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  • Title: Persistent exit-site/tunnel infection and subcutaneous cuff removal in PD patients.
    Author: Suh H, Wadhwa NK, Cabralda T, Bonanno J, Wasiluk A, Sorrento J.
    Journal: Adv Perit Dial; 1997; 13():233-6. PubMed ID: 9360689.
    Abstract:
    The purpose of our study was to investigate catheter outcome of persistent exit-site/tunnel infections (ESI/TIs) in peritoneal dialysis (PD) patients. The patients underwent removal of subcutaneous cuff due to persistent ESI/TI from January 1989 to December 1996 in a tertiary referral university hospital. Two hundred and twenty-three patients (138 male, 85 female) underwent 244 double-cuff coiled Swan neck catheter implantations surgically. Twenty-nine patients (11.8%) had persistent ESI/TI for more than 6 months with the same organism. Sixteen patients (52%) underwent subcutaneous cuff excision. Thirteen (48%) patients refused and were managed conservatively. Two hundred and forty-three episodes of ESI/TI were observed over 4970 patient-months with a rate of 0.58 episodes/patient/year. Twenty-nine patients (11.8%) had persistent ESI/TI with S. aureus in 19, Pseudomonas aeruginosa in 9 (31%), and Serratia marcescens in one (3%) patient. Fourteen (88%) persistent ESI/TIs resolved after subcutaneous cuff excision. None of the patients with ESI/TI responded to conservative treatment. ESI/TI-related peritonitis decreased from 11 episodes to 5 episodes after cuff excision. In contrast, episodes of peritonitis increased from one to 9 with conservative management during a follow-up of mean 18 months (4-38 months). Four (31%) catheters were lost in the conservative group, while 3 (19%) were lost after cuff excision. ESI/TI-related peritonitis decreased after subcutaneous cuff excision but increased with conservative management for ESI/TI. ESI/TI resolved in 88% of the patients after cuff excision, while none resolved with conservative treatment.
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