• Therapeutic Science for Rehabilitation
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• v.11 no.4
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• pp.7-22
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• 2022

Objective : This study aims to provide clinical evidence by systematically reviewing domestic CO-OP intervention studies. Methods : 13 papers suitable for selection criteria were finally selected and conducted. The analysis was divided into general characteristics and qualitative levels. Results : As a result of analyzing the contents of study, research has been conducted continuously since 2015, and the level of evidence for CO-OP intervention study was mainly single subject design. The subjects of the study were applied to both children and adults, and as the target activity areas of CO-OP intervention, children were shown to be play and leisure, and adults were instrumental daily living. COPM/PQRS were frequently used for evaluation to examine effectiveness of interventions. For domain specific strategies, children used body position, attention to doing, task specification, and verbal motor mnemonic. For adults, body position, attention to doing, task specification, and feeling to movement, verbal motor mnemonic, verbal rote script were used. Conclusion : It was found that CO-OP intervention is continuously being applied in occupational therapy, and age and diagnosis group are expanding. It is significant in that it provided evidence for implementing CO-OP interventions in clinical practice through a systematic review of domestic CO-OP intervention studies.

• Korean Journal of Radiology
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• v.21 no.8
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• pp.987-997
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• 2020

Objective: Measurement of the liver and spleen volumes has clinical implications. Although computed tomography (CT) volumetry is considered to be the most reliable noninvasive method for liver and spleen volume measurement, it has limited application in clinical practice due to its time-consuming segmentation process. We aimed to develop and validate a deep learning algorithm (DLA) for fully automated liver and spleen segmentation using portal venous phase CT images in various liver conditions. Materials and Methods: A DLA for liver and spleen segmentation was trained using a development dataset of portal venous CT images from 813 patients. Performance of the DLA was evaluated in two separate test datasets: dataset-1 which included 150 CT examinations in patients with various liver conditions (i.e., healthy liver, fatty liver, chronic liver disease, cirrhosis, and post-hepatectomy) and dataset-2 which included 50 pairs of CT examinations performed at ours and other institutions. The performance of the DLA was evaluated using the dice similarity score (DSS) for segmentation and Bland-Altman 95% limits of agreement (LOA) for measurement of the volumetric indices, which was compared with that of ground truth manual segmentation. Results: In test dataset-1, the DLA achieved a mean DSS of 0.973 and 0.974 for liver and spleen segmentation, respectively, with no significant difference in DSS across different liver conditions (p = 0.60 and 0.26 for the liver and spleen, respectively). For the measurement of volumetric indices, the Bland-Altman 95% LOA was -0.17 ± 3.07% for liver volume and -0.56 ± 3.78% for spleen volume. In test dataset-2, DLA performance using CT images obtained at outside institutions and our institution was comparable for liver (DSS, 0.982 vs. 0.983; p = 0.28) and spleen (DSS, 0.969 vs. 0.968; p = 0.41) segmentation. Conclusion: The DLA enabled highly accurate segmentation and volume measurement of the liver and spleen using portal venous phase CT images of patients with various liver conditions.

• The Journal of the Korea Contents Association
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• v.18 no.4
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• pp.279-289
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• 2018

The purpose of this study is to define the implications for improving the performance confidence of nursing students. The study was conducted by surveying a target sample of nursing students. The following data were collected: students' knowledge regarding patient safety, performance confidence, and nursing professional value. The subjects were 309 junior and senior students in the department of nursing science in K University located in G and K province. The data was collected from October 15, 2017 to November 15, 2017. The collected data were analyzed with the SPSS 23.0K using descriptive statistics, t-test, One-Way ANOVA, and Pearson Correlation Coefficient. The study results were that the senior students showed a significantly higher level of knowledge about patient safety than did the junior students (t=3.69, p<.001). With the exceptions of two attributes, education regarding the patient safety and nursing professional value, all other characteristics were variables to a significant difference in performance confidence (p<.05). Moreover, all characteristics except for the school year were variables to a significant difference in nursing professional value (p<.05). A weak correlation was shown between the knowledge regarding patient safety and performance confidence (r=.148, p<.001). A moderate correlation was shown between nursing professional value and performance confidence (r=.456, p<.001). Reinforced education regarding patient safety is recommended to improve the nursing students' performance confidence for clinical practice.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.18 no.5
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• pp.626-635
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• 2017

This study aimed to identify the factors affecting confidence in performance of fundamental nursing skills in nursing students. Participants were 318 nursing students who haven't had clinical practice experiences to the point of data collection in two universities in B and U cities. Data were analyzed using t-test, ANOVA, Scheff? test, Pearson's correlation coefficients, and stepwise multiple regression. The mean scores of self-directed learning ability, satisfaction with practicum, and confidence in performance of fundamental nursing skills were $3.38{\pm}0.40$, $3.93{\pm}0.59$, and $3.40{\pm}0.61$, respectively. Correlations were found between confidence in performance of fundamental nursing skills and self-directed learning ability (r=.289, p<.001) and satisfaction with practicum (r=.353, p<.001), and between self-directed learning ability and satisfaction with practicum (r=.393, p<.001). Factors influencing the confidence in the performance of fundamental nursing skills were satisfaction with practicum (${\beta}=.24$, p<.001), self-directed learning ability (${\beta}=.15$, p=.010), and attitude to practicum participation (${\beta}=.13$, p=.027). These factors explained 15.6% of the variance in the participants' confidence in performance of fundamental nursing skills. Therefore, effective nursing educational programs need to be developed in order to foster confidence in the performance of fundamental nursing skills of nursing students by enhancing self-directed learning ability, satisfaction with practicum and active attitude to practicum participation.

• Science of Emotion and Sensibility
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• v.23 no.1
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• pp.79-88
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• 2020

The purpose of this study is to investigate the relationships between death recognition, terminal care stress, terminal care performance, and other influencing factors of terminal care performance in terminal care hospital nurses. Two hundred forty nurses working in 11 hospitals for the elderly located in G, N, C city were surveyed. They were asked to complete three questionnaires: one on death recognition, one on terminal care stress, and a final one on terminal care performance. The data collected were analyzed using descriptive statistics, Pearson's correlation, and stepwise regression using SAS 9.1. The findings suggest that the nurses' own mental and occupational stress was the cause of many difficulties in the practice of end-of-life care, where the nurse will often experience the death patients, which results in increased dysentery stress. There was a negative correlation between species stress and terminal care performance. Death recognition and terminal care stress were correlated with terminal care performance. The results suggest that the longer the clinical experience, the higher the quality of terminal care performance. Therefore, it is suggested that terminal care should be performed considering the longevity of the careers career and their death tendency. Further to this study, it is necessary to find out how to reduce stress and to evaluate other variables affecting the care of the patient.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.22 no.5
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• pp.229-240
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• 2021

The purpose of this study was to investigate the relationship between the awareness of patient safety and performance of patient safety activities among hospitalized patients, and to provide basic data for the development of programs to improve them. The subjects were 103 adult patients at a general hospital in D city. Data were collected from Feb. 22 to Mar. 12, 2021, using structured questionnaires to measure the awareness of patient safety and performance of patient safety activities. The mean (±standard deviation) scores of awareness of patient safety and performance of patient safety activities were 4.22±0.52 out of 5 and 3.35±0.48 out of 4, respectively. The awareness of patient safety varied significantly depending on patient safety education (t=4.85, p<.001). The performance of patient safety activities varied significantly depending on marital state (t=2.75, p=.007) and patient safety education (t=3.88, p<.001). There was a significant correlation between the awareness of patient safety and the performance of patient safety activities (r=.59, p<.001). It is thus necessary to promote the improvement of the patient safety culture by developing programs to improve awareness of patient safety and performance of patient safety activities in hospitalized patients and to apply them systematically in clinical practice.

• Physical Therapy Korea
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• v.15 no.3
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• pp.70-79
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• 2008

The aim of the study was to analyze the relationship between empowerment, job satisfaction, and organizational commitment among physical therapists. Currently, healthcare is changing very rapidly with developments in science and technology. In response to these rapid and uncontrollable changes, organizational members are often empowered. Through the empowerment process, feelings of powerlessness and frustration can be reduced and factors promoting work performance, such as job satisfaction and organizational commitment could be enhanced. One said this term popularly, there was a lack of study. There have been few studies on physical therapy administration. Data was collected from 352 therapists from many hospitals from February 1 to February 28, 2008, and analysis of variance, Pearson's correlation, etc., were performed. The results were as follows: Of all the characteristics of empowered subjects, gender (p<.05) and age were observed to be significantly different (p<.01). Educational background, working pattern, marriage status, and the period of duty were observed to be different among empowered therapists (p<.001). The degree of empowerment as perceived by therapists was 58.72. Empowerment was correlated with job satisfaction and organizational commitment (p<.01). The study on empowerment was significant from the aspect of strategies to increase work performance. To elucidate the optimal strategy to effectuate empowerment in clinical practice, we studied various aspects of empowerment. Further studies on the relationship between empowerment and organizational commitment are warranted.

• Journal of the Korean Society of Industry Convergence
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• v.25 no.3
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• pp.443-449
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• 2022

In this study, in order to improve the disadvantages of the environmental error of the infusion set that performs infusion therapy in the existing clinical practice and to maximize the user's convenience by miniaturizing the existing infusion pump system, the structure of the muscle pump of the human vein was imitated. As a double check valve method, a method for preventing the backflow of fluid and discharging a constant fluid in one direction by external pressure was proposed. The proposed bio-mimic muscle pump uses a check valve that controls the flow of fluid in one direction and a silicone tube with elasticity, and a chamber is constructed. A peristaltic pump for applying intermittent pressure to the tube chamber was constructed using a multi-cam structure roller. In order to verify the performance of the proposed pump, optimization was performed while changing the number of multi-cam rollers and adjusting the speed of the roller driving motor, and the reproducibility of the instantaneous discharge amount and the continuous discharge amount of the pump was compared and tested. The performance of the muscle pump proposed in this study was verified through experiments that it can inject up to 1L of fluid within 12 hours, and that it is possible to inject the fluid with an accuracy of ±0.1ml. Real-time monitoring of the fluid injection volume through the bio-mimic muscle pump proposed in this study not only increases the convenience of the administrator, but also provides a precise fluid administration environment to more patients at a low cost, and additionally applies bubble detection and occlusion detection technology If so, it is believed that a safer medical environment can be provided to patients.

• Journal of Audiology & Otology
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• v.25 no.4
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• pp.171-177
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• 2021

Background and Objectives: The purpose of the present study was to validate the performance and diagnostic efficacy of the Korean digits-in-noise (K-DIN) test in comparison to the Korean speech perception-in-noise (K-SPIN) test, which is the representative speech-in-noise test in clinical practice. Subjects and Methods: Twenty-seven subjects (15 normal-hearing and 12 hearing-impaired listeners) participated. The recorded Korean 0-9 digits were used to form quasirandom digit triplets; 50 target digit triplets were presented at the most comfortable level of each subject while presenting speech-shaped background noise at various levels of signal-to-noise ratios (-12.5, -10, -5, or +5 dB). Subjects were then instructed to listen to both target and noise masker unilaterally and bilaterally through a headphone. K-SPIN test was also conducted using the same procedure as the K-DIN. After calculating their percent correct responses, K-DIN and K-SPIN results were compared using a Pearson-correlation test. Results: Results showed a statistically significant correlation between K-DIN and K-SPIN in all hearing conditions (left: r=0.814, p<0.001; right: r=0.788, p<0.001; bilateral: r=0.727, p<0.001). Moreover, the K-DIN test achieved better testing efficacy, shorter average listening time (5 min vs. 30 min), and easier performance of task according to participants' qualitative reports than the K-SPIN test. Conclusions: In this study, the Korean version of digit triplet test was validated in both normal-hearing and hearing-impaired listeners. The findings suggest that the K-DIN test can be used as a simple and time-efficient hearing-in-noise test in audiology clinics in Korea.

• Korean Journal of Audiology
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• v.25 no.4
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• pp.171-177
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• 2021

Background and Objectives: The purpose of the present study was to validate the performance and diagnostic efficacy of the Korean digits-in-noise (K-DIN) test in comparison to the Korean speech perception-in-noise (K-SPIN) test, which is the representative speech-in-noise test in clinical practice. Subjects and Methods: Twenty-seven subjects (15 normal-hearing and 12 hearing-impaired listeners) participated. The recorded Korean 0-9 digits were used to form quasirandom digit triplets; 50 target digit triplets were presented at the most comfortable level of each subject while presenting speech-shaped background noise at various levels of signal-to-noise ratios (-12.5, -10, -5, or +5 dB). Subjects were then instructed to listen to both target and noise masker unilaterally and bilaterally through a headphone. K-SPIN test was also conducted using the same procedure as the K-DIN. After calculating their percent correct responses, K-DIN and K-SPIN results were compared using a Pearson-correlation test. Results: Results showed a statistically significant correlation between K-DIN and K-SPIN in all hearing conditions (left: r=0.814, p<0.001; right: r=0.788, p<0.001; bilateral: r=0.727, p<0.001). Moreover, the K-DIN test achieved better testing efficacy, shorter average listening time (5 min vs. 30 min), and easier performance of task according to participants' qualitative reports than the K-SPIN test. Conclusions: In this study, the Korean version of digit triplet test was validated in both normal-hearing and hearing-impaired listeners. The findings suggest that the K-DIN test can be used as a simple and time-efficient hearing-in-noise test in audiology clinics in Korea.