INTRODUCTION: The aim of this study is to compare the patency rates of catheter placement METHOD: We conducted a retrospective analysis of 30 patients admitted to our department due to TCC loss. Among them, 11 patients underwent catheter reinsertion RESULTS: In both groups of patients, there were no cases of pneumothorax, severe adjacent artery injury, or mediastinal hematoma observed. The one-year primary patency rates of the catheters in the EVJ group and the BCV group were 54.55% and 36.84%, and the primary patency rates of two years were found to be 27.27% and 21.05% respectively. There was no statistically significant difference in the patency rates at both 1 and 2 years ( CONCLUSION: In the face of patients experiencing TCC loss, the practice of replacing dialysis catheters via the right EJV and right BCV routes emerges as a safe and efficacious alternative strategy. Notably, no difference in catheter patency rates is observed between these divergent access routes.