This study aims to understand the impact of social support on depression, perceived by breast cancer patients. This study is a descriptive correlation study attempted to provide with basic data for a nursing intervention program using a social support system to reduce breast cancer patients' depression. The subjects of this study were 75 persons who did not have another disease or cancer, of the patients who had been diagnosed with breast cancer and had surgery. Prior to the execution of the research, approval was obtained from the Medical Research Council. As for data analysis method, using SPSS statistical program, frequency, percentage, mean, standard deviation, Pearson correlation, t-test, ANOVA and simple linear regression were analyzed. There was a negative (-) correlation between breast cancer patients' depression and family support at r=.436 (p=.000). In other words, this can be interpreted that the higher their family support, the lower their depression becomes. As a result of an analysis of depression and family support with a statistically significant difference by simple linear regression, family support is a significant predictive factor of breast cancer patients' depression, which can explain 19% of depression. This suggests that family support should be related to breast cancer patients' depression, so it may be considered an important variable in a developing nursing intervention program.

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This study aims to verify the effect of a nursing intervention of the provision of video information on subjects' delirium and anxiety. It is a quasiexperimental study with a nonequivalent control group non-synchronized design. The subjects are patients who plan to be hospitalized in an intensive care unit for open heart surgery, 25 people in an experimental group and 25 people in a control group. Delirium measurement tool, CAM-ICU was used, and anxiety measurement tool, STAI was also. Using SPSS 21.0 program, analyses were conducted with x 2-test, Fisher's exact test and t-test. In the occurrence of delirium, there was no statistically significant difference (t=1.50, p=.260). However, in the reduction of anxiety, there was a statistically significant difference (t=2.27, p= .028). Nursing intervention of the provision of video information can be applied as an effective nursing intervention for the reduction of anxiety in open heart surgery patients.