"Outcomes of Temporary Interruption of Rivaroxaban Compared with Warfarin in Patients with Nonvalvular Atrial Fibrillation: Results from ROCKET AF"
Circ
http://circ.ahajournals.org/content/early/2014/02/18/CIRCULATIONAHA.113.005754.abstract
"Conclusions—TI of oral anticoagulation is common and associated with substantial stroke risks and bleeding risks that were similar among patients treated with rivaroxaban or warfarin. Further investigation is needed to determine the optimal management strategy in AF patients requiring TI of anticoagulation."