Ana Piedade
* 
, António Inácio
, Beatriz Mendes
, Patricia Domingues
, Patrícia Valério
, Lúcia Parreira, José Assunção
1 Nephrology Department, Setubal Hospital Center, Setúbal, Portugal
Abstract
Peritonitis is a common and serious complication of peritoneal dialysis (PD), associated with significant morbidity. Most peritoneal dialysis-associated peritonitis (PD peritonitis) is caused by gram-positive bacteria group. Gram-negative bacteria are uncommon but have a poor prognosis, associated with an increased likelihood of catheter loss, hospitalization, and death. Chryseobacterium indologenes is a gram-negative, glucose non-fermenting, aerobic oxidase and catalase positive bacillus. It is a rare cause of PD peritonitis, especially in Europe. We report a case of a 75-year-old man who has under automated peritoneal dialysis for 8 months, presenting with a PD peritonitis caused by C. indologenes. The patient was successfully treated with intraperitoneal ceftazidime therapy without the need to remove the PD catheter. This case shows the importance of considering uncommon causes of PD peritonitis, such as C. indologenes, as well as the importance of home visits to patients on PD with the aim of detecting technique errors.
Implication for health policy/practice/research/medical education:
Peritoneal dialysis-associated peritonitis caused by gram-negative bacteria are uncommon and have a poor prognosis, associated with an increased likelihood of catheter loss, hospitalization, and death. Chryseobacterium indologenes is a gram-negative infection ant it is a rare cause of peritoneal dialysis peritonitis, especially in Europe. We report the third case in Europe of peritoneal dialysis peritonitis by C. indologenes. This case shows the importance of considering uncommon causes of peritoneal dialysis peritonitis, such as C. indologenes, as well as the importance of home visits to patients on peritoneal dialysis with the aim of detecting technique errors.
Please cite this paper as: Piedade A, Inácio A, Mendes B, Domingues P, Valério P, Parreira L, Assunção J. Chryseobacterium indologenes peritonitis in automated peritoneal dialysis patient; rare but real. J Nephropathol. 2025;14(1):e21538. DOI: 10.34172/jnp.2025.21538.