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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
5
pubmed:dateCreated
2006-8-24
pubmed:abstractText
Reticulated platelets with a high RNA content represent the most recently released platelets and are regarded to reflect thrombopoiesis. In the present study we used flow cytometric analysis to determine the percentage of reticulated platelets in peripheral blood for patients with chronic myeloproliferative disorders (polycythemia vera, essential thrombocytosis) and acute myelogenous leukemia (AML) patients with severe chemotherapy-induced thrombocytopenia. Patients with essential thrombocytosis and polycythemia vera showed increased levels of reticulated platelets compared with healthy controls, and these levels persisted after normalization of the platelet count by hydroxyurea or interferon-alpha treatment. Patients with reactive thrombocytosis or thrombocytopenia with increased platelet turnover often had higher levels of circulating reticulated platelets than patients with myeloproliferative disorders. Furthermore, AML patients with severe chemotherapy-induced cytopenia showed low levels that started to increase 1-9 days prior to hematopoietic reconstitution. To summarize and conclude: (i) circulating reticulated platelets are increased in patients with chronic myeloproliferative disorders, reactive thrombocytosis and thrombocytopenia due to increased platelet turnover; (ii) patients with pure erythrocytosis often have additional abnormalities in the thrombopoiesis; and (iii) the levels of reticulated platelets seem to predict hematopoietic reconstitution for patients receiving intensive AML therapy.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Aug
pubmed:issn
0953-7104
pubmed:author
pubmed:issnType
Print
pubmed:volume
17
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
296-302
pubmed:dateRevised
2007-11-15
pubmed:meshHeading
pubmed:year
2006
pubmed:articleTitle
Reticulated platelets are increased in chronic myeloproliferative disorders, pure erythrocytosis, reactive thrombocytosis and prior to hematopoietic reconstitution after intensive chemotherapy.
pubmed:affiliation
Division for Hematology, Department of Medicine, Haukeland University Hospital, University of Bergen, Bergen, Norway. anita.ryningen@mbi.uih.no
pubmed:publicationType
Journal Article, Comparative Study, Research Support, Non-U.S. Gov't