Pacemaker or Defibrillator Surgery Without Interruption of Anticoagulation

Study Questions:

What is the effect of the current practice of bridging with heparin during pacemaker or implantable cardioverter-defibrillator (ICD) implantation, in patients at moderate to high risk of thromboembolic complications, versus continued warfarin therapy, on the incidence of device-pocket hematoma?