RCTs are needed to confirm this finding. Registration number: NTR5821 (www.trialregister.nl).
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Affiliation(s)
- Iris M Jongerius
- Amsterdam UMC, University of Amsterdam, Department of Anesthesiology, Meibergdreef 9, Amsterdam, the Netherlands
| | - Timothy H Mungroop
- Amsterdam UMC, University of Amsterdam, Department of Anesthesiology, Meibergdreef 9, Amsterdam, the Netherlands; Amsterdam UMC, University of Amsterdam, Department of Surgery, Cancer Center Amsterdam, Meibergdreef 9, Amsterdam, the Netherlands.
| | - Zühre Uz
- Amsterdam UMC, University of Amsterdam, Department of Surgery, Cancer Center Amsterdam, Meibergdreef 9, Amsterdam, the Netherlands
| | - Bart F Geerts
- Amsterdam UMC, University of Amsterdam, Department of Anesthesiology, Meibergdreef 9, Amsterdam, the Netherlands
| | - Rogier V Immink
- Amsterdam UMC, University of Amsterdam, Department of Anesthesiology, Meibergdreef 9, Amsterdam, the Netherlands
| | - Martin V H Rutten
- Amsterdam UMC, University of Amsterdam, Department of Anesthesiology, Meibergdreef 9, Amsterdam, the Netherlands
| | - Markus W Hollmann
- Amsterdam UMC, University of Amsterdam, Department of Anesthesiology, Meibergdreef 9, Amsterdam, the Netherlands
| | - Thomas M van Gulik
- Amsterdam UMC, University of Amsterdam, Department of Surgery, Cancer Center Amsterdam, Meibergdreef 9, Amsterdam, the Netherlands
| | - Marc G Besselink
- Amsterdam UMC, University of Amsterdam, Department of Surgery, Cancer Center Amsterdam, Meibergdreef 9, Amsterdam, the Netherlands
| | - Denise P Veelo
- Amsterdam UMC, University of Amsterdam, Department of Anesthesiology, Meibergdreef 9, Amsterdam, the Netherlands.
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12
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Infrahepatic Inferior Vena Cava Clamping Reduces Blood Loss during Liver Transection for Cholangiocarcinoma. Int J Hepatol 2021; 2021:1625717. [PMID: 34484836 PMCID: PMC8413082 DOI: 10.1155/2021/1625717] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/29/2021] [Revised: 07/14/2021] [Accepted: 08/04/2021] [Indexed: 11/17/2022] Open
Abstract
BACKGROUND Major hepatectomy is the mainstay of the treatment for cholangiocarcinoma. Infrahepatic inferior vena cava (IVC) clamping is an effective maneuver for reducing blood loss during liver transection. The impact of this procedure on major hepatectomy for cholangiocarcinoma is unknown. This study evaluated the effect of infrahepatic IVC clamping on blood loss during liver transection. METHODS Clinical and pathological data were collected retrospectively for 116 cholangiocarcinoma patients who underwent major hepatectomy between January 2015 and December 2016, to investigate the benefit of infrahepatic IVC clamping. Two of five surgeons adapted the policy performing infrahepatic IVC clamping during liver transection in all cases. Patients, therefore, were divided into those (n = 39; 33.6%) who received infrahepatic IVC clamping during liver transection (C1) and those (n = 77; 66.4%) who did not (C0). RESULTS The patients' backgrounds, operative parameters, and extent of hepatectomy did not differ significantly between the 2 groups, except for gender. A significantly lower blood loss (p = 0.028), blood transfusion (p = 0.011), and rate of vascular inflow occlusion requirement (p < 0.001) were observed in the C1 group. The respective blood losses in the C1 group and the C0 group were 498.9 (95% CI: 375.8-622.1) and 685.6 (95% CI: 571-800.2) millilitres. CONCLUSIONS The current study found infrahepatic IVC clamping during liver transection for cholangiocarcinoma reduces blood loss, blood transfusion, and rate of vascular inflow occlusion requirement.
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13
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Bodur MS, Tomas K, Topaloğlu S, Oğuz Ş, Küçükaslan H, Dohman D, Karabulut E, Çalık A. Effects of intraoperative blood loss during liver resection on patients’ outcome: a single- center experience. Turk J Med Sci 2021; 51:1388-1395. [PMID: 33576585 PMCID: PMC8283449 DOI: 10.3906/sag-2008-78] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Accepted: 02/11/2021] [Indexed: 12/04/2022] Open
Abstract
Background/aim Operative bleeding is one of the major determinants of outcome in liver surgery. This study aimed to describe the impact of intraoperative blood loss on the postoperative course of liver resection (LR). Materials and methods The data of 257 patients who were treated with LR between January 2007 and October 2018 were retrospectively analyzed. LRs were performed via intermittent portal triad clamping (PTC) under low central venous pressure. Results LRs were performed for 67.7% of patients with a malignant disease and 32.3% of patients with a benign disease. Major LR was performed in 89 patients (34.6%). The mean PTC period was 20.32 min (±13.7). The median intraoperative bleeding amount was 200 mL (5–3500 mL), the 30-day mortality rate was 4.3%, and the morbidity rate was 31.9%. The hospital stay (p = 0.002), morbidity (p = 0.009), and 30-day mortality (p = 0.041) of patients with a bleeding amount of more than 500 mL significantly increased. Conclusion Surgeons should consider the adverse effects of intraoperative bleeding during liver resection on patients’ outcome. Favorable outcomes would be obtained with diligent postoperative care.
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Affiliation(s)
- Muhammed Selim Bodur
- Department of Surgery, School of Medicine, Karadeniz Technical University, Trabzon, Turkey
| | - Kadir Tomas
- Department of Surgery, School of Medicine, Karadeniz Technical University, Trabzon, Turkey
| | - Serdar Topaloğlu
- Department of Surgery, School of Medicine, Karadeniz Technical University, Trabzon, Turkey
| | - Şükrü Oğuz
- Department of Radiology, School of Medicine, Karadeniz Technical University, Trabzon, Turkey
| | - Hakan Küçükaslan
- Department of Surgery, School of Medicine, Karadeniz Technical University, Trabzon, Turkey
| | - Davut Dohman
- Department of Anesthesiology, School of Medicine, Karadeniz Technical University, Trabzon, Turkey
| | - Erdem Karabulut
- Department of Biostatistics, Hacettepe University, Ankara, Turkey
| | - Adnan Çalık
- Department of Surgery, School of Medicine, Karadeniz Technical University, Trabzon, Turkey
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14
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Dang KT, Naka S, Yamada A, Tani T. Feasibility of Microwave-Based Scissors and Tweezers in Partial Hepatectomy: An Initial Assessment on Canine Model. Front Surg 2021; 8:661064. [PMID: 34222315 PMCID: PMC8247922 DOI: 10.3389/fsurg.2021.661064] [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: 01/30/2021] [Accepted: 05/24/2021] [Indexed: 11/18/2022] Open
Abstract
Purpose: This study aimed to assess the feasibility of partial hepatectomy (PH) simplified by using microwave-based devices in animal experiments. Methods: PH was performed on 16 beagles using either Acrosurg Scissors (AS) or Acrosurg Tweezers (AT) without hepatic pedicle (HP) control. Parenchymal transection time, Glissonean pedicle (GP) seal time, bleeding volume, bile leak, and burst pressure were recorded. Probable complications were investigated after 4 weeks. Results: Transection time (6.5 [6.0–7.6] vs. 11.8 [10.5–20.2] min, p < 0.001) with AT were significantly shorter than with AS. GP sealing times (60 [55–60] vs. 57 [46–91] s, p = 0.859) by both devices were nearly similar. Bleeding volume in the AT group was approximately one-fourth of that in the AS group (6.7 [1.4–22] vs. 28.8 [5.8–48] mL, p = 0.247). AT created higher burst pressure on the bile duct stumps (p = 0.0161). The two devices did not differ significantly in morbidity and mortality after four-week follow-up. Conclusion: Acrosurg devices achieved a safe PH without HP control owing to microwave-based sealing. AS could be used alone in PH, whereas the clamp-crushing function of AT seemed more advantageous in reducing the transection time and blood loss.
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Affiliation(s)
- Khiem Tran Dang
- Department of Research and Development for Innovative Medical Devices and Systems, Shiga University of Medical Science, Otsu, Japan.,Department of Surgery, University of Medicine and Pharmacy at Ho Chi Minh City, Ho Chi Minh City, Vietnam
| | - Shigeyuki Naka
- Department of Surgery, Shiga University of Medical Science, Otsu, Japan.,Department of Surgery, Hino Memorial Hospital, Hino, Japan
| | - Atsushi Yamada
- Department of Research and Development for Innovative Medical Devices and Systems, Shiga University of Medical Science, Otsu, Japan
| | - Tohru Tani
- Department of Research and Development for Innovative Medical Devices and Systems, Shiga University of Medical Science, Otsu, Japan
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15
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Makdissi FF, de Mattos BVH, Kruger JAP, Jeismann VB, Coelho FF, Herman P. A Combined "Hanging Liver Maneuver" and "Intrahepatic Extra-Glissonian Approach" for Anatomical Right Hepatectomy: Technique Standardization, Results, and Correlation With Portal Pedicle Anatomy. Front Surg 2021; 8:690408. [PMID: 34095213 PMCID: PMC8175898 DOI: 10.3389/fsurg.2021.690408] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Accepted: 04/22/2021] [Indexed: 11/17/2022] Open
Abstract
Background: The hanging liver maneuver and intrahepatic extra-Glissonian approach are distinct modalities to facilitate safe anatomical liver resections. This study reports a standardized combination of these techniques focusing on safety, results and correlation with portal pedicle anatomy in oncological patients. Method: Combined hanging liver maneuver and intrahepatic extra-Glissonian approach for anatomic right hepatectomy was described stepwise. Portal pedicle anatomy was correlated with the Glissonian approach failure and complications. Clinical characteristics of patients, perioperative outcomes, short and long-term survival rates were analyzed. Results: Thirty colorectal liver metastases patients submitted to the combined approach were evaluated. Anatomical variations of the right portal pedicle were present in 26.6%. Hanging liver maneuver was feasible in 100%, and Glissonian approach in 96.7% despite portal pedicle variations. Mean operative time was 326 min. Mean blood loss was 507 ml. Mean hospital stay was 8 days. There was no 90-day operative mortality and no significant morbidity. Oncological surgical margins were free. Overall and disease-free 5-year survival were 59 and 37%. Conclusion: Regardless of frequent anatomical variations of the right portal pedicle, the hanging liver maneuver, and intrahepatic extra-Glissonian approach can be combined, being useful for anatomical right hepatectomies in a safe and reproducible way in most patients.
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Affiliation(s)
- Fabio Ferrari Makdissi
- Digestive Surgery Division, Department of Gastroenterology, Hospital das Clínicas, Instituto do Câncer do Estado de São Paulo (ICESP), University of São Paulo School of Medicine, São Paulo, Brazil
| | - Bruno Vinicius Hortences de Mattos
- Digestive Surgery Division, Department of Gastroenterology, Hospital das Clínicas, Instituto do Câncer do Estado de São Paulo (ICESP), University of São Paulo School of Medicine, São Paulo, Brazil
| | - Jaime Arthur Pirola Kruger
- Digestive Surgery Division, Department of Gastroenterology, Hospital das Clínicas, Instituto do Câncer do Estado de São Paulo (ICESP), University of São Paulo School of Medicine, São Paulo, Brazil
| | - Vagner Birk Jeismann
- Digestive Surgery Division, Department of Gastroenterology, Hospital das Clínicas, Instituto do Câncer do Estado de São Paulo (ICESP), University of São Paulo School of Medicine, São Paulo, Brazil
| | - Fabricio Ferreira Coelho
- Digestive Surgery Division, Department of Gastroenterology, Hospital das Clínicas, Instituto do Câncer do Estado de São Paulo (ICESP), University of São Paulo School of Medicine, São Paulo, Brazil
| | - Paulo Herman
- Digestive Surgery Division, Department of Gastroenterology, Hospital das Clínicas, Instituto do Câncer do Estado de São Paulo (ICESP), University of São Paulo School of Medicine, São Paulo, Brazil
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Gao X, Xiong Y, Huang J, Zhang N, Li J, Zheng S, Lu K, Ma D, Yang B, Ning J. The Effect of Mechanical Ventilation With Low Tidal Volume on Blood Loss During Laparoscopic Liver Resection: A Randomized Controlled Trial. Anesth Analg 2021; 132:1033-1041. [PMID: 33060490 DOI: 10.1213/ane.0000000000005242] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
BACKGROUND Control of bleeding during laparoscopic liver resection (LLR) is important for patient safety. It remains unknown what the effects of mechanical ventilation with varying tidal volumes on bleeding during LLR. Thus, this study aims to investigate whether mechanical ventilation with low tidal volume (LTV) reduces surgical bleeding during LLR. METHODS In this prospective, randomized, and controlled clinical study, 82 patients who underwent scheduled LLR were enrolled and randomly received either mechanical ventilation with LTV group (6-8 mL/kg) along with recruitment maneuver (once/30 min) without positive end-expiratory pressure (PEEP) or conventional tidal volume (CTV; 10-12 mL/kg) during parenchymal resection. The estimated volume of blood loss during parenchymal resection and the incidence of postoperative respiratory complications were compared between 2 groups. RESULT The estimated volume of blood loss (median [interquartile range {IQR}]) was decreased in the LTV group compared to the CTV group (301 [148, 402] vs 394 [244, 672] mL, P = .009); blood loss per cm2 of transected surface of liver (5.5 [4.1, 7.7] vs 12.2 [9.8, 14.4] mL/cm2, P < .001) and the risk of clinically significant estimated blood loss (>800 mL) were reduced in the LTV group compared to the CTV group (0/40 vs 8/40, P = .003). Blood transfusion was decreased in the LTV group compared to the CTV group (5% vs 20% of patients, P = .043). No patient in the LTV group but 2 patients in the CTV group were switched from LLR to open hepatectomy. Airway plateau pressure was lower in the LTV group compared to the CTV group (mean ± standard deviation [SD]) (12.7 ± 2.4 vs 17.5 ± 3.5 cm H2O, P = .002). CONCLUSIONS Mechanical ventilation with LTV may reduce bleeding during laparoscopic liver surgery.
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Affiliation(s)
- Xian Gao
- From the Department of Anesthesiology
| | - Ya Xiong
- From the Department of Anesthesiology
| | | | | | - Jianwei Li
- Department of Hepatology, Southwest Hospital, Third Military Medical University, Chongqing, China
| | - Shuguo Zheng
- Department of Hepatology, Southwest Hospital, Third Military Medical University, Chongqing, China
| | - Kaizhi Lu
- From the Department of Anesthesiology
| | - Daqing Ma
- Division of Anaesthetics, Pain Medicine and Intensive Care, Department of Surgery and Cancer, Faculty of Medicine, Imperial College London, Chelsea and Westminster Hospital, London, United Kingdom
| | - Bin Yang
- Department of Anesthesiology, Chongqing University Cancer Hospital, Chongqing, China
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17
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Zhang EL, Huang ZY, Chen XP. Rationality and necessity of vascular stapler application during liver resection (Review). Exp Ther Med 2021; 21:498. [PMID: 33791007 PMCID: PMC8005682 DOI: 10.3892/etm.2021.9929] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Accepted: 02/17/2021] [Indexed: 12/07/2022] Open
Abstract
Liver resection (LR) is the primary treatment method for patients with hepatocellular carcinoma (HCC). Improving surgical safety and reducing surgical morbidity and mortality is important for patients receiving LR. Various devices have been developed to facilitate vascular transection to reduce intraoperative blood loss, which is considered to be a predictor of poor surgical outcomes in patients undergoing LR. Vascular staplers have been widely applied for the division of major vascular and biliary structures in the process of LR; however, when and how to use these tools remains controversial. This review aims to report the rationality and necessity of using vascular staplers in vessel transection during liver surgery. Due to the risk of intraoperative and postoperative hemorrhage and biliary fistula, the process of transection of the portal pedicle and hepatic vein is a crucial step during LR. Stapling represents a vascular dissection technique that is widely used in laparoscopic LR and has then been popularized in open LR. Advocates argue that stapler transection methods provide several advantages, including diminished blood loss, fewer transfusion requirements and shorter operative times. However, other studies have failed to demonstrate those benefits when using these tools compared with the simple clamp-crushing technique. Using the stapler vascular transection method resulted in smaller surgical margins and similar surgical outcomes compared with those of the clamp-crushing vascular transection method. However, the intraoperative use of vascular staplers may significantly increase the financial burden of liver resection for patients with HCC, while not improving short- and long-term outcomes. Therefore, it has been suggested that vascular staplers should not be routinely used in LR. The current review discussed the above points and recommended that the stapling transection of the portal pedicle and hepatic vein should be applied during laparoscopic LR in a rational manner. However, the suturing ligation method should be routinely used in open LR.
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Affiliation(s)
- Er-Lei Zhang
- Hepatic Surgery Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, P.R. China
| | - Zhi-Yong Huang
- Hepatic Surgery Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, P.R. China
| | - Xiao-Ping Chen
- Hepatic Surgery Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, P.R. China
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18
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Khajeh E, Shafiei S, Al-Saegh SAH, Ramouz A, Hammad A, Ghamarnejad O, Al-Saeedi M, Rahbari N, Reissfelder C, Mehrabi A, Probst P, Oweira H. Meta-analysis of the effect of the pringle maneuver on long-term oncological outcomes following liver resection. Sci Rep 2021; 11:3279. [PMID: 33558606 PMCID: PMC7870962 DOI: 10.1038/s41598-021-82291-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Accepted: 01/12/2021] [Indexed: 12/13/2022] Open
Abstract
Hepatic pedicle clamping reduces intraoperative blood loss and the need for transfusion, but its long-term effect on survival and recurrence remains controversial. The aim of this meta-analysis was to evaluate the effect of the Pringle maneuver (PM) on long-term oncological outcomes in patients with primary or metastatic liver malignancies who underwent liver resection. Literature was searched in the Cochrane Central Register of Controlled Trials (CENTRAL), Medline (via PubMed), and Web of Science databases. Survival was measured as the survival rate or as a continuous endpoint. Pooled estimates were represented as odds ratios (ORs) using the Mantel–Haenszel test with a random-effects model. The literature search retrieved 435 studies. One RCT and 18 NRS, including 7480 patients who underwent liver resection with the PM (4309 cases) or without the PM (3171 cases) were included. The PM did not decrease the 1-year overall survival rate (OR 0.86; 95% CI 0.67–1.09; P = 0.22) or the 3- and 5-year overall survival rates. The PM did not decrease the 1-year recurrence-free survival rate (OR 1.06; 95% CI 0.75–1.50; P = 0.75) or the 3- and 5-year recurrence-free survival rates. There is no evidence that the Pringle maneuver has a negative effect on recurrence-free or overall survival rates.
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Affiliation(s)
- Elias Khajeh
- Division of Liver Surgery and Visceral Transplantation, Department of General, Visceral, and Transplantation Surgery, University of Heidelberg, Im Neuenheimer Feld 420, 69120, Heidelberg, Germany
| | - Saeed Shafiei
- Division of Liver Surgery and Visceral Transplantation, Department of General, Visceral, and Transplantation Surgery, University of Heidelberg, Im Neuenheimer Feld 420, 69120, Heidelberg, Germany
| | - Sadeq Ali-Hasan Al-Saegh
- Division of Liver Surgery and Visceral Transplantation, Department of General, Visceral, and Transplantation Surgery, University of Heidelberg, Im Neuenheimer Feld 420, 69120, Heidelberg, Germany
| | - Ali Ramouz
- Division of Liver Surgery and Visceral Transplantation, Department of General, Visceral, and Transplantation Surgery, University of Heidelberg, Im Neuenheimer Feld 420, 69120, Heidelberg, Germany
| | - Ahmed Hammad
- Division of Liver Surgery and Visceral Transplantation, Department of General, Visceral, and Transplantation Surgery, University of Heidelberg, Im Neuenheimer Feld 420, 69120, Heidelberg, Germany
| | - Omid Ghamarnejad
- Division of Liver Surgery and Visceral Transplantation, Department of General, Visceral, and Transplantation Surgery, University of Heidelberg, Im Neuenheimer Feld 420, 69120, Heidelberg, Germany
| | - Mohammed Al-Saeedi
- Division of Liver Surgery and Visceral Transplantation, Department of General, Visceral, and Transplantation Surgery, University of Heidelberg, Im Neuenheimer Feld 420, 69120, Heidelberg, Germany
| | - Nuh Rahbari
- Department of Surgery, Universitätsmedizin Mannheim, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Christoph Reissfelder
- Department of Surgery, Universitätsmedizin Mannheim, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Arianeb Mehrabi
- Division of Liver Surgery and Visceral Transplantation, Department of General, Visceral, and Transplantation Surgery, University of Heidelberg, Im Neuenheimer Feld 420, 69120, Heidelberg, Germany. .,Liver Cancer Center Heidelberg (LCCH), Heidelberg, Germany.
| | - Pascal Probst
- Division of Liver Surgery and Visceral Transplantation, Department of General, Visceral, and Transplantation Surgery, University of Heidelberg, Im Neuenheimer Feld 420, 69120, Heidelberg, Germany
| | - Hani Oweira
- Department of Surgery, Universitätsmedizin Mannheim, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
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Choi YI. The usefulness of the totally intra-corporeal pringle maneuver with Penrose drain tube during laparoscopic left side liver resection. Ann Hepatobiliary Pancreat Surg 2020; 24:252-258. [PMID: 32843589 PMCID: PMC7452809 DOI: 10.14701/ahbps.2020.24.3.252] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/12/2020] [Revised: 04/15/2020] [Accepted: 04/17/2020] [Indexed: 11/17/2022] Open
Abstract
Backgrounds/Aims The Pringle maneuver is generally performed to reduce the amount of blood loss during hepatic resection. During laparoscopic liver resection, the Pringle maneuver can be used in several ways. We have developed a new Pringle maneuver (PM) with Penrose drain tube to sufficiently control blood loss during laparoscopic liver resection. This study was performed to determine the safety and outcome during laparoscopic left-sided hepatectomy performed using this new method. Methods We describe the technique and results of the left-sided liver resection with totally intracorporeal PM with Penrose drain tube. We performed 37 laparoscopic left-sided hepatic resections with (PM group) or without the Penrose PM (No PM group). We retrospectively compared the short-term operative outcome between the No PM group (n=12) and the PM group (n=25) during laparoscopic left-sided liver resection. Results Median PM duration was 34.3 min. The median duration of the surgery using the totally intracorporeal PM with Penrose drain tube was 174 min, while the surgical duration required for resection without the PM was 156 min. The median volume of operative blood loss was lower in the PM group than in the No PM group (No PM group (341 ml) vs. PM group (165 ml)). There was no postoperative mortality and no open conversion. Conclusions The totally intracorporeal PM with Penrose drain tube for laparoscopic hepatectomy is safe, reproducible, and can facilitate liver dissection during left-sided liver resection.
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Affiliation(s)
- Young Il Choi
- Department of Surgery, Kosin University Gospel Hospital, Kosin University College of Medicine, Busan, Korea
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20
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Haemostatic Efficacy of Topical Agents During Liver Resection: A Network Meta-Analysis of Randomised Trials. World J Surg 2020; 44:3461-3469. [PMID: 32488664 DOI: 10.1007/s00268-020-05621-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
BACKGROUND Hepatic resection carries a high risk of parenchymal bleeding both intra- and post-operatively. Topical haemostatic agents are frequently used to control bleeding during hepatectomy, with multiple products currently available. However, it remains unknown which of these is most effective for achieving haemostasis and improving peri-operative outcomes. METHODS A systematic review and random-effects Bayesian network meta-analysis of randomised trials investigating topical haemostatic agents in hepatic resection was performed. Interventions were analysed by grouping into similar products; fibrin patch, fibrin glue, collagen products, and control. Primary outcomes were the rate of haemostasis at 4 and 10 min. RESULTS Twenty randomized controlled trials were included in the network meta-analysis, including a total of 3267 patients and 7 different interventions. Fibrin glue and fibrin patch were the most effective interventions for achieving haemostasis at both 4 and 10 min. There were no significant differences between haemostatic agents with respect to blood loss, transfusion requirements, bile leak, post-operative complications, reoperation, or mortality. CONCLUSIONS Amongst the haemostatic agents currently available, fibrin patch and fibrin glue are the most effective methods for reducing time to haemostasis during liver resection, but have no effect on other peri-operative outcomes. Topical haemostatic agents should not be used routinely, but may be a useful adjunct to achieve haemostasis when needed.
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The effect of low central venous pressure on hepatic surgical field bleeding and serum lactate in patients undergoing partial hepatectomy: a prospective randomized controlled trial. BMC Surg 2020; 20:25. [PMID: 32019557 PMCID: PMC7001244 DOI: 10.1186/s12893-020-0689-z] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2019] [Accepted: 01/24/2020] [Indexed: 12/31/2022] Open
Abstract
Background This prospective randomized controlled study was designed to evaluate the effect of fluid restriction alone versus fluid restriction + low central venous pressure (CVP) on hepatic surgical field bleeding, intraoperative blood loss, and the serum lactate concentration in patients undergoing partial hepatectomy. Methods One hundred forty patients undergoing partial hepatectomy with intraoperative portal triad clamping were randomized into a fluid restriction group (Group F) or fluid restriction + low CVP group (Group L). Both groups received limited fluid infusion before the liver lesions were removed. Ephedrine was administered if the systolic blood pressure (SBP) decreased to <90 mmHg for 1 min. When the urine output was <20 ml/h or the SBP was <90 mmHg for 1 min more than three times, an additional 200 ml of crystalline solution was quickly infused within 10 min. In addition to fluid restriction, patients in Group L received continuous nitroglycerin and esmolol infusion to maintain a low CVP. The duration of portal triad clamping, frequency of additional fluid infusion, frequency of ephedrine administration, intraoperative blood loss, extent of liver resection, and bleeding score of the hepatic surgical field were recorded. Arterial blood gas analysis was performed before anesthesia (T1), after liver dissection and immediately before liver resection (T2), 10 min after removal of the liver lesion (T3), and before the patient was discharged from the postanesthesia care unit (T4). Results Being in the fluid restriction Group (Group F) (odds ratio = 5.04) and cirrhosis (odds ratio = 3.28) were risk factors for hepatic surgical field bleeding. Factors contributing to intraoperative blood loss were the operation time, duration of portal triad clamping, and extent of resection. No significant between-group difference was observed for blood loss or blood transfusion. The serum lactate concentration peaked at T3 in both groups. Conclusions Maintaining a lower CVP during hepatectomy provides an optimal surgical field but has no significant effect on intraoperative blood loss. Moreover, lower CVP does not increase the serum lactate concentration. Trial registration “A comparative study of the effect fluid restriction and low CVP pressure on the oozing of blood in liver wounds and blood lactate in patients undergoing partial hepatectomy” was prospectively registered as a trial (registration number: ChiCTR-INR-17014172, date of registration: 27 December 2017).
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Martel G, Baker L, Wherrett C, Fergusson DA, Saidenberg E, Workneh A, Saeed S, Gadbois K, Jee R, McVicar J, Rao P, Thompson C, Wong P, Abou Khalil J, Bertens KA, Balaa FK. Phlebotomy resulting in controlled hypovolaemia to prevent blood loss in major hepatic resections (PRICE-1): a pilot randomized clinical trial for feasibility. Br J Surg 2020; 107:812-823. [PMID: 31965573 DOI: 10.1002/bjs.11463] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Revised: 09/28/2019] [Accepted: 11/15/2019] [Indexed: 01/28/2023]
Abstract
BACKGROUND Major liver resection is associated with blood loss and transfusion. Observational data suggest that hypovolaemic phlebotomy can reduce these risks. This feasibility RCT compared hypovolaemic phlebotomy with the standard of care, to inform a future multicentre trial. METHODS Patients undergoing major liver resections were enrolled between June 2016 and January 2018. Randomization was done during surgery and the surgeons were blinded to the group allocation. For hypovolaemic phlebotomy, 7-10 ml per kg whole blood was removed, without intravenous fluid replacement. Co-primary outcomes were feasibility and estimated blood loss (EBL). RESULTS A total of 62 patients were randomized to hypovolaemic phlebotomy (31) or standard care (31), at a rate of 3·1 patients per month, thus meeting the co-primary feasibility endpoint. The median EBL difference was -111 ml (P = 0·456). Among patients at high risk of transfusion, the median EBL difference was -448 ml (P = 0·069). Secondary feasibility endpoints were met: enrolment, blinding and target phlebotomy (mean(s.d.) 7·6(1·9) ml per kg). Blinded surgeons perceived that parenchymal resection was easier with hypovolaemic phlebotomy than standard care (16 of 31 versus 10 of 31 respectively), and guessed that hypovolaemic phlebotomy was being used with an accuracy of 65 per cent (20 of 31). There was no significant difference in overall complications (10 of 31 versus 15 of 31 patients), major complications or transfusion. Among those at high risk, transfusion was required in two of 15 versus three of nine patients (P = 0·326). CONCLUSION Endpoints were met successfully, but no difference in EBL was found in this feasibility study. A multicentre trial (PRICE-2) powered to identify a difference in perioperative blood transfusion is justified. Registration number: NCT02548910 ( http://www.clinicaltrials.gov).
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Affiliation(s)
- G Martel
- Liver and Pancreas Unit, Department of Surgery, Ottawa Hospital, University of Ottawa, Ottawa, Ontario, Canada.,Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada
| | - L Baker
- Liver and Pancreas Unit, Department of Surgery, Ottawa Hospital, University of Ottawa, Ottawa, Ontario, Canada.,Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada
| | - C Wherrett
- Department of Anesthesiology and Pain Medicine, Ottawa Hospital, University of Ottawa, Ottawa, Ontario, Canada
| | - D A Fergusson
- Liver and Pancreas Unit, Department of Surgery, Ottawa Hospital, University of Ottawa, Ottawa, Ontario, Canada.,Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada
| | - E Saidenberg
- Department of Medicine, Ottawa Hospital, University of Ottawa, Ottawa, Ontario, Canada
| | - A Workneh
- Liver and Pancreas Unit, Department of Surgery, Ottawa Hospital, University of Ottawa, Ottawa, Ontario, Canada.,Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada
| | - S Saeed
- Liver and Pancreas Unit, Department of Surgery, Ottawa Hospital, University of Ottawa, Ottawa, Ontario, Canada.,Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada
| | - K Gadbois
- Department of Anesthesiology and Pain Medicine, Ottawa Hospital, University of Ottawa, Ottawa, Ontario, Canada
| | - R Jee
- Department of Anesthesiology and Pain Medicine, Ottawa Hospital, University of Ottawa, Ottawa, Ontario, Canada
| | - J McVicar
- Department of Anesthesiology and Pain Medicine, Ottawa Hospital, University of Ottawa, Ottawa, Ontario, Canada
| | - P Rao
- Department of Anesthesiology and Pain Medicine, Ottawa Hospital, University of Ottawa, Ottawa, Ontario, Canada
| | - C Thompson
- Department of Anesthesiology and Pain Medicine, Ottawa Hospital, University of Ottawa, Ottawa, Ontario, Canada
| | - P Wong
- Department of Anesthesiology and Pain Medicine, Ottawa Hospital, University of Ottawa, Ottawa, Ontario, Canada
| | - J Abou Khalil
- Liver and Pancreas Unit, Department of Surgery, Ottawa Hospital, University of Ottawa, Ottawa, Ontario, Canada
| | - K A Bertens
- Liver and Pancreas Unit, Department of Surgery, Ottawa Hospital, University of Ottawa, Ottawa, Ontario, Canada.,Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada
| | - F K Balaa
- Liver and Pancreas Unit, Department of Surgery, Ottawa Hospital, University of Ottawa, Ottawa, Ontario, Canada
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Severinov D, Lazarenko S, Sotnikov K, Pohozhay V, Ansimova P, Lipatov V. In vitro Evaluation of Performance Properties of Sponge Hemostatic Dressings (Review). Sovrem Tekhnologii Med 2020; 12:139-146. [PMID: 34513047 PMCID: PMC8353698 DOI: 10.17691/stm2020.12.1.16] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2018] [Indexed: 11/19/2022] Open
Abstract
Dressings for restoring organ defects and/or hemostasis in the injury site are being actively applied in operational units. These dressings are used in various surgeries and are widely represented in the foreign and domestic markets of medical products. Many local implants have different levels of hemostatic activity, which requires standardization of the algorithm of choice and the methods of their study. Here the methods of studying the performance properties of hemostatic implants in vitro have been considered and evaluation criteria of their physical, chemical and organoleptic properties in vitro have been proposed. This will allow a researcher to choose optimal variants of samples for further experiments on biological models more effectively as well as to save funds, time and reduce the number of experiments in vivo.
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Affiliation(s)
- D.A. Severinov
- Assistant, Department of Human Anatomy, Kursk State Medical University, 3 K. Marx St., Kursk, 305041, Russia
| | - S.V. Lazarenko
- Assistant, Department of Oncology, Kursk State Medical University, 3 K. Marx St., Kursk, 305041, Russia
| | - K.A. Sotnikov
- Radiologist, Computer Tomography Unit, Department of Radiodiagnostics, S.P. Botkin City Clinical Hospital, Moscow Department of Public Health, 5, 2-y Botkinskiy Proezd, Moscow, 125284, Russia
| | - V.V. Pohozhay
- Associate Professor, Department of Oncology, Gomel State Medical University, 5 Lange St., Gomel, 246000, Republic of Belarus
| | - P.V. Ansimova
- Student, Kursk State Medical University, 3 K. Marx St., Kursk, 305041, Russia
| | - V.A. Lipatov
- Associate Professor, Professor, Department of Operative Surgery and Topographic Anatomy, Kursk State Medical University, 3 K. Marx St., Kursk, 305041, Russia
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Two-stage goal-directed therapy protocol for non-donor open hepatectomy: an interventional before–after study. J Anesth 2019; 33:656-664. [DOI: 10.1007/s00540-019-02688-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2019] [Accepted: 09/23/2019] [Indexed: 12/13/2022]
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25
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Wang Z, Tang W, Hu M, Zhao Z, Zhao G, Li C, Tan X, Zhang X, Lau WY, Liu R. Robotic vs laparoscopic hemihepatectomy: A comparative study from a single center. J Surg Oncol 2019; 120:646-653. [DOI: 10.1002/jso.25640] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2019] [Accepted: 06/25/2019] [Indexed: 12/14/2022]
Affiliation(s)
- Zi‐Zheng Wang
- Department of Hepatopancreatobiliary Surgical Oncology, Military Institution of Hepatopancreatobiliary SurgeryThe First Medical Center of Chinese People's Liberation Army (PLA) General HospitalBeijing China
| | - Wen‐Bo Tang
- Department of Hepatopancreatobiliary Surgical Oncology, Military Institution of Hepatopancreatobiliary SurgeryThe First Medical Center of Chinese People's Liberation Army (PLA) General HospitalBeijing China
| | - Ming‐Gen Hu
- Department of Hepatopancreatobiliary Surgical Oncology, Military Institution of Hepatopancreatobiliary SurgeryThe First Medical Center of Chinese People's Liberation Army (PLA) General HospitalBeijing China
| | - Zhi‐Ming Zhao
- Department of Hepatopancreatobiliary Surgical Oncology, Military Institution of Hepatopancreatobiliary SurgeryThe First Medical Center of Chinese People's Liberation Army (PLA) General HospitalBeijing China
| | - Guo‐Dong Zhao
- Department of Hepatopancreatobiliary Surgical Oncology, Military Institution of Hepatopancreatobiliary SurgeryThe First Medical Center of Chinese People's Liberation Army (PLA) General HospitalBeijing China
| | - Cheng‐Gang Li
- Department of Hepatopancreatobiliary Surgical Oncology, Military Institution of Hepatopancreatobiliary SurgeryThe First Medical Center of Chinese People's Liberation Army (PLA) General HospitalBeijing China
| | - Xiang‐Long Tan
- Department of Hepatopancreatobiliary Surgical Oncology, Military Institution of Hepatopancreatobiliary SurgeryThe First Medical Center of Chinese People's Liberation Army (PLA) General HospitalBeijing China
| | - Xuan Zhang
- Department of Hepatopancreatobiliary Surgical Oncology, Military Institution of Hepatopancreatobiliary SurgeryThe First Medical Center of Chinese People's Liberation Army (PLA) General HospitalBeijing China
| | - Wan Yee Lau
- Faculty of MedicineThe Chinese University of Hong KongShatin Hong Kong Special Administrative Region China
| | - Rong Liu
- Department of Hepatopancreatobiliary Surgical Oncology, Military Institution of Hepatopancreatobiliary SurgeryThe First Medical Center of Chinese People's Liberation Army (PLA) General HospitalBeijing China
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26
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Sastry A, Sulzer JK, Passeri M, Baker EH, Vrochides D, McKillop IH, Iannitti DA, Martinie JB. Efficacy of a Laparoscopic Saline-Coupled Bipolar Sealer in Minimally Invasive Hepatobiliary Surgery. Surg Innov 2019; 26:668-674. [PMID: 31215345 DOI: 10.1177/1553350619855282] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Hepatic resection presents unique surgical challenges to reduce blood loss during parenchymal division. The development of saline-coupled bipolar devices, in which hemostasis is achieved at lower temperatures than electrocautery or other bipolar sealing devices, have been employed for open hepatic resection. Saline-coupled bipolar devices have now become available for minimally invasive use. The goals of this study were to evaluate the feasibility and safety of a laparoscopic saline-coupled bipolar device for minimally invasive hepatectomy. Seventeen patients (median age 66 years, range 36-81) were consented for inclusion and enrolled. Patient demographics, intraoperative data, and surgeon feedback were collected. Seven robot-assisted partial hepatectomies, 9 laparoscopic partial hepatectomies, and 1 laparoscopic cholecystectomy with liver abscess resection were performed. Average operating time was 222 ± 33 minutes (median 188 minutes; range 61-564 minutes) with no difference between robotic versus laparoscopic time. Successful seals were achieved in all cases following application of 150 to 200 J energy (average 179 ± 3 J, average time to achieve a successful seal 9.3 ± 2.7 minutes). Estimated blood loss was 362 ± 74 mL (median 300 mL, range 5-1200 mL) and 3/17 patients received intraoperative blood transfusion. No bile leaks were detected in any of the patients. Median length of stay was 5 days (range 1-20 days), and there were no readmissions within 30 days. Postoperative morbidity occurred in 5/17 patients, all of which were Clavien Grade 1. There was no mortality within 90 days or complications requiring a return to the operating room, and there were no liver-specific morbidities. These data suggest the laparoscopic Aquamantys device represents a useful device for use in minimally invasive liver resection.
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Affiliation(s)
- Amit Sastry
- Carolinas Medical Center, Charlotte, NC, USA
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27
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Kang R, Seath BE, Huang V, Barth RJ. Impact of Autologous Blood Transfusion on Survival and Recurrence among Patients Undergoing Partial Hepatectomy for Colorectal Cancer Liver Metastases. J Am Coll Surg 2019; 228:902-908. [DOI: 10.1016/j.jamcollsurg.2018.10.020] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2018] [Revised: 10/26/2018] [Accepted: 10/26/2018] [Indexed: 12/11/2022]
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Agarwal V, Divatia JV. Enhanced recovery after surgery in liver resection: current concepts and controversies. Korean J Anesthesiol 2019; 72:119-129. [PMID: 30841029 PMCID: PMC6458514 DOI: 10.4097/kja.d.19.00010] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2019] [Accepted: 03/05/2019] [Indexed: 12/21/2022] Open
Abstract
Enhanced recovery after surgery (ERAS) attenuates the stress response to surgery in the perioperative period and hastens recovery. Liver resection is a complex surgical procedure where the enhanced recovery program has been shown to be safe and effective in terms of postoperative outcomes. ERAS programs have been shown to be associated with lower morbidity, shortened postoperative stay, and reduced cost with no difference in mortality and readmission rates. However, there are challenges that are unique to hepatic resection such as safety after epidural catheterization and postoperative coagulopathy, intraoperative fluids and postoperative organ dysfunction, need for low central venous pressure to reduce blood loss, and non-lactate containing intravenous fluids. This narrative review briefly discusses these concerns and controversies and suggests revisiting some of the strong recommendations made by the ERAS society in light of the recent evidence.
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Affiliation(s)
- Vandana Agarwal
- Department of Anesthesia, Critical Care and Pain, Tata Memorial Hospital, Homi Bhabha National Institute, Mumbai, Maharashtra, India
| | - Jigeeshu V Divatia
- Department of Anesthesia, Critical Care and Pain, Tata Memorial Hospital, Homi Bhabha National Institute, Mumbai, Maharashtra, India
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A Systematic Review and Meta-Analysis Comparing Liver Resection with the Rf-Based Device Habib™-4X with the Clamp-Crush Technique. Cancers (Basel) 2018; 10:cancers10110428. [PMID: 30413094 PMCID: PMC6266432 DOI: 10.3390/cancers10110428] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2018] [Revised: 10/25/2018] [Accepted: 11/01/2018] [Indexed: 02/06/2023] Open
Abstract
Liver cancer is the sixth most common cancer and third most common cause of cancer-related mortality. Presently, indications for liver resections for liver cancers are widening, but the response is varied owing to the multitude of factors including excess intraoperative bleeding, increased blood transfusion requirement, post-hepatectomy liver failure and morbidity. The advent of the radiofrequency energy-based bipolar device Habib™-4X has made bloodless hepatic resection possible. The radiofrequency-generated coagulative necrosis on normal liver parenchyma provides a firm underpinning for the bloodless liver resection. This meta-analysis was undertaken to analyse the available data on the clinical effectiveness or outcomes of liver resection with Habib™-4X in comparison to the clamp-crush technique. The RF-assisted device Habib™-4X is considered a safe and feasible modality for liver resection compared to the clamp-crush technique owing to the multitude of benefits and mounting clinical evidence supporting its role as a superior liver resection device. The most intriguing advantage of the RF-device is its ability to induce systemic and local immunomodulatory changes that further expand the boundaries of survival outcomes following liver resection.
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30
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Warner MA, Frank RD, Weister TJ, Smith MM, Stubbs JR, Kor DJ. Higher intraoperative plasma transfusion volumes are associated with inferior perioperative outcomes. Transfusion 2018; 59:112-124. [PMID: 30383908 DOI: 10.1111/trf.14988] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2018] [Revised: 08/15/2018] [Accepted: 08/21/2018] [Indexed: 12/12/2022]
Abstract
BACKGROUND Intraoperative plasma transfusion is common, yet little is known regarding its effects on perioperative coagulation tests or clinical outcomes. STUDY DESIGN AND METHODS This is a retrospective cohort study of adults receiving intraoperative plasma transfusion at a single center from 2011 to 2015. Relationships between plasma transfusion volume, changes in coagulation test values, and clinical outcomes, including a primary outcome of early postoperative red blood cell (RBC) transfusion, were assessed with multivariable regression analyses. Secondary outcomes included hospital mortality, intensive care unit (ICU)- and hospital-free days, intraoperative RBC transfusions, and estimated blood loss. RESULTS A total of 3393 unique patients were included, with median (IQR) transfusion of 2 (2-4) units. In multivariable analyses, higher plasma volumes were associated with worse outcomes, with each 1 mL/kg increase associated with increased odds for postoperative (1.02 [1.01-1.03], p < 0.001) and intraoperative RBCs (1.17 [1.16-1.19], p < 0.001) and fewer ICU- and hospital-free days (mean difference [95% CI], -0.08 [-0.12 to -0.05], p < 0.001; and -0.09 [-0.13 to -0.06], p < 0.001, respectively). Greater decreases in international normalized ratio (INR) following plasma transfusion were associated with decreased odds of postoperative RBCs (0.35 [0.25-0.47], p < 0.001), decreased mortality (0.50 [0.31-0.83], p = 0.007), and increased mean ICU- (1.31 [0.41-2.21], p = 0.004) and hospital-free days (1.15 [0.19-2.10], p = 0.018). CONCLUSION In patients receiving intraoperative plasma transfusion, higher transfusion volumes were associated with inferior clinical outcomes; however, greater improvements in INR were associated with improved outcomes. Future prospective studies are necessary to better define these relationships and to explore plasma transfusion triggers beyond the limitations of INR.
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Affiliation(s)
- Matthew A Warner
- Division of Critical Care Medicine, Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, Minnesota
| | - Ryan D Frank
- Department of Biomedical Statistics and Informatics, Mayo Clinic, Rochester, Minnesota
| | - Timothy J Weister
- Anesthesia Clinical Research Unit, Mayo Clinic, Rochester, Minnesota
| | - Mark M Smith
- Division of Cardiothoracic Anesthesia, Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, Minnesota
| | - James R Stubbs
- Division of Transfusion Medicine, Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, Minnesota
| | - Daryl J Kor
- Division of Critical Care Medicine, Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, Minnesota
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Diniz GV, Petroianu A. Intravascular and intraparenchymatous hepatic segmentary sclerosis. Acta Cir Bras 2018; 33:785-791. [PMID: 30328910 DOI: 10.1590/s0102-865020180090000006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2018] [Accepted: 08/21/2018] [Indexed: 11/22/2022] Open
Abstract
PURPOSE To evaluate the morphological effects of injected sclerosing agents into the liver. METHODS This study was performed on twenty dogs, distributed into five groups: Group 1 (n = 5) - control, Group 2 (n = 5) - injection of 50% glucose solution inside hepatic parenchyma and animals followed during seven days, Group 3 (n = 10) - injection of ethanol inside hepatic parenchyma and animals distribution into two subgroups Subgroup 3A (n = 5) - followed during 24 hours and subgroup 3B (n = 5) - followed during seven days (group 3B), Group 4 (n = 5) - ethanol injection inside left portal vein branch and followed during 24 hours. Livers were macroscopically evaluated, submitted to hepatic arteriography and portography, then histology. RESULTS All animals in Group 4 died within 23 hours due to diffuse hepatic necrosis. The animals of groups 2 and 3 had a satisfactory evolution. Fibrosis formed in the segment reached by the sclerosant solution and interruption of the contrast flow injected into the portal system. CONCLUSION Intrahepatic parenchymal ethanol injection is well tolerated and causes sclerosis restricted to a specific segment; however, intraportal ethanol injection causes massive hepatic necrosis and can lead to death.
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Affiliation(s)
- Guilherme Velloso Diniz
- MD, MS, General Surgeon, Department of Surgery, School of Medicine, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte-MG, Brazil. Scientific, intellectual, conception and design of the study; technical procedures; histopathological examinations; manuscript preparation and writing; critical revision; final approval
| | - Andy Petroianu
- MD, PhD, Full Professor, Department of Surgery, School of Medicine, UFMG, Researcher 1B CNPq, Belo Horizonte-MG, Brazil. Scientific, intellectual, conception and design of the study; technical procedures; histopathological examinations; manuscript preparation and writing; critical revision; final approval
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Yue M, Li S, Yan G, Li C, Kang Z. Short- and long-term outcomes of laparoscopic hepatectomy for colorectal liver metastases in elderly patients. Cancer Manag Res 2018; 10:2581-2587. [PMID: 30127644 PMCID: PMC6089117 DOI: 10.2147/cmar.s156379] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Purpose This study aimed to evaluate the short- and long-term outcomes of laparoscopic hepatectomy (LH) for colorectal liver metastases (CRLM) in elderly patients. Patients and methods Between January 2009 and January 2016, LH was performed for 241 consecutive patients who were ≥60 years old and had CRLM. Based on their age at the LH, the patients were divided into an elderly group (≥70 years old, 78 patients) and a middle-aged group (60–69 years old, 163 patients). The short- and long-term outcomes were compared between the two groups. Results Compared to the middle-aged group, the elderly group had higher values for Charlson comorbidity index, proportion of preoperative chemotherapy, and American Society of Anesthesiologists score. No other significant differences were observed in the preoperative characteristics. The elderly group had a higher conversion rate, compared to the middle-aged group, although no significant differences were observed in the surgical procedures, surgical times, intraoperative blood losses, numbers and severities of postoperative 90-day complications, postoperative 90-day mortality rates, pathology results, and other short-term outcomes. Long-term follow-up revealed similar rates of recurrence, disease-free survival, and overall survival in the two groups. Multivariable analysis revealed that age did not independently predict overall survival or disease-free survival. Conclusion Similar short- and long-term outcomes were observed after LH for CRLM in elderly and middle-aged patients. Thus, advanced age is not a contraindication for LH treatment in this setting.
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Affiliation(s)
- Meng Yue
- Department of Surgery, First Hospital, JiLin University, Changchun, Jilin, People's Republic of China,
| | - Shiquan Li
- Department of Surgery, First Hospital, JiLin University, Changchun, Jilin, People's Republic of China,
| | - Guoqiang Yan
- Department of Surgery, First Hospital, JiLin University, Changchun, Jilin, People's Republic of China,
| | - Chenyao Li
- Department of Surgery, First Hospital, JiLin University, Changchun, Jilin, People's Republic of China,
| | - Zhenhua Kang
- Department of Surgery, First Hospital, JiLin University, Changchun, Jilin, People's Republic of China,
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Squires MH, Cloyd JM, Dillhoff M, Schmidt C, Pawlik TM. Challenges of surgical management of intrahepatic cholangiocarcinoma. Expert Rev Gastroenterol Hepatol 2018; 12:671-681. [PMID: 29911912 DOI: 10.1080/17474124.2018.1489229] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Intrahepatic cholangiocarcinoma (iCCA) is a rare malignancy arising from biliary tract epithelium within bile ducts proximal to the secondary biliary radicles. The majority of patients are diagnosed with locally advanced or metastatic disease at presentation. Surgical resection remains the only potentially curative option, but poses unique challenges due to the large size and aggressive behavior of these tumors. Areas covered: The goal of surgical management of iCCA is margin negative (R0) hepatic resection with preservation of adequate size liver remnant and function. Data regarding role of staging laparoscopy, margin status, portal lymphadenectomy, and vascular resection for iCCA are reviewed. Perioperative systemic therapy may have value, although prospective data have been lacking. Recurrence rates remain high even after R0 resection; among patients with recurrent disease limited to the liver, re-resection or locoregional therapies may play a role. Liver transplantation may be an option for select patients with very early-stage iCCA, although this should be done on a protocol-only basis. Expert commentary: Appropriate preoperative patient selection and surgical technique are paramount to ensure optimal oncologic outcomes for patients with resectable iCCA. Improving systemic and locoregional therapy options may help decrease recurrence rates and improve long-term survival for this aggressive malignancy.
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Affiliation(s)
- Malcolm H Squires
- a Division of Surgical Oncology, Department of Surgery , The Ohio State University Wexner Medical Center , Columbus , OH , USA
| | - Jordan M Cloyd
- a Division of Surgical Oncology, Department of Surgery , The Ohio State University Wexner Medical Center , Columbus , OH , USA
| | - Mary Dillhoff
- a Division of Surgical Oncology, Department of Surgery , The Ohio State University Wexner Medical Center , Columbus , OH , USA
| | - Carl Schmidt
- a Division of Surgical Oncology, Department of Surgery , The Ohio State University Wexner Medical Center , Columbus , OH , USA
| | - Timothy M Pawlik
- a Division of Surgical Oncology, Department of Surgery , The Ohio State University Wexner Medical Center , Columbus , OH , USA
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Kostakis ID, Machairas N, Garoufalia Z, Prodromidou A, Sotiropoulos GC. Impact of Ultrasonic Scalpels for Liver Parenchymal Transection on Postoperative Bleeding and Bile Leakage. In Vivo 2018; 32:883-886. [PMID: 29936474 DOI: 10.21873/invivo.11323] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2018] [Revised: 04/19/2018] [Accepted: 04/20/2018] [Indexed: 12/26/2022]
Abstract
BACKGROUND/AIM Novel techniques for liver parenchymal transection have emerged and they are available to the hepatobiliary surgeon. The aim of our study was to compare two types of ultrasonic scalpels (Lotus and Harmonic) and examine how they perform either alone or in combination with the SonaStar ultrasonic surgical aspiration system regarding postoperative bleeding and bile leakage. PATIENTS AND METHODS Our prospectively maintained database of patients who underwent liver resections in our Department was reviewed. One hundred and two patients with solid liver lesions underwent liver resection by a senior hepatobiliary surgeon in our department during a period of 51 months. They were divided into four groups according to the devices that were used for liver parenchymal transection. RESULTS Patients were divided into the following groups: group 1: Lotus, 32 patients (31.4%); group 2: Lotus+SonaStar, 27 patients (26.5%); group 3: Harmonic, 27 patients (26.5%); group 4: Harmonic+SonaStar, 16 patients (15.7%). There were 5 cases of postoperative bleeding and 9 cases of postoperative bile leakage. No significant difference was found concerning postoperative bleeding (group 1: 2/32; 6.3%, group 2: 2/27; 7.4%, group 3: 0/27; 0%, group 4: 1/16; 6.3%) (p=0.577). Furthermore, no actual difference was detected in terms of postoperative bile leakage (group 1: 2/32; 6.3%, group 2: 3/27; 11.1%, group 3: 3/27; 11.1%, group 4: 1/16; 6.3%) (p=0.866). CONCLUSION Both Lotus and Harmonic ultrasonic scalpels provide adequate and similar results concerning postoperative hemorrhage and cholorrhea.
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Affiliation(s)
- Ioannis D Kostakis
- Second Department of Propaedeutic Surgery, "Laiko" General Hospital, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Nikolaos Machairas
- Second Department of Propaedeutic Surgery, "Laiko" General Hospital, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Zoe Garoufalia
- Second Department of Propaedeutic Surgery, "Laiko" General Hospital, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Anastasia Prodromidou
- Second Department of Propaedeutic Surgery, "Laiko" General Hospital, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Georgios C Sotiropoulos
- Second Department of Propaedeutic Surgery, "Laiko" General Hospital, Medical School, National and Kapodistrian University of Athens, Athens, Greece
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Chan J, Perini M, Fink M, Nikfarjam M. The outcomes of central hepatectomy versus extended hepatectomy: a systematic review and meta-analysis. HPB (Oxford) 2018; 20:487-496. [PMID: 29439847 DOI: 10.1016/j.hpb.2017.12.008] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/07/2017] [Revised: 12/07/2017] [Accepted: 12/19/2017] [Indexed: 12/12/2022]
Abstract
BACKGROUND Central hepatectomy (CH) is a relatively uncommon liver resection technique. It is generally perceived as a more complex operation than extended hepatectomies (EH), with potentially higher associated morbidity. The outcomes of CH compared with EH is not well defined and there is a need to reassess. METHODS A systematic literature search was conducted in PubMed, MEDLINE, EMBASE and Web of Science according to PRISMA guidelines for studies on the treatment of liver tumours with CH published from 1972 until February 2017. Outcomes of patients undergoing CH were assessed and compared to those undergoing EH. RESULTS 18 publications including 1380 CH were included for analysis. Mortality rates after CH ranged from 0 to 9%. There were 20 (1.4%) deaths after CH and the most common cause of death was post-hepatectomy liver failure (PHLF). Morbidity rates varied between 12 and 61% and 316 (23%) post-operative events were reported. Analysis of five comparative studies showed similar mortality between CH and EH groups (OR: 0.64, 95% CI = 0.24-1.70, p = 0.37). There were significantly fewer overall post-operative complications in the CH group (OR: 0.38, 95% CI = 0.28-0.51, p < 0.001) and reduced PHLF was found in the CH group compared to EH (OR: 0.53, 95% CI = 0.29-0.98, p = 0.04). The rates of post-hepatectomy biliary complications were similar between groups (OR: 0.98, 95% CI = 0.51-1.88, p = 0.96). Mean length of stay (days) was shorter in the CH group (MD: -2.67, 95% CI = -4.93 to -0.41, p = 0.02). CONCLUSION CH appears to have similar post-operative mortality rates compared to EH but is associated with fewer post-operative complications, including PHLF and shorter overall length of stay.
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Affiliation(s)
- Jenny Chan
- University of Melbourne Department of Surgery, Austin Health, Heidelberg, Victoria, Australia
| | - Marcos Perini
- University of Melbourne Department of Surgery, Austin Health, Heidelberg, Victoria, Australia
| | - Michael Fink
- University of Melbourne Department of Surgery, Austin Health, Heidelberg, Victoria, Australia
| | - Mehrdad Nikfarjam
- University of Melbourne Department of Surgery, Austin Health, Heidelberg, Victoria, Australia.
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Famularo S, Giani A, Di Sandro S, Sandini M, Giacomoni A, Pinotti E, Lauterio A, Gianotti L, De Carlis L, Romano F. Does the Pringle maneuver affect survival and recurrence following surgical resection for hepatocellular carcinoma? A western series of 441 patients. J Surg Oncol 2017; 117:198-206. [PMID: 29082526 DOI: 10.1002/jso.24819] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2017] [Accepted: 07/31/2017] [Indexed: 12/17/2022]
Affiliation(s)
- Simone Famularo
- School of Medicine and Surgery; University of Milano-Bicocca; Milan Italy
- Department of Surgery; San Gerardo Hospital; Monza Italy
| | - Alessandro Giani
- School of Medicine and Surgery; University of Milano-Bicocca; Milan Italy
- Department of Surgery; San Gerardo Hospital; Monza Italy
| | - Stefano Di Sandro
- Department of General Surgery and Transplantation; Niguarda Ca' Granda Hospital; Milan Italy
| | - Marta Sandini
- School of Medicine and Surgery; University of Milano-Bicocca; Milan Italy
- Department of Surgery; San Gerardo Hospital; Monza Italy
| | - Alessandro Giacomoni
- Department of General Surgery and Transplantation; Niguarda Ca' Granda Hospital; Milan Italy
| | - Enrico Pinotti
- School of Medicine and Surgery; University of Milano-Bicocca; Milan Italy
- Department of Surgery; San Gerardo Hospital; Monza Italy
| | - Andrea Lauterio
- Department of General Surgery and Transplantation; Niguarda Ca' Granda Hospital; Milan Italy
| | - Luca Gianotti
- School of Medicine and Surgery; University of Milano-Bicocca; Milan Italy
- Department of Surgery; San Gerardo Hospital; Monza Italy
| | - Luciano De Carlis
- School of Medicine and Surgery; University of Milano-Bicocca; Milan Italy
- Department of General Surgery and Transplantation; Niguarda Ca' Granda Hospital; Milan Italy
| | - Fabrizio Romano
- School of Medicine and Surgery; University of Milano-Bicocca; Milan Italy
- Department of Surgery; San Gerardo Hospital; Monza Italy
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Tong DF, Liu JW. Strategies for controlling hemorrhage in laparoscopic hepatectomy. Shijie Huaren Xiaohua Zazhi 2017; 25:2510-2517. [DOI: 10.11569/wcjd.v25.i28.2510] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
With the development of laparoscopic surgery techniques and the better understanding of liver anatomical and physiological characteristics in recent years, laparoscopic hepatectomy has developed rapidly and the feasibility and safety of laparoscopic liver resection surgery has been also getting better and better. However, due to the special physiological function and anatomical structure of the liver, hemorrhage in laparoscopic hepatectomy is serious, and the control of intraoperative bleeding is especially important. In this paper, we will discuss three important aspects of the strategies for controlling hemorrhage in laparoscopic hepatectomy, including preoperative evaluation of patients, intraoperative rational use of hepatic blood flow blocking techniques, and choosing the appropriate instrument.
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Affiliation(s)
- De-Feng Tong
- Department of Hepatobiliary Surgery, People's Hospital of Shihezi City, Shihezi 832000, Xinjiang Uygur Autonomous Region, China
| | - Jiang-Wen Liu
- Department of Hepatobiliary Surgery, People's Hospital of Shihezi City, Shihezi 832000, Xinjiang Uygur Autonomous Region, China
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Douaiher J, Hussain T, Dhir M, Smith L, Are C. Preoperative Risk Factors for 30-Day Reoperation in Patients Undergoing Hepatic Resections for Malignancy. Indian J Surg Oncol 2017; 8:312-320. [DOI: 10.1007/s13193-016-0557-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2016] [Accepted: 08/30/2016] [Indexed: 02/07/2023] Open
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Fonouni H, Kashfi A, Stahlheber O, Konstantinidis L, Kraus TW, Mehrabi A, Oweira H. Analysis of the biliostatic potential of two sealants in a standardized porcine model of liver resection. Am J Surg 2017; 214:945-955. [PMID: 28683896 DOI: 10.1016/j.amjsurg.2017.06.038] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2017] [Revised: 05/28/2017] [Accepted: 06/13/2017] [Indexed: 02/06/2023]
Abstract
BACKGROUND Improved resection techniques has decreased mortality rate following liver resections(LRx). Sealants are known as effective adjuncts for haemostasis after LRx. We compared biliostatic effectiveness of two sealants in a standardized porcine model of LRx. MATERIAL AND METHODS We accomplished left hemihepatectomy on 27 pigs. The animals were randomized in control group(n = 9) with no sealant and treatment groups (each n = 9), in which resection surfaces were covered with TachoSil® and TissuFleece®/Tissucol Duo®. After 5 days the volume of ascites(ml), bilioma and/or bile leakages and degree of intra-abdominal adhesions were analysed. RESULTS Proportion of ascites was lower in TissuFleece/Tissucol Duo® group. The ascites volume was lower in TachoSil® group. In sealant groups, increased adhesion specially in the TachoSil® group was seen. A reduction of the "bilioma rate" was seen in sealant groups, which was significantly lower in TissuFleece®/Tissucol Duo® group. CONCLUSION In a standardized condition sealants have a good biliostatic effect but with heterogeneous potentials. This property in combination with the cost-benefit analysis should be the focus of future prospective studies.
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Affiliation(s)
- H Fonouni
- Department of General, Visceral and Transplantation Surgery, University of Heidelberg, Germany.
| | - A Kashfi
- Department of General, Visceral and Transplantation Surgery, University of Heidelberg, Germany
| | - O Stahlheber
- Department of General, Visceral and Transplantation Surgery, University of Heidelberg, Germany
| | - L Konstantinidis
- Department of General, Visceral and Transplantation Surgery, University of Heidelberg, Germany
| | - T W Kraus
- Department of General, Visceral and Transplantation Surgery, University of Heidelberg, Germany
| | - A Mehrabi
- Department of General, Visceral and Transplantation Surgery, University of Heidelberg, Germany
| | - H Oweira
- Department of General, Visceral and Transplantation Surgery, University of Heidelberg, Germany
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Luo X, Chen L, Liu W, Dong S, Luo H, Zhang B, Chen X. A propensity score analysis of two methods of hepatic vascular occlusion in hepatectomy. J Surg Res 2017; 213:184-190. [DOI: 10.1016/j.jss.2017.02.033] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2016] [Revised: 01/13/2017] [Accepted: 02/20/2017] [Indexed: 01/14/2023]
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Yamashita YI, Imai K, Tsujita E, Kaida T, Yamao T, Umezaki N, Nakagawa S, Hashimoto D, Chikamoto A, Baba H. Selective Venous Occlusions for Reducing Blood Loss During Right Anterior Sectionectomy of the Liver for Hepatocellular Carcinoma. J Am Coll Surg 2016; 224:e5-e9. [PMID: 27989955 DOI: 10.1016/j.jamcollsurg.2016.10.035] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2016] [Revised: 10/18/2016] [Accepted: 10/18/2016] [Indexed: 11/19/2022]
Affiliation(s)
- Yo-Ichi Yamashita
- Department of Gastroenterological Surgery, Graduate School of Life Sciences, Kumamoto University, Kumamoto, Japan.
| | - Katsunori Imai
- Department of Gastroenterological Surgery, Graduate School of Life Sciences, Kumamoto University, Kumamoto, Japan
| | - Eiji Tsujita
- Department of Hepato-Biliary-Pancreatic Surgery, National Kyushu Cancer Center, Fukuoka, Japan
| | - Takayoshi Kaida
- Department of Gastroenterological Surgery, Graduate School of Life Sciences, Kumamoto University, Kumamoto, Japan
| | - Takanobu Yamao
- Department of Gastroenterological Surgery, Graduate School of Life Sciences, Kumamoto University, Kumamoto, Japan
| | - Naoki Umezaki
- Department of Gastroenterological Surgery, Graduate School of Life Sciences, Kumamoto University, Kumamoto, Japan
| | - Shigeki Nakagawa
- Department of Gastroenterological Surgery, Graduate School of Life Sciences, Kumamoto University, Kumamoto, Japan
| | - Daisuke Hashimoto
- Department of Gastroenterological Surgery, Graduate School of Life Sciences, Kumamoto University, Kumamoto, Japan
| | - Akira Chikamoto
- Department of Gastroenterological Surgery, Graduate School of Life Sciences, Kumamoto University, Kumamoto, Japan
| | - Hideo Baba
- Department of Gastroenterological Surgery, Graduate School of Life Sciences, Kumamoto University, Kumamoto, Japan
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Rekman J, Wherrett C, Bennett S, Gostimir M, Saeed S, Lemon K, Mimeault R, Balaa FK, Martel G. Safety and feasibility of phlebotomy with controlled hypovolemia to minimize blood loss in liver resections. Surgery 2016; 161:650-657. [PMID: 27712877 DOI: 10.1016/j.surg.2016.08.026] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2016] [Revised: 07/22/2016] [Accepted: 08/18/2016] [Indexed: 12/11/2022]
Abstract
BACKGROUND Liver resection can be associated with significant blood loss and transfusion. Whole blood phlebotomy is an under-reported technique, distinct from acute normovolemic hemodilution, the goal of which is to minimize blood loss in liver operation. This work sought to report on its safety and feasibility and to describe technical considerations. METHODS Consecutive patients who had an elective liver resection and concurrent phlebotomy between 2013 and 2016 were examined prospectively. Formal Inclusion and exclusion criteria were defined a priori. All surgical indications were allowed. All procedures were carried out with a stated goal of low central venous pressure anesthesia (<5 cm H2O). The target phlebotomy volume was 7-10 mL/kg of patient body weight. The removed blood was not replaced by intravenous fluid. Removed blood was returned back to the patient after parenchymal transection. Safety end points were examined. A historic cohort (2010-2014) of major resections was included for comparison. RESULTS A total of 37 patients underwent liver resection with phlebotomy (86% major) and 101 without. Half had metastatic colorectal cancer. The median phlebotomy volume was 7.2 mg/kg (4.7-10.2), yielding a median drop in central venous pressure of 3 cm H2O (0-15). Median blood loss was 400 vs 700 mL (P = .0016), and the perioperative transfusion rate was 8.1% vs 32% (P = .0048). There was no difference between the 2 groups in overall complications, mortality, intensive care admission, duration of stay, or end-organ ischemic complications. CONCLUSION Whole blood phlebotomy with controlled hypovolemia prior to liver resection seems to be safe and feasible. Comparative studies are required to determine its effectiveness.
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Affiliation(s)
- Janelle Rekman
- Liver and Pancreas Unit, Department of Surgery, The Ottawa Hospital, University of Ottawa, Ottawa, ON
| | - Christopher Wherrett
- Department of Anesthesiology, The Ottawa Hospital, University of Ottawa, Ottawa, ON
| | - Sean Bennett
- Liver and Pancreas Unit, Department of Surgery, The Ottawa Hospital, University of Ottawa, Ottawa, ON; Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, ON
| | - Miso Gostimir
- Liver and Pancreas Unit, Department of Surgery, The Ottawa Hospital, University of Ottawa, Ottawa, ON
| | - Sara Saeed
- Liver and Pancreas Unit, Department of Surgery, The Ottawa Hospital, University of Ottawa, Ottawa, ON; Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, ON
| | - Kristina Lemon
- Liver and Pancreas Unit, Department of Surgery, The Ottawa Hospital, University of Ottawa, Ottawa, ON
| | - Richard Mimeault
- Liver and Pancreas Unit, Department of Surgery, The Ottawa Hospital, University of Ottawa, Ottawa, ON
| | - Fady K Balaa
- Liver and Pancreas Unit, Department of Surgery, The Ottawa Hospital, University of Ottawa, Ottawa, ON
| | - Guillaume Martel
- Liver and Pancreas Unit, Department of Surgery, The Ottawa Hospital, University of Ottawa, Ottawa, ON; Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, ON.
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Modern Technical Approaches in Hepatic Surgery for Colorectal Metastases. CURRENT COLORECTAL CANCER REPORTS 2016. [DOI: 10.1007/s11888-016-0327-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Risk factors for a high Comprehensive Complication Index score after major hepatectomy for biliary cancer: a study of 229 patients at a single institution. HPB (Oxford) 2016; 18:735-41. [PMID: 27593590 PMCID: PMC5011079 DOI: 10.1016/j.hpb.2016.06.013] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/06/2016] [Revised: 06/15/2016] [Accepted: 06/20/2016] [Indexed: 02/06/2023]
Abstract
BACKGROUND The Comprehensive Complication Index (CCI) is a new tool to evaluate the postoperative condition by calculating the sum of all complications weighted by their severity. The aim of this study was to identify independent risk factors for a high CCI score (≥40) in 229 patients after major hepatectomies with biliary reconstruction for biliary cancers. METHODS The CCI was calculated online via www.assessurgery.com. Independent risk factors were identified by multivariable analysis. RESULTS 57 (25%) patients were classified as having CCI ≥ 40. On multivariable analysis, volume of intraoperative blood loss (≥2.5 L) (p = 0.004) and combined pancreatoduodenectomy (PD) (p = 0.006) were independent risk factors for CCI ≥ 40. A high level of maximum serum total bilirubin was identified as independent risk factors for a high volume of intraoperative blood loss. Liver failure (p = 0.046) was more frequent in patients with combined PD than in those without. DISCUSSION Patients who undergo preoperative external biliary drainage for severe jaundice might have impaired production of coagulation factors. When blood loss during liver transection becomes difficult to control, surgeons should consider various strategies, such as second-stage biliary or pancreatic reconstruction. In patients planned to undergo major hepatectomy with combined PD, preoperative portal vein embolization is mandatory to prevent postoperative liver failure.
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Brustia R, Granger B, Scatton O. An update on topical haemostatic agents in liver surgery: systematic review and meta analysis. JOURNAL OF HEPATO-BILIARY-PANCREATIC SCIENCES 2016; 23:609-621. [PMID: 27580747 DOI: 10.1002/jhbp.389] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/31/2016] [Accepted: 07/29/2016] [Indexed: 12/31/2022]
Abstract
Mortality and morbidity in hepatic surgery are affected by blood loss and transfusion. Topical haemostatic agents (THA) are composed by a matrix and/or fibrin sealants, and their association known as "carrier-bound fibrin sealant" (CBFS): despite widely used for secondary haemostasis, the level of evidence remains low. To realize a meta-analysis on the results of CBFS on haemostasis and postoperative complications. Searches in PubMed, PubMed Central, Cochrane and Google Scholar using keywords: "topical_haemostasis" OR "haemostatic_agents" OR "sealant_patch" OR "fibrin_sealant" OR "collagen_sealant" AND "liver_surgery" OR "hepatic_surgery" OR "liver_transplantation". Randomized clinical trials, large retrospective cohort studies, case control studies evaluating THA on open/laparoscopic liver surgery and transplantation. From 1993 to 2016 were found 22 studies for qualitative synthesis and 13 for quantitative meta-analysis. The time to haemostasis was lower in the CBFS group (mean difference -2.33 min; P = 0.00001). The risk of receiving blood transfusion, developing collections and bile leak was not influenced by the use of CBFS (OR 0.75; P = 0.25), (OR 0.72; P = 0.52), (OR 0.74; P = 0.30) respectively. The use of CBFS in liver surgery significantly reduce the time to haemostasis, but does not decrease transfusion, postoperative collection and bile leak.
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Affiliation(s)
- Raffaele Brustia
- Department of Hepatobiliary and Liver Transplantation Surgery, Pitié Salpetriere Hospital, Assistance Publique-Hôpitaux de Paris, 47-83 Boulevard de l' Hôpital, Paris, 75013, France.,Université Pierre et Marie Curie, Paris, France
| | - Benjamin Granger
- Department of Biostatistics, Public Health and Medical Information, Pitié Salpetriere Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France.,Université Pierre et Marie Curie, Paris, France
| | - Olivier Scatton
- Department of Hepatobiliary and Liver Transplantation Surgery, Pitié Salpetriere Hospital, Assistance Publique-Hôpitaux de Paris, 47-83 Boulevard de l' Hôpital, Paris, 75013, France. .,Université Pierre et Marie Curie, Paris, France.
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Low tidal volume ventilation with low PEEP during surgery may induce lung inflammation. BMC Anesthesiol 2016; 16:47. [PMID: 27473050 PMCID: PMC4967315 DOI: 10.1186/s12871-016-0209-y] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2016] [Accepted: 07/15/2016] [Indexed: 12/31/2022] Open
Abstract
Background Compared to conventional tidal volume ventilation, low tidal-volume ventilation reduces mortality in cased of acute respiratory distress syndrome. The aim of the present study is to determine whether low tidal-volume ventilation reduces the production of inflammatory mediators in the lungs and improves physiological status during hepatic surgery. Methods We randomly assigned patients undergoing hepatectomy into 2 groups: conventional tidal-volume vs. low tidal-volume (12 vs. 6 mL•kg−1 ideal body weight) ventilation with a positive end-expiratory pressure of 3 cm H2O. Arterial blood and airway epithelial lining fluid were sampled immediately after intubation and every 3 h thereafter. Results Twenty-five patients were analyzed. No significant changes were found in hemodynamics or acid–base status during the study. Interleukin-8 was significantly elevated in epithelial lining fluid from the low tidal-volume group. Oxygenation evaluated immediately after admission to the post-surgical care unit was significantly worse in the low tidal-volume group. Conclusions Low tidal-volume ventilation with low positive end-expiratory pressure may lead to pulmonary inflammation during major surgery such as hepatectomy. Trial registration The effect of ventilatory tidal volume on lung injury during hepatectomy that requires transient liver blood flow interruption. UMIN000021371 (03/07/2016); retrospectively registered
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Blood transfusion is an independent predictor of morbidity and mortality after hepatectomy. J Surg Res 2016; 206:106-112. [PMID: 27916348 DOI: 10.1016/j.jss.2016.07.013] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2016] [Revised: 04/26/2016] [Accepted: 07/07/2016] [Indexed: 12/18/2022]
Abstract
BACKGROUND Previous studies have indicated that blood transfusion is associated with increased risk of worse outcomes among patients selected for hepatectomy. However, the independent effect of transfusion has not been confirmed. We hypothesize that blood transfusion is an independent factor that affects outcomes in patients undergoing hepatectomy. MATERIALS AND METHODS Patients at tertiary care center who underwent hepatectomy between 2006 and 2013 were identified and linked with the American College of Surgeons National Surgical Quality Improvement Program PUF data set. Multivariable logistic regression analysis was used to estimate the effect of blood transfusion on 30-d mortality and morbidity, adjusted for differences in extent of resection and estimated probabilities of morbidity and mortality. RESULTS Among 522 patients in the study, 48 (9.2%) patients required perioperative blood transfusion within 72 h of resection, and 172 (33%) underwent major hepatectomy. Indications for hepatectomy included metastatic neoplasm (n = 229, 44%), primary hepatic neoplasm (n = 108, 21%), primary extra-hepatic biliary neoplasm (n = 23, 4%), and nonmalignant indications (n = 162, 31%). Eighty-eight (17%) patients had a postoperative morbidity. Blood transfusion was significantly associated with postoperative morbidity (odds ratio [OR] = 4.18, 95% CI = 2.18-8.02, P = 0.0001) and mortality (OR = 14.5, 95% CI = 3.08-67.8, P = 001), after adjustment for the concurrent effect of National Surgical Quality Improvement Program estimated probability of morbidity (OR = 1.15, 95% CI = 0.11-12.2, P = 0.042). The extent of resection was not significantly associated with morbidity (OR = 1.30, 95% CI, 0.74-2.28, P = 0.366) or mortality (OR = 1.14, 95% CI = 0.24-5.50, P = 0.870). CONCLUSIONS Blood transfusion is a highly statistically significant independent predictor of morbidity and mortality after hepatectomy. Judicious use of perioperative transfusion is indicated in patients with benign and malignant indications for liver resection.
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An Experimental Study on the Relationship Among Airway Pressure, Pneumoperitoneum Pressure, and Central Venous Pressure in Pure Laparoscopic Hepatectomy. Ann Surg 2016; 263:1159-63. [PMID: 26595124 DOI: 10.1097/sla.0000000000001482] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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Patrizi A, Jezequel C, Sulpice L, Meunier B, Rayar M, Boudjema K. Disposable bipolar irrigated sealer (Aquamantys(®)) for liver resection: use with caution. Updates Surg 2016; 68:171-7. [PMID: 27193968 DOI: 10.1007/s13304-016-0367-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2016] [Accepted: 04/14/2016] [Indexed: 01/15/2023]
Abstract
The disposable bipolar irrigated sealer has been demonstrated to reduce perioperative bleeding, but its role in preventing postoperative cut-surface complications has not been evaluated to date. A prospective observational study was performed between January and September 2013 to evaluate a disposable bipolar irrigated sealed (Aquamantys(®)) on a continuous series of 51 first liver resections without biliary reconstruction. Primary end-point was the occurrence of cut-surface complications during the postoperative period. Secondary endpoints were postoperative complications and the 1-year overall survival rate. The results were compared to a propensity score matched group of 153 liver resections performed with conventional monopolar cautery. A cut-surface complication occurred in 13/51 (25.5 %) resected patients. Bleeding, bile leakage and subphrenic abscess occurred in 7.8, 11.8 and 11.8 % patients, respectively. Compared to the matched group, the resected group had a higher rate of cut-surface complications (25.5 vs. 14.7 %, p < 0.01) and a higher rate of Clavien-Dindo type ≥3 postoperative complications (29.5 vs. 17.2 %, p < 0.01). In the multivariate analysis, preoperative chemotherapy (p = 0.03, 95 % CI 1.09-5.9, OR 2.53), blood transfusion (p = 0.02, 95 % CI 1.78-6.55, OR 2.78) and Aquamantys(®) use (p = 0.02, 95 % CI 1.21-6.7, OR 2.85) were independent of cut-surface complications within the first 90 postoperative days. The overall 1-year survival rates were not different between the two groups (p = 0.078). Aquamantys(®) use is associated with an increased rate of postoperative complications compared to classical monopolar cautery, and we recommend that it should be used with caution in this type of surgery.
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Affiliation(s)
- Andrea Patrizi
- Service de chirurgie hépatobiliaire et digestive, Hôpital Pontchaillou, Université de Rennes 1, Rennes, France.
| | - Caroline Jezequel
- Service des maladies du foie. Hôpital Pontchaillou, Université de Rennes 1, Rennes, France
| | - Laurent Sulpice
- Service de chirurgie hépatobiliaire et digestive, Hôpital Pontchaillou, Université de Rennes 1, Rennes, France
| | - Bernard Meunier
- Service de chirurgie hépatobiliaire et digestive, Hôpital Pontchaillou, Université de Rennes 1, Rennes, France.,Service des maladies du foie. Hôpital Pontchaillou, Université de Rennes 1, Rennes, France
| | - Michel Rayar
- Service de chirurgie hépatobiliaire et digestive, Hôpital Pontchaillou, Université de Rennes 1, Rennes, France
| | - Karim Boudjema
- Service de chirurgie hépatobiliaire et digestive, Hôpital Pontchaillou, Université de Rennes 1, Rennes, France
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