Author(s): Kulo A, Kusturica J, Kapi E, Beci F, RakanoviTodi M,
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Abstract AIM: To evaluate differences in the treatment quality between often used oral anticoagulants, warfarin and acenocoumarol in patients with nonvalvular atrial fibrillation (NVAF). METHODS: This was an observational, comparative, one-year clinical study, conducted in the Blood Transfusion Institute of Sarajevo, Bosnia & Herzegovina. All patients who were using warfarin/ acenocoumarol and monitored were eligible. Patients who met inclusion criteria (the age of 40-80, diagnosed NVAF, CHADS index score > or = 2, the planned long-term treatment) were includes in two parallel groups of 60 patients, composed according to the warfarin/acenocoumarol treatment as well as the gender and age. Routinely measured International normalised ratio (INR) values were the basic parameter for individual quality and stability assessment. RESULTS: All average, monthly INR values were in therapeutic range (2.0-3.0) in both therapeutic groups. There were no significant differences either in the number of therapeutic INR values per patient (50.53 +/- 23.72\% vs. 51.74 +/- 26.68\%, P = 0.795) or in individual quality of treatment: > 50\% therapeutic INR values (60.0\% vs. 64.9\%, P = 0.721) and > 75\% therapeutic INR values (18.3\% vs. 22.8\%, P = 0.714) in the warfarin and acenocoumarol group, respectively. Significantly better stability was determined for acenocoumarol as compared with warfarin treatment in terms of a longer period of the total observed time during which therapeutic INR values were stable (37.6\% vs. 35.7\%, P = 0.0002). CONCLUSION: Both drugs have shown similar quality of individual anticoagulation control, but acenocoumarol have shown significantly better anticoagulation stability with therapeutic INR values covering significantly longer time of treatment.
This article was published in Med Glas (Zenica)
and referenced in Cardiovascular Pharmacology: Open Access