Thrombocytopenia in patients with hepatitis B virus-related chronic hepatitis: evaluation of the immature platelet fraction.
PLATELETS(2014)
摘要
The immature platelet fraction (IPF) measures the number of reticulated platelets in peripheral blood, and can be used to help determine if thrombocytopenia is secondary to low-platelet production or increased platelet turnover. The aim of this study was to determine whether abnormalities in the IPF were associated with thrombocytopenia in patients with hepatitis B virus-related chronic hepatitis (CHB). One hundred fifty-six patients with chronic hepatitis B, including 80 thrombocytopenia, 76 without thrombocytopenia, and 48 healthy controls were enrolled in the study. The IPF percentages (IPF%) were measured using a XE-2100 multiparameter automatic hematology analyzer. We demonstrated that in the thrombocytopenic group, the IPF% was significantly increased compared with that in healthy controls and the non-thrombocytopenic group (both p50.001). Multivariate analysis demonstrated that IPF%, splenomegaly, and the model for end-stage liver disease score were independent predictors for thrombocytopenia (both p50.001). High IPF% during the course of thrombocytopenia suggests that platelet destruction/sequestration due to hypersplenism is a major factor contributing to thrombocytopenia in patients with CHB.
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关键词
Chronic hepatitis B,immature platelet fraction,splenomegaly,thrombocytopenia
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