نتایج جستجو برای: platelet disorder
تعداد نتایج: 699157 فیلتر نتایج به سال:
Background: Cinnamon belongs to the Lauraceae family and is one of the most common spices that are used as traditional medicine in the world. The bark and leaf of cinnamon contain essential oils and derivatives including cinnamaldehyde, cinnamic acid and several other compounds such as polyphenols. Moreover, anti-inflammatory and lipid lowering properties of cinnamon has been proven. Objective:...
A patient with a lifelong bleeding disorder is presented with a prolonged bleeding time and abnormal aggregation and secretion responses to arachidonic acid, thromboxane A2, PAF-acether and the divalent calcium ionophore A23187. Platelet alpha and dense granule contents and morphology appear normal. The proposed defect is due to an abnormality of a platelet intracellular calcium dependent process.
A case of neonatal isoimmune thrombocytopenia (NIT) is described in which maternal platelet antibody levels decreased during the course of pregnancy. It is suggested that if this disorder is clinically suspected, maternal serum should be assessed for anti-platelet specificity using immunoblot analysis.
Background Hemostatic disorder and massive bleeding are common complications after cardiac surgery procedures, particularly in procedures requiring prolonged cardiopulmonary bypass. Conventional laboratory coagulation tests failed to predict hemostatic disorder and consequent proclivity to excessive bleeding. On the other hand there is evergrowing proportion of patients who need antiplatelet th...
The current review describes inherited platelet disorders, illustrates their clinical phenotype and molecular genetic defects. Platelets are the key molecules mediating haemostasis via adhesion, activation and clot formation at the site of injury. The inherited platelet disorders can be classified according to their platelet defects: receptor/cytoskeleton defects, secretion disorder, and signal...
The gray platelet syndrome is a hereditary, usually autosomal recessive bleeding disorder caused by a deficiency of alpha granules in platelets. We detected a nonsense mutation in the gene encoding the transcription factor GFI1B (growth factor independent 1B) that causes autosomal dominant gray platelet syndrome. Both gray platelets and megakaryocytes had abnormal marker expression. In addition...
Glanzmann's thrombasthenia is a rare congenital bleeding disorder. Patients usually present with mucocutaneous bleeding and excessive bleeding associated with trauma and/or surgery. Patients have an increased bleeding time and a normal platelet count with abnormal platelet function assays. Genetically, Glanzmann's thrombasthenia is associated with mutations in the genes which encode for glycopr...
Familial platelet disorder with propensity to myeloid malignancy (FPD/AML) is an autosomal dominant syndrome characterized by platelet abnormalities and a predisposition to myelodysplasia (MDS) and/or acute myeloid leukemia (AML). The disorder, caused by inherited mutations in RUNX1, is uncommon with only 14 pedigrees reported. We screened 10 families with a history of more than one first degre...
UNLABELLED Thrombotic thrombocytopenic purpura (TTP) is a life-threatening disorder characterized by systemic platelet-von Willebrand factor aggregation, organ ischemia and profound thrombocytopenia. In this report, we describe an autopsy case of a 77-year-old Japanese man diagnosed with idiopathic TTP. He had no history of cardiovascular disease symptoms, such as chest pain, ST segment elevati...
Adult autoimmune throbocytopenic purpura (ATP) is a platelet disorder that develops in certain individuals with a genetic as well as sex (female) predisposition following an environment event (?viral). This results in the production of an IgG antiplatelet antibody capable of reacting with the host's platelets, as well as crossing the placenta. This leads to the rapid clearance and destruction o...
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