Abstract

CARRANZA, Lorena et al. TUNNEL UNROOFING EFFECTIVENESS IN CHRONIC PERITONEAL CATHETER INFECTION. Rev. nefrol. dial. traspl. [online]. 2015, vol.35, n.2, pp.64-68. ISSN 2346-8548.

Introduction: Chronic catheter infection usually involves external Dacron cuff colonization, without its removal, antibiotic treatment proved ineffective. Catheter unroofing technique has been described as an alternative to peritoneal catheter removal. Material and methods: We analyzed the data from 13 patients retrospectively. Evolution after unroofing was evaluated, considering as treatment failure the appearance of new infection in the hole, tunnel or peritonitis associated to the same germ. Results: Between 1997-2014 years, unroofing was performed on 13 patients. Mean age-rate: 46.2 (IC 95%: 35.9 years - 56.5 years) male sex 9, 69.23%. Germs: staphylococcus 7, pseudomona 2, polymicrobial 1, negative culture 3. Nine patiens healed: 69.2%; there was no statistical association among sex, age, microbiological result, previous hemodialysis use, type of catheter, surgical technique or with the surgeon who performed the procedure (pe" 0.05). Discussion: Catheter removal implies transient transference to hemodialysis and new replacement surgery, although there is few experience with this technique, it could be an acceptable alternative, enabling a group of patients to continue with PD treatment. Conclusion: Unroofing technique proved to be beneficial in 69.2% of the cases (9 patients) independently of the type of germ present, representing an acceptable treatment which avoids catheter removal, enabling the procedure to continue, and decreasing the need to employ more aggressive therapies.

Keywords : peritoneal catheter; roofless tunnel; chronic infection; dacron cuff.

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