1 List the indications for percutaneous nephrostomy (PCN) ( Figure 73-1 ). To relieve obstruction in the setting of infection or to preserve renal function. To assist in the removal of a calculus or foreign body. To divert urine to…
1 Describe embolotherapy and some of its indications. Embolotherapy is temporary or permanent vascular occlusion induced by the intravascular administration of materials via a percutaneous route. Embolization has various clinical applications, including control of bleeding; treatment of vascular malformations; and…
Endovascular Aneurysm Repair (EVAR) 1 What is the basic composition of a stent graft? A stent graft is composed of a metallic stent structure covered by a medical-grade fabric. The stents are typically made from stainless steel or nitinol (nickel…
1 What is an inferior vena cava (IVC) filter? An IVC filter is a device inserted percutaneously into the IVC designed to prevent pulmonary emboli (PE) originating from lower extremity deep vein thrombosis (DVT) and to maintain caval patency. 2…
1 What are the characteristics of a diagnostic catheter? Catheters may be selected for a specific application based on many characteristics ( Figure 66-1 ). Although there are numerous catheters, experience and personal preference play a large role in the…
1 What is the purpose of sedation and pain management during an interventional radiology procedure? The purpose is to enable a patient to tolerate a potentially painful procedure yet still maintain satisfactory cardiopulmonary function and the ability to cooperate with…