Abstract
Background:
Cat ownership is common in peritoneal dialysis (PD) patients, even with recent guidelines recommending avoiding domestic animals during PD exchanges to limit the risk of peritonitis due to pet contamination. We analysed the outcomes of patients who experienced cat-related peritonitis compared with those who experienced peritonitis due to other causes.
Methods:
This retrospective study based on the Registre de Dialyse Peritoneale de Langue Française data analysed the outcomes of 52 patients experiencing cat-related peritonitis from the beginning of the database (1986) until 21 June 2022 compared with those of 208 matched patients experiencing peritonitis due to other causes. A Cox regression model examined the association between cat-related peritonitis and the composite end point of death in PD or transfer to haemodialysis (HD), death in PD and transfer to HD.
Results:
Among patients with an episode of cat-related peritonitis, 11 (21.1%) died, 19 (36.5%) were transferred to HD and 11 (21.1%) were transplanted. In the group with other causes of peritonitis, these numbers were 67 (32%), 81 (39%) and 26 (12.5%), respectively. In multivariate survival analysis, age (hazard ratio (HR): 1.39; 95% confidence interval (CI): 1.13–1.70) and use of assisted PD (HR: 4.07; 95% CI: 2.11–7.86) were associated with the risk of death. Having experienced cat-related peritonitis was not significantly associated with any of the three outcomes (death, transfer to HD or PD cessation).
Conclusions:
Patients on PD should be aware that cats may cause a peritoneal infection, which results in similar consequences to those of other causes of peritonitis. However, pets at home should not be considered a contraindication to PD.
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