Current Status of Coronary Atherectomy
There are several techniques for performing coronary atherosclerotic plaque modification, known as atherectomy. Historically, clinical trials show mostly equivalence between various coronary atherectomy techniques, balloon angioplasty, and percutaneous coronary stenting. In the last several years the use of a given atherectomy technique has been mostly as a means of facilitating stent delivery in vessels that are heavily calcified. No clinical trials have shown superiority of any atherectomy method over more standard techniques of percutaneous coronary intervention. This review begins with a discussion of directional atherectomy, which is no longer available. The rotational atherectomy technique and its clinical trial data are presented. Orbital atherectomy is then discussed in detail, including the relevant clinical trials. Finally, laser atherectomy techniques are reviewed, and the pertinent trial data are presented. Lastly, future directions are detailed.
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Document Type: Research Article
Affiliations: Division of Cardiovascular Medicine, Department of Medicine, University of Florida, 1600 S.W. Archer Rd., P.O. Box 100277, Gainesville, FL 32610-0277, USA
Publication date: January 1, 2018