Plaque Modification In The 21st Century - The First Hungarian Experiences With Intravascular Lithoplasty
ORVOSI HETILAP(2021)
Abstract
Percutaneous intervention of stenoses caused by highly calcified plaques utilizing the currently widely available methods is not possible due to technical difficulties in several cases. Increased resistance of calcified plaques against balloon dilation due to their calcium content plays a leading role in procedural failure, as stent crossing becomes impossible as well. Classical methods of plaque modification for debulking the calcification of such lesions - such as rotablation, cutting and ultra-high pressure non-compliant balloons - do not resolve this issue, especially when calcification exceeds 50% of the vessel diameter. A new method, referred to as intravascular lithoplasty in the literature, has recently been developed to break the calcium and thus promote stent deployment in such lesions. In our current work, we summarize the experience gathered with this method during the treatment of extremely calcified lesions of 4 patients with good angiographic result. As a conclusion, intravascular lithoplasty is a promising new interventional method in the treatment of massively calcified coronary lesions.
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Key words
vascular calcification, coronary stenosis, drug-eluting stents, angioplasty, OCT, IVUS
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