Micrococcus luteus can cause relapsing and refractory peritoneal dialysis infection because it leads to strong biofilm formation. A 69-year-old woman who had undergone peritoneal dialysis (PD) visited the emergency department… Click to show full abstract
Micrococcus luteus can cause relapsing and refractory peritoneal dialysis infection because it leads to strong biofilm formation. A 69-year-old woman who had undergone peritoneal dialysis (PD) visited the emergency department complaining of cloudy peritoneal dialysate. She was initially given intraperitoneal cefazolin (1 g/day) and ceftazidime (1 g/day). Micrococcus luteus was detected in a culture test. Thus, ceftazidime was discontinued. She remained disease-free for 22 months until she developed PD-related peritonitis. We administered antibiotics for 21 days and thereafter identified 2 important clinical issues. Micrococcus species-related peritonitis can sometimes be cured without vancomycin. Furthermore, the provision of three weeks of sufficient treatment may be important.
               
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