Bridge therapy
* Anticoagulation bridge: Temporary anticoagulation , such as with heparin , is used during a perioperative period when a patient's regular anticoagulant therapy , such as with warfarin , is suspended; the goal is to prevent excess risk of severe bleeding during or after surgery . 
<triplet> heparin <subj> anticoagulation <obj> subclass of <triplet> warfarin <subj> anticoagulation <obj> subject has role