Peritoneal dialysis-associated catheter infection caused by Mycobacterium abscessus in an elderly patient who was successfully treated with catheter removal
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An 89-year-old Japanese man on peritoneal dialysis (PD) was suspected of having a PD-associated catheter infection. He visited the hospital because of the discharge of pus from the exit site of his catheter. Gram staining of the pus showed Gram-positive bacilli, but these were acid-fast bacilli. The rapidly growing nontuberculous mycobacteria, Mycobacterium abscessus, was isolated. PD catheter removal and debridement were immediately performed. The patient received combination antibiotic therapy. His clinical course was good, but he required hemodialysis due to the discontinuation of PD. However, the patient and his family chose not to continue hemodialysis even when the symptoms of uremia appeared. Best supportive care was arranged by his primary care physician. M. abscessus is a rare causative organism for PD-associated catheter infections and is difficult to treat. In our case, a rapid and precise diagnosis was made using acid-fast staining and Mycobacterium culture. The risk of nontuberculous mycobacterial infections should be considered in patients on PD.
KeywordsMycobacterium abscessus Nontuberculous mycobacteria Peritoneal dialysis Exit-site infection Tunnel infection Peritonitis
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Conflict of interest
The authors declare no conflict of interest associated with this manuscript.
Human and animal rights
The article does not contain any studies involving human or animal participants.
Informed consent was obtained from the patient’s family due to the patient’s ineligibility in the present study.
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