Background: Peritoneal catheter displacement appears to be related to various causes including omental attachment, bowel contractions, peritoneal adhesions, and the catheter floating in the dialysis fluid. In order to prevent this complication, which can impair peritoneal dialysis efficacy, Di Paolo et al. designed a 'self-locating catheter' (SLC) that is similar to the Tenckhoff catheter (TC) and includes a small tungsten cylinder (weight 12 g) at the distal end. The weight of the tip prevents the catheter from floating and migrating by gravitation toward the Douglas cavity. Objective: Starting in 1996, we implanted SLC in 15 continuous ambulatory peritoneal dialysis patients. The aim of our study was to compare the ratio of migration and other catheter-related complications between patients with SLC (196 patient-months) and 13 patients with conventional straight TC (295 patient-months). Results: Peritonitis ratio, catheter complication rate, dialysate inflow and outflow, and weekly creatinine clearance were similar in the two groups of patients. The incidence of catheter displacement was significantly higher (p = 0.0349) in the TC group than in the SLC group (4 vs 0). Conclusion: In our experience, the SLC seems to be useful in preventing catheter migration by continuous gravitation of its extremity toward the pelvic cavity.

The self-locating catheter: Clinical evaluation and comparison with the Tenckhoff catheter

FABBIAN, Fabio
1999

Abstract

Background: Peritoneal catheter displacement appears to be related to various causes including omental attachment, bowel contractions, peritoneal adhesions, and the catheter floating in the dialysis fluid. In order to prevent this complication, which can impair peritoneal dialysis efficacy, Di Paolo et al. designed a 'self-locating catheter' (SLC) that is similar to the Tenckhoff catheter (TC) and includes a small tungsten cylinder (weight 12 g) at the distal end. The weight of the tip prevents the catheter from floating and migrating by gravitation toward the Douglas cavity. Objective: Starting in 1996, we implanted SLC in 15 continuous ambulatory peritoneal dialysis patients. The aim of our study was to compare the ratio of migration and other catheter-related complications between patients with SLC (196 patient-months) and 13 patients with conventional straight TC (295 patient-months). Results: Peritonitis ratio, catheter complication rate, dialysate inflow and outflow, and weekly creatinine clearance were similar in the two groups of patients. The incidence of catheter displacement was significantly higher (p = 0.0349) in the TC group than in the SLC group (4 vs 0). Conclusion: In our experience, the SLC seems to be useful in preventing catheter migration by continuous gravitation of its extremity toward the pelvic cavity.
1999
Cavagna, R.; Tessarin, C.; Tarroni, G.; Casol, D.; De Silvestro, L.; Fabbian, Fabio
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11392/1400445
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