Thursday, June 20, 2013

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Novel anticoagulant may be higher risk for stroke for periprocedural anticoagulation!

Periprocedural anticoagulation in patients undergoing radiofrequency ablation for atrial fibrillation may entail a small but statistically increased risk of stroke or transient ischemic attack, according to a meta-analysis of 10 observational cohort studies.
The meta-analysis, which included 1,501 patients on periprocedural dabigatran (Pradaxa) and 2,356 on warfarin, had dual primary end points.
 One was stroke or TIA, which occurred in 0.7% of the dabigatran group, compared with 0.2% of those on warfarin – a statistically significant difference (P = .0007), Dr. Benjamin A. Steinberg reported at theannual meeting of the Heart Rhythm Society.

Major bleeding, was recorded in 1.6% of the dabigatran group, with a closely similar 1.7% incidence in the warfarin group.

Rates of cardiac tamponade, a secondary end point, were also similar: 1.1% with dabigatran and 0.9% with warfarin.
Conclusion: Dabigatran posted higher risk of stroke periprocedural anticoagulation with equal risk of bleeding and tamponade comparing to warfarin



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