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  • Title: Platelet activation in outpatients undergoing esophagogastroduodenoscopy.
    Author: Sagripanti A, Ferdeghini M, Pinori E, Polloni A, Bianchi R, Materazzi F.
    Journal: J Nucl Med Allied Sci; 1989; 33(1):22-5. PubMed ID: 2526203.
    Abstract:
    To evaluate the influence of emotional stress on platelet function, we have measured by radio-immunoassay in plasma two platelet-secreted proteins, beta-thromboglobulin and platelet factor 4, in a series of outpatients undergoing esophagogastroduodenoscopy for upper digestive complaints. The plasma levels of beta-thromboglobulin and platelet factor 4, determined just before the instrumental examination, were significantly more elevated as compared to basal values, checked a week later. These results provide evidence of enhanced in vivo platelet release reaction during emotional stress.
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