Journal of clinical apheresis
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Anti-N-methyl-D-aspartate receptor (NMDA-R) encephalitis is thought to be one of the common paraneoplastic-associated encephalitides. Between February 2001 and February 2011, nine patients were diagnosed with this disorder at Columbia University Medical Center: eight females (mean age 23 years) and one male (3 years of age). Four female patients had ovarian teratomas, which were removed as part of their treatment. ⋯ However, the number of patients in this series is too small to provide statistically significant conclusions. Overall, TPE is a relatively safe treatment option in patients with anti-NMDA-R encephalitis. Further studies are needed to elucidate the benefit of TPE in this disease.
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Fulminant sepsis-induced multisystem organ failure (MSOF) in pediatric patients carries substantial morbidity and mortality. Therapeutic plasma exchange (TPE) has been reported to be beneficial in sepsis-induced MSOF. We evaluated the outcomes of previously healthy children with fulminant sepsis-induced MSOF receiving TPE. ⋯ > TPE may contribute to a better outcome in previously healthy pediatric patients with fulminant sepsis-induced MSOF, especially if instituted early in the course of multiorgan failure.
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Review Case Reports
Use of plasma exchange in patients with heparin-induced thrombocytopenia: a report of two cases and a review of the literature.
Heparin-induced thrombocytopenia (HIT), which is characterized by thrombocytopenia and potentially serious thromboses, may develop in patients exposed to heparin anticoagulation. HIT is caused by antibodies to the heparin/platelet factor 4 (PF4) complex. Management of HIT involves discontinuation of heparin and anticoagulation with a nonheparin alternative such as a direct thrombin inhibitor (DTI). ⋯ Both patients had positive enzyme-linked immunosorbent assay assays for heparin/PF4 antibodies and clinical evidence of HIT before PE. Following PE and subsequent CPB, neither patient had clinical or laboratory evidence of HIT. The literature regarding the use of PE for the treatment of complications of HIT and as prophylaxis before CPB is reviewed.
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The American Society for Apheresis (ASFA) Apheresis Applications Committee is charged with a review and categorization of indications for therapeutic apheresis. Beginning with the 2007 ASFA Special Issue (fourth edition), the subcommittee has incorporated systematic review and evidence-based approach in the grading and categorization of indications. This Fifth ASFA Special Issue has further improved the process of using evidence-based medicine in the recommendations by refining the category definitions and by adding a grade of recommendation based on widely accepted GRADE system. ⋯ The fact sheet succinctly summarizes the evidence for the use of therapeutic apheresis. The article consists of 59 fact sheets devoted to each disease entity currently categorized by the ASFA as category I through III. Category IV indications are also listed.
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In 2009, a 35-year-old female with Down syndrome was admitted to our hospital because of severe pneumonia caused by an infection with the novel swine-origin influenza (A/H1N1pdm) virus (S-OIV). A chest X-ray on admission revealed bilateral infiltration shadows. Although mechanical ventilation was administered because of the development of ARDS, the hypoxemia continued to progressed. ⋯ She was free from mechanical ventilation and discharged from the hospital by the 17th day of her hospitalization. PMX-DHP seems to improve hypoxemia in patients with severe ARDS who cannot maintain sufficient respiratory control under mechanical ventilation. This case is the first report about severe and life-threatening ARDS due to the novel influenza, in which PMX-DHP showed beneficial effects.