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  • Title: Platelet aggregation in children with Helicobacter pylori infection.
    Author: Gursel O, Atay AA, Kurekci AE, Avcu F, Nevruz O, Senses Z, Ozturk E, Hasimi A, Ozcan O.
    Journal: Clin Appl Thromb Hemost; 2010 Dec; 16(6):637-42. PubMed ID: 19633022.
    Abstract:
    This study was performed to investigate the platelet aggregation alterations in platelet-rich plasma (PRP) samples of children with Helicobacter pylori (H pylori) infection. Platelet aggregation induced by adenosine diphosphate (ADP), collagen, ristocetin, or epinephrine was studied with photometric aggregometry in 30 patients before and after eradication therapy and in a control group including 15 children. The pretreatment mean maximum aggregation values and slope were significantly lower (P < .0001) in the study group at 10 μmol/L concentrations of ADP (ADP-like defect). The maximum aggregation values and slope revealed no significant differences (P > 0.05) between the study group after therapy and the control group. We concluded that H pylori infection may cause dysfunction of platelets in children and can be reversed by H pylori eradication therapy. Further studies should be carried out to determine the mechanisms of platelet dysfunction in children with H pylori infection.
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