ACR Meeting Abstracts

ACR Meeting Abstracts

  • Home
  • Meetings Archive
    • ACR Convergence 2020
    • 2020 ACR/ARP PRSYM
    • 2019 ACR/ARP Annual Meeting
    • 2018 ACR/ARHP Annual Meeting
    • 2017 ACR/ARHP Annual Meeting
    • 2017 ACR/ARHP PRSYM
    • 2016-2009 Meetings
    • Download Abstracts
  • Keyword Index
  • Advanced Search
  • Your Favorites
    • Favorites
    • Login
    • Register
    • View and print all favorites
    • Clear all your favorites
  • Meeting Resource Center

Abstracts tagged "antiphospholipid syndrome"

  • 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.…
  • Abstract Number: 0847 • ACR Convergence 2020

    Impact of Hydroxychloroquine Treatment on Immunologic Markers in SLE Depends on Ethnicity

    Laurence Magder1, Daniel Goldman2 and Michelle Petri2, 1University of Maryland, Baltimore, Baltimore, MD, 2Johns Hopkins University School of Medicine, Timonium, MD

    Background/Purpose: SLE patients with certain immunological markers (i.e., anti-DNA, low complement) are at higher risk of lupus nephritis and those with antiphospholipid antibodies are at…
  • Abstract Number: 0938 • ACR Convergence 2020

    Low Preconceptional Complement Level Is Related with an Adverse Obstetric Outcome in a Multicentric Cohort of Pregnancy in Patients with APS and aPL Positivity

    Cecilia Nalli1, Daniele Lini2, Laura Andreoli2, Francesca Crisafulli2, Micaela Fredi2, Maria Grazia Lazzaroni2, Victoria Bitsadze3, Antonia Calligaro4, Valentina Canti5, Roberto Caporali6, Francesco Carubbi7, Cecilia Chighizola8, Paola Conigliaro9, Caterina De Carolis10, Teresa Del Ross4, Maria Favaro4, Maria Gerosa11, Annamaria Iuliano12, Jamilya Khizroeva3, Alexander Makatsariya3, Pierlugi Meroni13, Marta Mosca14, Melissa Padovan15, Roberto Perricone9, Patrizia Rovere-Querini16, Gian Domenico Sebastiani12, Chiara Tani14, Marta Tonello4, Dina Zucchi14, Franco Franceschini17 and Angela Tincani2, 1Rheumatology and Clinical Immunology Unit, ASST Spedali Civili of Brescia, Brescia, Lombardia, Italy, 2Rheumatology and Clinical Immunology Unit, Spedali Civili and University of Brescia, Brescia, Lombardia, Italy, 3Department of Obstetrics and Gynecology of I.M. Sechenov First Moscow State Medical University of the Ministry of Health of the Russian Federation (Sechenov University), Moscow, Russia, 4Rheumatology Unit, Department of Medicine, University Hospital of Padua, Padua, Italy, 5Immunology, Rheumatology, Allergology and Rare Disease-IRCCS San Raffaele Hospital, Laboratory of Autoimmunity and vascular inflammation San Raffaele, Milan, Italy, 6Department of Clinical Sciences and Community Health, University of Milan, Milan, Italy, 7Department of Biotechnological and Applied Clinical Science, Rheumatology Unit, School of Medicine, University of L'Aquila, L'Aquila, Italy, 8Department of Clinical Sciences and Community Health, University of Milan, Milan, Italy; Experimental Laboratory of Immunorheumatological Researches, Istituto Auxologico Italiano, Milan, Italy, 9Rheumatology, Allergology and Clinical Immunology, Department of "Medicina dei Sistemi", University of Rome Tor Vergata, Rome, Italy, 10Polymedical Center for Prevention of Recurrent Spontaneous Abortion, Rome, Italy, 11Division of Rheumatology, Department of Clinical Sciences and Community Health, Ospedale Gaetano Pini, University of Milan, Milan, Italy, 12Rheumatology Unit, Azienda Ospedaliera San Camillo-Forlanini, Rome, Italy, 13Division of Rheumatology, ASST.G Pini, Department of Clinical Sciences and Community Health, University of Milan and Istituto Auxologico Italiano, Milan, Italy, 14Rheumatology Unit, Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy, 15UO e Sezione di Reumatologia, Dipartimento di Scienze Mediche, Universita' degli Studi di Ferrara, Ferrara, Italy, 16Unit of Immunology, Rheumatology, Allergy and Rare Diseases, Università Vita-Salute San Raffaele - IRCCS Ospedale San Raffaele, Milan, Italy, 17Rheumatology and Clinical Immunology, Spedali Civili and University of Brescia, Brescia, Italy

    Background/Purpose: The role of complement in the aPL related pathology has been widely studied in animal models. aPL can induce fetal loss in experimental animals but…
  • Abstract Number: 1261 • ACR Convergence 2020

    Antiphospholipid Patterns Predict the Risk of Thrombosis in Systemic Lupus Erythematosus

    Selcan Demir1, Jessica Li2, Laurence Magder3 and Michelle Petri4, 1Hacettepe University Faculty of Medicine, Ankara, Ankara, Turkey, 2Johns Hopkins University, Baltimore, MD, 3University of Maryland, Baltimore, Baltimore, MD, 4Johns Hopkins University School of Medicine, Timonium, MD

    Background/Purpose: Antiphospholipid syndrome (APS) has been classified as the development of venous and/or arterial thromboses, and/or pregnancy morbidity, in the presence of persistently raised levels…
  • Abstract Number: 0429 • ACR Convergence 2020

    Prothrombotic Antiphospholipid Antibodies in COVID-19

    Yu Zuo1, Shanea Estes2, Alex Ghandi3, Srilakshmi Yalavarthi3, Ramadan Ali3, Shi Hui3, Gautam Sule3, Kelsey Gockman3, Jacqueline Madison3, Melanie Zuo3, Wrenn Woodard3, Sean Lezak3, Njira Lugogo3, Yogendra Kanthi4 and Jason Knight1, 1Division of Rheumatology, University of Michigan, Ann Arbor, MI, 2University of Michigan, Ann Arbor, MI, 3University of Michigan, Ann Arbor, 4Division of Cardiovascular Medicine, Ann Arbor

    Background/Purpose: Patients with coronavirus disease 19 (COVID-19) are at high risk for thrombosis of arteries and veins. At the same time, COVID-19 lung histopathology has…
  • Abstract Number: 1262 • ACR Convergence 2020

    Single LAC Positivity versus Double and Triple Positivity for Thrombosis in SLE

    Selcan Demir1, Jessica Li2, Laurence Magder3 and Michelle Petri4, 1Hacettepe University Faculty of Medicine, Ankara, Ankara, Turkey, 2Johns Hopkins University, Baltimore, MD, 3University of Maryland, Baltimore, Baltimore, MD, 4Johns Hopkins University School of Medicine, Timonium, MD

    Background/Purpose:Antiphospholipid syndrome (APS) is classified as the development of venous and/or arterial thromboses, and pregnancy morbidity, in the presence of antiphospholipid antibodies (aPL); lupus anticoagulant,…
  • Abstract Number: 0519 • ACR Convergence 2020

    Thrombotic and Obstetric Associations of Non-Criteria Antiphospholipid Immunoassays That Detect Antibodies to Neutral and Negatively-Charged Phospholipid

    Rohan Willis1, E Nigel Harris2, Vijaya Murthy3, Zurina Romay-Penabad1, Alvaro Schleh4, Monica Smikle2, Karel De Ceulaer2, Anne Tebo5, Troy Jaskowski6, Marta Guerra7, David Ware Branch8, Jane Salmon7, Michelle Petri9 and Emilio Gonzalez1, 1University of Texas Medical Branch, Galveston, TX, 2University of the West Indies, Kingston, Jamaica, 3University of Texas Medical Branch, League City, TX, 4Antiphospholipid Standardization Laboratory, GALVESTON, TX, 5Department of Pathology, University of Utah, Salt Lake City, 6ARUP Laboratories, Salt Lake City, UT, 7Hospital for Special Surgery, New York, NY, 8University of Utah, Salt Lake City, 9Johns Hopkins University School of Medicine, Baltimore

    Background/Purpose: Criteria antiphospholipid (aPL) antibodies that identify antiphospholipid syndrome (APS) patients, anticardiolipin (aCL) and anti-β2glycoprotein-I (anti-β2GPI), have demonstrated inconsistent specificity and sensitivity in this regard…
  • Abstract Number: 1447 • ACR Convergence 2020

    Vitamin D Deficiency Enhances Antiphospholipid Antibody-Mediated Thrombosis in a Passive Immunization Mouse Model

    Rohan Willis1, Karen Roye-Green2, Zurina Romay-Penabad1, Elizabeth Papalardo1, Alvaro Schleh3, Vijaya Murthy4, Monica Smikle2 and Emilio Gonzalez1, 1University of Texas Medical Branch, Galveston, TX, 2University of the West Indies, Kingston, Jamaica, 3Antiphospholipid Standardization Laboratory, GALVESTON, TX, 4University of Texas Medical Branch, League City, TX

    Background/Purpose: Abnormal vitamin D levels occur frequently in antiphospholipid (APS) patients and are correlated with thrombosis. It remains unclear however if vitamin D deficiency observed…
  • Abstract Number: 0520 • ACR Convergence 2020

    Antiphospholipid Antibodies and Thrombotic Events in COVID-19 Patients Hospitalized in Medicine Ward

    Alexandre Le Joncour1, Corinne Frere1, Isabelle Martin-Toutain1, Paul Gougis1, Pascale Ghillani-Dalbin1, Georgina Maalouf1, Matheus Vieira1, Anne-Genevieve Marcelin1, Joe-Elie Salem1, Yves Allenbach2, David Saadoun3, Olivier Benveniste4 and Patrice Cacoub1, 1APHP, paris, France, 2Sorbonne Université, Paris, Ile-de-France, France, 3AP-HP, Groupe Hospitalier Pitié-Salpêtrière, Department of Internal Medicine and Clinical Immunology, F-75013, Paris, France, Centre national de références Maladies Autoimmunes et systémiques rares et Maladies Autoinflammatoires rares, PAris, France, 4Sorbonne Université, paris, France

    Background/Purpose: A high prevalence of thrombotic events has been reported in critically ill COVID-19 patients but data on the prevalence of thrombosis in ward patients…
  • Abstract Number: 1448 • ACR Convergence 2020

    Single-cell RNA Sequencing of Livedo Reticularis Skin Reveals Endothelial Pathology in Antiphospholipid Syndrome

    Hui Shi1, Allison Billi1, Rachael Wasikowski1, Kelsey Gockman1, Alex Tsoi1, Johann Gudjonsson2 and Jason Knight3, 1University of Michigan, Ann Arbor, 2University of Michigan, Ann ArborUniversity of Michigan, 3Division of Rheumatology, University of Michigan, Ann Arbor, MI

    Background/Purpose: Antiphospholipid syndrome (APS) is a thromboinflammatory disease that can present with a variety of clinical phenotypes. Livedo reticularis is the most common skin manifestation…
  • Abstract Number: 0521 • ACR Convergence 2020

    Avoiding Misclassification of Primary Antiphospholipid Syndrome as Systemic Lupus Erythematosus: What Are the Best-performing SLE Classification Criteria?

    Flavio Signorelli1, Gustavo Balbi2, Eloisa Bonfa3, Eduardo Borba4 and Danieli Andrade5, 1Universidade de São Paulo, Rio de janeiro, Rio de Janeiro, Brazil, 2Universidade de São Paulo, Juiz de Fora, Minas Gerais, Brazil, 3Hospital das Clínicas, Faculdade de Medicina da Universidade de Sao Paulo (HCFMUSP), Sao Paulo, Sao Paulo, Brazil, 4Rheumatology Division, Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil, 5University of Sao Paulo, Sao Paulo, Brazil

    Background/Purpose: Primary Antiphospholipid Syndrome (PAPS) patients, when submitted to Systemic Lupus Erythematosus (SLE) classification criteria, can be misclassified. The new 2019 ACR/EULAR classification criteria have…
  • Abstract Number: 1450 • ACR Convergence 2020

    Integrative Analysis of DNA Methylation and Gene Expression in Monocytes from Primary Antiphospholipid Syndrome Patients Identifies a Gene Expression Signature Associated with Their Atherothrombotic Phenotype

    Carlos Pérez-Sánchez1, M Angeles Aguirre2, Alejandra Maria Patiño-Trives1, Laura Pérez-Sanchez3, Maria Luque-Tevar1, Iván Arias de la Rosa1, María-Carmen Abalos-Aguilera1, Pedro Segui4, Javier Rodriguez-Ubreva5, Esteban Ballestar5, Nuria Barbarroja1, Eduardo Collantes-Estévez2 and Chary Lopez-Pedrera1, 1Rheumatology Department, Reina Sofia University Hospital/ Maimonides Institute for Research in Biomedicine of Cordoba (IMIBIC)/ University of Cordoba, Cordoba, Spain, Cordoba, Spain, 2Rheumatology Department, Reina Sofia University Hospital/ Maimonides Institute for Research in Biomedicine of Cordoba (IMIBIC)/ University of Cordoba, Cordoba, Spain, Córdoba, Spain, 3Hospital Universitario Reina Sofía, Córdoba, Spain, 4IMIBIC/University of Cordoba/Reina Sofia Hospital, Cordoba, 5Josep Carreras Institute (IJC), Badalona, Spain

    Background/Purpose: 1. To develop integrated analyses of the genome-wide DNA methylation and gene expression profiles in monocytes from APS patients and assess their involvement in…
  • Abstract Number: 0522 • ACR Convergence 2020

    Development of New International Classification Criteria for Antiphospholipid Syndrome: Phase III Case Collection Results

    Medha Barbhaiya1, Stephane Zuily2, Yasaman Ahmadzadeh3, Karen Costenbader4, Raymond Naden5 and Doruk Erkan6, 1Hospital for Special Surgery, Barbara Volcker Center for Women and Rheumatic Diseases, New York, NY, 2Nancy Academic Hospital, Vandoeuvre-l�Nancy, France, 3Hospital for Special Surgery, New York, 4Brigham and Women's Hospital and Harvard Medical School, Boston, MA, 5Department of Medicine, Middlemore Hospital, Auckland, Auckland, New Zealand, 6Hospital for Special Surgery, New York, NY

    Background/Purpose: An international multi-disciplinary effort is underway to develop rigorous, new, consensus- and evidence-based classification criteria for Antiphospholipid Syndrome (APS). The methodological approach includes four…
  • 1
  • 2
  • 3
  • …
  • 10
  • Next Page »
Advanced Search

Your Favorites

You can save and print a list of your favorite abstracts by clicking the “Favorite” button at the bottom of any abstract. View your favorites »

ACR Convergence: Where Rheumatology Meets. All Virtual. November 5-9.

ACR Pediatric Rheumatology Symposium 2020

© COPYRIGHT 2021 AMERICAN COLLEGE OF RHEUMATOLOGY

Wiley

  • Home
  • Meetings Archive
  • Advanced Search
  • Meeting Resource Center
  • Online Journal
  • Privacy Policy
  • Permissions Policies
This site uses cookies: Find out more.