Published Jul 15, 2013



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Patricia E. Jaramillo Arbeláez

Paola A. Acevedo Toro

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Abstract

Introduction: The microcytosis and poikilocytosis interfere with platelet count in microcytic anemia, which alters the platelet indices determination in hematology analyzers with impedance.

Objective: To evaluate the red cell morphology in blood smears to identify those alterations that interfere with platelet indices results in patients with microcytic anemia. Materials and Methods: Fifty adult patients hospitalized with heterogeneous microcytic anemia were confirmed through automated full blood count. Red cell and platelet morphology was evaluated in blood films obtained through digital puncture.

Results: It was found red cell anisocytosis characterized by 1+ to 2+ of microcytes. There was a correlation between Platelet Distribution Width (PDW) and Mean Platelet Volume (MPV) (p=0,041 and p=0,036 respectively), the small erythrocytes size correlates with MPV and PDW; nevertheless, erythroid morphology doesn’t correlate neither with P-LCR and platelet count. Also, there wasn’t significant difference between erythroid morphology and platelet indices.

Conclusions: Platelet indices interpretation in hematology analyzers with impedance isn’t influenced by microcytosis or poikilocytosis in patients with heterogeneous microcytic anemia that present several clinical conditions.

Keywords

Anemia, mean corpuscular volume, mean platelet volume, anemia, volumen corpuscular medio, volumen plaquetario medio,

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How to Cite
Jaramillo Arbeláez, P. E., & Acevedo Toro, P. A. (2013). Red Cell Morphology Interference in Platelet Indices from Patients with Anemia and Low Mean Corpuscular Volume from the IPS Universitaria, Clínica León XIII. Universitas Medica, 54(4), 443–460. https://doi.org/10.11144/Javeriana.umed54-4.iame
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