Is blood type really a risk factor for epistaxis? (original) (raw)

B-ENT, 2016

Abstract

Is blood type really a riskfactorfor epistaxis? OBJECTIVES To determine the association between ABO blood type and epistaxis. METHODS This retrospective study involved 359 patients with idiopathic epistaxis. Patients with risk factors for bleeding, including anticoagulant use, thrombocytopenia, hypertension, liver diseases, elevated bleeding time, low coagulation factor levels, or any benign/malignant tumor, were excluded from the study. Thus, only patients with idiopathic epistaxis were included in this study. For the control group, blood-type information was retrieved from the database of the Turkish Red Crescent, the largest blood bank in Turkey. RESULTS The distributions of blood types A, B, AB, and 0 were compared between the epistaxis and control groups. The distribution of blood types A and AB did not significantly differ between the epistaxis and control groups (P>0.05). Blood type B occurred significantly less frequently (P<0.05) and blood type 0 occurred significantl...

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