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Deprecated: Implicit conversion from float 233.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Crit+Care 2015 ; 19 (ä): ä Nephropedia Template TP
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Argatroban in the management of heparin-induced thrombocytopenia: a multicenter clinical trial #MMPMID26556106
Introduction: The aim of this study was to collect data in France in patients with heparin-induced thrombocytopenia who required parenteral anticoagulation and for whom other non-heparin anticoagulant therapies were contraindicated including patients with renal failure, cross-reactivity to danaparoid or at high hemorrhagic risk. Methods: A total of 20 patients, of mean age 72?±?10 years, were enrolled in this open-label, multicenter clinical study. Exploratory statistical data analysis was performed with descriptive interpretation of intra-individual comparisons using simple univariate statistics. Results: The diagnosis of HIT was confirmed in 16 subjects by an independent scientific committee. Fourteen patients (70 %) were in an intensive care unit during the course of the study. Patients were treated with argatroban for a mean duration of 8.5?±?6.1 days. The mean starting dose of argatroban was 0.77?±?0.45 ?g/kg/min. Platelet recovery was rapid.aPTT and anti-IIa activity assays were used to monitor the dose of argatroban. The mean baseline aPTT value was 45.0?±?9.8 sec and increased to 78.2?±?35.8 sec two hours after initiating argatroban. At this time mean argatroban concentration was 0.34?±?0.16 and 0.61?±?0.28 ?g/ml using ECT and TT measurements, respectively. New and/or extended thromboses were reported in 25 % of patients and major bleedings were documented in 15 %. Six patients died due to their underlying medical condition. Conclusion: Considering its hepatic elimination and its short half-life, argatroban can be considered as a safe therapeutic option in HIT patients at high hemorrhagic risk and with renal failure, particularly in an ICU setting.