To explore the clinical effect of nursing intervention based on the Omaha system combined with the Knowledge-Attitude-Practice theory on patients with enterostomy to prevent parastomal hernia.

A prospective randomized controlled trial was conducted. Sixty patients with enterostomy were randomly selected from those treated at Taiyuan Central Hospital between January 2022 and December 2025 and enrolled. The patients were grouped using the random number table method. The control group (n=30) received routine care, while the experimental group (n=30) received the nursing intervention model based on the Omaha system combined with the Knowledge-Attitude-Practice theory. The intervention effects of the two groups were compared.

Six months after the intervention, the scores of self-care ability of the stoma, the mastery of stoma-related knowledge, and the quality of life of the patients in the experimental group were all higher than those in the control group, and the incidence of parastomal hernia was lower than that in the control group (P<0.05).

The nursing intervention based on the Omaha system combined with the Knowledge-Attitude-Practice theory may improve the self-care ability and disease-related knowledge level of patients with enterostomy, reduce the occurrence of parastomal hernia, and improve their quality of life.