Comparison of infectious complications in peritoneal dialysis patients using either a twin‐bag system or automated peritoneal dialysis

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Abstract
Background. Automated peritoneal dialysis (APD) and twin‐bag (TB) systems are two major peritoneal dialysis (PD) modalities. Published data comparing the infectious complications of these modalities is limited. Subjects and methods. Ninety‐five patients using APD (the APD group) and 117 patients using TB system (the TB group) were recruited. Among them, 35 patients used both modalities. The two groups’ clinical characteristics, incidences of infectious complications, and the time intervals to first PD‐related infection were compared. Results. Clinical characteristics, incidence of exit‐site infection (ESI), and time intervals to first ESI were similar in the TB and APD groups. The incidence of peritonitis in the APD group (1.22 episodes/100 patient‐months) was significantly (PRR 0.58, P=0.051). Conclusion. APD was found to have a lower peritonitis rate than the TB system. Since reducing the peritonitis rate helps to maintain technical survival during PD, from this viewpoint, APD may be preferred for patients undergoing PD, unless contraindicated.