Abstract
Background: Numerous studies have demonstrated that patients with non-O blood groups have higher risk for venous thromboembolism than those with O blood group. However, it has remained unknown about the effect of ABO blood groups on warfarin dose requirements in patients receiving anticoagulation in Chinese Han population. The study aimed to investigate the influence of ABO blood groups on warfarin dose requirements in Chinese Han population.
Methods: A retrospective study was conducted in the First Affiliated Hospital of Shantou University Medical College in Southern China. Three hundreds and 58 patients with confirmed diagnosis of deep venous thromboembolism and atrial fibrillation were included. Frequency of blood groups and warfarin dose requirements were determined.
Results: Of 358 patients with deep venous thromboembolism and atrial fibrillation, 111 patients had blood group A (31.01%), 104 patinets had blood group B (29.05%), 20 patients had blood group AB (5.59%), and 123 patients had blood group O (34.36%). The patients with O blood group had a lower warfarin dose requirements compared with those with A, B and AB blood group.
Conclusion: Our study showed that patients with non-O blood groups require higher doses of warfarin.
Association between ABO blood group and risk of Crohn’s disease: A case‐control study in the Chinese Han population