Key result
Weight-based 4F-PCC dosing reduced anticoagulation reversal failure vs fixed dosing (24.2% vs 65.0%; p<0.001), while time to administration did not affect clinical outcomes after GCS adjustment.
Why the study?
The study evaluated clinical outcomes associated with time to administration and dose of four-factor prothrombin complex concentrate (4F-PCC) in patients with intracranial hemorrhage on warfarin.
Does the timing and dosing strategy (weight-based vs. fixed-dose) of four-factor prothrombin complex concentrate (4F-PCC) improve clinical outcomes and INR reversal in patients with warfarin-associated intracranial hemorrhage?
Cohort (n=94)
No
Does the timing and dosing strategy (weight-based vs. fixed-dose) of four-factor prothrombin complex concentrate (4F-PCC) improve clinical outcomes and INR reversal in patients with warfarin-associated intracranial hemorrhage?
Absolute Event Rate: 71.4% vs 30.6%
p-value: p=0.005
In patients with warfarin-associated intracranial hemorrhage, weight-based dosing of 4F-PCC achieves significantly better INR reversal than fixed dosing, although timing of administration did not independently alter clinical outcomes when adjusting for baseline neurological severity.
Weight-based 4F-PCC dosing was associated with superior INR reversal in warfarin ICH; hypothesis-generating for outcomes and requires randomized confirmation before practice change.
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Cicci et al. (2022) conducted a cohort in warfarin-associated intracranial hemorrhage (n=94). four-factor prothrombin complex concentrate (4F-PCC) vs. different time windows and dosing strategies was evaluated on composite of hematoma expansion or death due to neurologic injury (p=0.005). Weight-based 4F-PCC dosing reduced anticoagulation reversal failure vs fixed dosing (24.2% vs 65.0%; p<0.001), while time to administration did not affect clinical outcomes after GCS adjustment.
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