Which procedures require that patients have coagulation studies drawn prior to the procedure?
Angiograms Angioplasty Arteriovenous fistulogram Arthrograms (IF patient is on blood thinners) Biliary drain Biopsies Central line placement (permanent or temporary) Cholangiograms (percutaneous) Cryoplasty Dialysis catheter placement (permanent or temporary) Drains and chest tubes Embolization and chemo-embolization Epidural steroid injection IVC filters Kyphoplasty Lumbar puncture Myelogram Nephrostomy Nerve root block Paracentesis PICC placement Pyelogram (antegrade) Radiofrequency ablation Thoracentesis Ureteral stents Vascular stents and stent grafts Venograms Vertebroplasty Which medications should be discontinued prior to an invasive radiologic procedure? • Patients should stop taking Coumadin 5 days prior to any such procedure. For all such patients on Coumadin, coagulation studies should then be ordered on the day of procedure, including a PT/INR. • Low molecular weight heparin should not be administered less than 24 hours prior to the procedure. • For core biopsies only, pati
