в отличие от более радикального удаления
https://www.elsevier.es/en-revista-revista-brasileira-cardio...
Coronary rotational atherectomy (RA), at the time of its introduction, in 1988,1 became popular as an alternative mechanical ablative approach to conventional balloon angioplasty, differentiating itself by obtaining luminal gain, through reduction of the atherosclerotic plaque content.
In this context, RA started to be used again as an adjunct tool for percutaneous coronary intervention. Instead of the more aggressive strategy employed in the past, the present proposal includes smaller-caliber burrs and lower rotational velocity, for a geometric modification of the atherosclerotic plaque, followed by lesion dilation with balloons and other devices that, together, allow for stent implantation with adequate expansion of its struts.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4274140/
A single burr approach is preferred with a burr-to-artery ratio of 0.5:0.6, which is more preferable for plaque modification rather than maximum debulking.
https://www.revportcardiol.org/en-rotational-atherectomy-tec...
The first trials compared rotational atherectomy with other plaque-reducing (debulking) techniques such as directional coronary atherectomy (DCA) and laser therapy7,8 that are seldom used today