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Abstracts tagged "antiphospholipid syndrome"

  • Abstract Number: 0077 • ACR Convergence 2021

    Association of Lupus Nephritis and Other Clinical Features with Antiphospholipid Antibody Positivity Among Patients with Systemic Lupus Erythematosus

    Prarthana Jain, Jim Oates, Dulaney Wilson and Diane Kamen, Medical University of South Carolina, Charleston, SC

    Background/Purpose: Antiphospholipid antibody (aPL) positivity is associated with elevated risk of thrombosis among patients with SLE, but other clinical associations are less well-known. The goal…
  • Abstract Number: 0078 • ACR Convergence 2021

    Frequency and Clinical Characteristics of Secondary Antiphospholipid Syndrome in Systemic Lupus Erythematosus: The Georgia Lupus Registry

    Jinan al-naqeeb1, Gaobin Bao2, Cristina Drenkard2 and S Sam Lim3, 1Emory University, Decatur, GA, 2Emory University, Atlanta, GA, 3Department of Medicine, Division of Rheumatology, Emory University School of Medicine, Atlanta, GA

    Background/Purpose: Although APS was originally described in those with SLE, the epidemiology and clinical characteristics of secondary APS (2APS) has not been well described in…
  • Abstract Number: 0079 • ACR Convergence 2021

    Association Between Preconception Complement Levels and Use of Hydroxychloroquine with Pregnancy Outcome in Patients with Primary Antiphospholipid Syndrome and Carriers of Antiphospholipid Antibodies: An International Multicenter Study

    Daniele Lini1, Cecilia Nalli2, Laura Andreoli3, Francesca Crisafulli1, Micaela Fredi1, Maria Grazia Lazzaroni1, Viktoria Bitsadze4, Antonia Calligaro5, Valentina Canti6, Roberto Caporali7, Francesco Carubbi8, Cecilia Chighizola9, Paola Conigliaro10, Fabrizio Conti11, Caterina De Carolis12, Teresa Del Ross5, Maria Favaro5, Maria Gerosa9, Annamaria Iuliano13, Jamilya Khizroeva4, Alexander Makatsariya4, Pier Luigi Meroni14, Marta Mosca15, Melissa Padovan16, Roberto Perricone10, Patrizia Rovere Querini6, Gian Domenico Sebastiani13, Chiara Tani17, Marta Tonello18, Simona Truglia11, Dina Zucchi15, Franco Franceschini1 and Angela Tincani19, 1Rheumatology and Clinical Immunology Unit, ASST Spedali Civili and University of Brescia, Brescia, Italy, 2ASST SPEDALI CIVILI DI BRESCIA, Brescia, Italy, 3University of Brescia, Brescia, Italy, 4Department of Obstetrics and Gynecology, I.M. Sechenov First Moscow State Medical University of the Ministry of Health of the Russian Federation (Sechenov University), Moscow, Russia, 5Rheumatology Unit, Department of Medicine, University of Padua, Padua, Italy, 6Division of Immunology, Transplantation and Infectious Diseases, IRCCS San Raffaele Scientific Institute, Milan, Italy, 7Policlinico S. Matteo University, Pavia, Italy, 8Department of Biotechnological and Applied Clinical Science, Rheumatology Unit, School of Medicine, University of L'Aquila, L'Aquila, Italy, 9University of Milan, Milan, Italy, 10Rheumatology, Allergology and Clinical Immunology, Department of "Medicina dei Sistemi", University of Rome Tor Vergata, Rome, Italy, 11Lupus Clinic, Reumatologia, Dipartimento di Scienze Cliniche Internistiche, Anestesiologiche e Cardiovascolari, Sapienza Università di Roma, Rome, Italy, 12Polymedical Center for Prevention of Recurrent Spontaneous Abortion, Rome, Italy, 13Rheumatology Unit, Azienda Ospedaliera San Camillo-Forlanini, Rome, Italy, 14Division of Rheumatology, ASST.G Pini, Department of Clinical Sciences and Community Health, University of Milan and Istituto Auxologico Italiano, Milan, Italy, 15Rheumatology Unit, Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy, 16Rheumatology Unit, Department of Medical Sciences, University of Ferrara and Azienda Ospedaliero-Universitaria S. Anna, Ferrara, Italy, 17Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy, 18BSC, Rheumatology Unit, Department of Medicine, University of Padua, Padua, Italy, 19ASST Spedali Civili-University of Brescia, Gussago, Italy

    Background/Purpose: APS is a rare autoimmune disease characterized by thrombotic events and/or pregnancy morbidities in the presence of confirmed positivity for aPL. Complement was demonstrated…
  • Abstract Number: 0080 • ACR Convergence 2021

    One Point Increase in the Initial Damage as Measured by the Damage Index for Antiphospholipid Syndrome Predicts Mortality in a Multi-Ethnic Group of Thrombotic Antiphospholipid Syndrome Patients

    Pedro Gaspar1, Filipa Farinha2, Zara Sayar3, Maria Efthymiou,4, Hannah Cohen3 and David Isenberg2, 1Department of Internal Medicine 2, University Hospital of Santa Maria, Lisbon, Portugal, 2Centre for Rheumatology, University College London, London, United Kingdom, 3Department of Haematology, University College London Hospitals NHS Foundation Trust, London, United Kingdom, 4Haemostasis Research Unit, Department of Haematology, University College London, London, United Kingdom

    Background/Purpose: The chronic and recurrent nature of antiphospholipid syndrome (APS) leads to damage accrual that impairs long-term functional status and survival. The Damage Index for…
  • Abstract Number: 0081 • ACR Convergence 2021

    Thrombin Generation Assay and Lupus Anticoagulant Identify Different Populations of Patients with Antiphospholipid Antibodies

    Massimo Radin1, Alice Barinotti1, Irene Cecchi2, Silvia Grazietta Foddai1, Elena Rubini1, Dario Roccatello1, Elisa Menegatti1 and Savino Sciascia1, 1University of Turin, Turin, Italy, 2University of Turin, Torino, Italy

    Background/Purpose: Risk stratification in patients with antiphospholipid antibodies (aPL) remains a clinical challenge. We aim to evaluate the role of Thrombin Generation Assay (TGA) in…
  • Abstract Number: 0524 • ACR Convergence 2020

    Determination of Homogenous Subgroups of Antiphospholipid Syndrome: A Cluster Analysis Based on 509 Cases

    Yann Nguyen1, Cécile Yelnik2, Nathalie Morel3, Romain Paule4, Pierre-Yves Hatron2, Romain Stammler5, Léo Plaçais3, Jean-Charles Piette6, Luc Mouthon7, Eric Hachulla8, Marc Lambert2, Le Guern Véronique3 and Nathalie Costedoat-Chalumeau9, 11Department of Internal Medicine, Hôpital Beaujon, APHP Nord, Université de Paris, Clichy, Clichy, France, 2Department of Internal Medicine and Clinical Immunology, National Referral Centre for rare Systemic Auto-immune Diseases North and North-West of France (CeRAINO), CHU Lille, Hôpital Claude Huriez, Lille, France, Lille, France, 3National Referral Centre for Rare Autoimmune and Systemic Diseases, Department of Internal Medicine, Hôpital Cochin, AP-HP Centre, Université de Paris, Paris, France, Paris, France, 4Department of Internal Medicine, Hôpital Foch, Suresnes, France, Suresnes, France, 5National Referral Centre for Rare Autoimmune and Systemic Diseases, Department of Internal Medicine, Hôpital Cochin, AP-HP Centre, Université de Paris, Paris, France, Paris, 6Department of Internal Medicine, Hôpital Pitié-Salpêtrière, Paris, France, Paris, France, 7National Referral Center for Rare Systemic Autoimmune Diseases, Cochin Hospital, Paris-Descartes University, Paris, France, 8Department of Internal Medicine and Clinical Immunology, Université de Lille, Lille, France, Lille, France, 9APHP, Université de Paris, Paris, France

    Background/Purpose: Antiphospholipid syndrome (APS) is a heterogeneous disease, with different phenotypes which may widely vary from classical thrombotic or obstetrical manifestations to catastrophic antiphospholipid syndrome…
  • Abstract Number: 1680 • ACR Convergence 2020

    Lupus Anticoagulant as a Predictor of Adverse Outcomes in Children with Venous Thromboembolism

    Elizabeth Sloan1 and Ayesha Zia1, 1UT Southwestern Medical Center, Dallas, TX

    Background/Purpose: The presence of antiphospholipid antibodies, including lupus anticoagulant (LA), is a risk factor for development of venous thromboembolism (VTE) in children. The impact of…
  • Abstract Number: 0525 • ACR Convergence 2020

    Epidemiology of Thromboembolic Complications Among Hospitalized Patients with Antiphospholipid Syndrome in the United States

    Lauren Mathias1, Aditya Mantha2, Kristen Mathias3 and Glenn Ehresmann1, 1University of Southern California, Division of Rheumatology, Los Angeles, CA, 2University of Southern California, Department of Medicine, Los Angeles, CA, 3University of Chicago, Department of Medicine, Chicago, IL

    Background/Purpose: Antiphospholipid syndrome (APLS) is characterized by arterial and venous thrombosis, often in the setting of an underlying systemic disease. Few studies have described the…
  • Abstract Number: 1775 • ACR Convergence 2020

    Risk Factors for Adverse Pregnancy Outcomes of Women with Positive for Antiphospholipid Antibodies Treated with Conventional Therapies

    Hiromi Shimada1, Risa Wakiya2, Mai Mahmound Fahmy Mansour1, Shusaku Nakashima1, Mikiya Kato1, Koichi Sugihara1, Yusuke Ushio1, Tomohiro Kameda1 and Hiroaki Dobashi3, 1Department of Internal Medicine, Division of Haematology, Rheumatology and Respiratory Medicine, Faculty of Medicine, Kagawa University., Kita-gun, Kagawa, Japan, 2Department of Internal Medicine, Division of Haematology, Rheumatology and Respiratory Medicine, Faculty of Medicine, Kagawa University., Kagawa, Kagawa, Japan, 3Department of Internal Medicine, Division of Haematology, Rheumatology and Respiratory Medicine, Faculty of Medicine, Kagawa University, Kagawa, Japan

    Background/Purpose: Antiphospholipid antibodies induce several obstetric complications including recurrent spontaneous abortion, preterm birth, intrauterine fetal death. EULAR recommendations for antiphospholipid syndrome (APS) indicates low dose…
  • Abstract Number: 0526 • ACR Convergence 2020

    Patient-Reported Outcomes in Antiphospholipid Syndrome

    Julia Weiner1, Kelsey Gockman1, Jacqueline Madison1, Yu Zuo2, Emily Briceño1, Vivek Nagaraja3 and Jason Knight2, 1University of Michigan, Ann Arbor, 2Division of Rheumatology, University of Michigan, Ann Arbor, MI, 3University of Michigan, Ann Arbor, MI

    Background/Purpose: PROMIS® (Patient-Reported Outcome Measurement Information System) is a set of person-centered measures that evaluates and monitors the physical, emotional, and social aspects of health.…
  • Abstract Number: 1792 • ACR Convergence 2020

    Platelet-bound C4d Is Associated with an Increased Risk of Arterial and Venous Thromboses in SLE

    Yevgeniya Gartshteyn1, Roberta Vezza Alexander2, John Conklin3, Thierry Dervieux4 and Anca Askanase5, 1Columbia University College of Physicians and Surgeons, Glen Rock, NJ, 2Exagen Inc, Vista, CA, 3Exagen Inc., Vista, CA, 4Prometheus Biosciences Inc, San Diego, CA, 5Columbia University College of Physicians and Surgeons, New York, NY

    Background/Purpose: Platelet-bound complement activation products (PC4d), defined as PC4d20 net mean fluorescent intensity [MFI], or a thrombotic risk score that includes PC4d, C3 and anti-phosphatidylserine/prothrombin…
  • Abstract Number: 0527 • ACR Convergence 2020

    Rituximab for Refractory Manifestations of the Antiphospholipid Syndrome: A Multicenter Israeli Experience

    Nancy Agmon-Levin1, Mark Berman2, Liora Harel3, Merav Lidar4, Soad Hajyahia1 and Daphna Paran5, 1Clinical Immunology, Angioedema and Allergy Unit, Center for Autoimmune Diseases, Sheba Medical Center, Tel Hashomer, Ramat Gan, Israel, 2Tel Aviv Sourasky Medical Center, Tel Aviv, Israel, 3Scheider Children's Medical Center of Israel, Tel Aviv University, Tel Aviv, Israel, Petach Tikva, Israel, 4Rheumatology unit, Center for Autoimmune Diseases, Sheba Medical Center, Tel Hashomer, Hod Hasharon, Israel, 5Department of Rheumatology, Tel Aviv Medical Center, Tel Aviv, Israel

    Background/Purpose: The clinical manifestations of the antiphospholipid syndrome (APS) are heterogeneous and related to anti-phospholipid antibodies (aPL). There is some evidence that B cells are…
  • Abstract Number: 0528 • ACR Convergence 2020

    The Complex Relationship Between C4b Binding Protein, Warfarin and Antiphospholipid Antibodies

    Giorgia Grosso1, Kerstin Sandholm2, Aleksandra Antovic1, Iva Gunnarsson1, Agneta Zickert1, Anna Vikerfors3, Lennart Truedsson4, Maria Bruzelius1, Bo Nilsson5, Kristina Nilsson Ekdahl5 and Elisabet Svenungsson1, 1Karolinska University Hospital, Stockholm, Sweden, 2Linnaeus Center for Biomaterials Chemistry, Linnaeus University, Kalmar, Sweden, 3Swedish Medical Products Agency, Uppsala, Sweden, 4Lunds University, Lund, Sweden, 5Uppsala University, Uppsala, Sweden

    Background/Purpose: C4b Binding Protein (C4BP) is the main inhibitor of the classical complement pathway. Both β2glycoprotein-I (β2GPI), the main antigen in the antiphospholipid syndrome (APS),…
  • Abstract Number: 0529 • ACR Convergence 2020

    A Prospective Study on the Incidence of a First Thrombo-embolic Event in Patients with Systemic Lupus Erythematosus and Anti-phosphatidylserine/prothrombin Antibodies

    Savino Sciascia1, Massimo Radin1, Irene Cecchi1, Daniela Rossi1 and Dario Roccatello2, 1University of Torino, Torino, Italy, 2S Giovanni Hospital, Univ of Turin, Turin, Italy

    Background/Purpose: Prospective data confirming the role of anti-phosphatidylserine/prothrombin antibodies (aPS/PT) in the absence of other aPL tested by β2–glycoprotein I-depend assays are missing.Methods: Since 2015 aPSPT…
  • Abstract Number: 0530 • ACR Convergence 2020

    Pediatric APS: Clinical Features, Therapeutic Interventions, and Damage in a Series of 22 Cases

    Jacqueline Madison1, Kelsey Gockman1 and Jason Knight2, 1University of Michigan, Ann Arbor, 2Division of Rheumatology, University of Michigan, Ann Arbor, MI

    Background/Purpose: Pediatric antiphospholipid syndrome (APS) is a thromboinflammatory disease classically defined by the presence of circulating antiphospholipid antibodies and either thrombotic events or pregnancy morbidity.…
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