A Comparison of Coagulation Function in Patients Receiving Aspirin and Cefoperazone-Sulbactam With and Without Vitamin K1: A Retrospective, Observational Study

Clinical Therapeutics(2021)

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摘要
Purpose The study objective was to explore whether prophylaxis with vitamin K1 improves abnormal coagulation function–associated cefoperazone-sulbactam in patients treated in the long term with low-dose aspirin. Methods This retrospective, observational study assessed patients treated with long-term low-dose aspirin in a naval military hospital in China from 2004 to 2018, including all patients treated concurrently with cefoperazone-sulbactam with or without vitamin K1. Differences in the coagulation index were analyzed statistically before and after receipt of cefoperazone-sulbactam. Findings The cohort included 227 patients. After cefoperazone-sulbactam treatment, the mean (SD) prothrombin time (PT) was 14.07 (3.07) seconds, activated partial thromboplastin time (aPTT) was 35.15 (4.78) seconds, and international normalized ratio (INR) was 1.49 (0.49) in the cefoperazone-sulbactam group, which was significantly higher than the PT of 11.55 (1.29), aPTT of 31.37 (2.20), and INR of 1.12 (0.35) before cefoperazone-sulbactam treatment. No significant difference was in the cefoperazone-sulbactam plus vitamin K1 group. In addition, no significant difference was found in the thrombin time or fibrinogen level between before and after cefoperazone-sulbactam treatment in both groups. The mean (SD) platelet counts of the 2 groups were 197.34 (71.82) × 109/L and 187.75 (72.66) × 1 09/L after cefoperazone-sulbactam treatment, respectively, which was significantly lower than 231.77 (77.05) × 109/L and 232.08 (84.48) × 109/L before cefoperazone-sulbactam treatment. There were greater proportions of coagulation disorders (prolongation of PT, aPTT, INR, and bleeding) after cefoperazone-sulbactam treatment in the cefoperazone-sulbactam group compared with that in the cefoperazone-sulbactam plus vitamin K1 group. Implications Results indicate that, after adding cefoperazone-sulbactam to the regimens of patients receiving long-term low-dose aspirin, therapy contributed to remarkable increase in abnormal coagulation function and coagulation disorders. Prophylaxis with vitamin K1 decreased the risk of these abnormalities in blood coagulation parameters associated with cefoperazone-sulbactam in patients taking long-term aspirin.
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关键词
aspirin,bleeding,cefoperazone-sulbactam,coagulation function,PT prolongation,vitamin K
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