Abstract

CARVAO, João; MATIAS, Patrícia; MIRCO, Ana  and  BRANCO, Patrícia. Successful Treatment of Sthaphylococcus Peritonitis Using Oral Linezolid Without Catheter Removal in a Peritoneal Dialysis Patient. Port J Nephrol Hypert [online]. 2023, vol.37, n.1, pp.28-30.  Epub Mar 30, 2023. ISSN 0872-0169.  https://doi.org/10.32932/pjnh.2023.02.222.

Peritonitis is one of the main complications of peritoneal dialysis and accounts for considerable mortality and hospitalization. It is usually treated with intraperitoneal antibiotherapy, as it is the best way to achieve high concentrations at the site of infection. We report a case of an 86-year-old female patient with end-stage renal disease under continuous ambulatory peritoneal dialysis, who was admitted to our hospital with complaints of intense diffused abdominal pain. The effluent culture yielded Staphylococcus hominis only sensible to vancomycin and linezolid. She was diagnosed with peritonitis secondary to Staphylococcus hominis infection and treated with oral linezolid without cateter removal. Adequate linezolid peritoneal fluid concentration (between 3 and 20 μg/mL) was achieved and the antibiotic therapy was maintained for 21 days with clinical and analytical improvement. According to our knowledge, this was the first Staphylococcus peritonitis in a peritoneal dialysis patient, successfully treated with oral linezolid and has had linezolid levels monitored in the peritoneal dialysis effluent.

Keywords : Linezolid; Peritoneal Dialysis; Peritonitis; Renal Insufficiency, Chronic.

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