A completely blocked coronary artery can be difficult to treat, particularly when a previous angioplasty has failed or bypass surgery is considered too risky. Chronic Total Occlusion, commonly called CTO, refers to a https://ctoangioplastyindia786030.pointblog.net/cto-pci-in-india-treatment-options-for-a-100-blocked-coronary-artery-97202934