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Felgendreff P, Hosseiniasl SM, Minshew A, Amiot BP, Wilken S, Ahmadzada B, Huebert RC, Sakrikar NJ, Engles NG, Halsten P, Mariakis K, Barry J, Riesgraf S, Fecteau C, Ross JJ, Nyberg SL. First Application of a Mixed Porcine-Human Repopulated Bioengineered Liver in a Preclinical Model of Post-Resection Liver Failure. Biomedicines 2024; 12:1272. [PMID: 38927479 PMCID: PMC11201206 DOI: 10.3390/biomedicines12061272] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2024] [Revised: 05/15/2024] [Accepted: 05/22/2024] [Indexed: 06/28/2024] Open
Abstract
In this study, a mixed porcine-human bioengineered liver (MPH-BEL) was used in a preclinical setup of extracorporeal liver support devices as a treatment for a model of post-resection liver failure (PRLF). The potential for human clinical application is further illustrated by comparing the functional capacity of MPH-BEL grafts as assessed using this porcine PRLF model with fully human (FH-BEL) grafts which were perfused and assessed in vitro. BEL grafts were produced by reseeding liver scaffolds with HUVEC and primary porcine hepatocytes (MPH-BEL) or primary human hepatocytes (FH-BEL). PRLF was induced by performing an 85% liver resection in domestic white pigs and randomized into the following three groups 24 h after resection: standard medical therapy (SMT) alone, SMT + extracorporeal circuit (ECC), and SMT + MPH-BEL. The detoxification and metabolic functions of the MPH-BEL grafts were compared to FH-BEL grafts which were perfused in vitro. During the 24 h treatment interval, INR values normalized within 18 h in the MPH-BEL therapy group and urea synthesis increased as compared to the SMT and SMT + ECC control groups. The MPH-BEL treatment was associated with more rapid decline in hematocrit and platelet count compared to both control groups. Histological analysis demonstrated platelet sequestration in the MPH-BEL grafts, possibly related to immune activation. Significantly higher rates of ammonia clearance and metabolic function were observed in the FH-BEL grafts perfused in vitro than in the MPH-BEL grafts. The MPH-BEL treatment was associated with improved markers of liver function in PRLF. Further improvement in liver function in the BEL grafts was observed by seeding the biomatrix with human hepatocytes. Methods to reduce platelet sequestration within BEL grafts is an area of ongoing research.
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Affiliation(s)
- Philipp Felgendreff
- Department of Surgery, Mayo Clinic, Rochester, MN 55902, USA; (S.M.H.); (A.M.); (B.P.A.); (S.W.); (B.A.); (S.L.N.)
- Department of General, Visceral and Transplantation Surgery, Hannover Medical School, 30625 Hannover, Germany
| | - Seyed Mohammad Hosseiniasl
- Department of Surgery, Mayo Clinic, Rochester, MN 55902, USA; (S.M.H.); (A.M.); (B.P.A.); (S.W.); (B.A.); (S.L.N.)
| | - Anna Minshew
- Department of Surgery, Mayo Clinic, Rochester, MN 55902, USA; (S.M.H.); (A.M.); (B.P.A.); (S.W.); (B.A.); (S.L.N.)
| | - Bruce P. Amiot
- Department of Surgery, Mayo Clinic, Rochester, MN 55902, USA; (S.M.H.); (A.M.); (B.P.A.); (S.W.); (B.A.); (S.L.N.)
| | - Silvana Wilken
- Department of Surgery, Mayo Clinic, Rochester, MN 55902, USA; (S.M.H.); (A.M.); (B.P.A.); (S.W.); (B.A.); (S.L.N.)
| | - Boyukkhanim Ahmadzada
- Department of Surgery, Mayo Clinic, Rochester, MN 55902, USA; (S.M.H.); (A.M.); (B.P.A.); (S.W.); (B.A.); (S.L.N.)
| | - Robert C. Huebert
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN 55902, USA; (R.C.H.); (N.J.S.); (N.G.E.)
| | - Nidhi Jalan Sakrikar
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN 55902, USA; (R.C.H.); (N.J.S.); (N.G.E.)
| | - Noah G. Engles
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN 55902, USA; (R.C.H.); (N.J.S.); (N.G.E.)
| | - Peggy Halsten
- Miromatrix Medical Inc., Eden Prairie, MN 55344, USA; (P.H.); (K.M.); (J.B.); (S.R.); (C.F.); (J.J.R.)
| | - Kendra Mariakis
- Miromatrix Medical Inc., Eden Prairie, MN 55344, USA; (P.H.); (K.M.); (J.B.); (S.R.); (C.F.); (J.J.R.)
| | - John Barry
- Miromatrix Medical Inc., Eden Prairie, MN 55344, USA; (P.H.); (K.M.); (J.B.); (S.R.); (C.F.); (J.J.R.)
| | - Shawn Riesgraf
- Miromatrix Medical Inc., Eden Prairie, MN 55344, USA; (P.H.); (K.M.); (J.B.); (S.R.); (C.F.); (J.J.R.)
| | - Chris Fecteau
- Miromatrix Medical Inc., Eden Prairie, MN 55344, USA; (P.H.); (K.M.); (J.B.); (S.R.); (C.F.); (J.J.R.)
| | - Jeffrey J. Ross
- Miromatrix Medical Inc., Eden Prairie, MN 55344, USA; (P.H.); (K.M.); (J.B.); (S.R.); (C.F.); (J.J.R.)
| | - Scott L. Nyberg
- Department of Surgery, Mayo Clinic, Rochester, MN 55902, USA; (S.M.H.); (A.M.); (B.P.A.); (S.W.); (B.A.); (S.L.N.)
- William J. von Liebig Center for Transplantation and Clinical Regeneration, Mayo Clinic, Rochester, MN 55902, USA
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Giabicani M, Joly P, Sigaut S, Timsit C, Devauchelle P, Dondero F, Durand F, Froissant PA, Lamamri M, Payancé A, Restoux A, Roux O, Thibault-Sogorb T, Valainathan SR, Lesurtel M, Rautou PE, Weiss E. Predictive role of hepatic venous pressure gradient in bleeding events among patients with cirrhosis undergoing orthotopic liver transplantation. JHEP Rep 2024; 6:101051. [PMID: 38699073 PMCID: PMC11060951 DOI: 10.1016/j.jhepr.2024.101051] [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: 01/19/2024] [Revised: 01/31/2024] [Accepted: 02/14/2024] [Indexed: 05/05/2024] Open
Abstract
Background & Aims Major bleeding events during orthotopic liver transplantation (OLT) are associated with poor outcomes. The proportion of this risk related to portal hypertension is unclear. Hepatic venous pressure gradient (HVPG) is the gold standard for estimating portal hypertension. The aim of this study was to analyze the ability of HVPG to predict intraoperative major bleeding events during OLT in patients with cirrhosis. Methods We retrospectively analyzed a prospective database including all patients with cirrhosis who underwent OLT between 2010 and 2020 and had liver and right heart catheterizations as part of their pre-transplant assessment. The primary endpoint was the occurrence of an intraoperative major bleeding event. Results The 468 included patients had a median HVPG of 17 mmHg [interquartile range, 13-22] and a median MELD on the day of OLT of 16 [11-24]. Intraoperative red blood cell transfusion was required in 72% of the patients (median 2 units transfused), with a median blood loss of 1,000 ml [575-1,500]. Major intraoperative bleeding occurred in 156 patients (33%) and was associated with HVPG, preoperative hemoglobin level, severity of cirrhosis at the time of OLT (MELD score, ascites, encephalopathy), hemostasis impairment (thrombocytopenia, lower fibrinogen levels), and complications of cirrhosis (sepsis, acute-on-chronic liver failure). By multivariable regression analysis with backward elimination, HVPG, preoperative hemoglobin level, MELD score, and tranexamic acid infusion were associated with the primary endpoint. Three categories of patients were identified according to HVPG: low-risk (HVPG <16 mmHg), high-risk (HVGP ≥16 mmHg), and very high-risk (HVPG ≥20 mmHg). Conclusions HVPG predicted major bleeding events in patients with cirrhosis undergoing OLT. Including HVPG as part of pre-transplant assessment might enable better anticipation of the intraoperative course. Impact and implications Major bleeding events during orthotopic liver transplantation (OLT) are associated with poor outcomes but the proportion of this risk related to portal hypertension is unclear. Our work shows that hepatic venous pressure gradient (HVPG), the gold standard for estimating portal hypertension, is a strong predictor of major bleeding events and blood loss volume in patients with cirrhosis undergoing OLT. Three groups of patients can be identified according to their risk of major bleeding events: low-risk patients with HVPG <16 mmHg, high-risk patients with HVPG ≥16 mmHg, and very high-risk patients with HVPG ≥20 mmHg. HVPG could be systematically included in the pre-transplant assessment to anticipate intraoperative course and tailor patient management.
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Affiliation(s)
- Mikhael Giabicani
- Département d’anesthésie réanimation, AP-HP, Hôpital Beaujon, DMU PARABOL, Clichy, France
- Université Paris-Cité, Paris, France
| | - Pauline Joly
- Département d’anesthésie réanimation, AP-HP, Hôpital Beaujon, DMU PARABOL, Clichy, France
| | - Stéphanie Sigaut
- Département d’anesthésie réanimation, AP-HP, Hôpital Beaujon, DMU PARABOL, Clichy, France
| | - Clara Timsit
- Département d’anesthésie réanimation, AP-HP, Hôpital Beaujon, DMU PARABOL, Clichy, France
| | - Pauline Devauchelle
- Département d’anesthésie réanimation, AP-HP, Hôpital Beaujon, DMU PARABOL, Clichy, France
| | - Fédérica Dondero
- Departement of HPB Surgery & Liver Transplantation, AP-HP, Beaujon Hospital, DMU DIGEST, Université Paris-Cité, Clichy, France
| | - François Durand
- Service d'Hépatologie, AP-HP, Hôpital Beaujon, DMU DIGEST, Centre de Référence des Maladies Vasculaires du Foie, FILFOIE, ERN RARE-LIVER, Clichy, France
- Université Paris-Cité, Inserm, Centre de recherche sur l'inflammation, UMR 1149, Paris, France
| | | | - Myriam Lamamri
- Département d’anesthésie réanimation, AP-HP, Hôpital Beaujon, DMU PARABOL, Clichy, France
| | - Audrey Payancé
- Service d'Hépatologie, AP-HP, Hôpital Beaujon, DMU DIGEST, Centre de Référence des Maladies Vasculaires du Foie, FILFOIE, ERN RARE-LIVER, Clichy, France
- Université Paris-Cité, Inserm, Centre de recherche sur l'inflammation, UMR 1149, Paris, France
| | - Aymeric Restoux
- Département d’anesthésie réanimation, AP-HP, Hôpital Beaujon, DMU PARABOL, Clichy, France
| | - Olivier Roux
- Service d'Hépatologie, AP-HP, Hôpital Beaujon, DMU DIGEST, Centre de Référence des Maladies Vasculaires du Foie, FILFOIE, ERN RARE-LIVER, Clichy, France
| | | | - Shantha Ram Valainathan
- Service d'Hépatologie, AP-HP, Hôpital Beaujon, DMU DIGEST, Centre de Référence des Maladies Vasculaires du Foie, FILFOIE, ERN RARE-LIVER, Clichy, France
| | - Mickaël Lesurtel
- Université Paris-Cité, Inserm, Centre de recherche sur l'inflammation, UMR 1149, Paris, France
- Departement of HPB Surgery & Liver Transplantation, AP-HP, Beaujon Hospital, DMU DIGEST, Université Paris-Cité, Clichy, France
| | - Pierre-Emmanuel Rautou
- Service d'Hépatologie, AP-HP, Hôpital Beaujon, DMU DIGEST, Centre de Référence des Maladies Vasculaires du Foie, FILFOIE, ERN RARE-LIVER, Clichy, France
- Université Paris-Cité, Inserm, Centre de recherche sur l'inflammation, UMR 1149, Paris, France
| | - Emmanuel Weiss
- Département d’anesthésie réanimation, AP-HP, Hôpital Beaujon, DMU PARABOL, Clichy, France
- Université Paris-Cité, Inserm, Centre de recherche sur l'inflammation, UMR 1149, Paris, France
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Keltner NM, Cushing MM, Haas T, Spinella PC. Analyzing and modeling massive transfusion strategies and the role of fibrinogen-How much is the patient actually receiving? Transfusion 2024; 64 Suppl 2:S136-S145. [PMID: 38433522 DOI: 10.1111/trf.17774] [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: 12/30/2023] [Revised: 02/14/2024] [Accepted: 02/15/2024] [Indexed: 03/05/2024]
Abstract
BACKGROUND Hemorrhage is a leading cause of preventable death in trauma, cardiac surgery, liver transplant, and childbirth. While emphasis on protocolization and ratio of blood product transfusion improves ability to treat hemorrhage rapidly, tools to facilitate understanding of the overall content of a specific transfusion strategy are lacking. Medical modeling can provide insights into where deficits in treatment could arise and key areas for clinical study. By using a transfusion model to gain insight into the aggregate content of massive transfusion protocols (MTPs), clinicians can optimize protocols and create opportunities for future studies of precision transfusion medicine in hemorrhage treatment. METHODS The transfusion model describes the individual round and aggregate content provided by four rounds of MTP, illustrating that the total content of blood elements and coagulation factor changes over time, independent of the patient's condition. The configurable model calculates the aggregate hematocrit, platelet concentration, percent volume plasma, total grams and concentration of citrate, percent volume anticoagulant and additive solution, and concentration of clotting factors: fibrinogen, factor XIII, factor VIII, and von Willebrand factor, provided by the MTP strategy. RESULTS Transfusion strategies based on a 1:1:1 or whole blood foundation provide between 13.7 and 17.2 L of blood products over four rounds. Content of strategies varies widely across all measurements based on base strategy and addition of concentrated sources of fibrinogen and other key clotting factors. DISCUSSION Differences observed between modeled transfusion strategies provide key insights into potential opportunities to provide patients with precision transfusion strategy.
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Affiliation(s)
| | - Melissa M Cushing
- Department of Pathology and Laboratory Medicine and Department of Anesthesiology, Weill Cornell Medicine, New York, New York, USA
| | - Thorsten Haas
- Department of Anesthesiology, University of Florida, College of Medicine, Gainesville, Florida, USA
| | - Philip C Spinella
- Department of Surgery and Critical Care Medicine, University of Pittsburgh School of Medicine, UPMC Children's Hospital of Pittsburgh, Pittsburgh, Pennsylvania, USA
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Soucy-Proulx M, Kato H, Coeckelenbergh S, Naili Kortaia S, Herboulier L, Pittau G, Pham P, Lemoine A, Duranteau J, Roullet S. Sonorheometry Device Thresholds in Liver Transplantation: An Observational Retrospective Study. J Clin Med 2024; 13:696. [PMID: 38337389 PMCID: PMC10856129 DOI: 10.3390/jcm13030696] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Revised: 01/17/2024] [Accepted: 01/18/2024] [Indexed: 02/12/2024] Open
Abstract
BACKGROUND Liver transplantation (LT) remains a potentially haemorrhagic procedure whose perioperative bleeding and transfusion could be better monitored using point-of-care devices. Quantra® is a device based on sonorheometry to assess whole blood clot formation. Our aims were to describe Quantra® parameters during LT and to study their correlations with standard laboratory parameters, and to determine Quantra® cut-off values for thrombocytopenia, hypofibrinogenemia and coagulation factors' deficit. METHODS In 34 patients undergoing LT, blood samples were collected before surgical incision, 15 min after the beginning of the anhepatic phase, and 15 min after arterial revascularization of the graft. RESULTS Clotting time (CT) was well correlated with prothrombin (PT) ratio and activated partial thromboplastin time (aPTT) ratio. Platelet contribution to clot stiffness (PCS) was correlated with platelets (ρ = 0.82, p < 0.001) and fibrinogen contribution clot stiffness (FCS) with fibrinogen (Fg) (ρ = 0.74, p < 0.001). CT predicted a PT ratio < 30% with an area under the curve (AUC) of 0.93 (95% CI 0.87-0.98; p < 0.001). PCS predicted a platelet count < 50 G/L with an AUC of 0.87 (95% CI 0.76-0.98, p < 0.001). FCS predicted a Fg < 1.0, 1.2 or 1.5 g/L, with an AUC of 0.86 (95% CI 0.77-094, p < 0.001), 0.82 (95% CI 0.74-0.91, p < 0.001) and 0.88 (95% CI 0.82-0.95, p < 0.001), respectively. CONCLUSION Quantra® provides a rapid assessment of haemostasis during LT.
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Affiliation(s)
- Maxim Soucy-Proulx
- Service d’Anesthésie-Réanimation, Hôpital Paul Brousse, Assistance Publique—Hôpitaux de Paris (AP-HP), Université Paris Saclay, 94800 Villejuif, France; (M.S.-P.); (H.K.); (S.C.); (S.N.K.); (L.H.)
- Department of Anesthesiology, Centre Hospitalier de l’Université de Montréal, Montreal, QC H2X 0A9, Canada
| | - Hiromi Kato
- Service d’Anesthésie-Réanimation, Hôpital Paul Brousse, Assistance Publique—Hôpitaux de Paris (AP-HP), Université Paris Saclay, 94800 Villejuif, France; (M.S.-P.); (H.K.); (S.C.); (S.N.K.); (L.H.)
| | - Sean Coeckelenbergh
- Service d’Anesthésie-Réanimation, Hôpital Paul Brousse, Assistance Publique—Hôpitaux de Paris (AP-HP), Université Paris Saclay, 94800 Villejuif, France; (M.S.-P.); (H.K.); (S.C.); (S.N.K.); (L.H.)
- Outcomes Research Consortium, Cleveland, OH 44195, USA
| | - Salima Naili Kortaia
- Service d’Anesthésie-Réanimation, Hôpital Paul Brousse, Assistance Publique—Hôpitaux de Paris (AP-HP), Université Paris Saclay, 94800 Villejuif, France; (M.S.-P.); (H.K.); (S.C.); (S.N.K.); (L.H.)
| | - Laurence Herboulier
- Service d’Anesthésie-Réanimation, Hôpital Paul Brousse, Assistance Publique—Hôpitaux de Paris (AP-HP), Université Paris Saclay, 94800 Villejuif, France; (M.S.-P.); (H.K.); (S.C.); (S.N.K.); (L.H.)
| | - Gabriella Pittau
- Centre Hépato-Biliaire, Hôpital Paul Brousse, Assistance Publique—Hôpitaux de Paris (AP-HP), Université Paris Saclay, 94800 Villejuif, France;
| | - Patrick Pham
- Service de Biochimie et Oncogénétique, Hôpital Paul Brousse, Assistance Publique—Hôpitaux de Paris (AP-HP), Université Paris Saclay, 94800 Villejuif, France; (P.P.); (A.L.)
| | - Antoinette Lemoine
- Service de Biochimie et Oncogénétique, Hôpital Paul Brousse, Assistance Publique—Hôpitaux de Paris (AP-HP), Université Paris Saclay, 94800 Villejuif, France; (P.P.); (A.L.)
| | - Jacques Duranteau
- Department of Anesthesiology and Intensive Care, Bicêtre Hospital, Assistance Publique Hôpitaux de Paris (AP-HP), Université Paris Saclay, 94276 Le Kremlin-Bicêtre, France;
| | - Stéphanie Roullet
- Service d’Anesthésie-Réanimation, Hôpital Paul Brousse, Assistance Publique—Hôpitaux de Paris (AP-HP), Université Paris Saclay, 94800 Villejuif, France; (M.S.-P.); (H.K.); (S.C.); (S.N.K.); (L.H.)
- INSERM, Hémostase Inflammation Thrombose HITH U1176, Université Paris Saclay, 94276 Le Kremlin-Bicêtre, France
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Thibeault F, Plourde G, Fellouah M, Ziegler D, Carrier FM. Preoperative fibrinogen level and blood transfusions in liver transplantation: A systematic review. Transplant Rev (Orlando) 2023; 37:100797. [PMID: 37778295 DOI: 10.1016/j.trre.2023.100797] [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: 07/24/2023] [Revised: 09/03/2023] [Accepted: 09/23/2023] [Indexed: 10/03/2023]
Abstract
BACKGROUND Orthotopic liver transplantation (OLT) is a major surgery often associated with significant bleeding. We conducted a systematic review to explore the association between preoperative fibrinogen level and intraoperative blood products transfusion, blood loss and clinical outcomes in patients undergoing OLT. METHODS We included observational studies conducted in patients undergoing an OLT mostly for end-stage liver disease that reported an association between the preoperative fibrinogen level and our outcomes of interest. Our primary outcome was the intraoperative red blood cell (RBC) transfusion requirements. Our secondary outcomes were intraoperative blood loss, intraoperative transfusion of any blood product, postoperative RBC transfusion, postoperative thrombotic or hemorrhagic complications, and mortality. We used a standardized search strategy. We reported our results mostly descriptively but conducted meta-analyses using random-effect models when judged feasible. RESULTS We selected 24 cohort studies reporting at least one of our outcomes. We found that a high preoperative fibrinogen level was associated with fewer intraoperative RBC and other blood products transfusions, and lower blood loss. We also found a lower overall survival in patients with a higher fibrinogen level (pooled hazard ratio [95% CI] of 1.50 [1.23 to 1.84]; 5 studies, n = 1012, I2 = 48%). Only one study formally explored a fibrinogen level threshold effect. Overall, reporting was heterogeneous, and risk of bias was variable mostly because of uncontrolled confounding. CONCLUSION A higher preoperative fibrinogen level was associated with fewer intraoperative RBC and other blood products transfusions, lower blood loss, and higher mortality. Further studies may help clarify observed associations and inform guidelines.
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Affiliation(s)
| | - Guillaume Plourde
- Department of Medicine, Critical Care service, Centre hospitalier de l'Université de Montréal (CHUM), Canada; Health evaluation and innovation hub, Centre de Recherche du CHUM, Canada; Department of Medicine, Université de Montréal, Canada
| | | | - Daniela Ziegler
- Library, Centre hospitalier de l'Université de Montréal (CHUM), Canada
| | - François Martin Carrier
- Department of Medicine, Critical Care service, Centre hospitalier de l'Université de Montréal (CHUM), Canada; Health evaluation and innovation hub, Centre de Recherche du CHUM, Canada; Department of Anesthesiology, Centre hospitalier de l'Université de Montréal (CHUM), Canada; Department of Anesthesiology and Pain Medicine, Université de Montréal, Canada.
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