Purpose: The aim of this study was to compare the effect of training and implementation of a pediatric peripheral intravenous infusion protocol on the nurses' performance and infusion complication rate. Methods: A quasiexperimental study using a posttest comparison of a one group pretest-time series design was utilized. This method was developed to measure nursing knowledge and performance based on a pediatric peripheral intravenous infusion protocol. To calculate the occurrence rate of complications, the number of complications were divided into the number of intravenous insertions. Results: It was shown that the training developed by the study team in 2015 contributed to nurses' increased knowledge, as well as improved job performance. Furthermore, the implementation of the protocol revealed that the number of peripheral intravenous insertions, an invasive procedure, decreased. Additionally, the nursing workload related to pediatric intravenous infusions was reduced. Conclusion: This protocol may contribute to the improved scientific quality and efficiency of nursing management of peripheral intravenous infusions.

Purpose: This study aims to report on and compare the conditions of practicing nurses and nursing graduates in Korea and other OECD countries to suggest policy to improve nurse staffing in Korea. Methods: Data on nurses and nursing graduates from 34 OECD countries in 2015 (or the nearest year) were analyzed. The proportion of practicing nurses among nurses who were licensed to practice and nursing graduates per population and per the number of practicing nurses were examined. Results: The number of practicing nurses per 1,000 population in Korea was 5.9 and, in Korea, only 31.0% of licensed nurses were practicing, whereas the OECD average was 69.5%. Korea had the highest number of nursing graduates (109.0) per 100,000 population and the highest number of nursing graduates (183.5) per 1,000 practicing nurses in the OECD countries. Skill-mix analysis indicated that 52.2% of the practicing nurses in Korea were professional practicing nurses, which was the second-lowest among the OECD countries. The ratio of nurses' wages to those of physician specialists was 0.43 in the OECD countries. Conclusion: Nurse staffing and skill-mix in Korea were very low in comparison to other OECD countries. Policies for retention of nurses via improved working conditions are required.

Purpose: Breathing can be controlled either unconsciously or consciously. In Asian countries, various conscious breathing-control techniques have been practiced for many years to promote health and wellbeing. However, the exact mechanism underlying these techniques has not yet been established. The purpose of this study is to explore the physiological mechanism explaining how conscious breathing control could affect the autonomic nervous system, brain activity, and mental changes. Methods: The coupling phenomenon among breathing rhythm, heart rate variability, and brain waves was explored theoretically based on the research hypothesis and a review of the literature. Results: Respiratory sinus arrhythmia is a well-known phenomenon in which heart rate changes to become synchronized with breathing: inhalation increases heart rate and exhalation decreases it. HRV BFB training depends on conscious breathing control. During coherent sinusoidal heart rate changes, brain ${\alpha}$ waves could be enhanced. An increase in ${\alpha}$ waves was also found and the synchronicity between heart beat rhythm and brain wave became strengthened during meditation. Conclusion: In addition to the effect of emotion on breathing patterns, conscious breathing could change heart beat rhythms and brainwaves, and subsequently affect emotional status.

Purpose: This study aims to identify the factors that affect the expected frequency of performance and the importance in nursing practice of total care service recognized by nursing college students. Methods: This is a descriptive study. A self-administered questionnaire survey was conducted on 288 nursing students of E university and data was collected and analyzed using the SPSS program. Results: The average scores for the expected frequency of performance and the importance in nursing practice of total care service were $4.07{\pm}0.58$ and $4.00{\pm}0.50$ respectively. The expected frequency of performance was found to have a significantly positive correlation with the importance in nursing practice. Additionally, the factors that influenced the degree of recognition in the expected frequency of performance and the importance in nursing practice of total care service among nursing students were comfortable care and respiratory care, respectively. Conclusion: The major finding of this study shows a significantly positive correlation between the expected frequency of performance and the importance in nursing practice. These results suggest that effective and systematic education is needed on factors affecting the expected frequency of performance and the importance in nursing practice for nursing college students.

Purpose: This study was performed to identify levels of clinical practice stress and coping strategies according to the personality/behavior types of nursing students. Methods: The subjects of this study were 143 third- and fourth-grade nursing students in 14 nursing colleges who had experienced clinical practice. The questionnaire consisted of instruments to identify Dominance, Influence, Steadiness, and Conscientiousness (DISC) personality/behavior types, clinical stress, and stress coping strategies. The data were analyzed using Cronbach's ${\alpha}$, descriptive statistics, and ANOVA, using the SPSS 24.0 program. Results: The DISC pattern showed high priority in Steadiness (48.3%), followed by Conscientiousness (21.0%), Influence (16.1%), and Dominance (14.7%), in that order. The steadiness type showed the lowest level of stress among four patterns. Conclusion: This study found that the personality/behavior types of nursing students differ. Additionally, different personality/behavior types can be attributed to stress levels and stress coping behaviors. Based on these results, different personality and behavior types of nursing students should be considered to manage their stress levels related to the clinical practicum experience.