Key result
A nursing care program based on Johnson's behavioral model significantly improved the restorative subsystem and other behavioral subsystems in patients undergoing coronary artery bypass graft compared to routine care.
Why the study?
Coronary artery bypass graft is an important intervention to relieve angina and improve outcomes, but the effect of a nursing care program based on Johnson's model on patients' behavioral systems needed evaluation.
Does a nursing care program based on Johnson's model improve behavioral systems in patients undergoing CABG?
RCT (n=128)
Single-blind
Block randomization (block sizes of four, six, and eight)
Yes
Does a nursing care program based on Johnson's model improve behavioral systems in patients undergoing CABG?
Implementing a nursing care program based on Johnson's model positively affected the behavioral systems of patients undergoing CABG.
Answers are grounded in this paper and cite their sources.
Supports integration of Johnson's model-based nursing into CABG care; extends behavioral systems evidence to cardiac surgical recovery.
BACKGROUND: Coronary artery bypass graft (CABG) is a very important intervention to relieve angina, improve quality of life, or increase life expectancy. This study aimed to determine the effect of implementing a nursing care program based on Johnson's model on the behavioral systems of patients undergoing CABG in Ahvaz teaching hospitals in 2022. METHODS: This is a clinical trial that was conducted from December 2022 to December 2023 on 128 patients undergoing CABG admitted to the cardiac ICU and cardiac surgery department of teaching hospitals in Ahvaz, Iran. The patients were selected based on the inclusion criteria, and they were assigned into intervention and control groups using permutation blocks. In the intervention group, a nursing care program based on Johnson's model was implemented for three weeks. The data collection tool was a researcher-made questionnaire developed based on Johnson's theory. A significance level of α = 0.05 was adopted for this study. RESULTS: Before the intervention, the mean scores of the intervention group in terms of the six subsystems of Johnson's model were as follows: achievement (-98.98 ± 75.77), eliminative (-25.46 ± 33.27), ingestive (-135.67 ± 89.20), dependency (-122.26 ± 45.85), aggressive-protective (-62.18 ± 46.58), and restorative (-163.59 ± 62.03). After the intervention, the mean scores in the intervention group were as follows: achievement (-2.50 ± 71.55), eliminative (19.29 ± 35.61), ingestive (152.75 ± 113.58, dependency (104.60 ± 53.42), aggressive-protective (52.18 ± 53.54), and restorative (198.43 ± 72.28), which shows the positive impact of the intervention (P > 0.05). No significant changes were observed in the affiliative and sexual subsystems. CONCLUSION: The implementation of a nursing care plan based on Johnson's model positively affected the behavioral systems of patients undergoing CABG. Therefore, this model is recommended to be used as a framework for nursing care. TRIAL REGISTRATION NUMBER: IRCT20220831055838N1.
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Rostami et al. (2025) conducted an RCT in Coronary artery bypass graft (CABG) (n=128). Nursing care program based on Johnson's model vs. Routine care was evaluated on Restorative subsystem score (p=<0.0001). A nursing care program based on Johnson's behavioral model significantly improved the restorative subsystem and other behavioral subsystems in patients undergoing coronary artery bypass graft compared to routine care.
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