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Questions and Answers
What is the main purpose of Percutaneous Transluminal Angioplasty (PTA)?
What is the main purpose of Percutaneous Transluminal Angioplasty (PTA)?
- To remove blood clots from the vessels
- To close stenotic or occluded areas within a vessel
- To dilate or reopen stenotic or occluded areas within a vessel (correct)
- To create new vessels in the body
What significant disadvantage does the 'Dotter Method' have in PTA procedures?
What significant disadvantage does the 'Dotter Method' have in PTA procedures?
- Leads to blood clot formation
- Creates an arteriotomy as large as the dilating catheters (correct)
- Requires a longer recovery time
- Causes excessive bleeding
In the PTA procedure, what is the purpose of passing a guide wire through the narrowed area of a vessel?
In the PTA procedure, what is the purpose of passing a guide wire through the narrowed area of a vessel?
- To mark the location for further dilation
- To measure the length of the stenosis
- To guide the insertion of the catheter through the stenosis (correct)
- To identify the type of vessel being treated
Who introduced the double-lumen, balloon-tipped catheter in PTA procedures?
Who introduced the double-lumen, balloon-tipped catheter in PTA procedures?
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What substances are typically used to inflate the balloon in a balloon-tipped catheter during PTA?
What substances are typically used to inflate the balloon in a balloon-tipped catheter during PTA?
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What determines the duration of balloon inflation in PTA procedures?
What determines the duration of balloon inflation in PTA procedures?
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