• Journal of Korean Public Health Nursing
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• v.32 no.3
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• pp.438-450
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• 2018

Purpose: The purpose of this study was to compare the differences in fatigue, sleep quality and interpersonal relationship stress levels between nurses in comprehensive nursing care wards and in general wards. Methods: Data were collected using self-reported structured questionnaire from 14 August to 17 September 2018. The participants were 220 nurses from 6 hospitals in Seoul and Gyeonggi-do. The data were analyzed using the IBM SPSS 23.0 program, descriptive statistics, t-test, ${\chi}^2-test$, Fisher's exact test, and Pearson's correlation coefficient. Results: The subjects' fatigue, sleep quality, and interpersonal relationship stress were not significantly different between the comprehensive nursing care services wards and the general wards. The interpersonal stress with a superior was statistically higher among general wards than comprehensive nursing care services wards. The relationship stress between patient and caregiver was higher in comprehensive nursing care services wards than in general wards. Conclusion: A follow-up study is needed to develop a strategic method to reduce interpersonal stress in nurses.

• Journal of muscle and joint health
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• v.28 no.2
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• pp.111-120
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• 2021

Purpose: This study was a descriptive research to identify the relationships among burden from behavioral psychological symptoms of dementia, dementia attitude, emotional labor and nurse's caring behavior as well as to clarify factors that affect caring behavior of nurses in long-term care hospital. Methods: For the research, this study collected data from July 8 to July 20, in 2019 with 214 nurses who worked at 10 long-term care hospitals in Chungbuk. The data were analyzed using descriptive statistics, t-tests, Mann-Whitney U test, ANOVA, Pearson's correlation coefficient, stepwise multiple regression with the SPSS 23.0 program. Results: Factors influencing caring behavior of nurses in long-term care hospital were dementia attitudes (β=.549, p<.001), burden from behavioral psychological symptoms of dementia (β=.242, p<.001) and marital status (β=.134, p=.017). These factors explained 33.9% of caring behavior (F=37.35, p<.001). Conclusion: Dementia attitudes were confirmed to be the main variable influencing nurse's caring behavior. Therefore, to improve the caring behavior of dementia patient, it is considered that the development of programs to improve dementia attitudes and in-depth understanding regarding the behavioral and psychological symptoms of dementia is necessary.

• Korean Journal of Clinical Pharmacy
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• v.32 no.4
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• pp.313-320
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• 2022

Background: Serotonin syndrome is a life-threatening disease if not appropriately treated. This study aimed to investigate the prescription status of contraindicated drug combinations that cause serotonin syndrome and identify the related factors. Methods: A cross-sectional study was conducted using nationwide claims data. Adult patients taking serotonergic drugs with Parkinson's disease or mental disorders were selected. Based on international medical databases (MDBs) and the Korean Drug Utilization Review (DUR), the status of prescribing contraindicated drug combinations that induce serotonin syndrome, the related factors, and the difference between international MDBs and the Korean DUR were analyzed. Results: Of the 49,773 study subjects, 163 (0.3%) were prescribed contraindicated serotonergic drug combinations based on international MDBs, and among them, only 105 (64.4%) were contraindicated by the Korean DUR. Positive influencing factors for prescribing contraindicated drug combinations include patient age between 65 and 74 and physician's specialties (neurologists, and orthopedists). Negative influencing factors were physician's specialty (internists) and medical institution (primary institutions). Conclusion: Despite the implementation of DUR, 3 out of 1,000 study subjects received contraindicated drug combinations that caused serotonin syndrome. Hence, it is necessary to comply with the DUR and improve it in accordance with international MDBs.

• Radiation Oncology Journal
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• v.8 no.1
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• pp.103-109
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• 1990

A computerized system for database of radiotherapy Patient and for its application was developed in 1987 and has been utilized till now. A radiotherapy Planning computer (Eclipse S-140) operated under AOS (Advanced Operating System) is the main processing unit of the system which was programmed with Fortran-5. Records of 30,000 patients can be separately registered and data of 5 courses of radiotherapy delivered to one patient can be separately registered but structurally linked together. The same environment is allowed for 60 follow-up data. Our system's utility is very convenient to use and provides simple or conditional list of records or items, periodic statistics concerning many parameters and survival or complication analysis of stored database or data manually put in. Structure, operation and several retrieval formats by data processings are reported.

• Journal of Yeungnam Medical Science
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• v.18 no.1
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• pp.39-50
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• 2001

Background: Power spectrum analysis method is a powerful noninvasive tool for quantifying autonomic nervous system activity. In this paper, we developed a data acquistion system for estimating the activity of the autonomic nervous system by the analysis of heart rate and respiratory rate variability using power spectrum analysis. Materials and methods: For the detection of QRS peak and measurement of respiratory rate from patient's ECG, we used low-pass filter and impedence method respectively. This system adopt an isolated power for patient's safety. In this system, two output signals can be obtained: R-R interval heart rate) and respiration rate time series. Experimental ranges are 30-240 BPM for ECG and 15-80 BPM for respiration. Results: The system can acquire two signals accurately both in the experimental test using simulator and in real clinical setting. Conclusion: The system developed in this paper is efficient for the acquisition of heart rate and respiration signals. This system will play a role in research area for improving our understanding of the pathophysiologic involvement of the autonomic nervous system in various disease states.

• The Journal of Korea Institute of Information, Electronics, and Communication Technology
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• v.16 no.6
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• pp.526-532
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• 2023

Falls are fatal accidents that occur more than 420,000 times a year worldwide. Therefore, to study patients with falls, we found the association between extrinsic injury codes and principal diagnosis S-codes of patients with falls, and developed a prediction model to predict extrinsic injury codes based on the data of principal diagnosis S-codes of patients with falls. In this study, we received two years of data from 2020 and 2021 from Institution A, located in Gangneung City, Gangwon Special Self-Governing Province, and extracted only the data from W00 to W19 of the extrinsic injury codes related to falls, and developed a prediction model using W01, W10, W13, and W18 of the extrinsic injury codes of falls, which had enough principal diagnosis S-codes to develop a prediction model. 80% of the data were categorized as training data and 20% as testing data. The model was developed using MLP (Multi-Layer Perceptron) with 6 variables (gender, age, principal diagnosis S-code, surgery, hospitalization, and alcohol consumption) in the input layer, 2 hidden layers with 64 nodes, and an output layer with 4 nodes for W01, W10, W13, and W18 exogenous damage codes using the softmax activation function. As a result of the training, the first training had an accuracy of 31.2%, but the 30th training had an accuracy of 87.5%, which confirmed the association between the fall extrinsic code and the main diagnosis S code of the fall patient.

• Journal of Korean Academy of Nursing Administration
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• v.7 no.2
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• pp.237-251
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• 2001

It is important for nursing managers to understand the lived experience of nursing care for dying patients in clinical nurses for the effective management of them. The purpose of this Phenomenological study was to explore the lived experience of nursing care for the dying patients in clinical nurses and identify the meaning and structure of their lived experience. This study was conducted from 1 of June, 2000 to 1 of November, 2000. Data were collected with several in-depth interviews until data were fully saturated, from 1 of June, 2000 to 10 of September, 2000. The Subjects were five nurses who had more than three-year job experience in caring for dying patients, three protestant christians and two atheists, one married and four unmarried persons. The range of their age was from 28 to 36. Data were analysed by the Colaizzi's methodology. Ten themes were extracted from fifty-one fomulated-meanings. Fomulated-meanings were extracted from the restatements and the significant-statements which were deriven from the raw data. Finally ten themes took form of five structures. Five structures of 'The lived experience of nursing care for the dying patients in clinical nurses' were : 1. Experiencing guilty feeling and anger due to their and other's manneristic and ignored attitude toward dying patients 2. Feeling heartily the necessity of the education of hospice care because of their incompetence due to lack of knowledge of hospice care 3. Recognizing the human rights of dying patient's thinking themselves and their families 4. Felling satisfaction with their nursing accomplishments and reflecting their life through nursing care of the dying patients 5. Experiencing low self-respect due to the other's negative perspective toward their job The results of the study would give useful information to nursing managers to understand the lived experience of nursing care for dying patients in clinical nurses and establish adequate strategies to support them.

• Korea Journal of Hospital Management
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• v.8 no.3
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• pp.143-160
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• 2003

Due to the dramatic and situational change in medical industry, it has became very important to keep existing patients and to attract new patients by monitoring the medical consumer's expectation and various needs and ensuring the patients' satisfaction. This study regards the patients' satisfaction as the final object of medical service. So the object of this study is to provide useful data for the decision making and medical service marketing by exploring the problems generated by the cognition difference for the medical service between inpatients and outpatients, by responding for the problems and by examining the relationship between the satisfaction with the medical service and revisiting. To achieve the object of this study, literature research and empirical analysis were used. I establish the research model based on the existing service marketing and some hypotheses were chosen for the empirical analysis. As a result of empirical analysis for the five hypotheses, two hypotheses were chosen. First, there was cognition difference about accessibility and convenience between inpatient and outpatient. I guess that the satisfaction degree of inpatient is higher than the outpatient because the inpatient has the reliability for the hospital and determines the hospitalization or emergent coming to hospital. Second, the fifth hypothesis, "the satisfaction of patient will influence the revisiting." was chosen. The hypothesis is not only coincident with existing scholars and studies but also it provides the meaningful points for medical service marketing. The result shows that the parties concerned with hospital management should endeavor for the patient satisfaction in medical service, and that hospital management should be medical consumer centered. To measure the quality of medical service, the cognition differences for accessibility, convenience, physical environment, and human service were evaluated and the result shows that the cognition difference for the accessibility and convenience was outstanding. The analysis shows that there was cognition difference in the four categories among six subcategories in the human service -- the attitude of medical technologist, the attitude of doctor, the length of time for doctor's diagnosis for the patient and doctor's explanation. Therefore, I think that further study is required for the cause analysis for service categories which have cognition difference between inpatient and outpatient. I think the result will be very useful. Through this study, the relationship between patient satisfaction with the medical service and revisiting was verified. And it suggests that, to face the changing medical environment actively and to improve the quality of medical service, marketing strategy should be focused not on medical service providers but on medical service consumers and that the further studies for the medical consumer should be continued.

• Health Policy and Management
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• v.14 no.3
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• pp.66-96
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• 2004

This study was intended to describe the hypertensive patient's lifestyle and quality of life by creating a hypothetic model on the lifestyle and quality of life and by examining a causeand effect relationship, and to contribute to countermeasures for practicing their lifestyle and improving the quality of life through creating a predictable model. Exogenous variable($\xi$) of hypothetic model in this study composed of a family support, hypertension knowledge, perceived benefit and toughness. Endogenous variable($\eta$) composed of self-esteem, perceived health state, depression, lifestyle and quality of life. There were 6 measured variables for exogenous variable(x). There were 9 measured variables(y) for endogenous variable. Also, there was error variable ($\delta,\;\epsilon$) of an individual. The survey was conducted for 207 hypertensive parents who received an out-patient service for 3 weeks from September 15, 2003 to October 3, 2003 after diagnosing as hypertension from 2 general hospitals in Daegu. As the conformance of hypothetic model in this study, there were $x^2$= 155.81, standard $x^2$ ($x^2$/df)=2.32, GFI=0.003, NFI=0.971, CFI=0.982, and RMSEA=0.080. Generally, the hypothetic model and actual data were well coincided. The higher the hypertension knowledge was(t=6.030), the higher the perceived benefit was(t=9.429), the higher the toughness was(t=2.783), and the higher the perceived health state was(t=2.282), the higher the lifestyle was. However, the degree of depression (t=-0.038), family support(t=1.161), and self-esteem(t=0.518) was not affected. The higher the family support was(t=10.476), the higher the self-esteem was(t=7.244), the higher the perceived health state was(t=6.996), the lower the degree of depression was(t=-2.044), and the higher the practice degree of lifestyle was(t=3.315), the higher the quality of life was. However, the toughness(t=1.672) didn't have a significant influence on the quality of life. It was modified to increase the model conformance and gain a conscious model As the result of model revision, for the model conformance, there were $x^2$= 118.43, standard $x^2$=1.69, GFI=0.923, NFI=0.976, CFI=0.982, and RMSEA=0.078. As the revised model showed the better conformance than hypothetic model, it seemed to be more suitable model. In the revised model, the perceived benefit(t=9.440) affected the lifestyle in the revised model. Then, the lifestyle was influenced by hypertension knowledge(t=6.139), toughness (t=2.757), family support(t=2.078), perceived health state(t=1.962) in the order. As a factor which affected the quality of life, there were the family support(t=l0.46l), self-esteem(t=7.368), perceived health state(t=6.989), lifestyle(t=3.316), toughness(t=2.584), and depression(t=-1.968) in the order. It showed the significant effect.

• Journal of Radiation Protection and Research
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• v.25 no.4
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• pp.191-195
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• 2000

This study was undertaken to estimate the exposed dose of the medical personnel during the intracoronary radiotherapy procedure as a part of ongoing SPARE (Seoul National University Hospital Post-Angioplasty Rhenium) trial. Data of thirty-four patients among forty-two irradiated patients participating in this trial due to coronary artery stenosis were retrospectively analyzed. Intracoronary radiotherapy was delivered to the patient immediately after angioplasty ballooning. Prescribed dose was 17 Gy to media of the diseased artery and was delivered with $^{188}Re$ filled balloon catheter. Dosimetry was carried out with GM counter at eight different points. Ten centimeter and forty centimeter from the patient's heart were selected to represent maximum and whole-body exposed dose of the operator, respectively. Median delivered dose was 111.6 mCi with average treatment time of 576 seconds. Average exposed dose rate at 10 cm and 40 cm from the patient's heart were 0.43 mSv/hr and 0.30 mSv/hr, respectively. Average exposed doses per treatment were 0.07 mSv and 0.05 mSv for 10 cm and 40 cm from the patient's heart, respectively. Exposed doses measured are much lower than recommended limit of 50 mSv for radiation workers or 1 mSv for general population in ICRP-60. This study proves that current method of intracoronary radiotherapy incorporated in this trial is very safe regarding radiation protection.