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- W2783176674 abstract "Essentials•The prevalence of thrombocytopenia in patients with antiphospholipid syndrome is not well defined.•We studied triple positive patients with antiphospholipid syndrome and its catastrophic variant.•Prevalence of thrombocytopenia was 6% and 100% in patients who developed the catastrophic form.•In triple positive patients thrombocytopenia is low and platelets drop during the catastrophic form.Summary: BackgroundThrombocytopenia 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).ObjectivesTo 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/PatientsThis 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.ResultsThe mean platelet count in 119 high‐risk triple‐positive patients was 210 × 109 L−1. With a cut‐off value for thrombocytopenia of 100 × 109 L−1, 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 × 109 L−1) to that at the time of diagnosis (60 ± 33 × 109 L−1) was observed. The platelet count became normal again at the time of complete remission (220 ± 57 × 109 L−1). A decrease in platelet count always preceded the full clinical picture.ConclusionsThis 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. Essentials•The prevalence of thrombocytopenia in patients with antiphospholipid syndrome is not well defined.•We studied triple positive patients with antiphospholipid syndrome and its catastrophic variant.•Prevalence of thrombocytopenia was 6% and 100% in patients who developed the catastrophic form.•In triple positive patients thrombocytopenia is low and platelets drop during the catastrophic form. •The prevalence of thrombocytopenia in patients with antiphospholipid syndrome is not well defined.•We studied triple positive patients with antiphospholipid syndrome and its catastrophic variant.•Prevalence of thrombocytopenia was 6% and 100% in patients who developed the catastrophic form.•In triple positive patients thrombocytopenia is low and platelets drop during the catastrophic form. 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). 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. 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. The mean platelet count in 119 high‐risk triple‐positive patients was 210 × 109 L−1. With a cut‐off value for thrombocytopenia of 100 × 109 L−1, 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 × 109 L−1) to that at the time of diagnosis (60 ± 33 × 109 L−1) was observed. The platelet count became normal again at the time of complete remission (220 ± 57 × 109 L−1). A decrease in platelet count always preceded the full clinical picture. 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." @default.
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- W2783176674 date "2018-03-01" @default.
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- W2783176674 title "Thrombocytopenia in high‐risk patients with antiphospholipid syndrome" @default.
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