Endovascular rotational atherectomy for multivessel coronary calcification involving the main trunk of left coronary artery and the left anterior descending artery

The revascularization strategy for severe calcification is one of the most pressing problems of modern percutaneous coronary interventions, since it is observed more and more often and significantly complicates traditional endovascular treatment. Currently, the method of choice for severe coronary calcification is rotational atherectomy, which allows modification of atheromatous mass with an increase in the vessel lumen to allow satisfactory balloon angioplasty and stenting. This article presents a case of a patient at very high cardiovascular risk with a burdened coronary history and severe clinical symptoms of exertional angina while receiving the optimal multiagent therapy. The examination revealed a multivessel coronary calcification, but the patient was denied coronary artery bypass grafting due to high perioperative risks. SYNTAX (Synergy between Percutaneous Coronary Intervention with TAXUS and Cardiac Surgery score) score I – 25,5 points, SYNTAX score II — 40,4% and 70,1% for percutaneous coronary intervention and coronary bypass surgery, respectively, European System for Cardiac Operative Risk Evaluation (EuroSCORE II) — 4,95%. Attempts at traditional percutaneous intervention were unsuccessful and the patient underwent endovascular rotational atherectomy followed by stenting of affected coronary segments, against the background of which there was an improvement in exercise tolerance with a decrease in angina class.

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