Laboratory Evaluation of Antiphospholipid Syndrome

Antiphospholipid syndrome (APS) is as an autoimmune disease characterized by thrombosis and/or specific pregnancy-related morbidity associated with persistent antiphospholipid antibodies, namely, lupus anticoagulant and IgG and IgM antibodies to cardiolipin and beta2 glycoprotein I. Optimal antibody detection plays a central role in diagnosis and classification. This review discusses antiphospholipid antibodies helpful for diagnosing APS. It includes the criteria and noncriteria antiphospholipid antibodies, methods for their detection, and challenges for clinical reporting and interpretation. The significance of using specific noncriteria antiphospholipid tests in an integrated diagnostic approach with criteria antiphospholipid makers for the diagnosis and management of APS is also reviewed.
Source: Clinics in Laboratory Medicine - Category: Laboratory Medicine Authors: Source Type: research

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CONCLUSION: The incidence of APS differs according to age groups and gender. The incidence of primary APS was higher than that of secondary APS in both gender. Furthermore, as already reported, secondary APS is highly associated with SLE; however, we observed that rheumatoid arthritis is also highly related. PMID: 32030922 [PubMed - in process]
Source: Journal of Korean Medical Science - Category: Biomedical Science Tags: J Korean Med Sci Source Type: research
Abstract Antiphospholipid syndrome (APS) is a systemic autoimmune disease characterized by arterial and venous thrombotic manifestations and/or pregnancy-related complications in patients with persistently high antiphospholipid antibodies (aPL), the most common being represented by anticardiolipin antibodies (aCL), anti-beta 2 glycoprotein-I (aβ2GPI) and lupus anticoagulant (LAC). A growing number of studies showed that in some cases patients may present with clinical features of APS but with temporary positive or persistently negative titers of aPL. For these patients, the definition of seronegative APS (SN-...
Source: Haematologica - Category: Hematology Authors: Tags: Haematologica Source Type: research
Publication date: Available online 19 December 2019Source: Best Practice &Research Clinical RheumatologyAuthor(s): Lisa R. SammaritanoAbstractAntiphospholipid syndrome is an autoimmune systemic disorder characterized by arterial, venous, or small vessel thrombosis and/or recurrent early pregnancy loss, fetal loss, or pregnancy morbidity in the setting of documented persistent antiphospholipid antibodies that include the lupus anticoagulant, or moderate-high titer anticardiolipin, or anti-β2Glycoprotein I antibodies. Associated clinical manifestations include livedo reticularis, cutaneous ulcerations, thrombocytope...
Source: Best Practice and Research Clinical Rheumatology - Category: Rheumatology Source Type: research
Semin Thromb Hemost DOI: 10.1055/s-0039-3400258Primary hemostasis, similar to other systems in the adjusting and transitioning neonate, undergoes developmental adaptations in the first days of life. Although platelets of neonates do not differ quantitatively compared with those of adults, they functionally present with major differences, thus supporting the theory of a “hypofunctional” phenotype that is counterbalanced by high hematocrit and more potent von Willebrand factor multimers. No clinical effect of bleeding tendency has hence been established so far for healthy term neonates. However, discrepancies in ...
Source: Seminars in Thrombosis and Hemostasis - Category: Hematology Authors: Tags: Review Article Source Type: research
Publication date: Available online 8 October 2019Source: Best Practice &Research Clinical Obstetrics &GynaecologyAuthor(s): Lisa R. SammaritanoAbstractAppropriate contraception and preconception counseling are critical for women of reproductive age with systemic autoimmune diseases (AIDs) because clinical diagnosis, rheumatology medications, and disease activity may impact the safety or efficacy of certain contraceptives as well as the risk of adverse pregnancy outcomes. The presence of antiphospholipid (aPL) antibodies (anticardiolipin, anti-β2 glycoprotein I, and lupus anticoagulant) is the most important de...
Source: Best Practice and Research Clinical Obstetrics and Gynaecology - Category: OBGYN Source Type: research
Publication date: Available online 8 October 2019Source: Best Practice &Research Clinical Obstetrics &GynaecologyAuthor(s): Lisa R. SammaritanoAbstractAppropriate contraception and preconception counseling are critical for women of reproductive age with systemic autoimmune diseases since clinical diagnosis, rheumatology medications, and disease activity may impact the safety or efficacy of certain contraceptives as well as the risk of adverse pregnancy outcomes. The presence of antiphospholipid antibodies (anticardiolipin, anti-β2 Glycoprotein I and lupus anticoagulant) is the most important determinant of con...
Source: Best Practice and Research Clinical Obstetrics and Gynaecology - Category: OBGYN Source Type: research
Antiphospholipid syndrome (APS) is an autoimmune disease characterised by the presence of antiphospholipid antibodies (aPL). The antibodies currently included in the classification criteria include lupus anticoagulant (LA), anticardiolipin antibodies (aCL) and anti-^2-glycoprotein 1 antibodies (^2GPI). APS can present with a variety of clinical phenotypes, including thrombosis in the veins, arteries and microvasculature and obstetrical complications. Pregnancy complications in obstetric APS (OAPS) include unexplained recurrent early pregnancy loss, fetal death, or premature birth due to severe preeclampsia, eclampsia, intr...
Source: Thrombosis Research - Category: Hematology Authors: Tags: Review Article Source Type: research
CONCLUSION: Thrombophilias are inherited or acquired predispositions to vascular thrombosis and have been associated with thrombosis of the arteriovenous fistula. Patients on hemodialysis with recurrent vascular access thrombosis and presence of thrombophilia should be evaluated about the need for anticoagulant therapy with a vitamin K antagonist. PMID: 31419276 [PubMed - as supplied by publisher]
Source: Jornal Brasileiro de Nefrologia - Category: Urology & Nephrology Tags: J Bras Nefrol Source Type: research
Abstract Antiphospholipid syndrome an autoimmune disease characterized by thrombosis and/or pregnancy morbidity alongside the presence of antiphospholipid antibodies (aPL). This review evaluates primary and secondary thromboprophylaxis in patients with aPL and thrombotic events. In primary thromboprophylaxis a risk-stratified approach is needed based on aPL, comorbidity with other autoimmune conditions and cardiovascular vascular risk factors. In primary thromboprophylaxis, the efficacy of low-dose aspirin is debatable and requires better-designed controlled studies. So far warfarin has not been shown to improve v...
Source: Lupus - Category: Rheumatology Authors: Tags: Lupus Source Type: research
Authors: Mezhov V, Segan JD, Tran H, Cicuttini FM Abstract Antiphospholipid syndrome is characterised by recurrent thrombosis (arterial, venous, microvascular) and/or pregnancy complications in the presence of persistent antiphospholipid antibodies (lupus anticoagulant, anti-β2-glycoprotein 1 and anticardiolipin). It can be a primary disease or associated with another autoimmune disease (especially systemic lupus erythematosis). Testing for antiphospholipid antibodies should be considered in patients
Source: Medical Journal of Australia - Category: General Medicine Tags: Med J Aust Source Type: research
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