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No study has compared 2 different dosing strategies for argatroban titration nor has any published nomogram demonstrated improvement in outcomes. This study was conducted to evaluate the effectiveness of 2 argatroban nomograms on reaching therapeutic anticoagulation. Patients treated with argatroban were separated into 2 sliding scale groups, percentage adjustments (PAs) and predefined dose increments (PDIs). The primary outcome was the time to reach a therapeutic activated partial thromboplastin time (aPTT). The average initial dose and dose to achieve a therapeutic aPTT were similar between the groups. There was also no difference in the number of dose changes. The time to reach a therapeutic aPTT was 2 hours shorter in the PDI compared to the PA group, 8 ± 4 hours versus 10 ± 4 hours, P = .015. This study demonstrates a significant time advantage associated with a PDI nomogram compared to a PA nomogram but no difference with respect to the number of rate changes.

No abstract