In patients with SHD who had VT related mainly to ischaemic substrates, there was a significantly lower risk of the composite primary outcome of long-term VA recurrence and all-cause mortality among those undergoing substrate modification compared to standard ablation. Long-term success is improved when performing complete substrate modification.
In the AFFIRM Study, stroke rates were not significantly different in the rate control and sinus rhythm control arms. However, several clinical and therapeutic variables were associated with stroke risk. In patients with a history of AF at high risk for stroke or death, the presence of AF increases the risk of having a stroke, and warfarin therapy reduces the risk of having a stroke. The beneficial effect of warfarin therapy is seen not only in patients in AF but also in patients with a history of AF but who presumably remain in sinus rhythm.
Performing CA-AF with a target ACT > 300 decreases the risk of TE without increasing the risk of bleeding. Patients receiving VKAs required less heparin and reached the target ACT faster compared to NOACs.
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