Abstract
Candida species form biofilms, facilitating adherence to peritoneal dialysis (PD) catheters and making them less susceptible to antifungal therapy. Therefore, the International Society for Peritoneal Dialysis recommends immediate PD catheter removal in case of Candida peritonitis. However, in 2007, our institution showed that Candida peritonitis could be successfully treated without catheter removal with a treatment strategy including amphotericin B as catheter lock. To confirm the efficacy and safety of this lock-based protocol, we evaluated the outcome of Candida peritonitis episodes since then. A retrospective, single-centre study was conducted in which we analysed all Candida peritonitis episodes in PD patients, treated with the lock-based protocol between July 2006 and March 2018. Eleven non-relapse Candida peritonitis episodes in 10 patients were treated with the lock-based protocol. Seven of the 11 episodes (64%) were cured without PD catheter removal (5 episodes cured immediately, 1 episode cured after an early relapse and 1 episode cured after a late relapse), in 2 episodes (18%) the catheter had to be removed, and two patients died (18%). This study confirms our previous findings that an amphotericin B lock-based protocol has potential to cure Candida peritonitis without PD catheter removal. However, further research is needed given the limitations of this study. Until that time, the lock-based Candida protocol could be used in patients who are not severely ill and in whom PD catheter removal is not desirable.
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