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    Home > Active Ingredient News > Blood System > AJCP: Direct thrombin inhibitor versus activated partial thromboplastin time in pediatric patients is monitored using calibrated diluted thrombin time

    AJCP: Direct thrombin inhibitor versus activated partial thromboplastin time in pediatric patients is monitored using calibrated diluted thrombin time

    • Last Update: 2022-11-25
    • Source: Internet
    • Author: User
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    Figure 3: Example of direct thrombin inhibitor monitoring test values over time in patients taking a constant dose of
    argatroban.
    A, diluted thrombin time (dTT).

    B, activated partial thromboplastin time (aPTT).

    The patient is a 7-month-old man taking argatroban for venous thrombosis in the setting of heparin-induced thrombocytopenia
    .
    As shown, the dose of argatroban was constant at 2.
    25 μ g/kg/min
    during monitoring.

    Figure 4: Determination of mean Pearson coefficient for diluted thrombin time (dTT) or activated partial thromboplastin time (aPTT) compared to bivaludin or argatroban
    .
    A, for argatroban, dTT had a significantly higher mean correlation (r2) dose greater than aPTT (n = 10, P = .
    028, one-tailed paired t-test).

    B.
    When agatroban and bivalutin were combined, the mean correlation of dTT was significantly higher than that of the control group (r2) at doses greater than aPTT (n = 14, P = .
    007, single-tailed paired t-test).

    Original source:

    Hasan RA, Pak J, Kirk CJ, Friedland-Little JM, Chandler WL.
    Monitoring Direct Thrombin Inhibitors With Calibrated Diluted Thrombin Time vs Activated Partial Thromboplastin Time in Pediatric Patients [published online ahead of print, 2022 Nov 9].
    Am J Clin Pathol.
    2022; aqac131.
    doi:10.
    1093/ajcp/aqac131

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