6 Questions
What is the main purpose of Percutaneous Transluminal Angioplasty (PTA)?
To dilate or reopen stenotic or occluded areas within a vessel
What significant disadvantage does the 'Dotter Method' have in PTA procedures?
Creates an arteriotomy as large as the dilating catheters
In the PTA procedure, what is the purpose of passing a guide wire through the narrowed area of a vessel?
To guide the insertion of the catheter through the stenosis
Who introduced the double-lumen, balloon-tipped catheter in PTA procedures?
Gruntzig and Hopff
What substances are typically used to inflate the balloon in a balloon-tipped catheter during PTA?
Diluted contrast medium mixture
What determines the duration of balloon inflation in PTA procedures?
The degree of stenosis and the vessel being treated
Learn about the therapeutic radiologic procedure of PTA, designed to open up stenotic or occluded areas in blood vessels using a catheter. Understand the steps of the procedure involving guide wires and catheters introduced through the Seldinger technique.
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