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[[file:PTA.jpg|200px|thumb|'''Figure 4:''' Percutaneous Transluminal Angioplasty (PTA) of the superficial femoral artery (SFA). Left image: subtotal calcified occlusion a) with many collaterals b); Right image: good patency after ballon PTA]]
→Interventional Procedures
==Interventional Procedures==
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[[file:PTA.jpg|200px|thumb|left|'''Figure 4:''' Percutaneous Transluminal Angioplasty (PTA) of the superficial femoral artery (SFA). Left image: subtotal calcified occlusion a) with many collaterals b); Right image: good patency after ballon PTA]]
Interventional procedures using ionising radiation have revolutionised medicine in the past few decades for therapy and palliation, resulting in more patients being offered treatments that would not have been possible before with more invasive open surgery. The vast majority of interventional procedures are performed as “minimal invasive percutaneous therapies”.
After CT, Interventional radiology is the second largest collective source of medical radiation exposure and, together with nuclear medicine the highest source of exposure to healthcare providers. ICRP has provided practical advice for physicians and other healthcare providers on the protection of patients and themselves involved in the interventions, for example in the following publications:
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