Percutaneous Transluminal Angioplasty (PTA)
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Questions and Answers

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?

  • 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?

  • 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?

    <p>Gruntzig and Hopff</p> Signup and view all the answers

    What substances are typically used to inflate the balloon in a balloon-tipped catheter during PTA?

    <p>Diluted contrast medium mixture</p> Signup and view all the answers

    What determines the duration of balloon inflation in PTA procedures?

    <p>The degree of stenosis and the vessel being treated</p> Signup and view all the answers

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