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Madike R, Cugati S, Qin Q, Chen C. Pregnancy and the eye: What do we need to watch out for? A review. Clin Exp Ophthalmol 2024; 52:234-247. [PMID: 38214050 DOI: 10.1111/ceo.14346] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Revised: 11/29/2023] [Accepted: 12/01/2023] [Indexed: 01/13/2024]
Abstract
Pregnancy causes changes in all body systems, including the eye. The eye can undergo physiological and pathological changes in pregnancy. Some changes exacerbate pre-existing eye conditions while other conditions manifest for the first-time during pregnancy. Early recognition and management are essential to prevent sight threatening complications. In addition, some obstetric complications can be associated with ophthalmic signs. Prompt recognition of these eye findings may be life saving for both the mother and the foetus. The aim of this article is to present potential ocular complications in pregnancy and outline the appropriate management to preserve sight and maintain maternal and foetal safety. The safety of the use of common ophthalmological medications will also be discussed.
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Affiliation(s)
- Reema Madike
- School of Medicine, University of Adelaide, Adelaide, South Australia, Australia
| | - Sudha Cugati
- School of Medicine, University of Adelaide, Adelaide, South Australia, Australia
- Department of Ophthalmology, Modbury Hospital, South Australia Institute of Ophthalmology, Adelaide, South Australia, Australia
| | - Queena Qin
- Department of Ophthalmology, Modbury Hospital, South Australia Institute of Ophthalmology, Adelaide, South Australia, Australia
| | - Celia Chen
- Department of Ophthalmology, Flinders Medical Centre and Flinders University, Adelaide, South Australia, Australia
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Kanuri SH, Sirrkay PJ. Adjuvants in COVID-19 vaccines: innocent bystanders or culpable abettors for stirring up COVID-heart syndrome. Ther Adv Vaccines Immunother 2024; 12:25151355241228439. [PMID: 38322819 PMCID: PMC10846003 DOI: 10.1177/25151355241228439] [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: 08/18/2023] [Accepted: 01/05/2024] [Indexed: 02/08/2024] Open
Abstract
COVID-19 infection is a multi-system clinical disorder that was associated with increased morbidity and mortality. Even though antiviral therapies such as Remdesvir offered modest efficacy in reducing the mortality and morbidity, they were not efficacious in reducing the risk of future infections. So, FDA approved COVID-19 vaccines which are widely administered in the general population worldwide. These COVID-19 vaccines offered a safety net against future infections and re-infections. Most of these vaccines contain inactivated virus or spike protein mRNA that are primarily responsible for inducing innate and adaptive immunity. These vaccines were also formulated to contain supplementary adjuvants that are beneficial in boosting the immune response. During the pandemic, clinicians all over the world witnessed an uprise in the incidence and prevalence of cardiovascular diseases (COVID-Heart Syndrome) in patients with and without cardiovascular risk factors. Clinical researchers were not certain about the underlying reason for the upsurge of cardiovascular disorders with some blaming them on COVID-19 infections while others blaming them on COVID-19 vaccines. Based on the literature review, we hypothesize that adjuvants included in the COVID-19 vaccines are the real culprits for causation of cardiovascular disorders. Operation of various pathological signaling events under the influence of these adjuvants including autoimmunity, bystander effect, direct toxicity, anti-phospholipid syndrome (APS), anaphylaxis, hypersensitivity, genetic susceptibility, epitope spreading, and anti-idiotypic antibodies were partially responsible for stirring up the onset of cardiovascular disorders. With these mechanisms in place, a minor contribution from COVID-19 virus itself cannot be ruled out. With that being said, we strongly advocate for careful selection of vaccine adjuvants included in COVID-19 vaccines so that future adverse cardiac disorders can be averted.
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Affiliation(s)
- Sri Harsha Kanuri
- Research Fellow, Stark Neurosciences Institute, Indiana University School of Medicine, 320 W 15 ST, Indianapolis, IN 46202, USA
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Yun Z, Duan L, Liu X, Cai Q, Li C. An update on the biologics for the treatment of antiphospholipid syndrome. Front Immunol 2023; 14:1145145. [PMID: 37275894 PMCID: PMC10237350 DOI: 10.3389/fimmu.2023.1145145] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2023] [Accepted: 05/04/2023] [Indexed: 06/07/2023] Open
Abstract
Antiphospholipid syndrome (APS) is a systemic autoimmune disease characterized by thrombosis and pregnancy morbidity with the persistent presence of antiphospholipid antibodies (aPLs). Although anticoagulation is the primary treatment for APS, it fails in approximately 20-30% of obstetric APS cases and more than 30% of thrombotic APS cases. Therefore, there is a need for new, targeted treatments beyond anticoagulants. Biologics, such as rituximab and eculizumab, have been recommended for refractory catastrophic APS. This review focuses on the recent advancements in the pathogenesis of APS and explores the potential of targeted treatments, including eculizumab, rituximab, belimumab, daratumumab, obinutuzumab, and anti-TNF-α antibodies, for APS management.
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Affiliation(s)
- Zelin Yun
- Department of Rheumatology and Immunology, Peking University People’s Hospital, Beijing, China
- Beijing Key Laboratory for Rheumatism and Immune Diagnosis (BZ0135), Peking University People’s Hospital, Beijing, China
| | - Lizhi Duan
- Department of Rheumatology and Immunology, Gangkou Hospital of Hebei Port Group Company Limited, Qinhuangdao, Hebei, China
| | - Xiangjun Liu
- Department of Rheumatology and Immunology, Peking University People’s Hospital, Beijing, China
- Beijing Key Laboratory for Rheumatism and Immune Diagnosis (BZ0135), Peking University People’s Hospital, Beijing, China
| | - Qingmeng Cai
- Department of Rheumatology and Immunology, Peking University People’s Hospital, Beijing, China
- Beijing Key Laboratory for Rheumatism and Immune Diagnosis (BZ0135), Peking University People’s Hospital, Beijing, China
| | - Chun Li
- Department of Rheumatology and Immunology, Peking University People’s Hospital, Beijing, China
- Beijing Key Laboratory for Rheumatism and Immune Diagnosis (BZ0135), Peking University People’s Hospital, Beijing, China
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Wang E, Nedumannil R, Wolf M. Abdominal pain secondary to bilateral adrenal haemorrhage as the first presentation of antiphospholipid syndrome. Med J Aust 2023; 218:250-251. [PMID: 36882157 DOI: 10.5694/mja2.51874] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Revised: 12/19/2022] [Accepted: 01/25/2023] [Indexed: 03/09/2023]
Affiliation(s)
- Eugene Wang
- Monash University, Melbourne, VIC.,Walter and Eliza Hall Institute of Medical Research, Melbourne, VIC
| | - Rithin Nedumannil
- Peter MacCallum Cancer Centre, Melbourne, VIC.,Cabrini Hospital, Melbourne, VIC
| | - Max Wolf
- Peter MacCallum Cancer Centre, Melbourne, VIC.,Cabrini Hospital, Melbourne, VIC
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Wu L, Fang X, Lu F, Zhang Y, Wang Y, Kwak-Kim J. Anticardiolipin and/or anti-β2-glycoprotein-I antibodies are associated with adverse IVF outcomes. Front Immunol 2022; 13:986893. [PMID: 36405731 PMCID: PMC9667022 DOI: 10.3389/fimmu.2022.986893] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Accepted: 10/18/2022] [Indexed: 12/05/2022] Open
Abstract
OBJECTIVE The purpose of the study is to evaluate the effects of anticardiolipin (aCL) and/or anti-β2-glycoprotein-I (aβ2GPI) antibodies, namely antiphospholipid antibodies (aPL), on in vitro fertilization (IVF) outcomes. MATERIALS AND METHODS The study group comprised infertile women with aPL undergoing IVF-ET cycles. Controls were infertile women with tubal etiology without aPL. The impact of aPL on reproductive outcomes, such as oocyte quality, embryo quality, and implantation capacity, was compared between the study group and controls. Additionally, peripheral blood T cell subsets, such as T helper (Th)1, Th2, Th17, and T regulatory (Treg) cells and cytokines, were analyzed by the flow cytometry. Differences between the study group and controls were analyzed. RESULTS A total of 132 infertile women, including 44 women with aPL, and 88 controls were sequentially recruited for this study. Women with aPL had lower numbers of total and perfect/available embryos and lower rates of MII oocytes, blastocyst formation, perfect and available embryos, implantation, clinical pregnancy, and take-home baby. Additionally, imbalanced Th1/Th2 and Th17/Treg ratios, significantly higher levels of serum IL-2, TNF-α, IFN-γ, and IL-17A, and a significantly lower serum IL-4 were noticed in women with aPL compared to controls. CONCLUSION Women with aPL such as aCL and/or aβ2GPI antibodies were associated with adverse IVF outcomes. Early screening for aPL and appropriate consultation for couples undergoing IVF should be considered. In addition, underlying immunopathology and inflammatory immune mechanisms associated with aPL should be further explored.
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Affiliation(s)
- Li Wu
- Reproductive Medicine Center, Department of Obstetrics and Gynecology, The First Affiliated Hospital of University of Science and Technology of China (USTC), Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, China
| | - Xuhui Fang
- Reproductive Medicine Center, Department of Obstetrics and Gynecology, The First Affiliated Hospital of University of Science and Technology of China (USTC), Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, China
| | - Fangting Lu
- Reproductive Medicine Center, Department of Obstetrics and Gynecology, The First Affiliated Hospital of University of Science and Technology of China (USTC), Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, China
| | - Yu Zhang
- Reproductive Medicine Center, Department of Obstetrics and Gynecology, The First Affiliated Hospital of University of Science and Technology of China (USTC), Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, China
| | - Yanshi Wang
- Reproductive Medicine Center, Department of Obstetrics and Gynecology, The First Affiliated Hospital of University of Science and Technology of China (USTC), Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, China
| | - Joanne Kwak-Kim
- Reproductive Medicine and Immunology, Obstetrics and Gynecology, Clinical Sciences Department, Chicago Medical School, Rosalind Franklin University of Medicine and Science, Vernon Hills, IL, United States,Center for Cancer Cell Biology, Immunology and Infection Diseases, Chicago Medical School, Rosalind Franklin University of Medicine and Science, North Chicago, IL, United States,*Correspondence: Joanne Kwak-Kim,
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Molecular Pathogenesis of Endotheliopathy and Endotheliopathic Syndromes, Leading to Inflammation and Microthrombosis, and Various Hemostatic Clinical Phenotypes Based on "Two-Activation Theory of the Endothelium" and "Two-Path Unifying Theory" of Hemostasis. MEDICINA (KAUNAS, LITHUANIA) 2022; 58:medicina58091311. [PMID: 36143988 PMCID: PMC9504959 DOI: 10.3390/medicina58091311] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/09/2022] [Revised: 09/05/2022] [Accepted: 09/14/2022] [Indexed: 12/21/2022]
Abstract
Endotheliopathy, according to the “two-activation theory of the endothelium”, can be triggered by the activated complement system in critical illnesses, such as sepsis and polytrauma, leading to two distinctly different molecular dysfunctions: (1) the activation of the inflammatory pathway due to the release of inflammatory cytokines, such as interleukin 6 and tumor necrosis factor-α, and (2) the activation of the microthrombotic pathway due to the exocytosis of hemostatic factors, such as ultra-large von Willebrand factor (ULVWF) multimers and FVIII. The former promotes inflammation, including inflammatory organ syndrome (e.g., myocarditis and encephalitis) and multisystem inflammatory syndrome (e.g., cytokine storm), and the latter provokes endotheliopathy-associated vascular microthrombotic disease (VMTD), orchestrating thrombotic thrombocytopenic purpura (TTP)-like syndrome in arterial endotheliopathy, and immune thrombocytopenic purpura (ITP)-like syndrome in venous endotheliopathy, as well as multiorgan dysfunction syndrome (MODS). Because the endothelium is widely distributed in the entire vascular system, the phenotype manifestations of endotheliopathy are variable depending on the extent and location of the endothelial injury, the cause of the underlying pathology, as well as the genetic factor of the individual. To date, because the terms of many human diseases have been defined based on pathological changes in the organ and/or physiological dysfunction, endotheliopathy has not been denoted as a disease entity. In addition to inflammation, endotheliopathy is characterized by the increased activity of FVIII, overexpressed ULVWF/VWF antigen, and insufficient ADAMTS13 activity, which activates the ULVWF path of hemostasis, leading to consumptive thrombocytopenia and microthrombosis. Endothelial molecular pathogenesis produces the complex syndromes of inflammation, VMTD, and autoimmunity, provoking various endotheliopathic syndromes. The novel conceptual discovery of in vivo hemostasis has opened the door to the understanding of the pathogeneses of many endotheliopathy-associated human diseases. Reviewed are the hemostatic mechanisms, pathogenesis, and diagnostic criteria of endotheliopathy, and identified are some of the endotheliopathic syndromes that are encountered in clinical medicine.
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Wei Q, Zhou M, Liu J, Zhang S, Gao F, Lin H, Chen Z. Relationship between osteonecrosis and antiphospholipid antibodies in patients with systemic lupus erythematosus: a systematic review protocol. BMJ Open 2021; 11:e046163. [PMID: 34301653 PMCID: PMC8728347 DOI: 10.1136/bmjopen-2020-046163] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
INTRODUCTION Osteonecrosis (ON) is characterised by the destruction of the normal blood supply to the bone tissue. ON is the main cause of disability in patients with systemic lupus erythematosus (SLE). Studies have reported the existence of many risk factors for SLE complicated by ON, including the use of high-dose glucocorticoids and high disease activity. The correlation between antiphospholipid antibodies (aPLs) and ON in SLE has been controversial. We aim to conduct a systematic review of the literature related to SLE, aseptic ON and aPLs, to provide a reference for the clinical screening of high-risk patients and for early prevention. METHODS AND ANALYSIS The following six databases will be searched: MEDLINE/PubMed, Embase, Web of Science, Chinese Biomedical Literature Database, Wan-Fang Database and China National Knowledge Infrastructure. The database searches will not be restricted by date. Case-control studies, cohort studies or observational studies that compare aPLs between SLE patients with and without ON will be considered eligible. Articles published in English and Chinese will be included. Two researchers will independently perform the processes of study selection, data extraction and study quality assessment. The Newcastle-Ottawa Quality Assessment Scale will be used to assess the quality of the retrieved studies. A meta-analysis will be performed after screening the studies. Data will be analysed using ORs for dichotomous data. ETHICS AND DISSEMINATION Ethical approval is not required because this systematic review will use published data. The systematic review will be electronically disseminated through a peer-reviewed publication or conference presentations. PROSPERO REGISTRATION NUMBER CRD42020209637.
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Affiliation(s)
- Qijiao Wei
- Rheumatology, Fujian Medical University Provincial Clinical Medical College, Fuzhou, Fujian, China
- Rheumatology, Fujian Provincial Hospital, Fuzhou, Fujian, China
| | - Meng Zhou
- Rheumatology, Fujian Medical University Provincial Clinical Medical College, Fuzhou, Fujian, China
- Rheumatology, Fujian Provincial Hospital, Fuzhou, Fujian, China
| | - Jianwen Liu
- Rheumatology, Fujian Medical University Provincial Clinical Medical College, Fuzhou, Fujian, China
- Rheumatology, Fujian Provincial Hospital, Fuzhou, Fujian, China
| | - Shengli Zhang
- Rheumatology, Fujian Medical University Provincial Clinical Medical College, Fuzhou, Fujian, China
- Rheumatology, Fujian Provincial Hospital, Fuzhou, Fujian, China
| | - Fei Gao
- Rheumatology, Fujian Medical University Provincial Clinical Medical College, Fuzhou, Fujian, China
- Rheumatology, Fujian Provincial Hospital, Fuzhou, Fujian, China
| | - He Lin
- Rheumatology, Fujian Medical University Provincial Clinical Medical College, Fuzhou, Fujian, China
- Rheumatology, Fujian Provincial Hospital, Fuzhou, Fujian, China
| | - Zhihan Chen
- Rheumatology, Fujian Medical University Provincial Clinical Medical College, Fuzhou, Fujian, China
- Rheumatology, Fujian Provincial Hospital, Fuzhou, Fujian, China
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Qijiao W, Meng Z, Jianwen L, Shengli Z, Fei G, He L, Zhihan C. Antiphospholipid antibodies and osteonecrosis in systemic lupus erythematosus: a meta-analysis. Expert Rev Clin Immunol 2021; 17:923-932. [PMID: 33956556 DOI: 10.1080/1744666x.2021.1925109] [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: 10/21/2022]
Abstract
Objectives: The present meta-analysis aimed to assess the relationship between antiphospholipid antibodies (aPLs) or antiphospholipid antibody syndrome (APS) and the incidence of osteonecrosis (ON) in systemic lupus erythematosus (SLE) patients.Methods: MEDLINE/Pubmed, EMBASE, Web of science, the Chinese Biomedical Literature Database (CBM), the Wan-Fang Database, and the China National Knowledge Infrastructure (CNKI) were searched from their inception up until 26 December 2020. Studies in English were included. Case-control studies and cohort studies were included. Studies pertaining to the link between aPLs or APS and ON patients were slated for inclusion in the current analysis.Results: Twenty-two studies involving a total of 3054 SLE patients were included. The positivities of anticardiolipin antibody (ACL), IgG ACL, IgM ACL, LA and APS in SLE is not associated with ON. One study showed that IgG or IgM β2GP1 had no association with ON. No publication bias was detected. The quality of this evidence was low because of the high risk of bias across studies, and therefore robust inferences cannot be made.Conclusion: SLE patients demonstrated a weak association between aPLs and ON. The nature of the association between aPLs and ON in SLE needs to be investigated in-depth in future research.
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Affiliation(s)
- Wei Qijiao
- Department of Rheumatology,Fujian Provincial Hospital, Fuzhou, China
| | - Zhou Meng
- Department of Rheumatology,Fujian Provincial Hospital, Fuzhou, China
| | - Liu Jianwen
- Department of Rheumatology,Fujian Provincial Hospital, Fuzhou, China
| | - Zhang Shengli
- Department of Rheumatology,Fujian Provincial Hospital, Fuzhou, China
| | - Gao Fei
- Department of Rheumatology,Fujian Provincial Hospital, Fuzhou, China
| | - Lin He
- Department of Rheumatology,Fujian Provincial Hospital, Fuzhou, China
| | - Chen Zhihan
- Department of Rheumatology,Fujian Provincial Hospital, Fuzhou, China
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Mormile I, Granata F, Punziano A, de Paulis A, Rossi FW. Immunosuppressive Treatment in Antiphospholipid Syndrome: Is It Worth It? Biomedicines 2021; 9:biomedicines9020132. [PMID: 33535377 PMCID: PMC7911562 DOI: 10.3390/biomedicines9020132] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2020] [Revised: 01/18/2021] [Accepted: 01/26/2021] [Indexed: 11/16/2022] Open
Abstract
The antiphospholipid syndrome (APS) is characterized by the development of venous and/or arterial thrombosis and pregnancy morbidity in patients with persistent antiphospholipid antibodies (aPL). Catastrophic antiphospholipid syndrome (CAPS) is a life-threatening form of APS occurring in about 1% of cases. Lifelong anticoagulation with vitamin K antagonists remains the cornerstone of the therapy for thrombotic APS, but frequently the use of anticoagulation may be problematic due to the increased risk of bleeding, drug interactions, or comorbidities. Immunosuppressant drugs are widely used to treat several autoimmune conditions, in which their safety and effectiveness have been largely demonstrated. Similar evidence in the treatment of primary APS is limited to case reports or case series, and studies on a large scale lack. Immunomodulatory drugs may be an emerging tool in managing such particular situations, like refractory obstetrical complications, CAPS, or so-called APS non-criteria manifestations. In addition, immunomodulatory drugs may be useful in patients experiencing recurrent thromboembolic events despite optimized anticoagulant therapy. We did a comprehensive review of literature analyzing the possible role of immunomodulation in primary APS to provide a broad overview of potentially safe and effective target treatments for managing this devastating disease.
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Affiliation(s)
- Ilaria Mormile
- Department of Translational Medical Sciences, University of Naples Federico II, Via S. Pansini 5, 80131 Naples, Italy; (I.M.); (F.G.); (A.P.); (A.d.P.)
| | - Francescopaolo Granata
- Department of Translational Medical Sciences, University of Naples Federico II, Via S. Pansini 5, 80131 Naples, Italy; (I.M.); (F.G.); (A.P.); (A.d.P.)
| | - Alessandra Punziano
- Department of Translational Medical Sciences, University of Naples Federico II, Via S. Pansini 5, 80131 Naples, Italy; (I.M.); (F.G.); (A.P.); (A.d.P.)
| | - Amato de Paulis
- Department of Translational Medical Sciences, University of Naples Federico II, Via S. Pansini 5, 80131 Naples, Italy; (I.M.); (F.G.); (A.P.); (A.d.P.)
- Center for Basic and Clinical Immunology Research (CISI), WAO Center of Excellence, University of Naples Federico II, 80131 Naples, Italy
| | - Francesca Wanda Rossi
- Department of Translational Medical Sciences, University of Naples Federico II, Via S. Pansini 5, 80131 Naples, Italy; (I.M.); (F.G.); (A.P.); (A.d.P.)
- Center for Basic and Clinical Immunology Research (CISI), WAO Center of Excellence, University of Naples Federico II, 80131 Naples, Italy
- Correspondence: ; Tel.: +39-81-7464513
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Ryalino C, Parami P, Muliadi W, Aryasa T. Spinal Anesthesia for Cesarean Section in a Coagulated Patient with Antiphospholipid Syndrome. BALI JOURNAL OF ANESTHESIOLOGY 2021. [DOI: 10.4103/bjoa.bjoa_231_20] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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Management of Antiphospholipid Syndrome. Biomedicines 2020; 8:biomedicines8110508. [PMID: 33212808 PMCID: PMC7696303 DOI: 10.3390/biomedicines8110508] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Revised: 11/09/2020] [Accepted: 11/14/2020] [Indexed: 02/07/2023] Open
Abstract
Antiphospholipid syndrome (APS), is an acquired autoimmune disorder characterised by thrombosis, pregnancy morbidity, and the presence of antiphospholipid antibodies (aPL). Although venous thromboembolism is the most common manifestation, thrombotic events in APS may also occur in virtually any vascular bed, with cerebral circulation being the arterial territory most commonly affected. As APS is a heterogeneous condition, its management should be tailored with a patient-centred approach based on individual risk assessment, which includes the aPL profile, concomitant auto-immune diseases, and traditional cardiovascular risk factors. Although literature data are conflicting regarding primary prophylaxis, there is some evidence indicating that antiplatelet agents may reduce the risk of a first thrombotic event in individuals with a high-risk profile. In patients with thrombotic APS, current evidence-based guidelines recommend lifelong vitamin K antagonists (VKAs), preferably warfarin. The optimal intensity of anticoagulation following arterial thrombosis remains controversial. Arterial thrombosis should be treated either with high-intensity warfarin at a target INR > 3.0, or low-dose aspirin (LDA) combined with moderate-intensity warfarin (INR 2.0-3.0). It is recommended to avoid direct oral anticoagulants (DOACs) in patients with high-risk APS, mainly those with triple-positive PL and previous arterial events. They would only be used exceptionally in selected patients with low-risk venous thromboembolism (VTE). In low-risk VTE patients currently treated with a DOAC due to warfarin intolerance or a previous unstable International Normalized Ratio on warfarin, the decision of continuing DOACs would be taken in carefully selected patients. In women with obstetric APS, the combination therapy with LDA plus heparin remains the conventional strategy.
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Jewells VL, Latchaw RE. CNS Vasculitis-An Overview of This Multiple Sclerosis Mimic: Clinical and MRI Implications. Semin Ultrasound CT MR 2020; 41:296-308. [PMID: 32448486 DOI: 10.1053/j.sult.2020.02.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
This article discusses central nervous system vasculitis, a clinical and MRI mimic of multiple sclerosis (MS). There is a paucity of discussion of vasculitis in the radiology literature, and many MS neurologists believe that vasculitis is underdiagnosed. Therefore, the authors hope that the readers will find this paper increases their knowledge about CNS vasculitis and improves their ability to differentiate MS from vasculitis.
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