Objective. To evaluate the relationship between the antiphospholipid profile and clinical characteristics of pregnant women with antiphospholipid syndrome (APS) and neonatal outcome. Methods. We retrospectively considered 109 treated pregnancies of 93 patients with primary APS and reviewed the medical records of their 111 infants. Neonatal outcome was assessed using the following variables: weeks of gestational age at delivery, percentiles of birth weight, Apgar score at 5 minutes, need for cardiopulmonary resuscitation in the delivery room, time in the neonatal intensive care unit, infections, and other neonatal complications. Univariate statistical analysis was performed to evaluate the relationship between APS maternal features and neonatal outcome parameters. Results. When maternal APS features and variables of infant outcome were analyzed, it was evident that lupus anticoagulant (LAC), triple antiphospholipid positivity, and history of vascular thrombosis were significantly associated with some parameters of a poor infant outcome. History of pregnancy morbidity alone was, instead, significantly correlated to the variables of favorable neonatal outcome. Conclusion. There seems to be more than one kind of pregnant woman with APS. Even when treated with a second-line therapy plan, mothers with LAC and/or triple antiphospholipid positivity and/or previous thromboembolism seem to have a high probability of poor neonatal outcome, whereas those with pregnancy morbidity alone, treated with conventional drugs, seem to have a high probability of favorable outcome.

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Antinuclear antibodies, anticardiolipin antibodies and IgM rheumatoid factor were determined in 300 healthy aged subjects, comparing their prevalence to that in 100 healthy subjects aged between 19 and 44 years and 352 patients under 65 years of age, affected by various systemic rheumatic diseases. Increased production of IgM rheumatoid factor and antinuclear and anticardiolipin antibodies was found as characteristic of aged humans, and suggested that a correction for age should be considered in evaluating the clinical significance of autoantibody profiles in elderly patients.

Background Thrombocytopenia is the most common non-criteria hematological feature in patients with antiphospholipid syndrome (APS). This condition is more common in patients with catastrophic APS (CAPS). Objectives To evaluate the prevalence of thrombocytopenia in a large series of high-risk patients with APS, and to assess the behavior of the platelet count during CAPS. Methods/Patients This was a cross-sectional study in which we analyzed the platelet counts of a homogeneous group of high-risk APS patients (triple-positive). Six of these patients developed a catastrophic phase of the disease, and the platelet count was recorded before the acute phase, during the acute phase, and at recovery. Results The mean platelet count in 119 high-risk triple-positive patients was 210 × 10 L . With a cut-off value for thrombocytopenia of 100 × 10 L , the prevalence of thrombocytopenia was 6% (seven patients). No difference between primary APS and secondary APS was found. In patients who suffered from CAPS, a significant decrease from the basal count (212 ± 51 × 10 L ) to that at the time of diagnosis (60 ± 33 × 10 L ) was observed. The platelet count became normal again at the time of complete remission (220 ± 57 × 10 L ). A decrease in platelet count always preceded the full clinical picture. Conclusions This study shows that, in high-risk APS patients, the prevalence of thrombocytopenia is low. A decrease in platelet count was observed in all of the patients who developed the catastrophic form of the disease. A decrease in platelet count in high-risk APS patients should be considered a warning signal for disease progression to CAPS.

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