During percutaneous coronary interventions (PCI) for chronic total occlusion (CTO), prolonged procedures increase
the risk of excessive radiation exposure. These situations harbor a major concern to protect patients and personnel
in the cardiac interventional laboratory (CCL). Important questions regarding radiation safety for interventional cardiologists
performing PCI for CTO lesions are discussed and concrete applications are suggested.
Keywords: Chronic total occlusion, radiation safety, percutaneous coronary intervention.
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