Jack A Zeller

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Autoantibodies against factor VIII (FVIII) are rare but can cause life-threatening bleeding requiring costly factor replacement and prolonged immunosuppression. We report 4 consecutively treated patients whose acquired FVIII inhibitors responded rapidly to immunosuppressive regimens that included rituximab, a monoclonal antibody against CD20(+) B cells.(More)
BACKGROUND In some patients with vitamin B-12 deficiency mistakenly treated with folic acid, anemia resolved but neurologic complications became worse (masking). Fortification of enriched cereal grains with folic acid has raised concerns that people who consume large quantities of cereal grains, particularly the elderly, may be at increased risk of masking.(More)
We have identified a circulating, heparin-like anticoagulant in a patient with multiple myeloma (IgG4 lambda) who had serious clinically evident bleeding that contributed to his death. Purification of the patient's circulating coagulation inhibitor was accomplished by ammonium sulfate concentration, anion exchange chromatography, and affinity chromatography(More)
Formaldehyde, acetaldehyde, malondialdehyde, glutaraldehyde and paraldehyde, when added in vitro to platelet-rich plasma, generate a similar distinct platelet aggregation response which is dose dependent when measured with a manual visual microscopic technique and by computerized image analysis, 'computerized platelet aggregation analysis'. Light(More)
Zusammenfassung Hereditäre und erworbene Gerinnungsstörungen können bei der Schlaganfallentstehung eine wichtige Rolle spielen. Wegen der Seltenheit der meisten erblichen Gerinnungsstörungen und der erheblichen Kosten, die sich aus einer unkritischen Indikationsstellung ergeben, ist eine maßgeschneiderte Diagnostik sinnvoll. Suggestive Hinweise auf eine(More)
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