Objective To investigate the effects of 4C intervention mode on self-efficacy, psychological state and readmission rate of elderly patients after percutaneous coronary intervention (PCI).

Methods A total of 54 patients who underwent PCI before the implementation of 4C intervention mode (from January 2020 to February 2021) were selected as control group. After the implementation of 4C intervention mode (from March 2021 to March 2022), 54 patients were selected as observation group. During the follow-up period, 1 case was lost to follow-up in the observation group, and 53 cases were eventually included. The control group was given routine nursing, and the observation group was given routine nursing combined with 4C intervention mode nursing. The self-efficacy General Self-efficacy Scale (GSES), psychological state Huaxi Emotion-distress Index (HEI) questionnaireand self-care ability Activities of Daily Living Scale (ADL) were compared between the two groups at the time of discharge and follow-up for 3 months. The incidence of postoperative adverse events and readmission rate of the two groups were recorded.

Results The GSES scores and ADL scores of two groups were significantly higher at 3 months of follow-up than at discharge (P < 0.05). After 3 months of follow-up, GSES scores and ADL scores in the observation group were significantly higher than those in the control group (P < 0.05); compared with the control group, the severity of HEI mood disorder in the observation group was significantly improved (P < 0.05). There was no significant difference in the incidence of postoperative adverse events between the two groups (P>0.05). During the follow-up period, the readmission rate of the observation group was 1.89%, which was significantly lower than 16.67% of the control group (P < 0.05).

Conclusion The 4C intervention mode can effectively improve the self-efficacy, psychological state and daily living ability of elderly patients after PCI, and reduce the rate of postoperative readmission.