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JOURNAL ARTICLE
REVIEW
Minimizing the risk of contrast-induced nephropathy and hemodynamic collapse during chronic total occlusion percutaneous coronary intervention with a percutaneous left ventricular assist device.
Candidates for percutaneous coronary revascularization are becoming progressively older and more complex. A combination of factors related to the patient, lesion, and/or hemodynamic conditions may increase the risk of adverse events. Therefore, when a high-risk procedure is identified, it is crucial to provide the patient with adequate support in order to safely perform percutaneous coronary intervention (PCI). We report the case of a 77-year-old man with moderate left ventricular dysfunction and stage IV chronic kidney disease who underwent successful recanalization of a chronically occluded left anterior descending artery. The procedure was performed with a micro-axial percutaneous left ventricular assist device (Impella 2.5) in order to provide stable hemodynamics, and with minimal contrast medium administration (14 ml) to minimize the risk of acute kidney injury. Despite the use of aggressive techniques (including rotational atherectomy), the patients remained stable throughout the procedure and did not experience contrast-induced nephropathy or periprocedural myocardial infarction, and was discharged two days later. Moreover, we provide recommendations to assist interventional cardiologist safely perform complex and high-risk PCI, with particular attention to renal function preservation.
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