The experience with using the radial artery (RA) includes 561 patients. RA was used in 203 minimally invasive operations on the working heart and in 358 traditional operations with extracorporeal circulation. Early postoperative ultrasonic and angiographic examinations have shown high immediate patency of RA. The loading tests have revealed the absence of syndrome of hypoperfusion and good tolerance to physical exercise of the patients. Long-term results up to 8 years were followed-up in 231 patients. The average period of observations of 4.3 years showed the survival in 97.9% of cases, acute myocardial infarction was endured by 6.3% of the patients, recurrent stenocardia took place in 8.3%. The investigation of RA have shown good immediate and long-term results of the clinical application of it, that allows this conduit to be recommended for a wider use in coronary surgery.