51
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Chazouilleres O, Beuers U, Bergquist A, Karlsen TH, Levy C, Samyn M, Schramm C, Trauner M. EASL Clinical Practice Guidelines on sclerosing cholangitis. J Hepatol 2022; 77:761-806. [PMID: 35738507 DOI: 10.1016/j.jhep.2022.05.011] [Citation(s) in RCA: 94] [Impact Index Per Article: 47.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Accepted: 05/16/2022] [Indexed: 02/07/2023]
Abstract
Management of primary or secondary sclerosing cholangitis is challenging. These Clinical Practice Guidelines have been developed to provide practical guidance on debated topics including diagnostic methods, prognostic assessment, early detection of complications, optimal care pathways and therapeutic (pharmacological, endoscopic or surgical) options both in adults and children.
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Development of a prognostic MRCP score (DiStrict) for patients with large-duct primary sclerosing cholangitis. JHEP Rep 2022; 4:100595. [DOI: 10.1016/j.jhepr.2022.100595] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Revised: 09/13/2022] [Accepted: 09/14/2022] [Indexed: 11/19/2022] Open
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Özdirik B, Maibier M, Scherf M, Nicklaus JM, Frohme J, Puengel T, Meyer zum Büschenfelde D, Tacke F, Mueller T, Sigal M. Soluble Urokinase Plasminogen Activator Receptor Levels Are Associated with Severity of Fibrosis in Patients with Primary Sclerosing Cholangitis. J Clin Med 2022; 11:jcm11092479. [PMID: 35566603 PMCID: PMC9105770 DOI: 10.3390/jcm11092479] [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: 04/07/2022] [Revised: 04/23/2022] [Accepted: 04/26/2022] [Indexed: 12/07/2022] Open
Abstract
The soluble urokinase-type plasminogen activator receptor (suPAR) has evolved as a useful biomarker for different entities of chronic liver disease. However, its role in patients with primary sclerosing cholangitis (PSC) is obscure. We analyzed plasma levels of suPAR in 84 patients with PSC and compared them to 68 patients with inflammatory bowel disease (IBD) without PSC and to 40 healthy controls. Results are correlated with clinical records. suPAR concentrations were elevated in patients with PSC compared to patients with IBD only and to healthy controls (p < 0.001). Elevated suPAR levels were associated with the presence of liver cirrhosis (p < 0.001) and signs of portal hypertension (p < 0.001). suPAR revealed a high accuracy for the discrimination of the presence of liver cirrhosis comparable to previously validated noninvasive fibrosis markers (area under the curve (AUC) 0.802 (95%CI: 0.702−0.902)). Further, we demonstrated that suPAR levels may indicate the presence of acute cholangitis episodes (p < 0.001). Finally, despite the high proportion of PSC patients with IBD, presence of IBD and its disease activity did not influence circulating suPAR levels. suPAR represents a previously unrecognized biomarker for diagnosis and liver cirrhosis detection in patients with PSC. However, it does not appear to be confounded by intestinal inflammation in the context of IBD.
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Affiliation(s)
- Burcin Özdirik
- Department of Hepatology and Gastroenterology, Campus Virchow Klinikum (CVK) and Campus Charité Mitte (CCM), Charité Universitätsmedizin Berlin, Augustenburger Platz 1, 13353 Berlin, Germany; (M.M.); (M.S.); (J.M.N.); (J.F.); (T.P.); (F.T.); (T.M.); (M.S.)
- Berlin Institute of Health, 10178 Berlin, Germany
- Correspondence: ; Tel.: +49-30-450-656-004; Fax: +49-30-450-553-902
| | - Martin Maibier
- Department of Hepatology and Gastroenterology, Campus Virchow Klinikum (CVK) and Campus Charité Mitte (CCM), Charité Universitätsmedizin Berlin, Augustenburger Platz 1, 13353 Berlin, Germany; (M.M.); (M.S.); (J.M.N.); (J.F.); (T.P.); (F.T.); (T.M.); (M.S.)
| | - Maria Scherf
- Department of Hepatology and Gastroenterology, Campus Virchow Klinikum (CVK) and Campus Charité Mitte (CCM), Charité Universitätsmedizin Berlin, Augustenburger Platz 1, 13353 Berlin, Germany; (M.M.); (M.S.); (J.M.N.); (J.F.); (T.P.); (F.T.); (T.M.); (M.S.)
| | - Jule Marie Nicklaus
- Department of Hepatology and Gastroenterology, Campus Virchow Klinikum (CVK) and Campus Charité Mitte (CCM), Charité Universitätsmedizin Berlin, Augustenburger Platz 1, 13353 Berlin, Germany; (M.M.); (M.S.); (J.M.N.); (J.F.); (T.P.); (F.T.); (T.M.); (M.S.)
| | - Josephine Frohme
- Department of Hepatology and Gastroenterology, Campus Virchow Klinikum (CVK) and Campus Charité Mitte (CCM), Charité Universitätsmedizin Berlin, Augustenburger Platz 1, 13353 Berlin, Germany; (M.M.); (M.S.); (J.M.N.); (J.F.); (T.P.); (F.T.); (T.M.); (M.S.)
| | - Tobias Puengel
- Department of Hepatology and Gastroenterology, Campus Virchow Klinikum (CVK) and Campus Charité Mitte (CCM), Charité Universitätsmedizin Berlin, Augustenburger Platz 1, 13353 Berlin, Germany; (M.M.); (M.S.); (J.M.N.); (J.F.); (T.P.); (F.T.); (T.M.); (M.S.)
- Berlin Institute of Health, 10178 Berlin, Germany
| | - Dirk Meyer zum Büschenfelde
- Charité—Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Institute of Laboratory Medicine, Clinical Chemistry and Pathobiochemistry, 13353 Berlin, Germany;
- Labor Berlin—Charité Vivantes GmbH, 13353 Berlin, Germany
| | - Frank Tacke
- Department of Hepatology and Gastroenterology, Campus Virchow Klinikum (CVK) and Campus Charité Mitte (CCM), Charité Universitätsmedizin Berlin, Augustenburger Platz 1, 13353 Berlin, Germany; (M.M.); (M.S.); (J.M.N.); (J.F.); (T.P.); (F.T.); (T.M.); (M.S.)
| | - Tobias Mueller
- Department of Hepatology and Gastroenterology, Campus Virchow Klinikum (CVK) and Campus Charité Mitte (CCM), Charité Universitätsmedizin Berlin, Augustenburger Platz 1, 13353 Berlin, Germany; (M.M.); (M.S.); (J.M.N.); (J.F.); (T.P.); (F.T.); (T.M.); (M.S.)
| | - Michael Sigal
- Department of Hepatology and Gastroenterology, Campus Virchow Klinikum (CVK) and Campus Charité Mitte (CCM), Charité Universitätsmedizin Berlin, Augustenburger Platz 1, 13353 Berlin, Germany; (M.M.); (M.S.); (J.M.N.); (J.F.); (T.P.); (F.T.); (T.M.); (M.S.)
- Berlin Institute for Medical Systems Biology (BIMSB), Max Delbrück Center for Molecular Medicine, 10115 Berlin, Germany
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54
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Eaton JE, Welle CL, Monahan H, Tahboub Amawi AD, Idilman I, Harmsen WS, Dzyubak B, Beiermann EW, Bakhshi Z, Gores GJ, LaRusso NF, Gossard AA, Lazaridis KN, Venkatesh SK. Comparative Performance of Quantitative and Qualitative Magnetic Resonance Imaging Metrics in Primary Sclerosing Cholangitis. GASTRO HEP ADVANCES 2022; 1:287-295. [PMID: 39131684 PMCID: PMC11307538 DOI: 10.1016/j.gastha.2022.01.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/03/2022] [Accepted: 01/05/2022] [Indexed: 08/13/2024]
Abstract
Background and Aims Several quantitative and qualitative magnetic resonance imaging (MRI) metrics have been reported to predict outcomes among those with primary sclerosing cholangitis (PSC). We aimed to compare the reproducibility and prognostic performances of MRI biomarkers and examine if combining these measurements adds value. Methods We performed a retrospective review of 388 patients with PSC who underwent a magnetic resonance elastography and magnetic resonance cholangiopancreatography. Liver stiffness (LS) was determined by validated automated software, whereas spleen volume was calculated by semiautomated software, and radiologists manually determined the ANALI scores. The primary endpoint was hepatic decompensation. Results LS and spleen volume values had perfect and near-perfect agreement (intraclass correlation coefficient of 1.00 and 0.9996, respectively), whereas ANALI with and without gadolinium had a moderate inter-rater agreement between 3 radiologists (kappa = 0.42-0.54 and 0.46-0.57, respectively). As a continuous variable, LS alone was the best predictor of hepatic decompensation (concordance score = 0.90; 95% confidence interval, 0.87-0.93). A quantitative-only MRI model [LS (>4.70 kPa = 2 or ≤4.70 kPa = 0) + spleen volume (>600 mm3 = 1 or ≤600 mm3 = 0)] had the optimal reproducibility and performance (concordance score = 0.85; 95% confidence interval = 0.80-0.89) and enabled patient risk stratification by estimating the 5-year incidence of hepatic decompensation: 7.49%, 44.50%, 70.00%, and 91.30% (score 0-3). Conclusion Quantitative MRI markers of fibrosis and portal hypertension generated by automated and semiautomated software are highly reproducible. LS is the single best imaging predictor of hepatic decompensation. However, a quantitative MRI score using LS and spleen volume is well suited to risk stratify those with PSC.
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Affiliation(s)
- John E. Eaton
- Division of Gastroenterology & Hepatology, Mayo Clinic, Rochester, Minnesota
| | | | - Hannah Monahan
- Department of Radiology, Mayo Clinic, Rochester, Minnesota
| | | | - Ilkay Idilman
- Department of Radiology, Mayo Clinic, Rochester, Minnesota
| | - William S. Harmsen
- Division of Biomedical Statistics and Informatics, Mayo Clinic, Rochester, Minnesota
| | - Bogdan Dzyubak
- Department of Radiology, Mayo Clinic, Rochester, Minnesota
| | | | - Zeinab Bakhshi
- Division of Gastroenterology & Hepatology, Mayo Clinic, Rochester, Minnesota
| | - Gregory J. Gores
- Division of Gastroenterology & Hepatology, Mayo Clinic, Rochester, Minnesota
| | - Nicholas F. LaRusso
- Division of Gastroenterology & Hepatology, Mayo Clinic, Rochester, Minnesota
| | - Andrea A. Gossard
- Division of Gastroenterology & Hepatology, Mayo Clinic, Rochester, Minnesota
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55
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Chazouillères O, Potier P, Bouzbib C, Hanslik B, Heurgue A, NGuyen-Khac E, Gournay J, Tanne F, Bureau C, Bourlière M, Ganne-Carrié N, de Lédinghen V. Non-invasive diagnosis and follow-up of primary sclerosing cholangitis. Clin Res Hepatol Gastroenterol 2022; 46:101775. [PMID: 34332142 DOI: 10.1016/j.clinre.2021.101775] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/11/2021] [Accepted: 07/23/2021] [Indexed: 02/04/2023]
Abstract
Primary sclerosing cholangitis (PSC) is a rare and chronic cholestatic liver disease of unknown cause commonly associated with inflammatory bowel disease (IBD) and characterized by progressive obliterative fibro-inflammation of the biliary tree. Although the natural course is highly variable, PSC is often progressive, leading to biliary cirrhosis and its complications. In addition, PSC is a condition harbouring broad neoplastic potential with increased susceptibility for the development of both biliary and colon cancer. As in other chronic liver diseases, non-invasive methods play a major role in the diagnosis and monitoring of PSC. MR cholangiography is the key exam for the diagnosis and has replaced diagnostic endoscopic retrograde cholangiopancreatography (ERCP). A strict and standardised protocol for carrying out MR cholangiography is recommended. Liver stiffness measured by FibroScan® correlates with the degree of liver fibrosis, has a prognostic value and should be repeated during follow-up. Invasive methods still play an important role, especially ERCP which is indicated for therapeutic purposes or for endo-biliary sample collection in suspected cholangiocarcinoma (following discussion in a multidisciplinary team meeting) and total colonoscopy which is recommended at the initial diagnosis of any PSC and annually in patients with IBD.
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Affiliation(s)
- Olivier Chazouillères
- Service d'hépato-gastroentérologie, Hôpital Saint Antoine, APHP, 184 Rue du Faubourg Saint-Antoine, 75012 Paris, France.
| | - Pascal Potier
- Service d'hépato-gastroentérologie et oncologie digestive, CHR Orléans, Orléans, France
| | - Charlotte Bouzbib
- Service d'Hépatologie, Hopital Pitié Salpêtrière, APHP, Paris, France
| | - Bertrand Hanslik
- Centre Montpelliérain des maladies du foie et de l'appareil digestif, Montpellier, France
| | - Alexandra Heurgue
- Service d'hépato-gastroentérologie et cancérologie digestive, CHU Reims, Reims, France
| | - Eric NGuyen-Khac
- Service d'hépato-gastroentérologie, CHU Amiens-Picardie, Amiens, France
| | - Jérôme Gournay
- Service d'hépato-gastro-entérologie, cancérologie digestive et assistance nutritionnelle, CHU Nantes, Nantes, France
| | - Florence Tanne
- Service d'hépato-gastro-entérologie, CHRU Brest Cavale Blanche, Brest, France
| | - Christophe Bureau
- Service d'hépatologie, Hôpital Rangueil, CHU Toulouse, Toulouse, France
| | - Marc Bourlière
- Service d'hépato-gastroentérologie, Hôpital Saint Joseph & INSERM UMR 1252 IRD SESSTIM Aix Marseille Université, Marseille, France
| | - Nathalie Ganne-Carrié
- Service d'hépatologie, Hôpital Avicenne, APHP, Université Sorbonne Paris Nord, INSERM UMR 1138, Centre de Recherche des Cordeliers, Université de Paris, Bobigny, France
| | - Victor de Lédinghen
- Service d'hépato-gastroentérologie, Hôpital Haut-Lévêque, CHU Bordeaux, pessac & INSERM U1053, Université de Bordeaux, Bordeaux, France
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56
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Dumortier J, Besch C, Moga L, Coilly A, Conti F, Corpechot C, Del Bello A, Faitot F, Francoz C, Hilleret MN, Houssel-Debry P, Jezequel C, Lavayssière L, Neau-Cransac M, Erard-Poinsot D, de Lédinghen V, Bourlière M, Bureau C, Ganne-Carrié N. Non-invasive diagnosis and follow-up in liver transplantation. Clin Res Hepatol Gastroenterol 2022; 46:101774. [PMID: 34332131 DOI: 10.1016/j.clinre.2021.101774] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/11/2021] [Accepted: 07/23/2021] [Indexed: 02/04/2023]
Abstract
The field of liver transplantation directly or indirectly embodies all liver diseases, in addition to specific ones related to organ rejection (cellular and humoral). The recommended non-invasive methods for determining the indication for liver transplantation are the Model for End-stage Liver Disease score, and the alpha-foetoprotein score in case of hepatocellular carcinoma. Radiological methods are the cornerstones for the diagnosis of vascular and biliary complications after liver transplantation. The possible diseases of the liver graft after transplantation are multiple and often intertwined. Non-invasive diagnostic methods have been poorly evaluated in this context, apart from the recurrence of hepatitis C. Liver biopsy remains the gold standard for evaluating graft lesions in the majority of cases, especially graft rejection.
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Affiliation(s)
- Jérôme Dumortier
- Service d'hépato-gastroentérologie, Unité de transplantation hépatique, Hôpital Edouard Herriot - HCL, CHU Lyon, Lyon.
| | - Camille Besch
- Service de chirurgie hépato-bilio-pancréatique et transplantation hépatique, Hôpital Hautepierre, CHRU Strasbourg, Strasbourg
| | - Lucile Moga
- Service d'Hépatologie et Transplantation Hépatique, Hôpital Beaujon, APHP, Clichy
| | - Audrey Coilly
- Centre Hépato-Biliaire, Hôpital Paul Brousse, APHP, Villejuif
| | - Filomena Conti
- Service d'Hépatologie et Transplantation Hépatique, Hôpital de la Pitié Salpétrière, APHP, Paris
| | | | - Arnaud Del Bello
- Département de néphrologie et transplantation d'organes, Hôpital Rangueil, CHU Toulouse, Toulouse
| | - François Faitot
- Service de chirurgie hépato-bilio-pancréatique et transplantation hépatique, Hôpital Hautepierre, CHRU Strasbourg, Strasbourg
| | - Claire Francoz
- Service d'Hépatologie et Transplantation Hépatique, Hôpital Beaujon, APHP, Clichy
| | | | | | | | - Laurence Lavayssière
- Département de néphrologie et transplantation d'organes, Hôpital Rangueil, CHU Toulouse, Toulouse
| | | | - Domitille Erard-Poinsot
- Service d'hépato-gastroentérologie, Unité de transplantation hépatique, Hôpital Edouard Herriot - HCL, CHU Lyon, Lyon
| | - Victor de Lédinghen
- Unité Transplantation Hépatique, Hôpital Haut-Lévêque, CHU Bordeaux, Bordeaux
| | - Marc Bourlière
- Service d'hépato-gastroentérologie, Hôpital Saint Joseph & INSERM UMR 1252 IRD SESSTIM Aix Marseille Université, Marseille
| | | | - Nathalie Ganne-Carrié
- Service d'hépatologie, Hôpital Avicenne, APHP, Université Sorbonne Paris Nord, Bobigny & INSERM UMR 1138, Centre de Recherche des Cordeliers, Université de Paris
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57
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Ponsioen CY, Assis DN, Boberg KM, Bowlus CL, Deneau M, Thorburn D, Aabakken L, Färkkilä M, Petersen B, Rupp C, Hübscher SG. Defining Primary Sclerosing Cholangitis: Results From an International Primary Sclerosing Cholangitis Study Group Consensus Process. Gastroenterology 2021; 161:1764-1775.e5. [PMID: 34384749 DOI: 10.1053/j.gastro.2021.07.046] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/18/2021] [Accepted: 07/29/2021] [Indexed: 12/24/2022]
Affiliation(s)
- Cyriel Y Ponsioen
- Department of Gastroenterology and Hepatology, Amsterdam University Medical Centers, Location Academic Medical Center, Amsterdam, the Netherlands
| | - David N Assis
- Department of Medicine, Section of Digestive Diseases, Yale School of Medicine, New Haven, Connecticut
| | - Kirsten M Boberg
- Institute of Clinical Medicine, University of Oslo, Oslo, Norway; Section for Gastroenterology, Department of Transplantation Medicine, Division of Surgery, Inflammatory Medicine, and Transplantation, Oslo University Hospital Rikshospitalet, Oslo, Norway; ERN RARE Liver, Hamburg, Germany
| | - Christopher L Bowlus
- Division of Gastroenterology and Hepatology, University of California Davis School of Medicine, Sacramento, California
| | - Mark Deneau
- University of Utah and Intermountain Primary Children's Hospital, Salt Lake City, Utah
| | - Douglas Thorburn
- Sheila Sherlock Liver Centre, Royal Free Hospital and Institute for Liver and Digestive Health, University College London, London, United Kingdom; ERN RARE Liver, Hamburg, Germany
| | - Lars Aabakken
- Institute of Clinical Medicine, University of Oslo, Oslo, Norway; Section for Gastroenterology, Department of Transplantation Medicine, Division of Surgery, Inflammatory Medicine, and Transplantation, Oslo University Hospital Rikshospitalet, Oslo, Norway; ERN RARE Liver, Hamburg, Germany
| | - Martti Färkkilä
- Abdominal Center, Helsinki University Hospital, Helsinki, Finland; ERN RARE Liver, Hamburg, Germany
| | - Bret Petersen
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota
| | - Christian Rupp
- Department of Internal Medicine IV, Gastroenterology, and Hepatology, University Hospital Heidelberg, Heidelberg, Germany
| | - Stefan G Hübscher
- Institute of Immunology and Immunotherapy, University of Birmingham and, Department of Cellular Pathology, Queen Elizabeth Hospital, Birmingham, United Kingdom
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Panchani N, Schulz P, Van Zyl J, Felius J, Baxter R, Yoon ET, Baldawi H, Bindra A, Asrani SK. Liver stiffness and prediction of cardiac outcomes in patients with acute decompensated heart failure. Clin Transplant 2021; 36:e14545. [PMID: 34817905 DOI: 10.1111/ctr.14545] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Revised: 08/22/2021] [Accepted: 11/12/2021] [Indexed: 12/15/2022]
Abstract
BACKGROUND In acute decompensated heart failure (ADHF), noninvasive markers that predict morbidity and mortality are limited. Liver stiffness measurement (LSM) increases with hepatic fibrosis; however, it may be falsely elevated in patients with ADHF in the absence of liver disease. We investigated whether elevated LSM predicts cardiac outcomes in ADHF. METHODS In a prospective study, we examined 52 ADHF patients without liver disease between 2016 and 2017. Patients underwent liver 2D shear wave elastography (SWE) and were followed for 12 months to assess the outcomes of left ventricular assist device (LVAD), heart transplant (HT) or death. RESULTS The median LSM was elevated in patients who received an LVAD or HT within 30-days compared to those who did not (median [IQR]: 55.6 [22.5 - 63.4] vs 13.8 [9.5 - 40.3] kPa, p = .049). Moreover, the risk of composite outcome was highest in the 3rd tertile (> 39.8 kPa compared to 1st and 2nd combined, HR 2.83, 95% CI 1.20- 6.67, p = .02). Each 1-kPa increase in LSM was associated with a 1%-increase in the incidence rate of readmissions (IRR 1.01, 95% CI 1.00-1.02, p = .01). CONCLUSIONS LSM may serve as a novel noninvasive tool to determine LVAD, HT, or death in patients with ADHF.
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Affiliation(s)
- Nishah Panchani
- Tinsley Harrison Internal Medicine Residency Program, The University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Philipp Schulz
- Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin, Germany.,Baylor Scott & White Research Institute, Baylor University Medical Center, Dallas, Texas, USA
| | - Johanna Van Zyl
- Baylor Scott & White Research Institute, Baylor University Medical Center, Dallas, Texas, USA
| | - Joost Felius
- Baylor Scott & White Research Institute, Baylor University Medical Center, Dallas, Texas, USA
| | - Ronald Baxter
- Baylor Scott & White Research Institute, Baylor University Medical Center, Dallas, Texas, USA
| | - Eun Taek Yoon
- Texas A&M College of Medicine, College Station, Texas, USA
| | - Harith Baldawi
- Texas A&M College of Medicine, College Station, Texas, USA
| | - Amarinder Bindra
- Baylor Scott & White Research Institute, Baylor University Medical Center, Dallas, Texas, USA
| | - Sumeet K Asrani
- Baylor Scott & White Research Institute, Baylor University Medical Center, Dallas, Texas, USA
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Selvaraj EA, Ba-Ssalamah A, Poetter-Lang S, Ridgway GR, Brady JM, Collier J, Culver EL, Bailey A, Pavlides M. A Quantitative Magnetic Resonance Cholangiopancreatography Metric of Intrahepatic Biliary Dilatation Severity Detects High-Risk Primary Sclerosing Cholangitis. Hepatol Commun 2021; 6:795-808. [PMID: 34802195 PMCID: PMC8948671 DOI: 10.1002/hep4.1860] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Revised: 10/13/2021] [Accepted: 10/26/2021] [Indexed: 11/23/2022] Open
Abstract
Magnetic resonance imaging with magnetic resonance cholangiopancreatography (MRI‐MRCP) in primary sclerosing cholangitis (PSC) is currently based on qualitative assessment and has high interobserver variability. We investigated the utility and performance of quantitative metrics derived from a three‐dimensional biliary analysis tool in adult patients with PSC. MRI‐MRCP, blood‐based biomarkers, and FibroScan were prospectively performed in 80 participants with large‐duct PSC and 20 healthy participants. Quantitative analysis was performed using MRCP+ (Perspectum Ltd., United Kingdom), and qualitative reads were performed by radiologists. Inter‐reader agreements were compared. Patients were classified into high risk or low risk for disease progression, using Mayo risk score (MRS), Amsterdam‐Oxford model (AOM), upper limit of normal (ULN) alkaline phosphatase (ALP), disease distribution, and presence of dominant stricture. Performance of noninvasive tools was assessed using binomial logistic regressions and receiver operating characteristic curve analyses. Quantitative biliary metrics performed well to distinguish abnormal from normal bile ducts (P < 0.0001). Interobserver agreements for MRCP+ dilatation metrics (intraclass correlation coefficient, 0.90‐0.96) were superior to modified Amsterdam intrahepatic stricture severity score (κ = 0.74) and Anali score (κ = 0.38). MRCP+ intrahepatic dilatation severity showed excellent performance to classify patients into high‐risk and low‐risk groups, using predictors of disease severity as the reference (MRS, P < 0.0001; AOM, P = 0.0017; 2.2 × ULN ALP, P = 0.0007; 1.5 × ULN ALP, P = 0.0225; extrahepatic disease, P = 0.0331; dominant stricture, P = 0.0019). MRCP+ intrahepatic dilatation severity was an independent predictor of MRS >0 (odds ratio, 31.3; P = 0.035) in the multivariate analysis. Conclusion: Intrahepatic biliary dilatation severity calculated using MRCP+ is elevated in patients with high‐risk PSC and may be used as an adjunct for risk stratification in PSC. This exploratory study has provided the groundwork for examining the utility of novel quantitative biliary metrics in multicenter studies.
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Affiliation(s)
- Emmanuel A Selvaraj
- Oxford Centre for Clinical Magnetic Resonance Research, Radcliffe Department of Medicine, University of Oxford, Oxford, United Kingdom.,Translational Gastroenterology Unit, Nuffield Department of Medicine, University of Oxford, Oxford, United Kingdom.,National Institute for Health Research Oxford Biomedical Research Centre, University of Oxford, Oxford, United Kingdom.,Oxford University Hospitals National Health Service Foundation Trust, Oxford, United Kingdom
| | - Ahmed Ba-Ssalamah
- Medical University of Vienna, Department of Biomedical Imaging and Image-Guided Therapy, General Hospital of Vienna, Vienna, Austria
| | - Sarah Poetter-Lang
- Medical University of Vienna, Department of Biomedical Imaging and Image-Guided Therapy, General Hospital of Vienna, Vienna, Austria
| | | | - J Michael Brady
- Perspectum Ltd., Oxford, United Kingdom.,Department of Oncology, Medical Sciences Division, University of Oxford, Oxford, United Kingdom
| | - Jane Collier
- Translational Gastroenterology Unit, Nuffield Department of Medicine, University of Oxford, Oxford, United Kingdom
| | - Emma L Culver
- Translational Gastroenterology Unit, Nuffield Department of Medicine, University of Oxford, Oxford, United Kingdom.,National Institute for Health Research Oxford Biomedical Research Centre, University of Oxford, Oxford, United Kingdom.,Oxford University Hospitals National Health Service Foundation Trust, Oxford, United Kingdom
| | - Adam Bailey
- Translational Gastroenterology Unit, Nuffield Department of Medicine, University of Oxford, Oxford, United Kingdom.,National Institute for Health Research Oxford Biomedical Research Centre, University of Oxford, Oxford, United Kingdom.,Oxford University Hospitals National Health Service Foundation Trust, Oxford, United Kingdom
| | - Michael Pavlides
- Oxford Centre for Clinical Magnetic Resonance Research, Radcliffe Department of Medicine, University of Oxford, Oxford, United Kingdom.,Translational Gastroenterology Unit, Nuffield Department of Medicine, University of Oxford, Oxford, United Kingdom.,National Institute for Health Research Oxford Biomedical Research Centre, University of Oxford, Oxford, United Kingdom.,Oxford University Hospitals National Health Service Foundation Trust, Oxford, United Kingdom
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Saffioti F, Hall A, de Krijger M, Verheij J, Hübscher SG, Maurice J, Luong TV, Pinzani M, Ponsioen CY, Thorburn D. Collagen proportionate area correlates with histological stage and predicts clinical events in primary sclerosing cholangitis. Liver Int 2021; 41:2681-2692. [PMID: 34051052 DOI: 10.1111/liv.14979] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Revised: 04/25/2021] [Accepted: 05/25/2021] [Indexed: 12/20/2022]
Abstract
BACKGROUND & AIMS Primary sclerosing cholangitis (PSC) is a chronic cholestatic liver disease in need of accurate biomarkers for stratification and as surrogates for clinical endpoints in trials. Quantitative liver fibrosis assessment by collagen proportionate area (CPA) measurement has been demonstrated to correlate with clinical outcomes in chronic hepatitis C, alcohol-related and non-alcoholic fatty liver disease. We aimed to investigate the ability of CPA to quantify liver fibrosis and predict clinical events in PSC. METHODS Biopsies from 101 PSC patients from two European centres were retrospectively assessed by two expert pathologists in tandem, using grading (Ishak and Nakanuma) and staging (Ishak, Nakanuma, Ludwig) systems recently validated to predict clinical events in PSC. CPA was determined by image analysis of picro-Sirius red-stained sections following a standard protocol. We assessed the correlations between CPA, staging and grading and their associations with three outcomes: (1) time to PSC-related death, liver transplant or primary liver cancer; (2) liver transplant-free survival; (3) occurrence of cirrhosis-related clinical manifestations. RESULTS CPA correlated strongly with histological stage determined by each scoring system (P < .001) and was significantly associated with the three endpoints. Median time to endpoint-1, endpoint-2 and endpoint-3 was shorter in patients with higher CPA, on Kaplan-Meier analyses (P = .011, P = .034 and P = .001, respectively). CONCLUSION Quantitative fibrosis assessment by CPA has utility in PSC. It correlates with established histological staging systems and predicts clinical events. CPA may be a useful tool for staging fibrosis and for risk stratification in PSC and should be evaluated further within prospective clinical trials.
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Affiliation(s)
- Francesca Saffioti
- Sheila Sherlock Liver Centre, Royal Free London NHS Foundation Trust and UCL Institute for Liver and Digestive Health, University College of London, London, UK.,Department of Clinical and Experimental Medicine, University of Messina, Messina, Italy
| | - Andrew Hall
- Sheila Sherlock Liver Centre, Royal Free London NHS Foundation Trust and UCL Institute for Liver and Digestive Health, University College of London, London, UK.,Department of Cellular Pathology, Royal Free Hospital, London, UK
| | - Manon de Krijger
- Department of Gastroenterology and Hepatology, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Joanne Verheij
- Department of Pathology, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Stefan G Hübscher
- Institute of Immunology and Immunotherapy, University of Birmingham, Birmingham, UK.,Department of Cellular Pathology, Queen Elizabeth Hospital, Birmingham, UK
| | - James Maurice
- Sheila Sherlock Liver Centre, Royal Free London NHS Foundation Trust and UCL Institute for Liver and Digestive Health, University College of London, London, UK
| | - Tu Vinh Luong
- Department of Cellular Pathology, Royal Free Hospital, London, UK
| | - Massimo Pinzani
- Sheila Sherlock Liver Centre, Royal Free London NHS Foundation Trust and UCL Institute for Liver and Digestive Health, University College of London, London, UK
| | - Cyriel Y Ponsioen
- Department of Gastroenterology and Hepatology, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Douglas Thorburn
- Sheila Sherlock Liver Centre, Royal Free London NHS Foundation Trust and UCL Institute for Liver and Digestive Health, University College of London, London, UK
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Fossdal G, Mjelle AB, Wiencke K, Bjørk I, Gilja OH, Folseraas T, Karlsen TH, Rosenberg W, Giil LM, Vesterhus M. Fluctuating biomarkers in primary sclerosing cholangitis: A longitudinal comparison of alkaline phosphatase, liver stiffness, and ELF. JHEP Rep 2021; 3:100328. [PMID: 34485881 PMCID: PMC8403583 DOI: 10.1016/j.jhepr.2021.100328] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Revised: 05/25/2021] [Accepted: 06/16/2021] [Indexed: 02/08/2023] Open
Abstract
Background & Aims Primary sclerosing cholangitis (PSC) is a progressive liver disease characterised by fluctuating liver biochemistries and highly variable disease progression. The Enhanced Liver Fibrosis (ELF®) test and liver stiffness measurements (LSMs) reflect fibrosis and predict clinical outcomes in PSC; however, longitudinal assessments are missing. We aimed to characterise the systematic change in ELF and LSM over time in a prospective cohort of patients with PSC, along with their longitudinal relationship to alkaline phosphatase (ALP) and bilirubin. Methods We included 113 non-transplant PSC patients (86 males [76.1%]; mean age 43.3 ± 15.7 years) with annual study visits between 2013 and 2019 at 2 Norwegian centres. ELF test, LSM, clinical data, liver biochemistries, and revised Mayo risk score were measured. We used linear mixed-effects models to estimate change over time, intraclass correlations (ICCs), and their relationship with ALP and bilirubin. Results At baseline, the median (range) ELF test was 9.3 (7.5–12.9) and median LSM 1.26 m/s (0.66–3.04 m/s). ELF and LSM increased over time (0.09 point/year, 95% CI [0.03, 0.15], p = 0.005, vs. 0.12 point/year, 95% CI [0.03, 0.21], p = 0.009). Between-patient effects explained 78% of ELF variation (ICC 0.78) and 56% of LSM variation (ICC 0.56). ALP also increased and showed the highest ICC (0.86). Conclusions ELF and LSM increased over a 5-year period. Longitudinal analyses demonstrated differences regarding within- and between-patient effects, suggesting that the ELF test may have superior reliability for risk stratification compared with LSM in PSC. Lay summary Primary sclerosing cholangitis (PSC) is characterised by substantial disease variability between patients and fluctuating liver biochemistries. Hence, new biomarkers are needed to identify individuals with an increased risk of developing end-stage liver disease. We explore the change over time of 2 putative prognostic biomarkers in PSC, the serum Enhanced Liver Fibrosis (ELF®) test and LSMs by ultrasound, demonstrating differences that may reflect differing abilities to discriminate risk. ELF and LSM increased in patients with PSC, but only in patients with ALP >1.5× ULN. ELF may be more reliable for PSC risk stratification (low within-patient variation). A subgroup showed concomitant spontaneous reduction in ALP, ELF, and LSM.
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Key Words
- ALP, alkaline phosphatase
- ALT, alanine aminotransferase
- AST, aspartate aminotransferase
- Alkaline phosphatase
- Biomarker
- CRP, C-reactive protein
- ELF, enhanced liver fibrosis
- Elastography
- Enhanced liver fibrosis test
- FIB-4, Fibrosis-4 Index for Liver Fibrosis
- GGT, gamma-glutamyl transferase
- HA, hyaluronic acid
- ICC, intraclass correlation
- INR, international normalised ratio
- IgG4, immunoglobulin G4
- LSM, liver stiffness measurement
- Liver stiffness
- PIIINP, propeptide of type III procollagen
- PSC, primary sclerosing cholangitis
- Primary sclerosing cholangitis
- ROI, region of interest
- Risk stratification
- TE, transient elastography
- TIMP-1, tissue inhibitor of metalloproteinases-1
- UDCA, ursodeoxycholic acid
- ULN, upper limit of normal
- pSWE, point shear wave elastography
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Affiliation(s)
- Guri Fossdal
- Norwegian PSC Research Centre, Department of Transplantation Medicine, Division of Surgery, Inflammatory Diseases and Transplantation, Oslo University Hospital Rikshospitalet, Oslo, Norway.,Department of Clinical Science, University of Bergen, Bergen, Norway.,Department of Medicine, Haraldsplass Deaconess Hospital, Bergen, Norway
| | - Anders B Mjelle
- Department of Clinical Medicine, University of Bergen, Bergen, Norway
| | - Kristine Wiencke
- Norwegian PSC Research Centre, Department of Transplantation Medicine, Division of Surgery, Inflammatory Diseases and Transplantation, Oslo University Hospital Rikshospitalet, Oslo, Norway.,Section of Gastroenterology, Department of Transplantation Medicine, Oslo University Hospital, Oslo, Norway.,Research Institute of Internal Medicine, Oslo University Hospital Rikshospitalet, Oslo, Norway
| | - Ida Bjørk
- Department of Radiology, Oslo University Hospital Rikshospitalet, Oslo, Norway
| | - Odd Helge Gilja
- Department of Clinical Medicine, University of Bergen, Bergen, Norway.,National Centre for Ultrasound in Gastroenterology, Department of Medicine, Haukeland University Hospital, Bergen, Norway
| | - Trine Folseraas
- Norwegian PSC Research Centre, Department of Transplantation Medicine, Division of Surgery, Inflammatory Diseases and Transplantation, Oslo University Hospital Rikshospitalet, Oslo, Norway.,Section of Gastroenterology, Department of Transplantation Medicine, Oslo University Hospital, Oslo, Norway.,Research Institute of Internal Medicine, Oslo University Hospital Rikshospitalet, Oslo, Norway
| | - Tom Hemming Karlsen
- Norwegian PSC Research Centre, Department of Transplantation Medicine, Division of Surgery, Inflammatory Diseases and Transplantation, Oslo University Hospital Rikshospitalet, Oslo, Norway.,Section of Gastroenterology, Department of Transplantation Medicine, Oslo University Hospital, Oslo, Norway.,Research Institute of Internal Medicine, Oslo University Hospital Rikshospitalet, Oslo, Norway.,Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - William Rosenberg
- UCL Institute for Liver and Digestive Health, University College London & Royal Free London NHS Foundation Trust, London, UK
| | - Lasse M Giil
- Department of Medicine, Haraldsplass Deaconess Hospital, Bergen, Norway
| | - Mette Vesterhus
- Norwegian PSC Research Centre, Department of Transplantation Medicine, Division of Surgery, Inflammatory Diseases and Transplantation, Oslo University Hospital Rikshospitalet, Oslo, Norway.,Department of Clinical Science, University of Bergen, Bergen, Norway.,Department of Medicine, Haraldsplass Deaconess Hospital, Bergen, Norway
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Cristoferi L, Calvaruso V, Overi D, Viganò M, Rigamonti C, Degasperi E, Cardinale V, Labanca S, Zucchini N, Fichera A, Di Marco V, Leutner M, Venere R, Picciotto A, Lucà M, Mulinacci G, Palermo A, Gerussi A, D’Amato D, Elisabeth O’Donnell S, Cerini F, De Benedittis C, Malinverno F, Ronca V, Mancuso C, Cazzagon N, Ciaccio A, Barisani D, Marzioni M, Floreani A, Alvaro D, Gaudio E, Invernizzi P, Carpino G, Nardi A, Carbone M. Accuracy of Transient Elastography in Assessing Fibrosis at Diagnosis in Naïve Patients With Primary Biliary Cholangitis: A Dual Cut-Off Approach. Hepatology 2021; 74:1496-1508. [PMID: 33724515 PMCID: PMC8518641 DOI: 10.1002/hep.31810] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Revised: 02/25/2021] [Accepted: 03/02/2021] [Indexed: 01/06/2023]
Abstract
BACKGROUND AND AIMS Liver fibrosis holds a relevant prognostic meaning in primary biliary cholangitis (PBC). Noninvasive fibrosis evaluation using vibration-controlled transient elastography (VCTE) is routinely performed. However, there is limited evidence on its accuracy at diagnosis in PBC. We aimed to estimate the diagnostic accuracy of VCTE in assessing advanced fibrosis (AF) at disease presentation in PBC. APPROACH AND RESULTS We collected data from 167 consecutive treatment-naïve PBC patients who underwent liver biopsy (LB) at diagnosis at six Italian centers. VCTE examinations were completed within 12 weeks of LB. Biopsies were scored by two blinded expert pathologists, according to the Ludwig system. Diagnostic accuracy was estimated using the area under the receiver operating characteristic curves (AUROCs) for AF (Ludwig stage ≥III). Effects of biochemical and clinical parameters on liver stiffness measurement (LSM) were appraised. The derivation cohort consisted of 126 patients with valid LSM and LB; VCTE identified patients with AF with an AUROC of 0.89. LSM cutoffs ≤6.5 and >11.0 kPa enabled to exclude and confirm, respectively, AF (negative predictive value [NPV] = 0.94; positive predictive value [PPV] = 0.89; error rate = 5.6%). These values were externally validated in an independent cohort of 91 PBC patients (NPV = 0.93; PPV = 0.89; error rate = 8.6%). Multivariable analysis found that the only parameter affecting LSM was fibrosis stage. No association was found with BMI and liver biochemistry. CONCLUSIONS In a multicenter study of treatment-naïve PBC patients, we identified two cutoffs (LSM ≤6.5 and >11.0 kPa) able to discriminate at diagnosis the absence or presence, respectively, of AF in PBC patients, with external validation. In patients with LSM between these two cutoffs, VCTE is not reliable and liver biopsy should be evaluated for accurate disease staging. BMI and liver biochemistry did not affect LSMs.
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Affiliation(s)
- Laura Cristoferi
- Division of GastroenterologyCenter for Autoimmune Liver DiseasesDepartment of Medicine and SurgeryUniversity of Milano‐BicoccaMonzaItaly,European Reference Network on Hepatological Diseases (ERN RARE‐LIVER)San Gerardo HospitalMonzaItaly,Bicocca Bioinformatics Biostatistics and Bioimaging Centre‐B4School of Medicine and SurgeryUniversity of Milan‐BicoccaMonzaItaly
| | - Vincenza Calvaruso
- Section of Gastroenterology and Hepatology, PROMISEUniversity of PalermoPalermoItaly
| | - Diletta Overi
- Department of Anatomical, Histological, Forensic Medicine and Orthopedics SciencesSapienza University of RomeRomeItaly
| | - Mauro Viganò
- Division of HepatologyOspedale San GiuseppeUniversity of MilanMilanItaly
| | - Cristina Rigamonti
- Department of Translational MedicineUniversità degli Studi del Piemonte Orientale “A. Avogadro”NovaraItaly
| | - Elisabetta Degasperi
- CRC “A. M. e A. Migliavacca” Center for Liver Diseases, Division of Gastroenterology and HepatologyFondazione IRCCS Ca’ Granda Ospedale Maggiore PoliclinicoUniversity of MilanMilanItaly
| | - Vincenzo Cardinale
- Department of Medico‐Surgical Sciences and BiotechnologiesPolo Pontino “Sapienza” University of RomeLatinaItaly
| | - Sara Labanca
- Department of Internal MedicineUniversity of GenoaGenoaItaly
| | | | - Anna Fichera
- Section of Gastroenterology and Hepatology, PROMISEUniversity of PalermoPalermoItaly
| | - Vito Di Marco
- Section of Gastroenterology and Hepatology, PROMISEUniversity of PalermoPalermoItaly
| | | | - Rosanna Venere
- Department of Precision and Translational MedicineSapienza University of RomeRomeItaly
| | | | - Martina Lucà
- Division of GastroenterologyCenter for Autoimmune Liver DiseasesDepartment of Medicine and SurgeryUniversity of Milano‐BicoccaMonzaItaly,European Reference Network on Hepatological Diseases (ERN RARE‐LIVER)San Gerardo HospitalMonzaItaly
| | - Giacomo Mulinacci
- Division of GastroenterologyCenter for Autoimmune Liver DiseasesDepartment of Medicine and SurgeryUniversity of Milano‐BicoccaMonzaItaly,European Reference Network on Hepatological Diseases (ERN RARE‐LIVER)San Gerardo HospitalMonzaItaly
| | - Andrea Palermo
- Division of GastroenterologyCenter for Autoimmune Liver DiseasesDepartment of Medicine and SurgeryUniversity of Milano‐BicoccaMonzaItaly,European Reference Network on Hepatological Diseases (ERN RARE‐LIVER)San Gerardo HospitalMonzaItaly
| | - Alessio Gerussi
- Division of GastroenterologyCenter for Autoimmune Liver DiseasesDepartment of Medicine and SurgeryUniversity of Milano‐BicoccaMonzaItaly,European Reference Network on Hepatological Diseases (ERN RARE‐LIVER)San Gerardo HospitalMonzaItaly
| | - Daphne D’Amato
- Division of GastroenterologyCenter for Autoimmune Liver DiseasesDepartment of Medicine and SurgeryUniversity of Milano‐BicoccaMonzaItaly,European Reference Network on Hepatological Diseases (ERN RARE‐LIVER)San Gerardo HospitalMonzaItaly
| | - Sarah Elisabeth O’Donnell
- Division of GastroenterologyCenter for Autoimmune Liver DiseasesDepartment of Medicine and SurgeryUniversity of Milano‐BicoccaMonzaItaly,European Reference Network on Hepatological Diseases (ERN RARE‐LIVER)San Gerardo HospitalMonzaItaly
| | - Federica Cerini
- Division of HepatologyOspedale San GiuseppeUniversity of MilanMilanItaly
| | - Carla De Benedittis
- Department of Translational MedicineUniversità degli Studi del Piemonte Orientale “A. Avogadro”NovaraItaly
| | - Federica Malinverno
- Division of GastroenterologyCenter for Autoimmune Liver DiseasesDepartment of Medicine and SurgeryUniversity of Milano‐BicoccaMonzaItaly,European Reference Network on Hepatological Diseases (ERN RARE‐LIVER)San Gerardo HospitalMonzaItaly
| | - Vincenzo Ronca
- Division of GastroenterologyCenter for Autoimmune Liver DiseasesDepartment of Medicine and SurgeryUniversity of Milano‐BicoccaMonzaItaly,European Reference Network on Hepatological Diseases (ERN RARE‐LIVER)San Gerardo HospitalMonzaItaly
| | - Clara Mancuso
- Division of GastroenterologyCenter for Autoimmune Liver DiseasesDepartment of Medicine and SurgeryUniversity of Milano‐BicoccaMonzaItaly,European Reference Network on Hepatological Diseases (ERN RARE‐LIVER)San Gerardo HospitalMonzaItaly
| | - Nora Cazzagon
- Department of Surgery, Oncology and GastroenterologyUniversity of PaduaPaduaItaly
| | - Antonio Ciaccio
- Division of GastroenterologyCenter for Autoimmune Liver DiseasesDepartment of Medicine and SurgeryUniversity of Milano‐BicoccaMonzaItaly,European Reference Network on Hepatological Diseases (ERN RARE‐LIVER)San Gerardo HospitalMonzaItaly
| | - Donatella Barisani
- Division of GastroenterologyCenter for Autoimmune Liver DiseasesDepartment of Medicine and SurgeryUniversity of Milano‐BicoccaMonzaItaly
| | - Marco Marzioni
- Department of GastroenterologyUniversità Politecnica delle MarcheAnconaItaly
| | - Annarosa Floreani
- Studiosa SeniorUniversity of PaduaPaduaItaly,Scientific ConsultantIRCCS NegrarVeronaItaly
| | - Domenico Alvaro
- Department of Medico‐Surgical Sciences and BiotechnologiesPolo Pontino “Sapienza” University of RomeLatinaItaly
| | - Eugenio Gaudio
- Department of Anatomical, Histological, Forensic Medicine and Orthopedics SciencesSapienza University of RomeRomeItaly
| | - Pietro Invernizzi
- Division of GastroenterologyCenter for Autoimmune Liver DiseasesDepartment of Medicine and SurgeryUniversity of Milano‐BicoccaMonzaItaly,European Reference Network on Hepatological Diseases (ERN RARE‐LIVER)San Gerardo HospitalMonzaItaly
| | - Guido Carpino
- Department of Movement, Human and Health ScienceUniversity of Rome “Foro Italico”RomeItaly
| | - Alessandra Nardi
- Department of MathematicsUniversity of Rome Tor VergataRomeItaly
| | - Marco Carbone
- Division of GastroenterologyCenter for Autoimmune Liver DiseasesDepartment of Medicine and SurgeryUniversity of Milano‐BicoccaMonzaItaly,European Reference Network on Hepatological Diseases (ERN RARE‐LIVER)San Gerardo HospitalMonzaItaly
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EASL Clinical Practice Guidelines on non-invasive tests for evaluation of liver disease severity and prognosis - 2021 update. J Hepatol 2021; 75:659-689. [PMID: 34166721 DOI: 10.1016/j.jhep.2021.05.025] [Citation(s) in RCA: 741] [Impact Index Per Article: 247.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Accepted: 05/28/2021] [Indexed: 02/07/2023]
Abstract
Non-invasive tests are increasingly being used to improve the diagnosis and prognostication of chronic liver diseases across aetiologies. Herein, we provide the latest update to the EASL Clinical Practice Guidelines on the use of non-invasive tests for the evaluation of liver disease severity and prognosis, focusing on the topics for which relevant evidence has been published in the last 5 years.
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64
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Reporting standards for primary sclerosing cholangitis using MRI and MR cholangiopancreatography: guidelines from MR Working Group of the International Primary Sclerosing Cholangitis Study Group. Eur Radiol 2021; 32:923-937. [PMID: 34363134 DOI: 10.1007/s00330-021-08147-7] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 05/30/2021] [Accepted: 06/06/2021] [Indexed: 12/12/2022]
Abstract
Primary sclerosing cholangitis (PSC) is a chronic inflammatory disorder affecting the bile ducts and is characterized by biliary strictures, progressive liver parenchymal fibrosis, and an increased risk of hepatobiliary malignancies primarily cholangiocarcinoma (CCA). PSC may lead to portal hypertension, liver decompensation, and liver failure with the need for liver transplantation. Magnetic resonance imaging (MRI)/magnetic resonance cholangiopancreatography (MRCP) are considered the imaging standard for diagnosis and follow-up in patients with PSC. Currently, there are no universally accepted reporting standards and definitions for MRI/MRCP features. Controversies exist about the definition of a high-grade stricture and there is no widely agreed approach to their management. The members of the MRI working group of the International Primary Sclerosing Cholangitis Study Group (IPSCSG) sought to define terminologies and reporting standards for describing MRI/MRCP features that would be applied to diagnosis and surveillance of disease progression, and potentially for evaluating treatment response in clinical trials. In this extensive review, the technique of MRI/MRCP and assessment of image quality for the evaluation of PSC is briefly described. The definitions and terminologies for severity and length of strictures, duct wall thickening and hyperenhancement, and liver parenchyma signal intensity changes are outlined. As CCA is an important complication of PSC, standardized reporting criteria for CCA developing in PSC are summarized. Finally, the guidelines for reporting important changes in follow-up MRI/MRCP studies are provided. KEY POINTS: • Primary sclerosing cholangitis is a chronic inflammatory disorder affecting the bile ducts, causing biliary strictures and liver fibrosis and an increased risk of cholangiocarcinoma. • This consensus document provides definitions and suggested reporting standards for MRI and MRCP features of primary sclerosing cholangitis, which will allow for a standardized approach to diagnosis, assessment of disease severity, follow-up, and detection of complications. • Standardized definitions and reporting of MRI/MRCP features of PSC will facilitate comparison between studies, promote longitudinal assessment during management, reduce inter-reader variability, and enhance the quality of care and communication between health care providers.
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65
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Wiecek S, Wojtyniak A, Pindur B, Machnikowska-Sokołowska M, Gruszczyńska K, Grzybowska-Chlebowczyk U. Analysis of the Clinical Course of Primary Sclerosing Cholangitis in Paediatric Population-Single Center Study. ACTA ACUST UNITED AC 2021; 57:medicina57070663. [PMID: 34199130 PMCID: PMC8304821 DOI: 10.3390/medicina57070663] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Revised: 06/15/2021] [Accepted: 06/24/2021] [Indexed: 11/25/2022]
Abstract
Background and Objectives: Primary sclerosing cholangitis (PSC) is a rare cholestatic disease of the liver of unknown etiology, severe course and poor prognosis. PSC most often co-occurs with inflammatory bowel diseases (IBD), especially with ulcerative colitis (UC). The aim of the study was the analysis of the clinical course of primary sclerosing cholangitis in children, hospitalized in the Gastroenterology Unit in Katowice. Materials and Methods: The analysis included 30 patients, aged from 7 to 18 years, 21/30 boys (70%) and 9/30 girls (30%), diagnosed with PSC in the years 2009–2019. The analysis included the age at diagnosis, clinical symptoms, course of the disease, coexisting diseases, laboratory and imaging results, and complications. Results: The average age at diagnosis was 13 years. 22/30 (73.3%) patients suffered from UC, 4/30 (13.3%) were diagnosed with Crohn’s disease (CD), 2/30 (6.66%) with Eosinophilic Colitis (EC). 2/30 patients (6.66%) had no clinical evidence of coexistent IBD to date. In addition, 7/30 (23.3%) had an overlap syndrome of primary sclerosing cholangitis/autoimmune hepatitis. When PSC was detected before IBD (6/30–20%), patients had complications more often compared to those diagnosed with IBD first or PSC and IBD at the same time. At the moment of diagnosis 6/30 (20%) patients presented with abdominal pain, which was the most common symptom, 3/30 (10%) jaundice, while 17/30 (56.6%) were asymptomatic but had abnormal results of the laboratory tests. Conclusions: Monitoring liver markers in IBD patients is important since most PSC cases are asymptomatic and their elevation might be the first sign of the disease. Patients diagnosed with PSC before IBD diagnosis are more likely to have a more aggressive course of the disease.
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Affiliation(s)
- Sabina Wiecek
- Department of Paediatrics, Faculty of Medical Sciences, Medical University of Silesia, 16 Medykow Street, 40-752 Katowice, Poland
| | - Alicja Wojtyniak
- Student Scientific Club, Department of Paediatrics, Faculty of Medical Sciences, Medical University of Silesia, 40-752 Katowice, Poland
| | - Barbara Pindur
- Student Scientific Club, Department of Paediatrics, Faculty of Medical Sciences, Medical University of Silesia, 40-752 Katowice, Poland
| | | | - Katarzyna Gruszczyńska
- Department of Radiology and Nuclear Medicine, Faculty of Medical Sciences, Medical University of Silesia, 40-752 Katowice, Poland
| | - Urszula Grzybowska-Chlebowczyk
- Department of Paediatrics, Faculty of Medical Sciences, Medical University of Silesia, 16 Medykow Street, 40-752 Katowice, Poland
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Lemoinne S, Cazzagon N, Chazouillères O, Corpechot C, Arrivé L. Letter: the use of magnetic resonance scores (Anali) for risk stratification in PSC. Aliment Pharmacol Ther 2021; 53:1329-1330. [PMID: 34029414 DOI: 10.1111/apt.16378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/09/2022]
Affiliation(s)
- Sara Lemoinne
- Assistance Publique-Hôpitaux de Paris, Reference Center for Inflammatory Biliary Diseases and Autoimmune Hepatitis (CRMR, MIVB-H), Department of Hepatology, Saint-Antoine Hospital, Paris, France.,Centre de Recherche Saint-Antoine (CRSA) and Institute of Cardiometabolism and Nutrition (ICAN), Sorbonne Université, INSERM, Paris, France
| | - Nora Cazzagon
- Department of Surgery Oncology and Gastroenterology (DiSCOG), University of Padova, Padova, Italy
| | - Olivier Chazouillères
- Assistance Publique-Hôpitaux de Paris, Reference Center for Inflammatory Biliary Diseases and Autoimmune Hepatitis (CRMR, MIVB-H), Department of Hepatology, Saint-Antoine Hospital, Paris, France.,Centre de Recherche Saint-Antoine (CRSA) and Institute of Cardiometabolism and Nutrition (ICAN), Sorbonne Université, INSERM, Paris, France
| | - Christophe Corpechot
- Assistance Publique-Hôpitaux de Paris, Reference Center for Inflammatory Biliary Diseases and Autoimmune Hepatitis (CRMR, MIVB-H), Department of Hepatology, Saint-Antoine Hospital, Paris, France.,Centre de Recherche Saint-Antoine (CRSA) and Institute of Cardiometabolism and Nutrition (ICAN), Sorbonne Université, INSERM, Paris, France
| | - Lionel Arrivé
- Assistance Publique-Hôpitaux de Paris, Department of Radiology, Saint-Antoine Hospital, Paris, France
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Trivedi PJ, Muir AJ, Levy C, Bowlus CL, Manns MP, Lu X, Crans G, Chung C, Subramanian GM, Myers RP, Goodman Z, Chalasani N, Vierling JM, Guha IN, Hirschfield GM. Inter- and Intra-individual Variation, and Limited Prognostic Utility, of Serum Alkaline Phosphatase in a Trial of Patients With Primary Sclerosing Cholangitis. Clin Gastroenterol Hepatol 2021; 19:1248-1257. [PMID: 32707342 DOI: 10.1016/j.cgh.2020.07.032] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/01/2019] [Revised: 06/05/2020] [Accepted: 07/14/2020] [Indexed: 02/07/2023]
Abstract
BACKGROUND & AIMS Serum alkaline phosphatase (ALP) and the enhanced liver fibrosis (ELF) score are used as endpoints in trials of patients with primary sclerosing cholangitis (PSC). We aimed to quantify inter- and intra-individual variation in levels of ALP and the ELF score over time, and evaluated their association with fibrosis progression. METHODS We analyzed data from 234 patients with large-duct PSC enrolled in a 2-year, phase 2b placebo-controlled trial of simtuzumab. Participants were assessed by laboratory tests every 4 weeks, and liver biopsies collected at time of screening, week 48, and week 96. RESULTS Serum levels of ALP and ELF scores did not differ significantly between simtuzumab and placebo groups, so the data were pooled. Median per-patient variations in ALP between clinic visits were approximately 12% over 12 weeks, 20% over 48 weeks, and 20% over 96 weeks. Reductions, unrelated to study intervention, of more than 40% in ALP were observed in 10.9% of patients with baseline activity greater than 2-fold the upper limit of normal (ULN) and 12.5% of patients with more than 3-fold the ULN at 1 year. At 2 years, reductions of more than 40% in ALP were observed in 15.8% of patients with baseline activity greater than 2-fold the ULN and 17.9% of patients with more than 3-fold the ULN. Among the 209 patients with Ishak fibrosis stage 0-4 at baseline, serum ALP activity did not associate with development of cirrhosis or with a 2-point increase in fibrosis stage at 2 years. In contrast, the median per-patient variation in ELF scores between clinic visits was approximately 3% over 12 weeks, 4% over 48 weeks, and 4% over 96 weeks. Elevated ELF scores at baseline and at weeks 12, 24 and 48, each associated with development of cirrhosis at 2 years (odds ratio >2.75; P < .01 for all timepoints). ELF scores at baseline and weeks 12, 24 and 48, also associated with a 2-point increase in fibrosis stage at 2 years (odds ratios all greater than 2; P < .01 for all timepoints). CONCLUSIONS In an analysis of data from patients with large-duct PSC enrolled in a prospective trial, we found large interindividual and intraindividual variations in serum ALP activity. Serum ALP activity did not associate with disease progression over a 2-year period. Variations in ELF score were smaller, and scores determined at multiple timepoints associated with fibrosis progression and development of cirrhosis.
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Affiliation(s)
- Palak J Trivedi
- National Institute for Health Research (NIHR) Birmingham Biomedical Research Centre, Birmingham, United Kingdom; University Hospitals Birmingham, Birmingham, United Kingdom; Institute of Immunology and Immunotherapy, University of Birmingham, Birmingham, United Kingdom; Institute of Applied Health Research, University of Birmingham, Birmingham, United Kingdom.
| | - Andrew J Muir
- Duke Clinical Research Institute, Durham, North Carolina
| | | | | | - Michael P Manns
- Department of Gastroenterology, Hepatology and Endocrinology, Hannover Medical School, Hannover, Germany
| | - Xiaomin Lu
- Gilead Sciences, Inc, Foster City, California
| | | | | | | | | | | | - Naga Chalasani
- Indiana University School of Medicine, Indianapolis, Indiana
| | | | - Indra Neil Guha
- NIHR Nottingham Biomedical Research Centre, Nottingham University Hospitals NHS Trust and the University of Nottingham, Nottingham, United Kingdom
| | - Gideon M Hirschfield
- Toronto Centre for Liver Disease, University Health Network, University of Toronto, Toronto, ON, Canada.
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Reiter R, Shahryari M, Tzschätzsch H, Klatt D, Siegmund B, Hamm B, Braun J, Sack I, Asbach P. Spatial heterogeneity of hepatic fibrosis in primary sclerosing cholangitis vs. viral hepatitis assessed by MR elastography. Sci Rep 2021; 11:9820. [PMID: 33972639 PMCID: PMC8110576 DOI: 10.1038/s41598-021-89372-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Accepted: 04/26/2021] [Indexed: 12/12/2022] Open
Abstract
Spatial heterogeneity of hepatic fibrosis in primary sclerosing cholangitis (PSC) in comparison to viral hepatitis was assessed as a potential new biomarker using MR elastography (MRE). In this proof-of-concept study, we hypothesized a rather increased heterogeneity in PSC and a rather homogeneous distribution in viral hepatitis. Forty-six consecutive subjects (PSC: n = 20, viral hepatitis: n = 26) were prospectively enrolled between July 2014 and April 2017. Subjects underwent multifrequency MRE (1.5 T) using drive frequencies of 35–60 Hz and generating shear-wave speed (SWS in m/s) maps as a surrogate of stiffness. The coefficient of variation (CV in %) was determined to quantify fibrosis heterogeneity. Mean SWS and CV were 1.70 m/s and 21% for PSC, and 1.84 m/s and 18% for viral hepatitis. Fibrosis heterogeneity was significantly increased for PSC (P = 0.04) while no difference was found for SWS of PSC and viral hepatitis (P = 0.17). Global hepatic stiffness was similar in PSC and viral hepatitis groups, but spatial heterogeneity may reveal spatial patterns of stiffness changes towards enhanced biophysics-based diagnosis by MRI.
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Affiliation(s)
- Rolf Reiter
- Department of Radiology, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Charitéplatz 1, 10117, Berlin, Germany. .,Berlin Institute of Health (BIH), Anna-Louisa-Karsch-Str. 2, 10178, Berlin, Germany. .,Richard and Loan Hill Department of Bioengineering, University of Illinois At Chicago, 830 South Wood Street, Chicago, IL, 60612, USA.
| | - Mehrgan Shahryari
- Department of Radiology, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Charitéplatz 1, 10117, Berlin, Germany
| | - Heiko Tzschätzsch
- Department of Radiology, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Charitéplatz 1, 10117, Berlin, Germany
| | - Dieter Klatt
- Richard and Loan Hill Department of Bioengineering, University of Illinois At Chicago, 830 South Wood Street, Chicago, IL, 60612, USA
| | - Britta Siegmund
- Department of Gastroenterology, Infectiology, Rheumatology, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Hindenburgdamm 30, 12203, Berlin, Germany
| | - Bernd Hamm
- Department of Radiology, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Charitéplatz 1, 10117, Berlin, Germany
| | - Jürgen Braun
- Department of Medical Informatics, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Hindenburgdamm 30, 12203, Berlin, Germany
| | - Ingolf Sack
- Department of Radiology, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Charitéplatz 1, 10117, Berlin, Germany
| | - Patrick Asbach
- Department of Radiology, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Charitéplatz 1, 10117, Berlin, Germany
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Vuille-Lessard É, Rodrigues SG, Berzigotti A. Noninvasive Detection of Clinically Significant Portal Hypertension in Compensated Advanced Chronic Liver Disease. Clin Liver Dis 2021; 25:253-289. [PMID: 33838850 DOI: 10.1016/j.cld.2021.01.005] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Patients with compensated advanced chronic liver disease have different prognoses depending on the presence of portal hypertension. Current non-invasive diagnostic methods allow identification of clinically significant portal hypertension. Portosystemic collaterals on imaging or liver stiffness of more than 20 to 25 kPa by using transient elastography identifies patients with clinically significant portal hypertension. Patients with liver stiffness of less than 20 kPa and platelet count of greater than 150 g/L can avoid endoscopy. This rule could be expanded using spleen stiffness. Methods to risk stratify for portal hypertension in compensated advanced chronic liver disease and successfully treated chronic hepatitis C and B are subject of research.
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Affiliation(s)
- Élise Vuille-Lessard
- Hepatology, University Clinic for Visceral Surgery and Medicine (UVCM), Inselspital, University Hospital of Bern, Freiburgstrasse, 3010 Bern, Switzerland; Department of Biomedical Research, University of Bern, Switzerland
| | - Susana G Rodrigues
- Hepatology, University Clinic for Visceral Surgery and Medicine (UVCM), Inselspital, University Hospital of Bern, Freiburgstrasse, 3010 Bern, Switzerland; Department of Biomedical Research, University of Bern, Switzerland
| | - Annalisa Berzigotti
- Hepatology, University Clinic for Visceral Surgery and Medicine (UVCM), Inselspital, University Hospital of Bern, Freiburgstrasse, 3010 Bern, Switzerland; Department of Biomedical Research, University of Bern, Switzerland.
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Küçükosmanoğlu M, Koç AS, Sümbül HE, Koca H, Çakır Pekoz B, Koç M. Liver stiffness value obtained by point shear-wave elastography is significantly related with atrial septal defect size. ACTA ACUST UNITED AC 2021; 26:284-291. [PMID: 32558650 DOI: 10.5152/dir.2019.19287] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
PURPOSE The increase in volume and pressure in the right atrium (RA) and right ventricle (RV) has been shown to increase the liver stiffness (LS). In the literature, there is no information about the changes in LS value in patients with atrial septal defect (ASD). The aim of our study was to investigate the change of LS values obtained by point shear-wave elastography (pSWE) in patients with ASD and the clinical utility of pSWE for this disease. METHODS This cross-sectional study included 66 patients with ostium secundum ASD: 21 patients with no indication for ASD closure (Group I), 38 patients who underwent ASD closure (Group II), and 7 patients who had ASD with Eisenmenger syndrome (Group III). All patients underwent echocardiography and pSWE. Increased LS was accepted as ≥7 kPa. RESULTS LS values as well as transaminases, clinical signs of heart failure and functional and structural heart abnormalities (increase of RA and RV diastolic dimensions, tricuspid regurgitation pressure gradient [TRPG], ASD size and decrease of ejection fraction, tricuspid annular plane systolic excursion) significantly increased from Group I to Group III (P < 0.001 for all comparisons). Mean LS values for Group I, Group II, and Group III were 5.16±1.55 kPa, 7.48±1.99 kPa, and 13.9±2.58 kPa, respectively. In multivariate linear regression analysis, ASD size and TRPG were significantly associated with LS increase. Only ASD size independently predicted abnormal LS increase ≥7 kPa according to multivariate logistic regression. Clinical value of LS increase was comparable to TRPG for detection of Eisenmenger syndrome; in the receiver operating curve analysis, area under the curve was 0.995 for LS (P < 0.001) and 0.990 for TRPG (P < 0.001). At 10 kPa threshold, LS determined the Eisenmenger syndrome with 100% sensitivity and 91.5% specificity. CONCLUSION LS value assessed by pSWE was significantly increased in ASD patients with closure indication and Eisenmenger syndrome compared to patients without ASD closure indication and was comparable with TRPG in regards to Eisenmenger syndrome identification. ASD size significantly associated with LS and independently predicted abnormal LS increase ≥7 kPa.
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Affiliation(s)
- Mehmet Küçükosmanoğlu
- Department of Cardiology, University of Health Sciences Adana Health Practice and Research Center, Adana, Turkey
| | - Ayşe Selcan Koç
- Department of Radiology, University of Health Sciences Adana Health Practice and Research Center, Adana, Turkey
| | - Hilmi Erdem Sümbül
- Department of Internal Medicine, University of Health Sciences Adana Health Practice and Research Center, Adana, Turkey
| | - Hasan Koca
- Department of Cardiology, University of Health Sciences Adana Health Practice and Research Center, Adana, Turkey
| | - Burçak Çakır Pekoz
- Department of Radiology, University of Health Sciences Adana Health Practice and Research Center, Adana, Turkey
| | - Mevlüt Koç
- Department of Cardiology, University of Health Sciences Adana Health Practice and Research Center, Adana, Turkey
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Abdelkader NA, Abdelaleem MH, El-maaty MAA, Sayed SA, Aly HI. Role of transient elastography in the prediction of de novo recurrence of hepatocellular carcinoma after radiofrequency ablation: single-center Egyptian study. EGYPTIAN LIVER JOURNAL 2021. [DOI: 10.1186/s43066-021-00099-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
Radiofrequency is one of the curative treatment options for hepatocellular carcinoma (HCC). Despite the progressive improvements in the efficacy of radiofrequency, the survival of patients with HCC who undergo radiofrequency remains disappointing, mainly due to frequent intrahepatic recurrence of HCC after radiofrequency. We aimed to evaluate the role of transient elastography (TE) in the prediction of de novo recurrence of HCC after radiofrequency and to compare between transient elastography and the serological fibrosis indices in the prediction of de novo recurrence of HCC.
Results
Thirty HCC patients underwent baseline transient elastography for preinterventional assessment of the degree of fibrosis. Also noninvasive serum fibrosis indices were calculated from baseline data, including age platelet index (API), cirrhosis discrimination score (CDS), and FIB-4 index. Patients achieving complete response after 1 month post radiofrequency ablation were followed for further 12 months by triphasic abdominal CT scan to detect de novo lesions according to modified RECIST criteria. Baseline means of CDS, FIB4, and API were 6.03 ± 1.5, 3.98 ± 2.58, and 1.24 ± 1.08, respectively. Transient elastography revealed 28 patients with F4 and only 2 patients with F3 (mean liver stiffness 22.45 ± 10.36 Kba). There was a significant negative correlation between liver stiffness (LS) and de novo recurrence of HCC (mean of LS in patients with a complete response was 17.19 ± 3.32 while in those with de novo recurrence was 36.94 ± 5.93, with the best cut off value ≥24.65 (p value < 0.001). There was no significant correlation between CDC, FIB4, API scores, and de novo recurrence of HCC. It was found that the liver stiffness was significantly associated with the prediction of hepatic decompensation (p value <0.001). Also, liver stiffness at the cutoff value > 42.75 (p value = 0.031) was significantly associated with the prediction of 1-year mortality after radiofrequency ablation.
Conclusion
Our data suggested that liver stiffness measurement in hepatocellular carcinoma patients was a useful predictor of de novo recurrence, overall survival, and possibility of hepatic decompensation after radiofrequency ablation.
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72
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Mesropyan N, Kupczyk P, Kukuk GM, Dold L, Weismueller T, Endler C, Isaak A, Faron A, Sprinkart AM, Pieper CC, Kuetting D, Strassburg CP, Attenberger UI, Luetkens JA. Diagnostic value of magnetic resonance parametric mapping for non-invasive assessment of liver fibrosis in patients with primary sclerosing cholangitis. BMC Med Imaging 2021; 21:65. [PMID: 33827475 PMCID: PMC8028226 DOI: 10.1186/s12880-021-00598-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2021] [Accepted: 03/24/2021] [Indexed: 12/12/2022] Open
Abstract
Background Primary sclerosing cholangitis (PSC) is a chronic cholestatic liver disease, characterized by bile duct inflammation and destruction, leading to biliary fibrosis and cirrhosis. The purpose of this study was to investigate the utility of T1 and T2 mapping parameters, including extracellular volume fraction (ECV) for non-invasive assessment of fibrosis severity in patients with PSC. Methods In this prospective study, patients with PSC diagnosis were consecutively enrolled from January 2019 to July 2020 and underwent liver MRI. Besides morphological sequences, MR elastography (MRE), and T1 and T2 mapping were performed. ECV was calculated from T1 relaxation times. The presence of significant fibrosis (≥ F2) was defined as MRE-derived liver stiffness ≥ 3.66 kPa and used as the reference standard, against which the diagnostic performance of MRI mapping parameters was tested. Student t test, ROC analysis and Pearson correlation were used for statistical analysis. Results 32 patients with PSC (age range 19–77 years) were analyzed. Both, hepatic native T1 (r = 0.66; P < 0.001) and ECV (r = 0.69; P < 0.001) correlated with MRE-derived liver stiffness. To diagnose significant fibrosis (≥ F2), ECV revealed a sensitivity of 84.2% (95% confidence interval (CI) 62.4–94.5%) and a specificity of 84.6% (CI 57.8–95.7%); hepatic native T1 revealed a sensitivity of 52.6% (CI 31.7–72.7%) and a specificity of 100.0% (CI 77.2–100.0%). Hepatic ECV (area under the curve (AUC) 0.858) and native T1 (AUC 0.711) had an equal or higher diagnostic performance for the assessment of significant fibrosis compared to serologic fibrosis scores (APRI (AUC 0.787), FIB-4 (AUC 0.588), AAR (0.570)). Conclusions Hepatic T1 and ECV can diagnose significant fibrosis in patients with PSC. Quantitative mapping has the potential to be a new non-invasive biomarker for liver fibrosis assessment and quantification in PSC patients.
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Affiliation(s)
- Narine Mesropyan
- Department of Diagnostic and Interventional Radiology, University Hospital Bonn, Venusberg-Campus 1, 53127, Bonn, Germany
| | - Patrick Kupczyk
- Department of Diagnostic and Interventional Radiology, University Hospital Bonn, Venusberg-Campus 1, 53127, Bonn, Germany
| | - Guido M Kukuk
- Department of Radiology, Kantonsspital Graubünden, Chur, Switzerland
| | - Leona Dold
- Department of Internal Medicine I, University Hospital Bonn, Venusberg-Campus 1, 53127, Bonn, Germany
| | - Tobias Weismueller
- Department of Internal Medicine I, University Hospital Bonn, Venusberg-Campus 1, 53127, Bonn, Germany
| | - Christoph Endler
- Department of Diagnostic and Interventional Radiology, University Hospital Bonn, Venusberg-Campus 1, 53127, Bonn, Germany
| | - Alexander Isaak
- Department of Diagnostic and Interventional Radiology, University Hospital Bonn, Venusberg-Campus 1, 53127, Bonn, Germany
| | - Anton Faron
- Department of Diagnostic and Interventional Radiology, University Hospital Bonn, Venusberg-Campus 1, 53127, Bonn, Germany
| | - Alois M Sprinkart
- Department of Diagnostic and Interventional Radiology, University Hospital Bonn, Venusberg-Campus 1, 53127, Bonn, Germany
| | - Claus C Pieper
- Department of Diagnostic and Interventional Radiology, University Hospital Bonn, Venusberg-Campus 1, 53127, Bonn, Germany
| | - Daniel Kuetting
- Department of Diagnostic and Interventional Radiology, University Hospital Bonn, Venusberg-Campus 1, 53127, Bonn, Germany
| | - Christian P Strassburg
- Department of Internal Medicine I, University Hospital Bonn, Venusberg-Campus 1, 53127, Bonn, Germany
| | - Ulrike I Attenberger
- Department of Diagnostic and Interventional Radiology, University Hospital Bonn, Venusberg-Campus 1, 53127, Bonn, Germany
| | - Julian A Luetkens
- Department of Diagnostic and Interventional Radiology, University Hospital Bonn, Venusberg-Campus 1, 53127, Bonn, Germany.
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Dhillon AK, Rupp C, Bergquist A, Voitl R, Folseraas T, Trøseid M, Midttun Ø, Ueland PM, Karlsen TH, Vesterhus M, Kummen M, Hov JR. Associations of neopterin and kynurenine-tryptophan ratio with survival in primary sclerosing cholangitis. Scand J Gastroenterol 2021; 56:443-452. [PMID: 33583308 DOI: 10.1080/00365521.2021.1880627] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
BACKGROUND AND AIMS Biomarkers of inflammation may be of clinical utility in primary sclerosing cholangitis (PSC). We aimed to investigate the interferon gamma-related biomarkers neopterin and kynurenine-tryptophanratio (KT-ratio) in PSC. METHODS Circulating neopterin, tryptophan and kynurenine were measured with LC-MS/MS in multiple cross-sectional cohorts comprising in total of 524 PSC patients and 100 healthy controls from Norway, Germany and Sweden. RESULTS Neopterin and KT-ratio were significantly increased in PSC patients compared with controls in both a discovery and a validation cohort from Norway. Furthermore, high neopterin and KT-ratio levels were associated with a shorter transplantation-free survival in the PSC patients in the Norwegian discovery cohort and the German validation cohort. However, in the validation PSC cohort from Sweden, no relationship between neopterin and KT-ratio and liver transplantation-free survival was observed. The correlations between neopterin and KT-ratio were moderate to strong and similar in all cohorts (rho 0.50-0.67). Neopterin and KT-ratio also correlated with C-reactive protein (rho 0.17-0.63) and revised Mayo risk score (rho 0.23-0.42) in all cohorts. CONCLUSIONS Neopterin and KT-ratio were elevated in PSC and associated with liver transplantation-free survival in two independent PSC cohorts, highlighting a possible role of interferon gamma-driven inflammation in the pathogenesis. However, the lack of association with survival in one of the cohorts reduces the potential clinical value of neopterin and KT-ratioas biomarkers and highlights the need to validate new biomarkers in PSC in multiple cohorts.
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Affiliation(s)
- Amandeep Kaur Dhillon
- Norwegian PSC Research Center, Department of Transplantation Medicine, Oslo University Hospital Rikshospitalet, Oslo, Norway.,Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway.,Research Institute of Internal Medicine, Division of Surgery, Inflammatory Diseases and Transplantation, Oslo University Hospital Rikshospitalet, Oslo, Norway
| | - Christian Rupp
- Department of Internal Medicine IV, University Hospital of Heidelberg, Heidelberg, Germany
| | - Annika Bergquist
- Unit of Gastroenterology and Rheumatology, Department of Medicine Huddinge, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - Robert Voitl
- Department of Internal Medicine IV, University Hospital of Heidelberg, Heidelberg, Germany
| | - Trine Folseraas
- Norwegian PSC Research Center, Department of Transplantation Medicine, Oslo University Hospital Rikshospitalet, Oslo, Norway.,Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway.,Research Institute of Internal Medicine, Division of Surgery, Inflammatory Diseases and Transplantation, Oslo University Hospital Rikshospitalet, Oslo, Norway.,Section of Gastroenterology, Department of Transplantation Medicine, Oslo University Hospital, Oslo, Norway
| | - Marius Trøseid
- Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway.,Research Institute of Internal Medicine, Division of Surgery, Inflammatory Diseases and Transplantation, Oslo University Hospital Rikshospitalet, Oslo, Norway.,Section of Clinical Immunology and Infectious diseases, Oslo University Hospital Rikshospitalet, Oslo, Norway
| | | | - Per M Ueland
- Bevital AS, Bergen, Norway.,Laboratory of Clinical Chemistry, Haukeland University Hospital, Bergen, Norway
| | - Tom H Karlsen
- Norwegian PSC Research Center, Department of Transplantation Medicine, Oslo University Hospital Rikshospitalet, Oslo, Norway.,Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway.,Research Institute of Internal Medicine, Division of Surgery, Inflammatory Diseases and Transplantation, Oslo University Hospital Rikshospitalet, Oslo, Norway.,Section of Gastroenterology, Department of Transplantation Medicine, Oslo University Hospital, Oslo, Norway
| | - Mette Vesterhus
- Norwegian PSC Research Center, Department of Transplantation Medicine, Oslo University Hospital Rikshospitalet, Oslo, Norway.,Department of Medicine, Haraldsplass Deaconess Hospital, Bergen, Norway.,Department of Clinical Science, University of Bergen, Bergen, Norway
| | - Martin Kummen
- Norwegian PSC Research Center, Department of Transplantation Medicine, Oslo University Hospital Rikshospitalet, Oslo, Norway.,Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway.,Research Institute of Internal Medicine, Division of Surgery, Inflammatory Diseases and Transplantation, Oslo University Hospital Rikshospitalet, Oslo, Norway
| | - Johannes R Hov
- Norwegian PSC Research Center, Department of Transplantation Medicine, Oslo University Hospital Rikshospitalet, Oslo, Norway.,Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway.,Research Institute of Internal Medicine, Division of Surgery, Inflammatory Diseases and Transplantation, Oslo University Hospital Rikshospitalet, Oslo, Norway.,Section of Gastroenterology, Department of Transplantation Medicine, Oslo University Hospital, Oslo, Norway
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Abstract
PURPOSE OF REVIEW To discuss the most recent data regarding treatment of patients with primary biliary cholangitis (PBC) with inadequate response to ursodeoxycholic acid (UDCA). RECENT FINDINGS Patients with PBC at high-risk of progressive disease are younger, have advanced fibrosis and showed inadequate response to UDCA after 12 months of treatment. These patients need a second-line treatment in addition to UDCA. The goal of therapy should be the normalization of ALP and bilirubin below 0.6 the upper limit of normal. Obeticholic acid (OCA) has proven to be effective in improving surrogate markers of prognosis in PBC, also in real-life cohort. Pruritus is the most frequent adverse event during treatment with OCA. Bezafibrate is another option in patients with inadequate response to UDCA as it was proven to improve surrogate endpoints, pruritus and even, clinical outcome compared with UDCA monotherapy. Finally, budesonide may be considered in patients with marked portal inflammation. Triple therapy with UDCA, OCA and bezafibrate may be considered in patients showing inadequate response to dual therapy. SUMMARY Patients with PBC need to be evaluated at baseline, and on-treatment, for the risk of progressive disease and eventually treated with second-line therapies in addition to UDCA.
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Alvaro D, Carpino G, Craxi A, Floreani A, Moschetta A, Invernizzi P. Primary biliary cholangitis management: controversies, perspectives and daily practice implications from an expert panel. Liver Int 2020; 40:2590-2601. [PMID: 32757367 DOI: 10.1111/liv.14627] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Revised: 07/24/2020] [Accepted: 07/26/2020] [Indexed: 02/13/2023]
Abstract
Primary biliary cholangitis (PBC) is a rare progressive immune-mediated liver disease that, if not adequately treated, may culminate in end-stage disease and need for transplantation. According to current guidelines, PBC is diagnosed in the presence of antimitochondrial antibodies (AMA) or specific antinuclear antibodies, and of a cholestatic biochemical profile, while biopsy is recommended only in selected cases. All patients receive ursodeoxycholic acid (UDCA) in first line; the only registered second-line therapy is obeticholic acid (OCA) for UDCA-inadequate responders. Despite the recent advances in understanding PBC pathogenesis and developing new treatments, many grey areas remain. Six Italian experts selected the following topics as the most urgent to address in PBC management: diagnosis and natural history of PBC: as a portion of the subjects with isolated AMA, normal alkaline phosphatase (ALP) levels and no symptoms of liver disease could have PBC by histology, defining how to manage and follow this population is crucial; role of liver biopsy: recent evidence suggests that biopsy may provide relevant information for risk stratification and prediction of UDCA response, possibly facilitating personalized approaches; risk stratification: the tools for risk stratification are well established, but some issues (eg bile acid dosage in routine practice) remain controversial; and therapy: those in more advanced stages of development are nuclear receptor modulators and fibrates, but more data are needed to plan personalized strategies. In this manuscript, for each topic, current evidence, controversies and future perspectives are summarized with the possible implications for clinical practice.
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Affiliation(s)
- Domenico Alvaro
- Department of Translational and Precision Medicine, Sapienza University of Rome, Rome, Italy
| | - Guido Carpino
- Division of Health Sciences, Department of Movement, Human and Health Sciences, University of Rome "Foro Italico", Rome, Italy
| | - Antonio Craxi
- Gastroenterology and Liver Unit, PROMISE, University of Palermo, Palermo, Italy
| | - Annarosa Floreani
- Studioso Senior University of Padova and, Scientific Consultant IRCCS Negrar, Verona, Italy.,Scientific Consultant IRCCS Negrar, Verona, Italy
| | - Antonio Moschetta
- Department of Interdisciplinary Medicine, University of Bari "Aldo Moro", Bari, Italy
| | - Pietro Invernizzi
- Division of Gastroenterology and Center for Autoimmune Liver Diseases, Department of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy.,European Reference Network on Hepatological Diseases (ERN RARE-LIVER), San Gerardo Hospital, Monza, Italy
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Vesterhus M, Nielsen MJ, Hov JR, Saffioti F, Manon-Jensen T, Leeming DJ, Moum B, Boberg KM, Pinzani M, Karlsen TH, Karsdal MA, Thorburn D. Comprehensive assessment of ECM turnover using serum biomarkers establishes PBC as a high-turnover autoimmune liver disease. JHEP Rep 2020; 3:100178. [PMID: 33225252 PMCID: PMC7666353 DOI: 10.1016/j.jhepr.2020.100178] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Revised: 08/21/2020] [Accepted: 08/25/2020] [Indexed: 02/08/2023] Open
Abstract
Background & Aims Primary sclerosing cholangitis (PSC), primary biliary cholangitis (PBC) and autoimmune hepatitis (AIH) are phenotypically distinct autoimmune liver diseases that progress to cirrhosis and liver failure; however, their histological fibrosis distribution differs. We investigated the extracellular matrix (ECM) profiles of patients with PSC, PBC, and AIH to establish whether the diseases display differential patterns of ECM turnover. Methods Serum samples were retrospectively collected from the UK (test cohort; PSC n = 78; PBC n = 74; AIH n = 58) and Norway (validation cohort; PSC n = 138; PBC n = 28; AIH n = 27). Patients with ulcerative colitis without liver disease (n = 194) served as controls. We assessed specific serological biomarkers of ECM turnover: type III and V collagen formation (PRO-C3, PRO-C5), degradation of type III and IV collagen (C3M, C4M), biglycan (BGM) and citrullinated vimentin (VICM). Results Most of the ECM markers showed elevated serum levels in PBC compared with PSC or AIH (p <0.01). PRO-C3 correlated well with liver stiffness and showed the most striking differences between advanced and non-advanced liver disease; several of the other ECM markers were also associated with stage. PRO-C3 and other ECM markers were inversely associated with ursodeoxycholic acid treatment response in PBC and remission in AIH. All ECM remodelling markers were significantly elevated (p <0.05) in patients with PSC, PBC, or AIH compared with ulcerative colitis. Conclusions In this first study comparing ECM turnover in autoimmune liver diseases, we found increased ECM turnover in PBC compared with either PSC or AIH. The study indicates that ECM remodelling is different in PSC, PBC, and AIH, suggesting differing opportunities for therapeutic intervention. Lay summary The level of scarring is linked to prognosis in autoimmune liver diseases such as primary sclerosing cholangitis, primary biliary cholangitis, and autoimmune hepatitis; hence, the scarring process is a possible target for novel therapy. Investigating the scarring process using highly specific technology, we show that the scarring process is different between the 3 autoimmune liver diseases, and this may have important implications for the development of medical treatment. Serological biomarkers specifically targeting extracellular matrix remodelling enable evaluation of the dynamics of fibrosis evolution. ECM turnover was increased in PBC compared with PSC and AIH. ECM markers, particularly PRO-C3, were associated with disease stage in the autoimmune liver diseases and with clinical outcome in PSC.
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Key Words
- AIH, autoimmune hepatitis
- ALP, alkaline phosphatase
- ALT, alanine aminotransferase
- APRI, AST to platelet ratio index
- AST, aspartate aminotransferase
- AUROC, area under the receiver operator characteristics curve
- BGM, marker of biglycan degradation
- Biomarker
- C3M, marker of type III collagen degradation
- C4M, marker of type IV collagen degradation
- CI, confidence interval
- ECM, extracellular matrix
- ELF, enhanced liver fibrosis
- Fibrosis
- GGT, gamma glutamyltransferase
- HYA, hyaluronic acid
- IBD, inflammatory bowel disease
- INR, international normalised ratio
- LSM, liver stiffness measurement
- PBC, primary biliary cholangitis
- PIIINP, N-terminal procollagen type III
- PRO-C3
- PRO-C3, marker of type III collagen formation
- PRO-C5, marker of type V collagen formation
- PSC, primary sclerosing cholangitis
- Primary biliary cholangitis
- Primary sclerosing cholangitis
- TE, transient elastography
- TIMP-1, tissue inhibitor of metalloproteinase
- UC, ulcerative colitis
- VICM, marker of citrullinated vimentin degradation
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Affiliation(s)
- Mette Vesterhus
- Norwegian PSC Research Center, Department of Transplantation Medicine, Division of Surgery, Inflammatory Diseases and Transplantation, Oslo University Hospital Rikshospitalet, Oslo, Norway.,Department of Internal Medicine, Haraldsplass Deaconess Hospital, Bergen, Norway.,Department of Clinical Science, University of Bergen, Bergen, Norway
| | | | - Johannes Roksund Hov
- Norwegian PSC Research Center, Department of Transplantation Medicine, Division of Surgery, Inflammatory Diseases and Transplantation, Oslo University Hospital Rikshospitalet, Oslo, Norway.,Institute of Clinical Medicine, University of Oslo, Oslo, Norway.,Section of Gastroenterology, Department of Transplantation Medicine, Oslo University Hospital, Oslo, Norway.,Research Institute of Internal Medicine, Oslo University Hospital Rikshospitalet, Oslo, Norway
| | - Francesca Saffioti
- UCL Institute for Liver and Digestive Health, Division of Medicine, University College London & Royal Free Hospital, London, UK.,Department of Clinical and Experimental Medicine, Division of Clinical and Molecular Hepatology, University of Messina, Messina, Italy
| | | | | | - Bjørn Moum
- Institute of Clinical Medicine, University of Oslo, Oslo, Norway.,Division of Medicine, Department of Gastroenterology, Oslo University Hospital, Oslo, Norway
| | - Kirsten Muri Boberg
- Norwegian PSC Research Center, Department of Transplantation Medicine, Division of Surgery, Inflammatory Diseases and Transplantation, Oslo University Hospital Rikshospitalet, Oslo, Norway.,Institute of Clinical Medicine, University of Oslo, Oslo, Norway.,Section of Gastroenterology, Department of Transplantation Medicine, Oslo University Hospital, Oslo, Norway.,Research Institute of Internal Medicine, Oslo University Hospital Rikshospitalet, Oslo, Norway
| | - Massimo Pinzani
- UCL Institute for Liver and Digestive Health, Division of Medicine, University College London & Royal Free Hospital, London, UK
| | - Tom Hemming Karlsen
- Norwegian PSC Research Center, Department of Transplantation Medicine, Division of Surgery, Inflammatory Diseases and Transplantation, Oslo University Hospital Rikshospitalet, Oslo, Norway.,Institute of Clinical Medicine, University of Oslo, Oslo, Norway.,Section of Gastroenterology, Department of Transplantation Medicine, Oslo University Hospital, Oslo, Norway.,Research Institute of Internal Medicine, Oslo University Hospital Rikshospitalet, Oslo, Norway
| | | | - Douglas Thorburn
- UCL Institute for Liver and Digestive Health, Division of Medicine, University College London & Royal Free Hospital, London, UK
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Mjelle AB, Fossdal G, Gilja OH, Vesterhus M. Liver Elastography in Primary Sclerosing Cholangitis Patients Using Three Different Scanner Systems. ULTRASOUND IN MEDICINE & BIOLOGY 2020; 46:1854-1864. [PMID: 32507342 DOI: 10.1016/j.ultrasmedbio.2020.03.025] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/16/2019] [Revised: 03/17/2020] [Accepted: 03/24/2020] [Indexed: 06/11/2023]
Abstract
The aim of the study described here was to characterize three different liver elastography methods in primary sclerosing cholangitis (PSC) patients, for the first time exploring 2-D shear wave elastography (2-D-SWE) in PSC patients and its putative advantages over point shear wave elastography (pSWE). Sixty-six adult PSC patients (51 males, 77%) underwent liver elastography: Transient elastography (TE), pSWE and 2-D-SWE were applied head-to-head after B-mode ultrasonography and blood tests. Liver stiffness measurements (LSMs) by pSWE yielded lower values than those by TE; 2-D-SWE had less steep slope but was overall not significantly different from TE. Correlation between LSMs by pSWE and TE was excellent (intraclass correlation coefficient = 0.92); correlation for 2-D-SWE with either pSWE or TE was moderate but improved with exclusion of overweight individuals. LSMs correlated with the Enhanced Liver Fibrosis test (ELF) across all scanner systems. Our study indicates that LSM by different systems is feasible in PSC patients and that 2-D-SWE tends to underestimate stiffness compared with TE.
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Affiliation(s)
- Anders Batman Mjelle
- Department of Clinical Medicine, University of Bergen, Bergen, Norway; National Centre for Ultrasound in Gastroenterology, Department of Medicine, Haukeland University Hospital, Bergen, Norway.
| | - Guri Fossdal
- Department of Medicine, Haraldsplass Deaconess Hospital, Bergen, Norway; Norwegian PSC Research Center (NoPSC), Division of Surgery, Inflammatory Medicine and Transplantation, Oslo University Hospital, Rikshospitalet, Oslo, Norway; Department of Clinical Science, University of Bergen, Bergen, Norway
| | - Odd Helge Gilja
- Department of Clinical Medicine, University of Bergen, Bergen, Norway; National Centre for Ultrasound in Gastroenterology, Department of Medicine, Haukeland University Hospital, Bergen, Norway
| | - Mette Vesterhus
- National Centre for Ultrasound in Gastroenterology, Department of Medicine, Haukeland University Hospital, Bergen, Norway; Department of Medicine, Haraldsplass Deaconess Hospital, Bergen, Norway; Norwegian PSC Research Center (NoPSC), Division of Surgery, Inflammatory Medicine and Transplantation, Oslo University Hospital, Rikshospitalet, Oslo, Norway; Department of Clinical Science, University of Bergen, Bergen, Norway
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78
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Eaton JE, Sen A, Hoodeshenas S, Schleck CD, Harmsen WS, Gores GJ, LaRusso NF, Gossard AA, Lazaridis KN, Venkatesh SK. Changes in Liver Stiffness, Measured by Magnetic Resonance Elastography, Associated With Hepatic Decompensation in Patients With Primary Sclerosing Cholangitis. Clin Gastroenterol Hepatol 2020; 18:1576-1583.e1. [PMID: 31683058 PMCID: PMC7887700 DOI: 10.1016/j.cgh.2019.10.041] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/10/2019] [Revised: 10/10/2019] [Accepted: 10/25/2019] [Indexed: 02/07/2023]
Abstract
BACKGROUND & AIMS Single measurements of liver stiffness (LS) by magnetic resonance elastography (MRE) have been associated with outcomes of patients with primary sclerosing cholangitis (PSC), but the significance of changes in LS over time are unclear. We investigated associations between changes in LS measurement and progression of PSC. METHODS We performed a retrospective review of 204 patients with patients who underwent 2 MREs at a single center between January 1, 2007 and December 31, 2018. We collected laboratory data and information on revised Mayo PSC risk and model for end-stage liver disease scores, the PSC risk estimate tool, and levels of aspartate transferase at the time of each MRE. The ΔLS/time was determined by the change in LS between the second MRE compared to the first MRE divided by the time between examinations. The primary endpoint was development of hepatic decompensation (ascites, variceal hemorrhage or hepatic encephalopathy). RESULTS The median LS measurement was 2.72 kPa (interquartile range, 2.32-3.44 kPa) and the overall change in LS was 0.05 kPa/y. However, ΔLS/y was 10-fold higher in patients anticipated to have cirrhosis (0.31 kPa/y) compared to patients with no fibrosis (0.03 kPa/y). The median LS increased over time in patients who ultimately developed hepatic decompensation (0.60 kPa/y; interquartile range, 0.21-1.26 kPa/y) vs but remained static in patients who did not (reduction of 0.04/y; interquartile range, reductions of 0.26 to 0.17 kPa/y) (P < .001). The ΔLS/y value associated with the highest risk of hepatic decompensation was Δ0.34 kPa/y (hazard ratio [HR], 13.29; 95% CI, 0.23-33.78). After we adjusted for baseline LS and other risk factors, including serum level of alkaline phosphatase and the Mayo PSC risk score, ΔLS/y continued to be associated with hepatic decompensation. The optimal single LS cut-off associated with the hepatic decompensation was 4.32 kPa (HR, 60.41; 95% CI, 17.85-204.47). A combination of both cut-off values was associated with risk of hepatic decompensation (concordance score, 0.93; 95% CI, 0.88-0.98) CONCLUSIONS: A single LS measurement and changes in LS over time are independently associated with hepatic decompensation in patients with PSC. However, changes in LS occur slowly in patients without advanced fibrosis or hepatic decompensation.
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Affiliation(s)
- John E. Eaton
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota
| | - Aditi Sen
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota
| | | | - Cathy D. Schleck
- Division of Biomedical Statistics and Informatics Mayo Clinic, Rochester, Minnesota
| | - William S. Harmsen
- Division of Biomedical Statistics and Informatics Mayo Clinic, Rochester, Minnesota
| | - Gregory J. Gores
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota
| | - Nicholas F. LaRusso
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota
| | - Andrea A. Gossard
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota
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79
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Gaete MI, Díaz LA, Arenas A, González K, Cattaneo M, Fuster F, Henríquez R, Soza A, Arrese M, Barrera F, Arab JP, Benítez C. Baveno VI and Expanded Baveno VI criteria successfully predicts the absence of high-risk gastro-oesophageal varices in a Chilean cohort. Liver Int 2020; 40:1427-1434. [PMID: 31916360 DOI: 10.1111/liv.14373] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/01/2019] [Revised: 12/02/2019] [Accepted: 01/02/2020] [Indexed: 12/14/2022]
Abstract
BACKGROUND Baveno VI and expanded Baveno VI criteria have been recommended to circumvent the need for endoscopy screening in patients with a very low probability of varices needing treatment (VNT). AIM To validate these criteria in a Latin American population. METHODS The ability of Baveno VI criteria (liver stiffness measurement (LSM) <20 kPa and platelet count >150 × 103/μL) and expanded Baveno VI criteria (LSM < 25kPa and platelet count >110 × 103/μL) to exclude the presence of VNT was tested in a prospectively recruited cohort of patients with Child-Pugh A liver cirrhosis and with no previous variceal haemorrhage who attended the liver clinics of three major hospitals in Chile. RESULTS Three hundred patients were included. The median (IQR) age was 61 [18-86] years, median MELD was 8.0 (6-17), median LSM was 17.2 (10.2-77) kPa and median platelet count was 137 (23-464) × 103 /μL. The main aetiology was non-alcoholic fatty liver disease (67.3%). VNT were present in 18% of patients. The Baveno VI criteria had a sensitivity of 98.1% and a specificity of 38.2%, potentially sparing 31.3% of upper endoscopies with a very low risk of missing VNT (1.1%). The expanded Baveno VI criteria had a sensitivity of 90.7% and a specificity of 61%, potentially sparing 51.3% of upper endoscopies with a risk of missing VNT of 3.6%. Both criteria were independently associated with the absence of VNT. CONCLUSION We validated the Baveno VI and expanded Baveno VI criteria in Chilean population, potentially sparing 31.3% and 51.3% of endoscopies, respectively, with a very low risk of missing VNT. Fondecyt 1191183.
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Affiliation(s)
- María I Gaete
- School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Luis A Díaz
- Department of Gastroenterology, Faculty of medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Alex Arenas
- Department of Gastroenterology, Faculty of medicine, Pontificia Universidad Católica de Chile, Santiago, Chile.,Digestive Diseases Unit, Hospital Sótero del Río, Santiago, Chile
| | - Katherine González
- Department of Gastroenterology, Hospital Clínico de la Universidad de Chile, Santiago, Chile
| | - Máximo Cattaneo
- Department of Gastroenterology, Hospital Clínico de la Universidad de Chile, Santiago, Chile
| | - Francisco Fuster
- Digestive diseases unit, Hospital Dr. Gustavo Fricke, Viña del Mar, Chile
| | - Romina Henríquez
- Department of Gastroenterology, Faculty of medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Alejandro Soza
- Department of Gastroenterology, Faculty of medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Marco Arrese
- Department of Gastroenterology, Faculty of medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Francisco Barrera
- Department of Gastroenterology, Faculty of medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Juan P Arab
- Department of Gastroenterology, Faculty of medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Carlos Benítez
- Department of Gastroenterology, Faculty of medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
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80
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Jiang M, Yan X, Song X, Yan Q, Zhao Y, Wang L, Gao P. Total bile acid to platelet ratio: A noninvasive index for predicting liver fibrosis in primary biliary cholangitis. Medicine (Baltimore) 2020; 99:e20502. [PMID: 32481469 DOI: 10.1097/md.0000000000020502] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
The aim of the study was to develop a new early noninvasive diagnostic model for primary biliary cholangitis (PBC).A total of 118 PBC patients who had undergone a liver biopsy were enrolled in the study, and were randomized into a model group (78 patients) and a validation group (40 patients). The patients' histological stages were based on the classifications of the Scheuer's stage. All common parameters and liver pathological results were analyzed. And total bile acid to platelet ratio, aspartate aminotransferase to platelet ratio index, fibrosis index based on 4 factors and red cell distribution width to platelet ratio were calculated.There were 106 (89.8%) women and 12 men in this study, and the number of patients in Scheuer stage I, II, III, and IV hepatic fibrosis was 52 (44.1%), 36 (30.5%), 26 (22.0%), and 4 (3.4%), respectively. The areas under the receiver operating characteristic curves of the total bile acid to platelet ratio (TPR), the aspartate aminotransferase to platelet ratio index, the fibrosis index based on 4 factors , and the red cell distribution width to platelet ratio for predicting advanced liver fibrosis were 0.771, 0.715, 0.618, and 0.517 respectively. The areas under the receiver operating characteristic curves of the TPR was higher than other non-invasive serological models.As a simple, inexpensive and easily accessible non-invasive liver fibrosis diagnostic model, the TPR may be a new noninvasive marker for predicting histologic severity of PBC.
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Affiliation(s)
- Minjie Jiang
- Department of Hepatology, the First Hospital of Jilin University, Changchun, Jilin Province, China
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81
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Segal D, Marotta P, Mosli M, Zou G, Feagan BG, Al-Judaibi B. The role of imaging in determining prognosis for primary sclerosing cholangitis: A systematic review. Saudi J Gastroenterol 2020; 25:152-158. [PMID: 31044745 PMCID: PMC6526736 DOI: 10.4103/sjg.sjg_478_18] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
BACKGROUND/AIMS Primary sclerosing cholangitis (PSC) is a chronic, progressive, fibrotic bile duct disease. Resultant complications include infection, progressive liver disease and cancer. While diagnosis relies extensively on imaging, the role of imaging in determining prognosis is unclear. The aim of this study was to systematically review existing imaging indices and features that predict PSC progression. MATERIALS AND METHODS We performed a systematic review of imaging features that predict PSC progression. PubMed, EMBASE, MEDLINE, Clinicaltrials.gov and the Cochrane Library were searched from inception to November 2018 for relevant studies. Pertinent data were extracted and assessed. Study quality was evaluated using the Newcastle-Ottawa scale (NOS). RESULTS The search returned 2504 results. Nine studies were included in the final review. Four studies evaluated the prognostic value of imaging features and five evaluated prognostic algorithms. The mean NOS score was 4.44 ± 0.98 on a scale of 0 to 9. Imaging features that were of prognostic value were degree of intrahepatic duct narrowing, the presence of a dominant biliary duct stricture and percentage of narrowed intraheptic ducts. Three imaging indices (one endoscopic retrograde cholangiopancreatography (ERCP)-based and two magnetic resonance-based) had been derived. The ERCP index was validated in a second cohort and subsequently updated to improve its predictive ability. The magnetic resonance cholangiopancreatography (MRCP) index was validated in two studies and was found to be predicative of transplant-free survival. A modified MRCP index (MRCP-risk score) was evaluated in a prospective multicenter study and was found to be predicative of PSC-related disease progression. CONCLUSION In conclusion, ERCP and MRCP-based indices have short-term prognostic value in PSC. However, more studies are required to validate their predictability of disease-related progression, such as liver decompensation, ascending cholangitis, cholangiocarcinoma and liver transplantation.
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Affiliation(s)
- Dan Segal
- Department of Medicine, McMaster University, Hamilton, Ontario, Canada
| | - Paul Marotta
- Department of Medicine, London Health Sciences Centre, Western University, London, Ontario, Canada
| | - Mahmoud Mosli
- Department of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Guangyong Zou
- Robarts Clinical Trials, Robarts Research Institute, London, Ontario, Canada
| | - Brian G Feagan
- Department of Medicine, London Health Sciences Centre, Western University; Robarts Clinical Trials, Robarts Research Institute, London, Ontario, Canada
| | - Bandar Al-Judaibi
- Department of Medicine, University of Rochester, Rochester, New York, USA
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82
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Tafur M, Cheung A, Menezes RJ, Feld J, Janssen H, Hirschfield GM, Jhaveri KS. Risk stratification in primary sclerosing cholangitis: comparison of biliary stricture severity on MRCP versus liver stiffness by MR elastography and vibration-controlled transient elastography. Eur Radiol 2020; 30:3735-3747. [DOI: 10.1007/s00330-020-06728-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2019] [Revised: 02/03/2020] [Accepted: 02/06/2020] [Indexed: 02/07/2023]
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83
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Idilman IS, Low HM, Bakhshi Z, Eaton J, Venkatesh SK. Comparison of liver stiffness measurement with MRE and liver and spleen volumetry for prediction of disease severity and hepatic decompensation in patients with primary sclerosing cholangitis. Abdom Radiol (NY) 2020; 45:701-709. [PMID: 31894383 DOI: 10.1007/s00261-019-02387-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
PURPOSE To compare liver stiffness measurement (LSM) with magnetic resonance elastography (MRE) and liver and spleen volumetry for prediction of disease severity and hepatic decompensation in primary sclerosing cholangitis (PSC). METHODS This retrospective study was approved by the institutional review board. Magnetic resonance imaging (MRI) and MRE studies were reviewed, and mean LSM of entire liver, right lobe and left lobe, total liver, right lobe, left lobe, caudate lobe, and spleen volumes were calculated. Qualitative evaluation of lobar atrophy or hypertrophy and presence of macronodular regeneration (MNR) was recorded. Statistical analysis was performed to evaluate correlations between LSM, volumetry measurements, and Mayo risk score. Univariate and multivariate analyses were performed to predict hepatic decompensation. RESULTS A total of 266 patients with PSC were included in the study. Lobar stiffness measures were higher in the presence of relative lobe atrophy. Mean LSM was higher in the presence of MNR. Significant correlations were observed between mean LSM and volumetry measurements with a fair correlation between LSM and spleen volume (rs = 0.526, p < 0.0001). Among the measurements, the best correlation was observed between mean LSM and Mayo risk score (rs = 0.646, p < 0.0001). In the multivariate analyses, mean LSM and Mayo risk score were significantly associated with liver decompensation (hazard ratio, 1.18; 95%CI 1.02-1.36 and hazard ratio, 1.65; 95%CI 1.08-2.53, respectively). CONCLUSION LSM with MRE performs significantly better than liver and spleen volumes for prediction of both disease severity and hepatic decompensation.
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Affiliation(s)
- Ilkay S Idilman
- Department of Radiology, School of Medicine, Hacettepe University, Ankara, Turkey
- Department of Radiology, Mayo Clinic, Rochester, MN, USA
| | - Hsien Min Low
- Department of Radiology, Mayo Clinic, Rochester, MN, USA
- Department of Radiology, Tan Tock Seng Hospital, Singapore, Singapore
| | - Zeinab Bakhshi
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN, USA
| | - John Eaton
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN, USA
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84
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Song C, Lewis S, Kamath A, Hectors S, Putra J, Kihira S, Bane O, Ahmad J, Babb J, Thung S, Taouli B. Primary sclerosing cholangitis: diagnostic performance of MRI compared to blood tests and clinical scoring systems for the evaluation of histopathological severity of disease. Abdom Radiol (NY) 2020; 45:354-364. [PMID: 31844914 DOI: 10.1007/s00261-019-02366-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
PURPOSE To assess the diagnostic performance of magnetic resonance imaging (MRI) compared to blood tests and clinical scoring systems for the evaluation of histopathologic severity in patients with primary sclerosing cholangitis (PSC). MATERIALS Fifty-one patients (M/F 37/14, mean age 41 years) with PSC who underwent MRI and liver histopathology were included in this IRB-approved retrospective study. Two radiologists independently graded the severity of biliary abnormalities on magnetic resonance cholangiopancreatography (MRCP) using a standardized scoring system, parenchymal enhancement, and diffusion-weighted imaging (DWI) signal. Liver function tests, Mayo Risk score, APRI, FIB-4 Index, MELD, and Child-Pugh scores were recorded. Histopathology was assessed using a modified Nakanuma's scoring system. Correlation and diagnostic performance of MRI scores and blood tests for assessment of PSC histopathologic disease severity were evaluated. RESULTS Findings of cirrhosis and portal hypertension were the only imaging features diagnostic of advanced PSC (stages 3 and 4) with AUC up to 0.90 (p < 0.001) for both observers. Parenchymal enhancement and overall qualitative biliary ductal abnormality identified advanced PSC stage with AUC up to 0.767 (p = 0.002) only for one observer. There was weak correlation between the overall qualitative biliary ductal abnormality on MRCP and histopathologic stage (r = 0.36, p = 0.01) for one observer. FIB-4 index, Child-Pugh, MELD, Mayo Risk, APRI, and alkaline phosphatase demonstrated good to excellent performance for advanced PSC stage (AUCs 0.672-0.915, p < 0.045). CONCLUSIONS MRI findings of cirrhosis/portal hypertension, blood tests, and clinical scoring systems had high performance for advanced histopathologic PSC stage diagnosis, while the severity of biliary abnormalities on MRI did not.
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85
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Milkiewicz P, Krawczyk M, Wunsch E, Ponsioen C, Hirschfield GM, Hubscher SG. Primary Sclerosing Cholangitis With Features of Autoimmune Hepatitis: Exploring the Global Variation in Management. Hepatol Commun 2020; 4:399-408. [PMID: 32140656 PMCID: PMC7049681 DOI: 10.1002/hep4.1467] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/25/2019] [Accepted: 11/16/2019] [Indexed: 11/26/2022] Open
Abstract
Patients with primary sclerosing cholangitis (PSC) frequently manifest features of autoimmune hepatitis (AIH). We sought to understand factors affecting expert management, with the goal of facilitating uniformity of care. A Survey Monkey questionnaire with four hypothetical cases suggesting a potential AIH/PSC variant was sent to hepatologists spanning global practices. Eighty responses from clinicians in 23 countries were obtained. Most of the respondents would request a liver biopsy, and stated that the cases presented could not be appropriately managed without a biopsy. Despite the fact that histology did not unequivocally support an AIH/PSC variant in three of the four cases, this diagnosis was reached by most of the respondents for all cases, except case 1, in which 49% were diagnosed with AIH/PSC. There was a wide variation of suggested medical treatment. For three cases, the most commonly chosen treatment options did not exceed 35%, indicating a lack management consensus. Most respondents would treat with ursodeoxycholic acid, despite current American Association for the Study of Liver Diseases guidelines, either alone or in combination with immunosuppression. European clinicians recommended ursodeoxycholic acid more frequently than their counterparts in North America (P < 0.05 in three out of four cases), who advocated the use of immunosuppression alone more commonly than Europeans (P = 0.005 in case 2). Conclusions: We document a wide variation in clinical decision making in the context of managing patients with a potential AIH/PSC variant. Guidance, likely based on systematic studies arising from prospective registries, is needed to better address this difficult clinician problem.
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Affiliation(s)
- Piotr Milkiewicz
- Liver and Internal Medicine Unit Department of General, Transplant and Liver Surgery Medical University of Warsaw Warsaw Poland.,Translational Medicine Group Pomeranian Medical University in Szczecin Szczecin Poland.,European Reference Network Medical University of Warsaw Hospital Warsaw Poland
| | - Marcin Krawczyk
- Laboratory of Metabolic Liver Diseases Department of General, Transplant and Liver Surgery Medical University of Warsaw Warsaw Poland.,Department of Medicine II Saarland University Medical Center Saarland University Homburg Germany.,European Reference Network Saarland University Medical Centre Homburg Germany
| | - Ewa Wunsch
- Translational Medicine Group Pomeranian Medical University in Szczecin Szczecin Poland
| | - Cyriel Ponsioen
- Amsterdam University Medical Centers University of Amsterdam Amsterdam Netherlands
| | | | - Stefan G Hubscher
- Department of Cellular Pathology Queen Elizabeth Hospital Birmingham United Kingdom.,Institute of Immunology and Immunotherapy University of Birmingham Birmingham United Kingdom
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Lemoinne S, Kemgang A, Ben Belkacem K, Straube M, Jegou S, Corpechot C, Chazouillères O, Housset C, Sokol H. Fungi participate in the dysbiosis of gut microbiota in patients with primary sclerosing cholangitis. Gut 2020; 69:92-102. [PMID: 31003979 DOI: 10.1136/gutjnl-2018-317791] [Citation(s) in RCA: 121] [Impact Index Per Article: 30.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/23/2018] [Revised: 02/21/2019] [Accepted: 03/19/2019] [Indexed: 12/15/2022]
Abstract
OBJECTIVE Patients with primary sclerosing cholangitis (PSC) were previously shown to display a bacterial gut dysbiosis but fungal microbiota has never been examined in these patients. The aim of this study was to assess the fungal gut microbiota in patients with PSC. DESIGN We analysed the faecal microbiota of patients with PSC and concomitant IBD (n=27), patients with PSC and no IBD (n=22), patients with IBD and no PSC (n=33) and healthy subjects (n=30). Bacterial and fungal composition of the faecal microbiota was determined using 16S and ITS2 sequencing, respectively. RESULTS We found that patients with PSC harboured bacterial dysbiosis characterised by a decreased biodiversity, an altered composition and a decreased correlation network density. These alterations of the microbiota were associated with PSC, independently of IBD status. For the first time, we showed that patients with PSC displayed a fungal gut dysbiosis, characterised by a relative increase in biodiversity and an altered composition. Notably, we observed an increased proportion of Exophiala and a decreased proportion of Saccharomyces cerevisiae. Compared with patients with IBD and healthy subjects, the gut microbiota of patients with PSC exhibited a strong disruption in bacteria-fungi correlation network, suggesting an alteration in the interkingdom crosstalk. CONCLUSION This study demonstrates that bacteria and fungi contribute to gut dysbiosis in PSC.
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Affiliation(s)
- Sara Lemoinne
- Centre de Recherche Saint-Antoine (CRSA), Sorbonne Université, INSERM, Paris, France.,Institute of Cardiometabolism and Nutrition (ICAN), Sorbonne Université, INSERM, Paris, France.,Reference Center for Inflammatory Biliary Diseases and Autoimmune Hepatitis (MIVB-H), Department of Hepatology, Saint-Antoine Hospital, Assistance Publique-Hôpitaux de Paris (AP-HP), Paris, France
| | - Astrid Kemgang
- Centre de Recherche Saint-Antoine (CRSA), Sorbonne Université, INSERM, Paris, France.,Institute of Cardiometabolism and Nutrition (ICAN), Sorbonne Université, INSERM, Paris, France.,Reference Center for Inflammatory Biliary Diseases and Autoimmune Hepatitis (MIVB-H), Department of Hepatology, Saint-Antoine Hospital, Assistance Publique-Hôpitaux de Paris (AP-HP), Paris, France
| | - Karima Ben Belkacem
- Centre de Recherche Saint-Antoine (CRSA), Sorbonne Université, INSERM, Paris, France.,Institute of Cardiometabolism and Nutrition (ICAN), Sorbonne Université, INSERM, Paris, France.,Reference Center for Inflammatory Biliary Diseases and Autoimmune Hepatitis (MIVB-H), Department of Hepatology, Saint-Antoine Hospital, Assistance Publique-Hôpitaux de Paris (AP-HP), Paris, France
| | - Marjolène Straube
- Centre de Recherche Saint-Antoine (CRSA), Sorbonne Université, INSERM, Paris, France.,Department of Gastroenterology, Saint-Antoine Hospital, Assistance Publique-Hôpitaux de Paris (AP-HP), Paris, France
| | - Sarah Jegou
- Centre de Recherche Saint-Antoine (CRSA), Sorbonne Université, INSERM, Paris, France.,Department of Gastroenterology, Saint-Antoine Hospital, Assistance Publique-Hôpitaux de Paris (AP-HP), Paris, France
| | - Christophe Corpechot
- Centre de Recherche Saint-Antoine (CRSA), Sorbonne Université, INSERM, Paris, France.,Institute of Cardiometabolism and Nutrition (ICAN), Sorbonne Université, INSERM, Paris, France.,Reference Center for Inflammatory Biliary Diseases and Autoimmune Hepatitis (MIVB-H), Department of Hepatology, Saint-Antoine Hospital, Assistance Publique-Hôpitaux de Paris (AP-HP), Paris, France
| | | | - Olivier Chazouillères
- Centre de Recherche Saint-Antoine (CRSA), Sorbonne Université, INSERM, Paris, France.,Institute of Cardiometabolism and Nutrition (ICAN), Sorbonne Université, INSERM, Paris, France.,Reference Center for Inflammatory Biliary Diseases and Autoimmune Hepatitis (MIVB-H), Department of Hepatology, Saint-Antoine Hospital, Assistance Publique-Hôpitaux de Paris (AP-HP), Paris, France
| | - Chantal Housset
- Centre de Recherche Saint-Antoine (CRSA), Sorbonne Université, INSERM, Paris, France.,Institute of Cardiometabolism and Nutrition (ICAN), Sorbonne Université, INSERM, Paris, France.,Reference Center for Inflammatory Biliary Diseases and Autoimmune Hepatitis (MIVB-H), Department of Hepatology, Saint-Antoine Hospital, Assistance Publique-Hôpitaux de Paris (AP-HP), Paris, France
| | - Harry Sokol
- Centre de Recherche Saint-Antoine (CRSA), Sorbonne Université, INSERM, Paris, France.,Department of Gastroenterology, Saint-Antoine Hospital, Assistance Publique-Hôpitaux de Paris (AP-HP), Paris, France.,UMR1319 Micalis, AgroParisTech, INRA, Jouy-en-Josas, France
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87
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Eaton JE, Vesterhus M, McCauley BM, Atkinson EJ, Schlicht EM, Juran BD, Gossard AA, LaRusso NF, Gores GJ, Karlsen TH, Lazaridis KN. Primary Sclerosing Cholangitis Risk Estimate Tool (PREsTo) Predicts Outcomes of the Disease: A Derivation and Validation Study Using Machine Learning. Hepatology 2020; 71:214-224. [PMID: 29742811 PMCID: PMC6226358 DOI: 10.1002/hep.30085] [Citation(s) in RCA: 76] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/08/2018] [Accepted: 07/13/2018] [Indexed: 02/06/2023]
Abstract
Improved methods are needed to risk stratify and predict outcomes in patients with primary sclerosing cholangitis (PSC). Therefore, we sought to derive and validate a prediction model and compare its performance to existing surrogate markers. The model was derived using 509 subjects from a multicenter North American cohort and validated in an international multicenter cohort (n = 278). Gradient boosting, a machine-based learning technique, was used to create the model. The endpoint was hepatic decompensation (ascites, variceal hemorrhage, or encephalopathy). Subjects with advanced PSC or cholangiocarcinoma (CCA) at baseline were excluded. The PSC risk estimate tool (PREsTo) consists of nine variables: bilirubin, albumin, serum alkaline phosphatase (SAP) times the upper limit of normal (ULN), platelets, aspartate aminotransferase (AST), hemoglobin, sodium, patient age, and number of years since PSC was diagnosed. Validation in an independent cohort confirms that PREsTo accurately predicts decompensation (C-statistic, 0.90; 95% confidence interval [CI], 0.84-0.95) and performed well compared to Model for End-Stage Liver Disease (MELD) score (C-statistic, 0.72; 95% CI, 0.57-0.84), Mayo PSC risk score (C-statistic, 0.85; 95% CI, 0.77-0.92), and SAP <1.5 × ULN (C-statistic, 0.65; 95% CI, 0.55-0.73). PREsTo continued to be accurate among individuals with a bilirubin <2.0 mg/dL (C-statistic, 0.90; 95% CI, 0.82-0.96) and when the score was reapplied at a later course in the disease (C-statistic, 0.82; 95% CI, 0.64-0.95). Conclusion: PREsTo accurately predicts hepatic decompensation (HD) in PSC and exceeds the performance among other widely available, noninvasive prognostic scoring systems.
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Affiliation(s)
- John E. Eaton
- Division of Gastroenterology & Hepatology Mayo Clinic, Rochester, MN
| | - Mette Vesterhus
- Norwegian PSC Research Center, Division of Surgery, Inflammatory Medicine and Transplantation, Oslo University Hospital, Rikshospitalet, Oslo, Norway,National Centre for Ultrasound in Gastroenterology, Haukeland University Hospital, Bergen, Norway
| | - Bryan M. McCauley
- Division of Biomedical Statistics and Informatics Mayo Clinic, Rochester, MN
| | | | - Erik M. Schlicht
- Division of Gastroenterology & Hepatology Mayo Clinic, Rochester, MN
| | - Brian D. Juran
- Division of Gastroenterology & Hepatology Mayo Clinic, Rochester, MN
| | - Andrea A. Gossard
- Division of Gastroenterology & Hepatology Mayo Clinic, Rochester, MN
| | | | - Gregory J. Gores
- Division of Gastroenterology & Hepatology Mayo Clinic, Rochester, MN
| | - Tom H. Karlsen
- Norwegian PSC Research Center, Division of Surgery, Inflammatory Medicine and Transplantation, Oslo University Hospital, Rikshospitalet, Oslo, Norway
| | - Konstantinos N. Lazaridis
- Division of Gastroenterology & Hepatology Mayo Clinic, Rochester, MN,Corresponding Author: Konstantinos N. Lazaridis, M.D., Professor of Medicine, Division of Gastroenterology & Hepatology, Mayo Clinic College of Medicine, 200 First Street SW, Rochester, MN 55905, , Phone: 507-284-1006, Fax: 507-284-0762
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88
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Emerging therapies in primary sclerosing cholangitis: pathophysiological basis and clinical opportunities. J Gastroenterol 2020; 55:588-614. [PMID: 32222826 PMCID: PMC7242240 DOI: 10.1007/s00535-020-01681-z] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/19/2020] [Accepted: 03/05/2020] [Indexed: 02/04/2023]
Abstract
Primary sclerosing cholangitis (PSC) is a progressive liver disease, histologically characterized by inflammation and fibrosis of the bile ducts, and clinically leading to multi-focal biliary strictures and with time cirrhosis and liver failure. Patients bear a significant risk of cholangiocarcinoma and colorectal cancer, and frequently have concomitant inflammatory bowel disease and autoimmune disease manifestations. To date, no medical therapy has proven significant impact on clinical outcomes and most patients ultimately need liver transplantation. Several treatment strategies have failed in the past and whilst prescription of ursodeoxycholic acid (UDCA) prevails, controversy regarding benefits remains. Lack of statistical power, slow and variable disease progression, lack of surrogate biomarkers for disease severity and other challenges in trial design serve as critical obstacles in the development of effective therapy. Advances in our understanding of PSC pathogenesis and biliary physiology over recent years has however led to a surge of clinical trials targeting various mechanistic compartments and currently raising hopes for imminent changes in patient management. Here, in light of pathophysiology, we outline and critically evaluate emerging treatment strategies in PSC, as tested in recent or ongoing phase II and III trials, stratified per a triad of targets of nuclear and membrane receptors regulating bile acid metabolism, immune modulators, and effects on the gut microbiome. Furthermore, we revisit the UDCA trials of the past and critically discuss relevant aspects of clinical trial design, including how the choice of endpoints, alkaline phosphatase in particular, may affect the future path to novel, effective PSC therapeutics.
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89
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Lemoinne S, Cazzagon N, El Mouhadi S, Trivedi PJ, Dohan A, Kemgang A, Ben Belkacem K, Housset C, Chretien Y, Corpechot C, Hirschfield G, Floreani A, Motta R, Gallix B, Barkun A, Barkun J, Chazouillères O, Arrivé L. Simple Magnetic Resonance Scores Associate With Outcomes of Patients With Primary Sclerosing Cholangitis. Clin Gastroenterol Hepatol 2019; 17:2785-2792.e3. [PMID: 30880273 DOI: 10.1016/j.cgh.2019.03.013] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Revised: 02/23/2019] [Accepted: 03/01/2019] [Indexed: 02/07/2023]
Abstract
BACKGROUND & AIMS Primary sclerosing cholangitis (PSC) has a variable, often progressive, course. Magnetic resonance cholangiography (MRC) is used in the diagnosis of PSC. Magnetic resonance risk scoring systems, called Anali without and with gadolinium, are used to predict disease progression, determined by radiologic factors. We aimed to assess the prognostic value of Anali scores in patients with PSC and validate our findings in a separate cohort. METHODS We performed a retrospective study of patients with large-duct PSC (internal cohort, 119 patients in France; external cohort, 119 patients in Canada, Italy, and the United Kingdom). All the first-available MRC results were reviewed by 2 radiologists and the Anali scores were calculated as follows: Anali without gadolinium = (1× dilatation of intrahepatic bile ducts) + (2× dysmorphy) + (1× portal hypertension); Anali with gadolinium = (1× dysmorphy) + (1× parenchymal enhancement heterogeneity). The primary end point was survival without liver transplantation or cirrhosis decompensation. The prognostic value of Anali scores was assessed by Cox regression modeling. RESULTS During a total of 549 patient-years for the internal cohort and 497 patient-years for the external cohort, we recorded 2 and 8 liver transplantations, 4 and 3 liver-related deaths, and 26 and 25 cirrhosis decompensations, respectively. In the univariate analysis, factors associated with survival without liver transplantation or cirrhosis decompensation in the internal cohort were as follows: serum levels of bilirubin, aspartate aminotransferase, alanine aminotransferase, γ-glutamyl transferase, alkaline phosphatase, albumin, and Anali scores. Anali scores without and with gadolinium identified patients' survival without liver transplantation or cirrhosis decompensation with a c-statistic of 0.89 (95% CI, 0.84-0.95) and 0.75 (95% CI, 0.64-0.87), respectively. Independent prognostic factors identified by multivariate analysis were Anali scores and bilirubinemia. The prognostic value of Anali scores was confirmed in the external cohort. CONCLUSIONS In internal and external cohorts, we found that Anali scores, determined from MRC, were associated with outcomes of patients with PSC. These scores might be used as prognostic factors.
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Affiliation(s)
- Sara Lemoinne
- Assistance Publique - Hôpitaux de Paris, Sorbonne University, INSERM, Reference Center for Inflammatory Biliary Diseases and Autoimmune Hepatitis & Saint-Antoine Research Center, Saint-Antoine Hospital, Paris, France
| | - Nora Cazzagon
- Assistance Publique - Hôpitaux de Paris, Sorbonne University, INSERM, Reference Center for Inflammatory Biliary Diseases and Autoimmune Hepatitis & Saint-Antoine Research Center, Saint-Antoine Hospital, Paris, France; Department of Surgery, Oncology and Gastroenterology - DISCOG, Padova, Italy.
| | - Sanaâ El Mouhadi
- Assistance Publique - Hôpitaux de Paris, Sorbonne University, Department of Radiology, Saint-Antoine Hospital, Paris, France
| | - Palak J Trivedi
- National Institute for Health Research (NIHR) Birmingham Biomedical Research Center, University Hospitals Birmingham and Institute of Immunology and Immunotherapy, University of Birmingham, Birmingham, United Kingdom; Institute of Applied Health Research, University of Birmingham, United Kingdom
| | - Anthony Dohan
- Department of Radiology, Montreal, Quebec, Canada; Assistance Publique - Hôpitaux de Paris, Department of Radiology, Hôpital Cochin, Université Sorbonne Paris Cité, Paris-Descartes, Paris, France
| | - Astrid Kemgang
- Assistance Publique - Hôpitaux de Paris, Sorbonne University, INSERM, Reference Center for Inflammatory Biliary Diseases and Autoimmune Hepatitis & Saint-Antoine Research Center, Saint-Antoine Hospital, Paris, France
| | - Karima Ben Belkacem
- Assistance Publique - Hôpitaux de Paris, Sorbonne University, INSERM, Reference Center for Inflammatory Biliary Diseases and Autoimmune Hepatitis & Saint-Antoine Research Center, Saint-Antoine Hospital, Paris, France
| | - Chantal Housset
- Assistance Publique - Hôpitaux de Paris, Sorbonne University, INSERM, Reference Center for Inflammatory Biliary Diseases and Autoimmune Hepatitis & Saint-Antoine Research Center, Saint-Antoine Hospital, Paris, France
| | - Yves Chretien
- Assistance Publique - Hôpitaux de Paris, Sorbonne University, INSERM, Reference Center for Inflammatory Biliary Diseases and Autoimmune Hepatitis & Saint-Antoine Research Center, Saint-Antoine Hospital, Paris, France
| | - Christophe Corpechot
- Assistance Publique - Hôpitaux de Paris, Sorbonne University, INSERM, Reference Center for Inflammatory Biliary Diseases and Autoimmune Hepatitis & Saint-Antoine Research Center, Saint-Antoine Hospital, Paris, France
| | - Gideon Hirschfield
- Institute of Applied Health Research, University of Birmingham, United Kingdom; Toronto Center for Liver Disease, University Health Network, University of Toronto, Toronto, Canada
| | - Annarosa Floreani
- Department of Surgery, Oncology and Gastroenterology - DISCOG, Padova, Italy
| | - Raffaella Motta
- Department of Medicine (DIMED), Institute of Radiology, University of Padova, Padova, Italy
| | | | - Alan Barkun
- Department of Gastroenterology, Montreal, Quebec, Canada
| | - Jeffrey Barkun
- Department of Surgery, McGill University Health Center, Montreal, Quebec, Canada
| | - Olivier Chazouillères
- Assistance Publique - Hôpitaux de Paris, Sorbonne University, INSERM, Reference Center for Inflammatory Biliary Diseases and Autoimmune Hepatitis & Saint-Antoine Research Center, Saint-Antoine Hospital, Paris, France
| | - Lionel Arrivé
- Assistance Publique - Hôpitaux de Paris, Sorbonne University, Department of Radiology, Saint-Antoine Hospital, Paris, France
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90
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The Complementary Value of Magnetic Resonance Imaging and Vibration-Controlled Transient Elastography for Risk Stratification in Primary Sclerosing Cholangitis. Am J Gastroenterol 2019; 114:1878-1885. [PMID: 31738286 DOI: 10.14309/ajg.0000000000000461] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
OBJECTIVES Magnetic resonance (MR) risk scores and liver stiffness (LS) have individually been shown to predict clinical outcomes in primary sclerosing cholangitis (PSC). The aim of this study was to assess their complementary prognostic value. METHODS Patients with PSC from 3 European centers with a 3-dimensional MR cholangiography available for central reviewing and a valid LS measurement assessed by vibration-controlled transient elastography by FibroScan performed within a 6-month interval were included in a longitudinal retrospective study. The MR score (Anali) without gadolinium (Gd) was calculated according to the formula: (1 × dilatation of intrahepatic bile ducts) + (2 × dysmorphy) + (1 × portal hypertension). The primary end point was survival without liver transplantation or cirrhosis decompensation. The prognostic values of LS and Anali score without Gd were assessed using Cox proportional hazard models. RESULTS One hundred sixty-two patients were included. Over a total follow-up of 753 patient-years, 40 patients experienced an adverse outcome (4 liver transplantations, 6 liver-related deaths, and 30 cirrhosis decompensations). LS and Anali score without Gd were significantly correlated (ρ = 0.51, P < 0.001) and were independently associated with the occurrence of an adverse outcome. Optimal prognostic thresholds were 10.5 kPa for LS and 2 for the Anali score without Gd. Hazard ratios (95% confidence interval) were 2.07 (1.06-4.06) and 3.78 (1.67-8.59), respectively. The use in combination of these 2 thresholds allowed us to separate patients into low-, medium-, and high-risk groups for developing adverse outcomes. The 5-year cumulative rates of adverse outcome in these 3 groups were 8%, 16%, and 38% (P < 0.001), respectively. DISCUSSION The combined use of MRI and vibration-controlled transient elastography permits easy risk stratification of patients with PSC.
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91
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Goet JC, Floreani A, Verhelst X, Cazzagon N, Perini L, Lammers WJ, de Vries AC, van der Meer AJ, van Buuren HR, Hansen BE. Validation, clinical utility and limitations of the Amsterdam-Oxford model for primary sclerosing cholangitis. J Hepatol 2019; 71:992-999. [PMID: 31278949 DOI: 10.1016/j.jhep.2019.06.012] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/19/2018] [Revised: 05/20/2019] [Accepted: 06/19/2019] [Indexed: 12/15/2022]
Abstract
BACKGROUND & AIMS Recently the Amsterdam-Oxford model (AOM) was introduced as a prognostic model to assess the risk of death and/or liver transplantation (LT) in primary sclerosing cholangitis (PSC). We aimed to validate and assess the utility of the AOM. METHODS Clinical and laboratory data were collected from the time of PSC diagnosis until the last visit or time of LT or death. The AOM was calculated at yearly intervals following PSC diagnosis. Discriminatory performance was assessed by calculation of the C-statistic and prediction accuracy by comparing the predicted survival with the observed survival in Kaplan-Meier estimates. A grid search was performed to identify the most discriminatory AOM threshold. RESULTS A total of 534 patients with PSC and a mean (SD) age of 39.2 (13.1) years were included. The diagnosis was large duct PSC in 466 (87%), PSC with features of autoimmune hepatitis in 52 (10%) and small-duct PSC in 16 (3%). During the median (IQR) follow-up of 7.8 (4.0-12.6) years, 167 patients underwent LT and 65 died. The median LT-free survival was 13.2 (11.8-14.7) years. The C-statistic of the AOM ranged from 0.67 at baseline to 0.75 at 5 years of follow-up. The difference between the predicted and observed survival ranged from -1.6% at 1 year to + 3.9% at 5 years of follow-up. Patients that developed AOM scores >2.0 were at significant risk of LT or death (time-dependent hazard ratio 4.09; 95% CI 2.99-5.61). CONCLUSIONS In this large cohort of patients with PSC, the AOM showed an adequate discriminative performance and good prediction accuracy at PSC diagnosis and during follow-up. This study further validates the AOM as a valuable risk stratification tool in PSC and extends its utility. LAY SUMMARY In our study we assessed whether the Amsterdam-Oxford model (AOM) is able to correctly estimate the risk of liver transplantation or death in patients with primary sclerosing cholangitis (PSC). This model uses 7 objective and readily available variables to estimate prognosis for individual patients at the time of PSC diagnosis. The AOM may aid in patient counselling and timing of diagnostic procedures or therapeutic interventions for complications of liver disease. We confirm that the model works well at PSC diagnosis, but also when the AOM is recalculated at different timepoints during follow-up, greatly improving the applicability of the model in clinical practice and for individual patients.
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Affiliation(s)
- Jorn C Goet
- Department of Gastroenterology and Hepatology, Erasmus University Medical Center, Rotterdam, The Netherlands.
| | - Annarosa Floreani
- Department of Surgery, Oncology and Gastroenterology, University of Padua, Padua, Italy
| | - Xavier Verhelst
- Department of Gastroenterology and Hepatology, Ghent University Hospital, Belgium
| | - Nora Cazzagon
- Department of Surgery, Oncology and Gastroenterology, University of Padua, Padua, Italy
| | - Lisa Perini
- Department of Surgery, Oncology and Gastroenterology, University of Padua, Padua, Italy
| | - Willem J Lammers
- Department of Gastroenterology and Hepatology, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Annemarie C de Vries
- Department of Gastroenterology and Hepatology, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Adriaan J van der Meer
- Department of Gastroenterology and Hepatology, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Henk R van Buuren
- Department of Gastroenterology and Hepatology, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Bettina E Hansen
- Department of Gastroenterology and Hepatology, Erasmus University Medical Center, Rotterdam, The Netherlands; Toronto Centre for Liver Disease, Toronto General Hospital, University of Toronto, Toronto, Canada; Institute of Health Policy, Management and Evaluation, University of Toronto, Toronto, Canada
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Khoshpouri P, Habibabadi RR, Hazhirkarzar B, Ameli S, Ghadimi M, Ghasabeh MA, Menias CO, Kim A, Li Z, Kamel IR. Imaging Features of Primary Sclerosing Cholangitis: From Diagnosis to Liver Transplant Follow-up. Radiographics 2019; 39:1938-1964. [DOI: 10.1148/rg.2019180213] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Pegah Khoshpouri
- From the Russell H. Morgan Department of Radiology and Radiological Sciences, Johns Hopkins University School of Medicine, 600 N Wolfe St, MRI Room 143, Baltimore, MD 21287 (P.K., R.R.H., B.H., S.A., M.G., M.A.G., A.K., Z.L., I.R.K.); and Department of Radiology, Mayo Clinic Phoenix, Scottsdale, Ariz (C.O.M.)
| | - Roya Rezvani Habibabadi
- From the Russell H. Morgan Department of Radiology and Radiological Sciences, Johns Hopkins University School of Medicine, 600 N Wolfe St, MRI Room 143, Baltimore, MD 21287 (P.K., R.R.H., B.H., S.A., M.G., M.A.G., A.K., Z.L., I.R.K.); and Department of Radiology, Mayo Clinic Phoenix, Scottsdale, Ariz (C.O.M.)
| | - Bita Hazhirkarzar
- From the Russell H. Morgan Department of Radiology and Radiological Sciences, Johns Hopkins University School of Medicine, 600 N Wolfe St, MRI Room 143, Baltimore, MD 21287 (P.K., R.R.H., B.H., S.A., M.G., M.A.G., A.K., Z.L., I.R.K.); and Department of Radiology, Mayo Clinic Phoenix, Scottsdale, Ariz (C.O.M.)
| | - Sanaz Ameli
- From the Russell H. Morgan Department of Radiology and Radiological Sciences, Johns Hopkins University School of Medicine, 600 N Wolfe St, MRI Room 143, Baltimore, MD 21287 (P.K., R.R.H., B.H., S.A., M.G., M.A.G., A.K., Z.L., I.R.K.); and Department of Radiology, Mayo Clinic Phoenix, Scottsdale, Ariz (C.O.M.)
| | - Maryam Ghadimi
- From the Russell H. Morgan Department of Radiology and Radiological Sciences, Johns Hopkins University School of Medicine, 600 N Wolfe St, MRI Room 143, Baltimore, MD 21287 (P.K., R.R.H., B.H., S.A., M.G., M.A.G., A.K., Z.L., I.R.K.); and Department of Radiology, Mayo Clinic Phoenix, Scottsdale, Ariz (C.O.M.)
| | - Mounes Aliyari Ghasabeh
- From the Russell H. Morgan Department of Radiology and Radiological Sciences, Johns Hopkins University School of Medicine, 600 N Wolfe St, MRI Room 143, Baltimore, MD 21287 (P.K., R.R.H., B.H., S.A., M.G., M.A.G., A.K., Z.L., I.R.K.); and Department of Radiology, Mayo Clinic Phoenix, Scottsdale, Ariz (C.O.M.)
| | - Christine O. Menias
- From the Russell H. Morgan Department of Radiology and Radiological Sciences, Johns Hopkins University School of Medicine, 600 N Wolfe St, MRI Room 143, Baltimore, MD 21287 (P.K., R.R.H., B.H., S.A., M.G., M.A.G., A.K., Z.L., I.R.K.); and Department of Radiology, Mayo Clinic Phoenix, Scottsdale, Ariz (C.O.M.)
| | - Amy Kim
- From the Russell H. Morgan Department of Radiology and Radiological Sciences, Johns Hopkins University School of Medicine, 600 N Wolfe St, MRI Room 143, Baltimore, MD 21287 (P.K., R.R.H., B.H., S.A., M.G., M.A.G., A.K., Z.L., I.R.K.); and Department of Radiology, Mayo Clinic Phoenix, Scottsdale, Ariz (C.O.M.)
| | - Zhiping Li
- From the Russell H. Morgan Department of Radiology and Radiological Sciences, Johns Hopkins University School of Medicine, 600 N Wolfe St, MRI Room 143, Baltimore, MD 21287 (P.K., R.R.H., B.H., S.A., M.G., M.A.G., A.K., Z.L., I.R.K.); and Department of Radiology, Mayo Clinic Phoenix, Scottsdale, Ariz (C.O.M.)
| | - Ihab R. Kamel
- From the Russell H. Morgan Department of Radiology and Radiological Sciences, Johns Hopkins University School of Medicine, 600 N Wolfe St, MRI Room 143, Baltimore, MD 21287 (P.K., R.R.H., B.H., S.A., M.G., M.A.G., A.K., Z.L., I.R.K.); and Department of Radiology, Mayo Clinic Phoenix, Scottsdale, Ariz (C.O.M.)
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93
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Rate of Spleen Length Progression Is a Marker of Outcome in Patients With Primary Sclerosing Cholangitis. Clin Gastroenterol Hepatol 2019; 17:2613-2615. [PMID: 30616025 DOI: 10.1016/j.cgh.2018.12.033] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/01/2018] [Revised: 12/20/2018] [Accepted: 12/23/2018] [Indexed: 02/07/2023]
Abstract
Patients with primary sclerosing cholangitis (PSC) tend to develop progressive liver fibrosis and end-stage liver disease within 10-20 years.1 The International PSC Study Group declared research on surrogate endpoints a high-priority task not least for ongoing clinical trials on novel treatment options.2 The spleen in patients with PSC often enlarges even before cirrhosis develops. Transient elastography (TE) has been investigated as a dynamic and prognostic marker in PSC.3,4 However, TE is not generally accessible, measures only a small part of the right liver, and is prone to errors in obese patients, and liver stiffness is related to postprandial status, liver inflammation, and biliary obstruction.5 We have recently demonstrated that single-point spleen length (SL) measurement has a prognostic performance similar to liver stiffness measured by TE.3,4,6 SL measurement is a fast, simple, and ubiquitously available method. However, absolute spleen size depends on body height and sex,7 and single-point measurement of SL cannot be used to assess the effects of therapeutic interventions. To overcome these issues, we assessed the intra-individual development of spleen size over time (delta spleen length: dSL = SL2 - SL1) to evaluate its role as a novel surrogate marker, which accounts for the dynamic nature of PSC progression.
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Trivedi PJ. Risk stratification in primary sclerosing cholangitis: It's time to move on from replicating imperfection and break the glass ceiling. J Hepatol 2019; 71:867-870. [PMID: 31515045 DOI: 10.1016/j.jhep.2019.08.013] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/07/2019] [Accepted: 08/18/2019] [Indexed: 12/12/2022]
Affiliation(s)
- Palak J Trivedi
- National Institute for Health Research (NIHR) Birmingham Biomedical Research Centre, Centre for Liver and Gastroenterology Research, University of Birmingham, UK; Institute of Immunology and Immunotherapy, University of Birmingham, UK; Institute of Applied Health Research, University of Birmingham, UK; Liver Unit, University Hospitals Birmingham NHS Foundation Trust Queen Elizabeth, UK.
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Chen G, Xia B, Fu Q, Huang X, Wang F, Chen Z, Lv Y. Matrix Mechanics as Regulatory Factors and Therapeutic Targets in Hepatic Fibrosis. Int J Biol Sci 2019; 15:2509-2521. [PMID: 31754325 PMCID: PMC6854372 DOI: 10.7150/ijbs.37500] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2019] [Accepted: 08/07/2019] [Indexed: 12/12/2022] Open
Abstract
The hallmark of liver fibrosis is excessive extracellular matrix (ECM) synthesis and deposition that improve liver matrix remodeling and stiffening. Increased matrix stiffness is not only a pathological consequence of liver fibrosis in traditional view, but also recognized as a key driver in pathological progression of hepatic fibrosis. Cells can perceive changes in the mechanical characteristics of hepatic matrix and respond by means of mechanical signal transduction pathways to regulate cell behavior. In this review, the authors first classify causes of liver matrix stiffening during fibrotic progression, such as higher degree of collagen cross-linking. The latest advances of the research on the matrix mechanics in regulating activation of HSCs or fibroblasts under two-dimensional (2D) and three-dimensional (3D) microenvironment is also classified and summarized. The mechanical signaling pathways involved in the process of hepatic matrix stiffening, such as YAP-TAZ signaling pathway, are further summarized. Finally, some potential therapeutic concepts and strategies based on matrix mechanics will be detailed. Collectively, these findings reinforce the importance of matrix mechanics in hepatic fibrosis, and underscore the value of clarifying its modulation in hopes of advancing the development of novel therapeutic targets and strategies for hepatic fibrosis.
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Affiliation(s)
- Guobao Chen
- School of Pharmacy and Bioengineering, Chongqing University of Technology, Chongqing 400054, P. R. China
| | - Bin Xia
- Chongqing Technology and Business University, Chongqing 400067, P. R. China
| | - Qiang Fu
- School of Pharmacy and Bioengineering, Chongqing University of Technology, Chongqing 400054, P. R. China
| | - Xiang Huang
- School of Pharmacy and Bioengineering, Chongqing University of Technology, Chongqing 400054, P. R. China
| | - Fuping Wang
- School of Pharmacy and Bioengineering, Chongqing University of Technology, Chongqing 400054, P. R. China
| | - Zhongmin Chen
- School of Pharmacy and Bioengineering, Chongqing University of Technology, Chongqing 400054, P. R. China
| | - Yonggang Lv
- Key Laboratory of Biorheological Science and Technology (Chongqing University), Ministry of Education, Bioengineering College, Chongqing University, Chongqing 400044, P. R. China
- Mechanobiology and Regenerative Medicine Laboratory, Bioengineering College, Chongqing University, Chongqing 400044, P. R. China
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96
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Demirtas AO, Koc AS, Sumbul HE, Koca H, Icen YK, Demirtas D, Pekoz BC, Ardıc LM, Koc M, Kucukosmanoglu M. Liver stiffness obtained by ElastPQ ultrasound shear wave elastography independently determines mean right atrial pressure. Abdom Radiol (NY) 2019; 44:3030-3039. [PMID: 31154483 DOI: 10.1007/s00261-019-02083-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
PURPOSE We aimed to investigate the relationship between right atrial pressure (RAP) and liver stiffness (LS) determined by liver elastography (LE) during cardiac resynchronization therapy (CRT) in patients with heart failure (HF) and conventional pacemaker (PM) implantation in patients without HF. METHODS 60 patients with HF who underwent CRT and 60 patients without HF who underwent PM were enrolled. Routine echocardiography and laboratory examinations were performed. Systolic, diastolic, and mean RAP measurements were performed inversely during PM implantation and LS measurement with ElastPQ technique. RESULTS Systolic, diastolic, and mean RAP, left ventricular (LV) systolic-diastolic, right ventricular (RV) diastolic and left atrial diameters, tricuspid regurgitation pressure gradient, and RV-myocardial performance index (MPI) values were significantly higher in patients with HF (p < 0.05 each-one). LV ejection fraction and tricuspid annular plane systolic excursion values were significantly lower in patients with HF group (p < 0.05 each-one). LS values and inspiratory (Ins) and expiratory inferior vena cava (IVC) diameters were significantly higher in the patients with HF (p < 0.05 each-one). Mean RAP was found to be closely related to LS value, Ins-IVC diameter, RV-MPI, and NT-proBNP levels. LS value and Ins-IVC diameter were found to determine patients with mean RAP > 5 mmHg and > 10 mmHg. When the cut-off value of LS was taken as 7 kPa, it was found that the mean RAP > 10 mmHg with 89.6% sensitivity and 87.5% specificity. CONCLUSIONS The non-invasive LS value determined by LE independently determines the mean RAP in patients with and without HF. According to our study results, > 7 kPa value for LS determined in liver US may be predictive for increased mean RAP.
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Affiliation(s)
- Abdullah Orhan Demirtas
- Department of Cardiology, University of Health Sciences - Adana Health Practice and Research Center, Adana, Turkey
| | - Ayse Selcan Koc
- Department of Radiology, University of Health Sciences - Adana Health Practice and Research Center, Dr. Mithat Özsan Bulvarı Kışla Mah, 4522 Sok, No: 1 Yüreğir, Adana, Turkey.
| | - Hilmi Erdem Sumbul
- Department of Internal Medicine, University of Health Sciences - Adana Health Practice and Research Center, Adana, Turkey
| | - Hasan Koca
- Department of Cardiology, University of Health Sciences - Adana Health Practice and Research Center, Adana, Turkey
| | - Yahya Kemal Icen
- Department of Cardiology, University of Health Sciences - Adana Health Practice and Research Center, Adana, Turkey
| | - Derya Demirtas
- Department of Internal Medicine, University of Health Sciences - Adana Health Practice and Research Center, Adana, Turkey
| | - Burcak Cakır Pekoz
- Department of Radiology, University of Health Sciences - Adana Health Practice and Research Center, Dr. Mithat Özsan Bulvarı Kışla Mah, 4522 Sok, No: 1 Yüreğir, Adana, Turkey
| | - Lutfullah Mustafa Ardıc
- Department of Cardiology, University of Health Sciences - Adana Health Practice and Research Center, Adana, Turkey
| | - Mevlut Koc
- Department of Cardiology, University of Health Sciences - Adana Health Practice and Research Center, Adana, Turkey
| | - Mehmet Kucukosmanoglu
- Department of Cardiology, University of Health Sciences - Adana Health Practice and Research Center, Adana, Turkey
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Chapman MH, Thorburn D, Hirschfield GM, Webster GGJ, Rushbrook SM, Alexander G, Collier J, Dyson JK, Jones DE, Patanwala I, Thain C, Walmsley M, Pereira SP. British Society of Gastroenterology and UK-PSC guidelines for the diagnosis and management of primary sclerosing cholangitis. Gut 2019; 68:1356-1378. [PMID: 31154395 PMCID: PMC6691863 DOI: 10.1136/gutjnl-2018-317993] [Citation(s) in RCA: 138] [Impact Index Per Article: 27.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/25/2018] [Revised: 02/21/2019] [Accepted: 03/24/2019] [Indexed: 12/11/2022]
Abstract
These guidelines on the management of primary sclerosing cholangitis (PSC) were commissioned by the British Society of Gastroenterology liver section. The guideline writing committee included medical representatives from hepatology and gastroenterology groups as well as patient representatives from PSC Support. The guidelines aim to support general physicians, gastroenterologists and surgeons in managing adults with PSC or those presenting with similar cholangiopathies which may mimic PSC, such as IgG4 sclerosing cholangitis. It also acts as a reference for patients with PSC to help them understand their own management. Quality of evidence is presented using the AGREE II format. Guidance is meant to be used as a reference rather than for rigid protocol-based care as we understand that management of patients often requires individual patient-centred considerations.
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Affiliation(s)
- Michael Huw Chapman
- GI Division, UCL Hospitals NHS Foundation Trust, London, UK
- Liver Unit, Royal Free London NHS Foundation Trust, London, UK
| | | | - Gideon M Hirschfield
- Toronto Centre for Liver Disease, University Health Network and University of Toronto, Toronto, Canada
| | | | - Simon M Rushbrook
- Department of Hepatology, Norfolk and Norwich University Hospitals NHS Trust, Norwich, UK
| | | | | | - Jessica K Dyson
- Hepatology, Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle, UK
- Institute of Cellular Medicine, Newcastle University, Newcastle, UK
| | - David Ej Jones
- Institute of Cellular Medicine, Newcastle University, Newcastle, UK
| | - Imran Patanwala
- Gastroenterology, Royal Liverpool and Broadgreen University Hospitals NHS Trust, Liverpool, UK
- University of Liverpool, Liverpool, UK
| | | | | | - Stephen P Pereira
- GI Division, UCL Hospitals NHS Foundation Trust, London, UK
- Institute for Liver & Digestive Health, University College London, London, UK
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98
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Maurice JB, Thorburn D. Precision medicine in primary sclerosing cholangitis. J Dig Dis 2019; 20:346-356. [PMID: 31099965 DOI: 10.1111/1751-2980.12788] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/08/2019] [Accepted: 05/07/2019] [Indexed: 12/11/2022]
Abstract
Primary sclerosing cholangitis is a rare, complex autoimmune disease in relatively young patients. There is currently no treatment for the disease, resulting in high rates of advanced liver disease leading to death or liver transplantation. However, advances have been made in our understanding of the pathophysiological mechanisms of the disease, particularly from breakthroughs in the underlying genetics. Moreover, large international collaborations have generated important clinical data that have given greater detail on the different disease phenotypes and natural history, generating new risk prediction models. As a result, drug development may be designed to target specific disease mechanisms at known points of the disease natural history. Therefore, more drugs are entering phase II and III development, giving hope that soon patient-specific treatments may be available to treat this difficult disease.
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Affiliation(s)
- James B Maurice
- Department of Hepatology and Liver Transplantation, Royal Free Hospital NHS Foundation Trust, London, UK
| | - Douglas Thorburn
- Department of Hepatology and Liver Transplantation, Royal Free Hospital NHS Foundation Trust, London, UK
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99
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Seo KI, Kang SB. [Hepatobiliary Manifestation of Inflammatory Bowel Disease]. THE KOREAN JOURNAL OF GASTROENTEROLOGY 2019; 73:248-259. [PMID: 31132831 DOI: 10.4166/kjg.2019.73.5.248] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/03/2019] [Revised: 05/05/2019] [Accepted: 05/12/2019] [Indexed: 12/13/2022]
Abstract
The hepatobiliary system is one of the most common sites of extraintestinal manifestation in patients with inflammatory bowel disease (IBD). The progression of IBD can lead to a primary hepatobiliary manifestation and can occur secondary to multiple drugs or accompanying viral infections. Primary sclerosing cholangitis is the representative hepatobiliary manifestation of IBD, particularly in ulcerative colitis. Although most agents used in the treatment of IBD are potentially hepatotoxic, the risk of serious hepatitis or liver failure is low. The prevalence of HBV and HCV in IBD is similar to the general population, but the clinical concern is HBV reactivation associated with immunosuppressive therapy. Patients undergoing cytotoxic chemotherapy or immunosuppressive therapy with a moderate to high risk of HBV reactivation require prophylactic antiviral therapy. On the other hand, HCV has little risk of reactivation. Patients with IBD are more likely to have nonalcoholic fatty liver disease than the general population and tend to occur at younger ages. IBD and cholelithiasis are closely related, especially in Crohn's disease.
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Affiliation(s)
- Kwang Il Seo
- Department of Internal Medicine, Kosin University College of Medicine, Busan, Korea
| | - Sang-Bum Kang
- Division of Gastroenterology, Department of Internal Medicine, Daejeon St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Daejeon, Korea
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100
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Goode EC, Clark AB, Mells GF, Srivastava B, Spiess K, Gelson WT, Trivedi PJ, Lynch KD, Castren E, Vesterhus MN, Karlsen TH, Ji S, Anderson CA, Thorburn D, Hudson M, Heneghan MA, Aldersley MA, Bathgate A, Sandford RN, Alexander GJ, Chapman RW, Walmsley M, Hirschfield GM, Rushbrook SM. Factors Associated With Outcomes of Patients With Primary Sclerosing Cholangitis and Development and Validation of a Risk Scoring System. Hepatology 2019; 69:2120-2135. [PMID: 30566748 PMCID: PMC6519245 DOI: 10.1002/hep.30479] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/20/2018] [Accepted: 12/02/2018] [Indexed: 12/15/2022]
Abstract
We sought to identify factors that are predictive of liver transplantation or death in patients with primary sclerosing cholangitis (PSC), and to develop and validate a contemporaneous risk score for use in a real-world clinical setting. Analyzing data from 1,001 patients recruited to the UK-PSC research cohort, we evaluated clinical variables for their association with 2-year and 10-year outcome through Cox-proportional hazards and C-statistic analyses. We generated risk scores for short-term and long-term outcome prediction, validating their use in two independent cohorts totaling 451 patients. Thirty-six percent of the derivation cohort were transplanted or died over a cumulative follow-up of 7,904 years. Serum alkaline phosphatase of at least 2.4 × upper limit of normal at 1 year after diagnosis was predictive of 10-year outcome (hazard ratio [HR] = 3.05; C = 0.63; median transplant-free survival 63 versus 108 months; P < 0.0001), as was the presence of extrahepatic biliary disease (HR = 1.45; P = 0.01). We developed two risk scoring systems based on age, values of bilirubin, alkaline phosphatase, albumin, platelets, presence of extrahepatic biliary disease, and variceal hemorrhage, which predicted 2-year and 10-year outcomes with good discrimination (C statistic = 0.81 and 0.80, respectively). Both UK-PSC risk scores were well-validated in our external cohort and outperformed the Mayo Clinic and aspartate aminotransferase-to-platelet ratio index (APRI) scores (C statistic = 0.75 and 0.63, respectively). Although heterozygosity for the previously validated human leukocyte antigen (HLA)-DR*03:01 risk allele predicted increased risk of adverse outcome (HR = 1.33; P = 0.001), its addition did not improve the predictive accuracy of the UK-PSC risk scores. Conclusion: Our analyses, based on a detailed clinical evaluation of a large representative cohort of participants with PSC, furthers our understanding of clinical risk markers and reports the development and validation of a real-world scoring system to identify those patients most likely to die or require liver transplantation.
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Affiliation(s)
- Elizabeth C. Goode
- Norfolk and Norwich University HospitalNorwichUnited Kingdom,Academic Department of Medical GeneticsAddenbrooke's Hospital, University of CambridgeCambridgeUnited Kingdom,Wellcome Trust Sanger InstituteHinxton, CambridgeUnited Kingdom,Norwich Medical SchoolUniversity of East AngliaNorwichUnited Kingdom,Cambridge Transplant CentreAddenbrooke's HospitalCambridgeUnited Kingdom
| | - Allan B. Clark
- Norwich Medical SchoolUniversity of East AngliaNorwichUnited Kingdom
| | - George F. Mells
- Academic Department of Medical GeneticsAddenbrooke's Hospital, University of CambridgeCambridgeUnited Kingdom
| | - Brijesh Srivastava
- Academic Department of Medical GeneticsAddenbrooke's Hospital, University of CambridgeCambridgeUnited Kingdom
| | - Kelly Spiess
- Academic Department of Medical GeneticsAddenbrooke's Hospital, University of CambridgeCambridgeUnited Kingdom
| | | | - Palak J. Trivedi
- National Institute for Health Research (NIHR) Birmingham Biomedical Research CentreBirminghamUnited Kingdom,Institute of Immunology & ImmunotherapyUniversity of BirminghamBirminghamUnited Kingdom,Centre for Rare Diseases, Institute of Translational MedicineUniversity Hospitals BirminghamBirminghamUnited Kingdom
| | - Kate D. Lynch
- Translational Gastroenterology UnitJohn Radcliffe Hospital, and Nuffield Department of Medicine, University of OxfordOxfordUnited Kingdom
| | - Edit Castren
- Norfolk and Norwich University HospitalNorwichUnited Kingdom
| | - Mette N. Vesterhus
- Norwegian PSC Research Center, Department of Transplantation MedicineOslo University Hospital RikshospitaletOsloNorway,Institute of Clinical Medicine, Faculty of MedicineUniversity of OsloOsloNorway
| | - Tom H. Karlsen
- Norwegian PSC Research Center, Department of Transplantation MedicineOslo University Hospital RikshospitaletOsloNorway,Institute of Clinical Medicine, Faculty of MedicineUniversity of OsloOsloNorway
| | - Sun‐Gou Ji
- Wellcome Trust Sanger InstituteHinxton, CambridgeUnited Kingdom
| | | | - Douglas Thorburn
- Sheila Sherlock Liver Centre, Royal Free HospitalLondonUnited Kingdom
| | - Mark Hudson
- Liver Medicine and Transplantation ServiceFreeman HospitalNewcastleUnited Kingdom
| | | | | | - Andrew Bathgate
- Scottish Liver Transplant UnitRoyal Infirmary of EdinburghEdinburghUnited Kingdom
| | - Richard N. Sandford
- Academic Department of Medical GeneticsAddenbrooke's Hospital, University of CambridgeCambridgeUnited Kingdom
| | - Graeme J. Alexander
- Cambridge Transplant CentreAddenbrooke's HospitalCambridgeUnited Kingdom,Sheila Sherlock Liver Centre, Royal Free HospitalLondonUnited Kingdom
| | - Roger W. Chapman
- Translational Gastroenterology UnitJohn Radcliffe Hospital, and Nuffield Department of Medicine, University of OxfordOxfordUnited Kingdom
| | | | | | - Gideon M. Hirschfield
- National Institute for Health Research (NIHR) Birmingham Biomedical Research CentreBirminghamUnited Kingdom,Institute of Immunology & ImmunotherapyUniversity of BirminghamBirminghamUnited Kingdom,Centre for Rare Diseases, Institute of Translational MedicineUniversity Hospitals BirminghamBirminghamUnited Kingdom,Toronto Centre for Liver DiseaseUniversity Health Network and University of TorontoTorontoCanada
| | - Simon M. Rushbrook
- Norfolk and Norwich University HospitalNorwichUnited Kingdom,Norwich Medical SchoolUniversity of East AngliaNorwichUnited Kingdom
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