A Rare Complication of Peritoneal Dialysis (PD) Catheter: Perforation of Sigmoid Colon by Migrating Tip of Peritoneal Dialysis Catheter

Sabahat Afshan, Truman M Earl, Christopher D Anderson, Mehul Dixit
American Journal of Case Reports 2020 July 16, 21: e922828
BACKGROUND Peritoneal dialysis (PD) has benefits over hemodialysis (HD), including the ability of daily performance at home without interfering with important activities such as school attendance in children. However, there are risks and complications associated with it. This is the third pediatric case report of a dormant PD catheter tip perforating the colon and protruding through the anus, but without peritonitis, as would be highly expected. CASE REPORT A 12-year-old male with ESRD secondary to obstructive uropathy received a pre-emptive deceased donor kidney transplant that failed within a few days due to thrombosis secondary to factor V Leiden deficiency. Transplant nephrectomy was performed and several months later he was started on PD. Subsequently, due to multiple episodes of catheter drain failure, the modality was switched to HD with a plan to remove the PD catheter later. Two months after discontinuing PD, he presented to the Emergency Department with the catheter tip protruding through the anus and he was asymptomatic. Abdominal X-ray (AXR) and CT scans were performed. The PD catheter was removed and the colon was repaired by proctosigmoidoscopy and laparotomy. Five years later, he continues to be on HD by preference, with arteriovenous fistula (AVF), without any complications of perforation. CONCLUSIONS There are 2 cases previously reported in children with colonic perforation by the tip of a PD catheter without signs and symptoms of peritonitis, but those patients were on immunosuppression after kidney transplant. Our patient is unique because he was not on immunosuppression.

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