• Ping-Kun Hsiao, Wei-Je Wong, Su-I Hsieh, Hsiu-Ying Lin, Tzay-Jinn Chen, and Chung-Yi Cheng.
• Department of Surgery, Wan Fang Hospital, Taipei Medical University, No. 111 Sec. 3, Xinlong Rd, Taipei 11696, Taiwan.
• Medicina (Kaunas). 2024 Oct 21; 60 (10).

AbstractBackground and Objectives: Chronic kidney disease (CKD) poses a significant global health challenge, necessitating effective renal replacement therapies. Peritoneal dialysis (PD) offers a patient-friendly, home-based alternative to hemodialysis. The Stepwise Initiation of Peritoneal Dialysis (SIPD) method, used in the SPD group and involving a gradual introduction of PD, presents a potential advantage over traditional protocols, yet the scientific literature on its efficacy and safety is limited. Materials and Methods: We conducted a retrospective analysis of 39 end-stage renal disease patients undergoing SIPD and 78 patients receiving conventional PD (CPD) at a single center from 1 January 2010 to 31 December 2023. Patients were matched for age and sex. Surgical techniques, early and late complications, infection rates, and catheter survival were evaluated. Data were analyzed using statistical methods, including the chi-square test, t-test, and negative binomial regression. Results: The mean break-in period was significantly more extended for the SPD group (176.05 ± 154.39 days) compared to the CPD group (26.87 ± 58.45 days). Early complications were similar between groups, but late complications, including peritonitis, were significantly higher in the CPD group. The SPD group experienced fewer infection events (28 vs. 80, p = 0.043). Median catheter survival times were 1486 days for SPD and 1774 days for CPD, with no statistical difference. Age was a significant factor in peritonitis incidence, increasing with age in both groups. Conclusions: Our study suggests that SPD may reduce the incidence of catheter-related infections and peritonitis compared to CPD. The extended break-in period in SPD could enhance tissue healing and reduce biofilm formation, thereby contributing to fewer infectious complications. Despite these findings, no significant difference in overall catheter survival was observed. Further multi-center studies with larger sample sizes are recommended to confirm these results and explore the economic impact of SPD vs. CPD.

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