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Advanced Modalities

Interventional Rad

QuestionAnswer
This is a therapeutic procedure designed to dilate or reopen stenotic or occluded area in a vessel: Percutaneous Transluminal Angioplasty
PTA: Percutaneous Transluminal Angioplasty
PTA is often performed at the same time and through the same _____________ site as the initial _____________. Catheterization; Angiogram
___________ _____________ is used to dilate strictures in venous structures, ureters, and GI Tract. Balloon Angioplasty
Balloon angioplasty is used to __________ strictures in __________ structures, ____________, and _____ ___________. Dilate; Venous; Ureters; GI Tract
During Balloon Angioplasty a double lumen tube is used. One lumen allows for the passage of the ________ and ___________ and the other lumen does what? Wire and Fluids; Communicates with the balloon on the distal end
During Balloon Angioplasty, the balloon is inflated with __________ __________ __________ for ________ to ______ seconds depending upon the ___________ of stenosis. Diluted contrast medium; 15 to 45 seconds; Degree of stenosis.
After the Balloon has been inflated during Balloon Angioplasty what two options are there for the balloon? Deflated and repositioned or withdrawn
What is performed after a balloon angioplasty to determine the success of the procedure? A repeat angiogram using the initial cathertization.
Transluminal Angioplasty can be performed in which vessels? Virtually any vessel that can be reached percutaneously with a catheter
What is the most common form of arterial stenosis treated by PTA? Atherosclerosis
What is the best way to treat long segments of vessel occlusion? Surgery
Balloon Angioplasty is not ___________ the plaque surrounding the vessel but instead it's ____________ the ___________ of the artery. Compressing; enlarging the diameter
The typical reason for restenosis is the result of new ___________ of ____________ and not arterial wall ____________. Deposits of plaque; not arterial wall collapse
In addition to Balloon Angioplasty, another new technique is percutaneous _____________ which _______________ the plaque. Atherectomy; Micropulverizes
Another new technique are vascular ___________ which permanently remain in the vessel. Stents
Where are most PTA procedures conducted? Radiology Angiographic Suite
PTCA: Percutaneous Transluminal Coronary Angioplasty
Where are most PTCA's performed and why? In the Cardiac Cathetherization Lab because of potentially serious cardiac Complications
This is a procedure that involves therapeutic introduction of various substances to occlude or drastically reduce blood flow within a vessel: Transcatheter Embolization
What are 3 main reasons for Transcatheter Embolization? 1)Stops active bleeding sites 2)Control blood flow to diseased or malformed vessels (e.g., Tumors or AVMs) 3)To stop or reduce blood flow to an area before surgery
_____________ ___________ are used to temporarily reduce blood flow by constricting vessels. Vasoconstricting Drugs
Coils are used to _____________ and are initially __________ as it is introduced into a catheter. Occude; Straight
______________ ____________ __________ are indicated for a patient with some type of ureteral or bladder blockage that causes ______________. Percutaneous Nephrostomy Tube; Hydronephrosis
If urine is not eliminated from the kidney, _________ failure with _________ may occur as well as ___________. Renal Failure; Necrosis; Sepsis
_____________ _________ is a catheter with multiple side holes at the distal end through which urine can enter and be drained. Nephrostomy Tube
_____________ _____________ _________ is used to trap emboli to prevent _____________ embolism resulting from deep vein thrombosis from lower limbs. Inferior Vena Cava Filter; Pulmonary Embolism
Inferior Vena Cava filters come in a __________ of shapes and delivered via a _____________ system. Variety; Catheter
How are the Inferior Vena Cava filters shaped for use? They assume their functional shape as they are released
_____________ _____________ is a comprehensive term used to describe a minor surgical procedure involving the introduction of special catheters into the ____________, __________ ____________ and ____________ ___________. Cardiac Catheterization; Heart; Great Vessels; Coronary Arteries
During Cardiac Catheterization, both ____________ and ____________ treatments may be done in a single procedure. Diagnostic and Therapeutic
Why is Cardiac Catheterization performed? To identify the Anatomic and Physiologic condition of the heart
What is the most common disorder necessitating Cardiac Catheterization? Coronary Artery Disease
Cardiac Catheterization procedures require ___________ ____________ exposure times for __________________ sequencing to capture motion. Extremely short exposure times; Rapid-Exposure Sequencing
How many images (frames) are obtained during Cardiac Catheterization procedures? 15 to 30 Frames/Sec
What kind of resolution is required during Cardiac Catheterization procedures and why? High Resolution to image small structures
Storage requirements for Cardiac Catheterization procedures require _________ storage for ___________ amounts of ________ data. Long-term; Large; Digital data
The radiographic examination of the Lymphatic System (Lymph Vessels and nodes) using contrast media is _____________. Lymphography
The anatomy of the Lymphatic system contains ______ ____________ sets: Which are: 2 Communicating Sets; Superficial and Deep
The Lymphatic System collects ________ from ____________ spaces and transports it to _____________________ system. Collects fluid from tissue spaces and transports it to Blood-Vascular System
The Lymphatic System drains the collected fluid from tissue spaces into where? The junction of the Left Subclavian and Internal Jugular Veins
Lymphography is primarily used today to assess the _____________ ____________ of ____________. Clinical Extent of Lymphomas
Why is Lymphography seldom used today? Because of advances in CT and MRI
The specific study of Lymph Vessels is ________________ and is carried out how soon after the injection of contrast material? Lymphangiography; Within 1 hour after injection
Created by: foster1317