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  • Title: Increased platelet volume in diabetic retinopathy.
    Author: Cagliero E, Porta M, Cousins S, Kohner EM.
    Journal: Haemostasis; 1982; 12(3):293-9. PubMed ID: 7141308.
    Abstract:
    Platelet volume was measured in 30 healthy controls and 87 diabetic patients, the latter subdivided according to the absence, presence and severity of retinopathy, to investigate if platelet size is related to microangiopathy. The platelet volume of the whole diabetic population was increased (p less than 0.05) due to a higher percentage of large elements (p less than 0.05). The patients with various degrees of retinopathy had similar increases (p less than 0.05) in their platelet size, while those without complications occupied an intermediate position between normal controls and retinopathy patients. It is concluded that: (i) increased platelet size accompanies diabetic retinopathy, irrespective of its severity, and (ii) patients without this complication form a heterogeneous group, some of which already have alterations of platelet volume. The role of these abnormalities in the development and progression of diabetic microangiopathy remains to be established.
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