Clinical Efficacy Observation of Low-Position Double-Tunnel Peritoneal Dialysis Catheterization

Background To retrospectively compare the clinical efficacy of the low-position double-tunnel and the traditional peritoneal dialysis (PD) catheterization. Materials and Methods A total of 156 patients diagnosed with stage V chronic kidney disease in our hospital from December 2016 to September 2023 were selected. Among them, 42 underwent low-position double-tunnel PD catheterization, 82 underwent laparotomy for PD catheterization, and 32 underwent laparoscopic PD catheterization. The differences in PD-related complications among the three groups during the follow-up period were collected and analyzed retrospectively. Results During the 6-month follow-up after the operation, the catheter displacement incidence in the low-position double-tunnel group was significantly lower than that in the control group, and the preservation of residual renal function was better than that in the control group ( p < 0.05 ). However, there were no significant differences among the three groups in terms of poor catheter drainage, the occurrence of peritonitis, and dialysis adequacy. During the 2-year follow-up after the operation, there were no obvious differences among the three groups in terms of catheter displacement, poor drainage, peritonitis, residual renal function, and dialysis adequacy. Additionally, the catheter survival rate among the three groups had a significant difference, but there was no difference in the basic survival rate among the groups. Conclusion Low-position double-tunnel method could better avoid the displacement of the PD catheter and better preserve the residual renal function in the first half year after the operation.