Abstract: Objective To explore the effects of case management based on Omaha system model on peritoneal dialysis (PD)-related peritonitis in PD patients. Methods We used the random number table method to enrolled 210 PD patients who met the inclusion criteria and were treated in Nephrology Department of the First Affiliated Hospital, Guangxi Medical University. A total of 103 patients in intervention group and control group finally completed the study. Patients in control group received routine nursing care, and those in intervention group accepted the case management based on Omaha system in addition to routine nursing care. Their“Quality check dimension of PD-related peritonitis prevention”scores, incidence and cause of PD-related peritonitis were compared between the two groups before the intervention and after the intervention for one year. Results There was no statistical differences in baseline information and“Quality check dimension of PD-related peritonitis prevention”scores, which included personal hygiene (t=-0.213, P=0.832), operating environment(t=-0.278, P=0.781), quality of products (t=0.543, P=0.588), operation process (t=0.113, P=0.910), orifice and tunnel conditions (t=0.223, P=0.824), ductal preservation (t=0.155, P=0.877), operator condition (t=-0.102, P=0.919), concurrent infection (t=-0.213, P=0.832), nutritional status (t=-0.486, P=0.627), problemfinding promptness (t=0.060, P=0.952), and review frequency and re-training (t=0.221, P=0.825). In intervention group after the intervention for one yeaar, the“Quality check dimension of PD-related peritonitis prevention”scores increased significantly in all dimensions, including personal hygiene (t=6.817, P＜0.001), operating environment (t=4.293, P＜0.001), quality of products (t=5.797, P＜0.001), operation process (t=7.046, P＜0.001), orifice and tunnel conditions (t=4.791, P＜0.001), ductal preservation (t=3.566，P＜0.001), operator condition (t=16.356, P＜0.001), concurrent infection (t=3.238, P=0.001), nutritional status (t=6.727, P＜0.001), problem- finding promptness (t=2.680, P=0.008), review frequency and re- training (t=6.628, P＜0.001)], and decrease of PD- related peritonitis (χ2=30.171, P＜0.001) as compared with those in control group. Conclusion The case management based on Omaha system model can enhance the aseptic consciousness of PD patients, standardize liquid exchange operation, and reduce the incidence of PD-related peritonitis.

Key words: Case management, Omaha system, Peritoneal dialysis, Peritonitis