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Outcome following staphylococcal peritonitis
S J Peacock1, P A Howe, N P Day
1Nuffield Department of Pathology and Bacteriology, The Oxford Radcliffe Hospital NHS Trust, Oxford, United Kingdom. sharon.peacock@ndp.ac.ox.uk
Summary
Staphylococcus aureus peritonitis, a common complication in continuous ambulatory peritoneal dialysis (CAPD), leads to higher rates of catheter removal and conversion to hemodialysis compared to coagulase-negative staphylococci. Effective prevention strategies for S. aureus are crucial.
Area of Science:
- Nephrology
- Infectious Diseases
- Clinical Medicine
Background:
- Staphylococcus species are primary causes of peritonitis in patients undergoing continuous ambulatory peritoneal dialysis (CAPD).
- This study compares the clinical outcomes of peritonitis caused by Staphylococcus aureus versus coagulase-negative staphylococci (CoNS) in CAPD patients.
Observation:
- A prospective observational study was conducted in a single regional dialysis unit.
- Data from 37 patients with S. aureus peritonitis and 65 patients with CoNS peritonitis (July 1990-November 1995) were analyzed.
- Survival analysis focused on time to death, catheter removal, and conversion to hemodialysis, alongside abdominal complication rates.
Findings:
- While no significant difference in mortality was observed between S. aureus and CoNS peritonitis groups, S. aureus infections were linked to two deaths during treatment.
- Five patients with S. aureus peritonitis experienced serious abdominal complications.
- Patients with S. aureus peritonitis had significantly shorter times to peritoneal dialysis catheter removal and conversion to hemodialysis.
Implications:
- Staphylococcus aureus peritonitis represents a serious complication in CAPD patients, necessitating prompt and effective management.
- The findings underscore the critical need for robust preventive measures targeting S. aureus infections in CAPD populations.
- Early recognition and intervention for S. aureus peritonitis may be vital to mitigate severe outcomes such as catheter loss and dialysis modality change.