Results 141 to 150 of about 946 (183)
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Pseudothrombocytopenia Due to Agglutinins
American Journal of Clinical Pathology, 1979Pseudothrombocytopenia may have any of a number of causes, one of which is agglutination in vitro. This phenomenon was found in samples of blood from six patients. A serum factor responsible for the agglutination was demonstrated. The factor was dependent upon the presence of EDTA and was more active at room temperature than at 37 C.
Veenhoven, Willem +5 more
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Concurrent pseudothrombocytopenia and immune thrombocytopenia
The American Journal of the Medical Sciences, 2022Psuedothrombocytopenia, the presence of platelet clumping on the peripheral blood film, is usually considered to rule out the diagnosis of immune thrombocytopenia (ITP) or other causes of increased platelet destruction and to be a laboratory artifact of no clinical significance. We report a case of concurrent psuedothrombocytopenia and ITP.
Holt, Hannah D. +2 more
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Clinical Chemistry and Laboratory Medicine, 2012 Ethylenediaminetetra-acetic acid (EDTA) is widely used as anticoagulant in laboratory medicine. EDTA-dependent pseudothrombocytopenia is a rare phenomenon (i.e., around 0.1% in the general population), which is mostly due to the presence of EDTA ...
Giuseppe Lippi, Mario Plebani
exaly +2 more sources
Pseudothrombocytopenia in plateletpheresis donors
Transfusion, 1995BACKGROUND: EDTA pseudothrombocytopenia (PTCP) is an in vitro artifact in which the anticoagulation of blood with EDTA is associated with in vitro agglutination of platelets, resulting in a spuriously low platelet count. In apheresis donors, whole‐blood samples for complete blood counts are routinely drawn into tubes anti‐coagulated with EDTA.
J D, Sweeney +4 more
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Pseudothrombocytopenia associated with vasculitis
The American Journal of the Medical Sciences, 1980A patient with pseudothrombocytopenia due to the anticoagulant EDTA is described. The thrombocytopenia was secondary to platelet agglutination and required the presence of EDTA in a critical concentration and the patient's plasma. Both homologous and autologous platelets were affected by this plasma factor in the presence of EDTA.
W M, Boehme, T, Mahmood, P, Phanuphak
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Pseudothrombocytopenia in a Preterm Neonate
Pediatrics, 2004Severe and prolonged thrombocytopenia is not uncommon among ill preterm infants. Pseudothrombocytopenia, which has the appearance of severe and prolonged thrombocytopenia, has not been described in this population. We observed a preterm neonate who had EDTA-independent pseudothrombocytopenia and conclude that this condition should be considered when ...
Robert D, Christensen +4 more
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EDTA-Induced Pseudothrombocytopenia
Southern Medical Journal, 1992A 45-year-old man was admitted to the hospital because of unstable angina pectoris. During the wait for coronary artery bypass surgery, the platelet count gradually decreased from 154,000 to 20,000/mm3, without hemorrhagic manifestations. Medications were discontinued and surgery was postponed.
H, Mayan +3 more
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Pseudothrombocytopenia and Mexiletine
Annals of Internal Medicine, 1984Excerpt To the editor: Fasola and coworkers (1) recently have reported the second case (2) of a mexiletine-associated thrombocytopenia with platelets having been counted in edetic acid-anticoagulat...
GERD GIRMANN +2 more
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Anticoagulant-induced Pseudothrombocytopenia and Pseudoleucocytosis
Thrombosis and Haemostasis, 1995Summary Pseudothrombocytopenia (PTP) is the phenomenon of falsely low platelet counts due to in vitro platelet clumping in the presence of platelet autoantibodies and anticoagulants. We assessed anticoagulant- dependence, time course of platelet counts and impact of different counter devices on the phenomenon. Blood of 10 persons with
H, Schrezenmeier +4 more
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