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https://www.readbyqxmd.com/read/28050648/diagnostic-value-of-antibodies-to-phosphatidylserine-prothrombin-complex-for-antiphospholipid-syndrome-in-chinese-patients
#1
Lei Zhu, Chun Li, Na Liu, Xin Yang, R L Jia, Rong Mu, Yin Su, Z G Li
To evaluate the diagnosis value of antibodies to phosphatidylserine/prothrombin complex (aPS/PT) in patients with antiphospholipid syndrome (APS) and to determine the clinical features of APS patients with avidity of aPS/PT. Serum samples were collected from 108 APS patients. Sixty patients with pregnancy morbidity, 37 patients with thrombosis without a history of autoimmune diseases, and 89 healthy blood donors were included as the control group. The enzyme-linked immunosorbent assay (ELISA) test was performed to detect the concentration of aPS/PT, including IgG/M, IgG, and IgM forms, in the same serum sample...
January 3, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28028299/gene-expression-in-obstetric-antiphospholipid-syndrome-a-systematic-review
#2
M Muhammad Aliff, S Muhammad Shazwan, M M Nur Fariha, A R Hayati, A R Nur Syahrina, M Maizatul Azma, A H Nazefah, S Jameela, A A Asral Wirda
BACKGROUND: Antiphospholipid syndrome (APS) is a multisystem disease that may present as venous or arterial thrombosis and/or pregnancy complications with the presence of antiphospholipid antibodies. Until today, heterogeneity of pathogenic mechanism fits well with various clinical manifestations. Moreover, previous studies have indicated that genes are differentially expressed between normal and in the disease state. Hence, this study systematically searched the literature on human gene expression that was differentially expressed in Obstetric APS...
December 2016: Malaysian Journal of Pathology
https://www.readbyqxmd.com/read/28028298/microrna-expression-in-antiphospholipid-syndrome-a-systematic-review-and-microrna-target-genes-analysis
#3
S Muhammad Shazwan, M Muhammad Aliff, A A Asral Wirda, A R Hayati, M Maizatul Azma, A R Nur Syahrina, A H Nazefah, S Jameela, M M Nur Fariha
INTRODUCTION: Antiphospholipid antibodies (aPL) are autoantibodies that attack phospholipid through anti-beta 2-glycoprotein 1. The actions of aPL are associated with events leading to thrombosis and morbidity in pregnancy. Antiphospholipid syndrome (APS) is diagnosed when a patient is persistently positive for aPL and also has recognised clinical manifestations such as recurrent pregnancy losses, arterial or venous thrombosis and in a catastrophic case, can result in death. Unfortunately, the pathogenesis of APS is still not well established...
December 2016: Malaysian Journal of Pathology
https://www.readbyqxmd.com/read/28024507/-correlation-of-thrombosis-and-prothrombotic-state-with-coagulation-factor-v-gene-polymorphism-and-apcr-hhcy
#4
Li-Xia Gao, Qiu-Lan Ding, Ke-Xiong Wu, Jun Hu, Xue-Feng Wang, Chuan-Ling Dong, Qin Dai, Bing Zhang, Jin Dai, Ping He, Xue-Ping Zhang, Yun-Xia Wang
OBJECTIVE: To investigate the correlation of patients with thrombosis or prothrombotic status with hyperhomocysteinemia (HHcy), activated protein C-resistance(APCR) and gene polymorphism of coagulation factor V. METHODS: Three hundred healthy voluteers were selected as controls, 223 cases of thrombosis (80 cases of cerebral infarction of CT, the MI of 82 cases of myocardial infarction, venous thrombosis of VTE 61 cases), 270 cases of patients with prothrombotic state (76 cases of pregnancy disease of PIH, 62 cases of chronic obstructive pulmonary disease (COPD), 60 cases of diabetes(DM) and 72 cases of cancer) were enrolled in this study...
December 2016: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/27988438/detection-of-lupus-anticoagulant-in-the-era-of-direct-oral-anticoagulants
#5
REVIEW
Ariela Hoxha, Alessandra Banzato, Amelia Ruffatti, Vittorio Pengo
Lupus anticoagulant (LAC) is an in vitro phenomenon determining a phospholipid-dependent elongation of clotting times. The presence of LAC associated with anticardiolipin (aCL) and anti-β2 glycoprotein I (anti-β2GPI) antibodies is strongly associated with thrombosis and pregnancy morbidity. Direct oral anticoagulants (DOACs) targeting thrombin and factor Xa are currently widely use to prevent and treat venous and arterial thromboembolism. Some concern has, however, been expressed about the possibility of false laboratory results during LAC assessment in patients taking these drugs...
December 15, 2016: Autoimmunity Reviews
https://www.readbyqxmd.com/read/27965311/accurate-diagnosis-of-iliac-vein-thrombosis-in-pregnancy-with-magnetic-resonance-direct-thrombus-imaging-mrdti
#6
Charlotte E A Dronkers, Alexandr Srámek, Menno V Huisman, Frederikus A Klok
A pregnant woman aged 29 years, G1P0 at 21 weeks of gestation of a dichorionic diamniotic twin, presented with suspected deep vein thrombosis (DVT) of the left leg. Repeated (compression) ultrasonography was not diagnostic for DVT but showed reduced flow over the left external iliac vein, common femoral vein and superficial femoral vein. In pursue of a definite diagnosis, magnetic resonance direct thrombus imaging was performed showing a clear high signal in the left common iliac vein which is diagnostic for acute thrombosis in this venous segment...
December 13, 2016: BMJ Case Reports
https://www.readbyqxmd.com/read/27913550/prevention-of-thrombosis-in-antiphospholipid-syndrome
#7
Wendy Lim
Antiphospholipid syndrome (APS) is an acquired autoimmune condition characterized by thrombotic events, pregnancy morbidity, and laboratory evidence of antiphospholipid antibodies (aPL). Management of these patients includes the prevention of a first thrombotic episode in at-risk patients (primary prevention) and preventing recurrent thrombotic complications in patients with a history of thrombosis (secondary prevention). Assessment of thrombotic risk in these patients, balanced against estimated bleeding risks associated with antithrombotic therapy could assist clinicians in determining whether antithrombotic therapy is warranted...
December 2, 2016: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/27913507/diagnosis-of-suspected-venous-thromboembolism
#8
Clive Kearon
The primary goal of diagnostic testing for venous thromboembolism (VTE) is to identify all patients who could benefit from anticoagulant therapy. Test results that identify patients as having a ≤2% risk of VTE in the next 3 months are judged to exclude deep vein thrombosis (DVT) or pulmonary embolism (PE). Clinical evaluation, with assessment of: (1) clinical pretest probability (CPTP) for VTE; (2) likelihood of important alternative diagnoses; and (3) the probable yield of D-dimer and various imaging tests, guide which tests should be performed...
December 2, 2016: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/27913487/venous-thromboembolism-and-stroke-in-pregnancy
#9
Kelley McLean, Mary Cushman
Pregnancy and the postpartum period substantially increase the risk for thrombotic events. Although the absolute risk for thrombosis is low, these events comprise a significant portion of maternal morbidity and mortality. The vast majority of such events are venous, although the risk for ischemic stroke also appears to be increased in pregnancy. This review will explore the overlapping and unique risk factors for venous and arterial thrombosis in pregnancy. Diagnosis and prevention will be discussed, and treatment will be briefly touched on...
December 2, 2016: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/27913455/inherited-thrombophilia-a-double-edged-sword
#10
Saskia Middeldorp
Inherited thrombophilia is a blood coagulation disorder that increases the risk for venous thromboembolism (VTE). During the last decades, the practice of testing has evolved from testing selected populations, leading to high perceived risks, to broad testing for various conditions that included VTE, arterial thrombosis, and pregnancy complications. Because results of such tests usually do not guide treatment decisions, not testing patients with VTE for inherited thrombophilia is on the "Choosing Wisely" list endorsed by multiple specialty societies, including ASH...
December 2, 2016: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/27899496/hormonal-contraception-and-risk-of-thromboembolism-in-women-with-diabetes
#11
Sarah H O'Brien, Terah Koch, Sara K Vesely, Eleanor Bimla Schwarz
OBJECTIVE: To investigate safety of hormonal contraception with regard to thromboembolic events in women with type 1 or 2 diabetes. RESEARCH DESIGN AND METHODS: We used data from 2002-2011 in Clinformatics Data Mart to identify women in the U.S., 14-44 years of age, with an ICD-9-CM code for diabetes and a prescription for a diabetic medication or device. We examined contraceptive claims and compared time to thromboembolism (venous thrombosis, stroke, or myocardial infarction) among women with diabetes dispensed hormonal contraception using a modification of Cox regression to control for age, smoking, obesity, hypertension, hyperlipidemia, diabetic complications, and history of cancer; we excluded data for 3 months after women gave birth...
November 29, 2016: Diabetes Care
https://www.readbyqxmd.com/read/27878206/new-findings-on-venous-thrombogenesis
#12
James R Byrnes, Alisa S Wolberg
Venous thrombosis (VT) is the third most common cause of cardiovascular death worldwide. Complications from VT and pulmonary embolism are the leading cause of lost disability-adjusted life years. Risks include genetic (e.g., non-O blood group, activated protein C resistance, hyperprothrombinemia) and acquired (e.g., age, surgery, cancer, pregnancy, immobilisation, female hormone use) factors. Pathophysiologic mechanisms that promote VT are incompletely understood, but involve abnormalities in blood coagulability, vessel function, and flow (so-called Virchow's Triad)...
November 23, 2016: Hämostaseologie
https://www.readbyqxmd.com/read/27831835/imaging-of-neurologic-conditions-in-pregnant-patients
#13
Sangam Kanekar, Shante Bennett
A number of physiologic, hormonal, immunologic, and hemodynamic changes take place in the maternal body during pregnancy. The majority of these changes are essential for maintaining the normal course of pregnancy. However, these changes may also cause acute or chronic conditions that affect various biologic systems in the mother. In addition, conditions of the central and peripheral nervous systems can cause a variety of neurologic symptoms and complications. Neurologic signs and symptoms in pregnant and postpartum women may be due to the exacerbation of a preexisting medical condition, the initial manifestation of a primary central nervous system-related problem, or a neurologic problem unique to pregnancy and the postpartum period...
November 2016: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/27816347/cerebral-venous-thrombosis
#14
José Manuel Ferro, Patrícia Canhão, Diana Aguiar de Sousa
Cerebral venous thrombosis (CVT) has an incidence of 1.32/100,000/years in high-income countries, and higher in middle- and low-income countries. CVT is more frequent in infants and children young adults and females, especially during pregnancy/puerperium. CVT are now being diagnosed with increasing frequency because of the increased awareness and higher use of magnetic resonance imaging (MR) for investigating patients with acute and subacute headaches and new onset seizures. CVT rarely present as a stroke syndrome...
December 2016: La Presse Médicale
https://www.readbyqxmd.com/read/27801353/endovascular-treatment-of-iliofemoral-deep-vein-thrombosis-in-pregnancy-using-us-guided-percutaneous-aspiration-thrombectomy
#15
Murat Gedikoglu, Levent Oguzkurt
PURPOSE: We aimed to describe ultrasonography (US)-guided percutaneous aspiration thrombectomy in pregnant women with iliofemoral deep vein thrombosis. METHODS: This study included nine pregnant women with acute and subacute iliofemoral deep vein thrombosis, who were severe symptomatic cases with massive swelling and pain of the leg. Patients were excluded from the study if they had only femoropopliteal deep vein thrombosis or mild symptoms of deep vein thrombosis...
January 2017: Diagnostic and Interventional Radiology: Official Journal of the Turkish Society of Radiology
https://www.readbyqxmd.com/read/27786332/pathophysiological-insights-into-the-antiphospholipid-syndrome
#16
Karl J Lackner, Davit Manukyan, Nadine Müller-Calleja
The antiphospholipid syndrome (APS) is characterized by venous and/or arterial thrombosis and severe pregnancy morbidity in presence of antiphospholipid antibodies (aPL). While there is compelling evidence that aPL cause the clinical manifestations of APS, the underlying mechanisms are still a matter of scientific debate. This is mainly related to the broad heterogeneity of aPL. There are three major types of aPL: The first one binds to (anionic) phospholipids, e.g. cardiolipin, in absence of other factors (cofactor independent aPL)...
October 27, 2016: Hämostaseologie
https://www.readbyqxmd.com/read/27776934/the-antiphospholipid-syndrome-in-patients-with-systemic-lupus-erythematosus
#17
REVIEW
Guillermo J Pons-Estel, Laura Andreoli, Francesco Scanzi, Ricard Cervera, Angela Tincani
The antiphospholipid syndrome (APS) is an autoimmune disease characterized by the occurrence of venous and/or arterial thrombosis and pregnancy morbidity in the presence of pathogenic autoantibodies known as antiphospholipid antibodies (aPL). APS may be associated with other diseases, mainly systemic lupus erythematosus (SLE). The presence or absence of SLE might modify the clinical or serological expression of APS. Apart from the classical manifestations, APS patients with associated SLE more frequently display a clinical profile with arthralgias, arthritis, autoimmune hemolytic anemia, livedo reticularis, epilepsy, glomerular thrombosis, and myocardial infarction...
January 2017: Journal of Autoimmunity
https://www.readbyqxmd.com/read/27775757/risk-of-pregnancy-associated-stroke-across-age-groups-in-new-york-state
#18
Eliza C Miller, Hajere J Gatollari, Gloria Too, Amelia K Boehme, Lisa Leffert, Mitchell S V Elkind, Joshua Z Willey
Importance: Older age is associated with increased risk of pregnancy-associated stroke (PAS). Data are limited on age-specific incidence ratios of PAS compared with stroke risk in nonpregnant women. Objectives: To assess the risk of stroke by age group in pregnant and postpartum women compared with their nonpregnant contemporaries and to compare risk factors across age groups in the exposed (pregnant/postpartum) and unexposed (nonpregnant) populations. Design, Setting, and Participants: International Classification of Diseases, Ninth Revision, billing codes from the calendar year 2003-2012 New York State Department of Health inpatient database and population data were used to identify all women aged 12 to 55 years with cerebrovascular events, including transient ischemic attack, ischemic and hemorrhagic stroke, cerebral venous thrombosis, and nonspecified PAS...
December 1, 2016: JAMA Neurology
https://www.readbyqxmd.com/read/27770664/clinical-implications-of-the-detection-of-antibodies-directed-against-domain-1-of-%C3%AE-2-glycoprotein-1-in-thrombotic-antiphospholipid-syndrome
#19
Silmara Montalvão, Priscila Soares Elídio, Sabrina da Silva Saraiva, Bruna de Moraes Mazetto, Marina Pereira Colella, Erich Vinícius de Paula, Simone Appenzeller, Joyce Annichino-Bizzacchi, Fernanda Andrade Orsi
INTRODUCTION: Antibodies directed against domain 1 of β2 glycoprotein 1 (aβ2GP1-Dm1) have been involved in the immunopathogenesis of antiphospholipid syndrome (APS). However, the clinical relevance of aβ2GP1-Dm1 in thrombotic APS has not yet been fully explored. OBJECTIVES: To determine the frequency of aβ2GP1-Dm1 in a cohort of patients with thrombotic APS, and to evaluate whether testing for aβ2GP1-Dm1 could have a clinical impact upon the risk assessment of the disease...
December 2016: Thrombosis Research
https://www.readbyqxmd.com/read/27766051/thrombophilia-in-east-asian-countries-are-there-any-genetic-differences-in-these-countries
#20
REVIEW
Toshiyuki Miyata, Keiko Maruyama, Fumiaki Banno, Reiko Neki
In recent years, genetic analyses of congenital deficiencies of three anticoagulant proteins, antithrombin, protein C (PC) and protein S (PS), in East Asian patients with venous thromboembolism (VTE) have greatly increased. The PS-K196E mutation is often identified in the Japanese population with an allelic frequency of 0.86 %, and a total of approximately 10,000 Japanese are estimated to be homozygotes. The heterozygotes show PS anticoagulant activities ranging from 40 to 110 %, and 16 % lower mean anticoagulant activity than that in wild-type individuals...
2016: Thrombosis Journal
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