The aim of this study was to examine the effect of phase I cardiac rehabilitation program (CRP) on physical capacity in patients with coronary artery bypass graft (CABG). Eighty seven patients who underwent CABG in our hospital were enrolled on the study. Among them, excluding 17 during the study, the results of 70 patients were included in the final data. Subjects were classified into two groups according to the participation in the phase I CRP; participation group (n=35) and non-participation group (n=35). The CR was executed for the participation group until patients' discharge. The variables including resting heart rate (RHR), oxygen saturation, walking distance in 6 minutes, and forced expiration amount were measured at initial phase, discharge and follow-up at 1 month after discharge. From the data, descriptive statistics (mean, standard deviation) were calculated, and differences in each variable before, during, after the treatment and between groups were tested using repeated measure analysis of variance using SPSS ver. 18.0 statistics program for Window. For the effects and results with a statistical significance, post-hoc test was made using t-test. There was statistically significant difference (p＜0.05) in the RHR and the walking distance in 6 minutes. While there was no significant difference in the oxygen saturation and the maximum expiration amount. As conclusion, the Phase I CRP after CABG showed a effect on the significant improvement of physical capacity by decreasing the RHR and increasing the walking distance in 6 minutes, exerting a positive influence on the recovery after the CABG operation.

Purpose: This study aimed to investigate the level of physical functional ability in patients with heart failure and to suggest the correlation between cognitive level and instrumental daily activity level with physical function ability. Methods: The study included individuals who were diagnosed with heart failure and those who were not diagnosed with stroke. Among 66 patients who were tested for weakness at S Hospital located in Gyeonggi-do from June 2021 to April 2022, data from 56 patients were selected and analyzed. Results: In the correlation between MMSE-K and SPPB, balance (r = .381, p < .01), gait speed (r = .368, p < .01), chair stand (r = .245, p >.05), and total score (r = .387, p < .01) showed a positive correlation except for the chair stand. In the correlation between K-IADL and SPPB, balance (r = −.532, p < .01), gait speed (r = −.644, p < .01), chair stand (r = −.391, p < .01), and total score (r = −.600, p < .01) showed a negative correlation. The higher the simple physical function, the higher the cognitive level and the lower the level of need for help in the level of instrumental daily activities. Conclusion: A correlation was found between the level of physical function and the level of cognitive and instrumental daily activities in patients with heart failure; thus, its evaluation is essential.

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