Peritoneal catheter survival: The impact of unroofing
Journal Title: Archives of Clinical Nephrology - Year 2017, Vol 3, Issue 2
Abstract
Background: Unroofing is a controversial procedure to avoid catheter removal in the treatment of the chronic exit site and tunnel infection, but is now rarely recommended. Here we aimed to evaluate the effects of the unroofing procedure on peritoneal catheter survival. Methods: From our database, we prospectively evaluated the outcome of 139 peritoneal catheters placed in 121 patients (1.14 catheters per patient, 73 female, 48 male) from 08-03-1993 to 12-31-2016. Twenty-three infected catheters needed surgical unroofing of the tunnel tract. We calculated the cumulative catheter survival rates (Kaplan-Meier) of 1) overall catheters and 2) not unroofed catheters, considering catheter removal as an endpoint. We also calculated 3) the unroofed catheter survival, considering the date of unroofing or catheter removal as the endpoint and, 4) continuity of the unroofed catheters post-unroofing, considering the unroofing date as if it were a new catheter and catheter removal as the endpoint. Likewise, we compared the survival of: a) unroofed catheters vs. continuity of the unroofed catheters and, b) no unroofed catheters vs. continuity of the unroofed catheters (Log-rank test) (significance value P< 0.05). Results: 1) The overall catheter survival rates were 94%, 84%, 76%, 55%, 40% and 26% at 12, 36, 60, 84, 120 and 210 months respectively. 2) The not unroofed catheter survival rates were 93%, 83%, 77%, 59%, 44% and 44% at 12, 36, 60, 84, 120 and 210 months respectively. 3) The unroofed catheter survival rates were 84%, 53%, 31%, 23% and 9% at 12, 36, 60, 84 and 120 months respectively. 4) The post-unroofed catheters survival rates were 91%, 77%, 66%, 66%, 50% and 33% at 12, 36, 60, 84, 120 and 160 months respectively. We detected a statistical significance when comparing unroofed catheters vs. continuity of the unroofed catheters and no statistical significance was observed when comparing not unroofed catheters vs. continuity of the unroofed catheters post-unroofed. Conclusion: The overall catheter survival was satisfactory. Unroofing contributed significantly in the lifespan of the catheters.
Authors and Affiliations
Barone RJ, Beresan M, Pattin M, Gimenez NS, Berga G, Santopietro M, Ramirez L
Keywords
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- EP ID EP345005
- DOI 10.17352/acn.000027
- Views 52
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