TCTAP C-158 Minimal Contrast Use for Chronic Total Occlusion Intervention in a Patient with Chronic Renal Failure

### Patient initials or identifier number A 60-year-old man ### Relevant clinical history and physical exam This is a 60-year-old man has history of nephrotic syndrome with chronic kidney disease stage V, hypertension, dyslipidemia for more than 10 years. He had effort angina for several months.