Clinical Experience with Percutaneous Peripheral Ultrasound Angioplasty
Conventional balloon angioplasty in peripheral arteries generally has a high primary success rate but there are limitations. Primary failure to either cross the lesion with a guide wire or successfully dilate the lesion occurs in approximately 10–20% of cases, usually when treating long occlusions. Simple stenoses may be resistant to successful dilatation, particularly if the lesion is eccentric or heavily calcified. Complications occur and are significant when there is extensive dissection, distal embolization, or acute closure from various mechanisms. In the long term, the restenosis rate may be high [e.g., up to 50% of superficial femoral artery (SFA) occlusions at 1 year], particularly in small vessels and when extensive disease has been treated.
KeywordsTitanium Catheter Ischemia Europe Aspirin
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