Pta

Author:Prof. Dr. med. Peter Altmeyer

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Last updated on: 29.10.2020

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Synonym(s)

Balloon catheter dilatation

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DefinitionThis section has been translated automatically.

Acronym for "percutaneous transluminal angioplasty".

General definitionThis section has been translated automatically.

Interventional procedure in which an arterial stenosis (narrowing) or occlusion is dilated or reopened with a (balloon dilatation = angioplasty).

Preferred interventional sites for PTA are the coronary arteries (PTCA = percutaneous transluminal coronary angioplasty), the A. Iliaca, the a. femoralis, the A. renalis and the A. carotis.

Usually the access is via the groin region. After puncture of the artery, a wire is inserted into the artery through a sheath. This guide wire is pushed over the constriction or through the occlusion. The balloon catheter is then advanced over the guide wire and inflated under fluoroscopic control. This procedure expands the vessel.

Often a stent is implanted afterwards.

Authors

Last updated on: 29.10.2020

Author: Prof. Dr. med. Peter Altmeyer