<qa>  What is allowed for vascular stents that have been in place for more than 61. Intravascular foreign material in place at the time that the positive blood culture was drawn e.g., intracardiac pacemaker wires, percutaneous or implanted venous catheters, vascular grafts, exception: vascular stents that have been in place for 6 months or permanent pacemaker wires attached via epicardial leads are allowed; 